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1.
JAMA ; 328(18): 1849-1861, 2022 11 08.
Artigo em Inglês | MEDLINE | ID: mdl-36346411

RESUMO

Importance: Hypertension, defined as persistent systolic blood pressure (SBP) at least 130 mm Hg or diastolic BP (DBP) at least 80 mm Hg, affects approximately 116 million adults in the US and more than 1 billion adults worldwide. Hypertension is associated with increased risk of cardiovascular disease (CVD) events (coronary heart disease, heart failure, and stroke) and death. Observations: First-line therapy for hypertension is lifestyle modification, including weight loss, healthy dietary pattern that includes low sodium and high potassium intake, physical activity, and moderation or elimination of alcohol consumption. The BP-lowering effects of individual lifestyle components are partially additive and enhance the efficacy of pharmacologic therapy. The decision to initiate antihypertensive medication should be based on the level of BP and the presence of high atherosclerotic CVD risk. First-line drug therapy for hypertension consists of a thiazide or thiazidelike diuretic such as hydrochlorothiazide or chlorthalidone, an angiotensin-converting enzyme inhibitor or angiotensin receptor blocker such as enalapril or candesartan, and a calcium channel blocker such as amlodipine and should be titrated according to office and home SBP/DBP levels to achieve in most people an SBP/DBP target (<130/80 mm Hg for adults <65 years and SBP <130 mm Hg in adults ≥65 years). Randomized clinical trials have established the efficacy of BP lowering to reduce the risk of CVD morbidity and mortality. An SBP reduction of 10 mm Hg decreases risk of CVD events by approximately 20% to 30%. Despite the benefits of BP control, only 44% of US adults with hypertension have their SBP/DBP controlled to less than 140/90 mm Hg. Conclusions and Relevance: Hypertension affects approximately 116 million adults in the US and more than 1 billion adults worldwide and is a leading cause of CVD morbidity and mortality. First-line therapy for hypertension is lifestyle modification, consisting of weight loss, dietary sodium reduction and potassium supplementation, healthy dietary pattern, physical activity, and limited alcohol consumption. When drug therapy is required, first-line therapies are thiazide or thiazidelike diuretics, angiotensin-converting enzyme inhibitor or angiotensin receptor blockers, and calcium channel blockers.


Assuntos
Anti-Hipertensivos , Doenças Cardiovasculares , Hipertensão , Adulto , Humanos , Antagonistas de Receptores de Angiotensina/farmacologia , Antagonistas de Receptores de Angiotensina/uso terapêutico , Inibidores da Enzima Conversora de Angiotensina/farmacologia , Inibidores da Enzima Conversora de Angiotensina/uso terapêutico , Anti-Hipertensivos/farmacologia , Anti-Hipertensivos/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos , Bloqueadores dos Canais de Cálcio/uso terapêutico , Bloqueadores dos Canais de Cálcio/farmacologia , Doenças Cardiovasculares/etiologia , Doenças Cardiovasculares/prevenção & controle , Diuréticos/uso terapêutico , Hidroclorotiazida/uso terapêutico , Hipertensão/complicações , Hipertensão/tratamento farmacológico , Hipertensão/mortalidade , Hipertensão/terapia , Potássio/uso terapêutico , Redução de Peso
2.
PLoS Med ; 18(9): e1003803, 2021 09.
Artigo em Inglês | MEDLINE | ID: mdl-34543267

RESUMO

BACKGROUND: Hypertension treatment reduces morbidity and mortality yet has not been broadly implemented in many low-resource settings, including sub-Saharan Africa (SSA). We hypothesized that a patient-centered integrated chronic disease model that included hypertension treatment and leveraged the HIV care system would reduce mortality among adults with uncontrolled hypertension in rural Kenya and Uganda. METHODS AND FINDINGS: This is a secondary analysis of the SEARCH trial (NCT:01864603), in which 32 communities underwent baseline population-based multidisease testing, including hypertension screening, and were randomized to standard country-guided treatment or to a patient-centered integrated chronic care model including treatment for hypertension, diabetes, and HIV. Patient-centered care included on-site introduction to clinic staff at screening, nursing triage to expedite visits, reduced visit frequency, flexible clinic hours, and a welcoming clinic environment. The analytic population included nonpregnant adults (≥18 years) with baseline uncontrolled hypertension (blood pressure ≥140/90 mm Hg). The primary outcome was 3-year all-cause mortality with comprehensive population-level assessment. Secondary outcomes included hypertension control assessed at a population level at year 3 (defined per country guidelines as at least 1 blood pressure measure <140/90 mm Hg on 3 repeated measures). Between-arm comparisons used cluster-level targeted maximum likelihood estimation. Among 86,078 adults screened at study baseline (June 2013 to July 2014), 10,928 (13%) had uncontrolled hypertension. Median age was 53 years (25th to 75th percentile 40 to 66); 6,058 (55%) were female; 677 (6%) were HIV infected; and 477 (4%) had diabetes mellitus. Overall, 174 participants (3.2%) in the intervention group and 225 participants (4.1%) in the control group died during 3 years of follow-up (adjusted relative risk (aRR) 0.79, 95% confidence interval (CI) 0.64 to 0.97, p = 0.028). Among those with baseline grade 3 hypertension (≥180/110 mm Hg), 22 (4.9%) in the intervention group and 42 (7.9%) in the control group died during 3 years of follow-up (aRR 0.62, 95% CI 0.39 to 0.97, p = 0.038). Estimated population-level hypertension control at year 3 was 53% in intervention and 44% in control communities (aRR 1.22, 95% CI 1.12 to 1.33, p < 0.001). Study limitations include inability to identify specific causes of death and control conditions that exceeded current standard hypertension care. CONCLUSIONS: In this cluster randomized comparison where both arms received population-level hypertension screening, implementation of a patient-centered hypertension care model was associated with a 21% reduction in all-cause mortality and a 22% improvement in hypertension control compared to standard care among adults with baseline uncontrolled hypertension. Patient-centered chronic care programs for HIV can be leveraged to reduce the overall burden of cardiovascular mortality in SSA. TRIAL REGISTRATION: ClinicalTrials.gov NCT01864603.


Assuntos
Anti-Hipertensivos/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos , Serviços de Saúde Comunitária , Prestação Integrada de Cuidados de Saúde , Hipertensão/terapia , Assistência Centrada no Paciente , Adolescente , Adulto , Idoso , Fármacos Anti-HIV/uso terapêutico , Anti-Hipertensivos/efeitos adversos , Causas de Morte , Diabetes Mellitus/diagnóstico , Diabetes Mellitus/mortalidade , Diabetes Mellitus/terapia , Feminino , Infecções por HIV/diagnóstico , Infecções por HIV/mortalidade , Infecções por HIV/terapia , Humanos , Hipertensão/diagnóstico , Hipertensão/mortalidade , Hipertensão/fisiopatologia , Hipoglicemiantes/uso terapêutico , Quênia , Masculino , Programas de Rastreamento , Pessoa de Meia-Idade , Fatores de Tempo , Resultado do Tratamento , Uganda , Adulto Jovem
3.
Lipids Health Dis ; 20(1): 102, 2021 Sep 12.
Artigo em Inglês | MEDLINE | ID: mdl-34511125

RESUMO

BACKGROUND: Canola oil (Can) and several vegetable oils shorten the lifespan of stroke-prone spontaneously hypertensive rats (SHRSP). Although similar lifespan shortening has been reported for partially hydrogenated Can, the efficacy of fully hydrogenated oils on the lifespan remains unknown. The present study aimed to investigate the lifespan of SHRSP fed diets containing 10 % (w/w) of fully hydrogenated Can (FHCO) or other oils. METHODS: Survival test: Upon weaning, male SHRSP were fed a basal diet for rodents mixed with one of the test oils -i.e., FHCO, Can, lard (Lrd), and palm oil (Plm) throughout the experiment. The animals could freely access the diet and drinking water (water containing 1 % NaCl), and their body weight, food intake, and lifespan were recorded. Biochemical analysis test: Male SHRSP were fed a test diet with either FHCO, Can, or soybean oil (Soy) under the same condition, except to emphasize effects of fat, that no NaCl loading was applied. Soy was used as a fat source in the basal diet and was set the control group. Blood pressures was checked every 2 weeks, and serum fat levels and histological analyses of the brain and kidney were examined after 7 or 12 weeks of feeding. RESULTS: During the survival study period, the food consumption of FHCO-fed rats significantly increased (15-20 % w/w) compared with that of rats fed any other oil. However, the body weight gain in the FHCO group was significantly less (10-12 %) than that in the control group at 9-11 weeks old. The FHCO (> 180 days) intervention had the greatest effect on lifespan, followed by the Lrd (115 ± 6 days), Plm (101 ± 2 days), and Can (94 ± 3 days) diets. FHCO remarkably decreased the serum cholesterol level compared with Can and the systolic blood pressure from 12 to 16 weeks of age. In addition, while some rats in the Can group exhibited brain hemorrhaging and renal dysfunction at 16 weeks old, no symptoms were observed in the FHCO group. CONCLUSION: This current study suggests that complete hydrogenation decreases the toxicity of Can and even prolongs the lifespan in SHRSP.


Assuntos
Gorduras na Dieta/administração & dosagem , Hipertensão/dietoterapia , Longevidade/efeitos dos fármacos , Óleo de Palmeira/administração & dosagem , Óleo de Brassica napus/administração & dosagem , Óleo de Soja/administração & dosagem , Acidente Vascular Cerebral/prevenção & controle , Animais , Pressão Sanguínea/efeitos dos fármacos , Peso Corporal/efeitos dos fármacos , Encéfalo/irrigação sanguínea , Encéfalo/efeitos dos fármacos , Encéfalo/metabolismo , Colesterol/metabolismo , Ingestão de Alimentos/efeitos dos fármacos , Ácidos Graxos/metabolismo , Hidrogenação , Hipertensão/metabolismo , Hipertensão/mortalidade , Hipertensão/fisiopatologia , Rim/irrigação sanguínea , Rim/efeitos dos fármacos , Rim/metabolismo , Masculino , Fitosteróis/metabolismo , Óleo de Brassica napus/química , Ratos , Ratos Endogâmicos SHR , Acidente Vascular Cerebral/metabolismo , Acidente Vascular Cerebral/mortalidade , Acidente Vascular Cerebral/fisiopatologia , Análise de Sobrevida
4.
Vopr Virusol ; 66(1): 40-46, 2021 03 07.
Artigo em Russo | MEDLINE | ID: mdl-33683064

RESUMO

INTRODUCTION: Analysis of the pathogenesis of coronavirus infection caused SARS-CoV-2 indicates a significant impact of hemorheological disorders on its course and outcomes. It is known that chronic cardiovascular diseases are associated with the risk of severe course and lethal outcomes both in COVID-19 and other infectious diseases. Therefore, in each case it is necessary to study the interaction and mutual influence of different components of the treatment program prescribed to such patients.The purpose of this work was to evaluate the effect of coagulation activity on the course of a novel coronavirus infection (COVID-19) and to justify the management of comorbid patients having been received novel oral anticoagulants (NOACs) in previously selected doses according to indications in concomitant somatic diseases. MATERIAL AND METHODS: Total 76 cases of confirmed coronavirus infection in patients who had been received initial therapy on an outpatient basis were analyzed. 26 patients who received NOACs (rivaroxaban, apixaban, dabigatran) made up the main group and 50 - the comparison (control) group in which patients had not been administered any drugs that affect blood clotting until the episode of COVID-19. All patients have been prescribed therapy following the Provisional guidelines «Prevention, diagnosis and treatment of coronavirus infection (COVID-19)¼ (https://static-0.minzdrav.gov.ru/system/attachments/attaches/). RESULTS AND DISCUSSION: The number of hospitalizations was significantly fewer in the group of patients who had been received NOACs (19 vs. 66% in the control group). No deaths or cases of severe respiratory and/or renal failure were observed in the main group, while adverse outcomes were noted in 14% of patients who had not been administered these drugs. CONCLUSION: Taking NOACs reduces the probability of severe course and adverse outcomes in the development of coronavirus infection caused by SARS-CoV-2, which indicates a significant contribution of coagulation mechanisms to the pathogenesis in COVID-19. There were no indications for drug replacement and correction of anticoagulant therapy regimens in patients who received adequate therapy with oral anticoagulants for treating a non-severe form of coronavirus infection in ambulatory patient settings.


Assuntos
Anticoagulantes/uso terapêutico , Fibrilação Atrial/tratamento farmacológico , Tratamento Farmacológico da COVID-19 , Doença das Coronárias/tratamento farmacológico , Coagulação Intravascular Disseminada/tratamento farmacológico , Hipertensão/tratamento farmacológico , Arteriosclerose Intracraniana/tratamento farmacológico , Acetilcisteína/uso terapêutico , Idoso , Idoso de 80 Anos ou mais , Antivirais/uso terapêutico , Fibrilação Atrial/diagnóstico , Fibrilação Atrial/mortalidade , Fibrilação Atrial/virologia , Azitromicina/uso terapêutico , COVID-19/mortalidade , COVID-19/patologia , COVID-19/virologia , Estudos de Coortes , Comorbidade , Doença das Coronárias/diagnóstico , Doença das Coronárias/mortalidade , Doença das Coronárias/virologia , Dabigatrana/uso terapêutico , Coagulação Intravascular Disseminada/diagnóstico , Coagulação Intravascular Disseminada/mortalidade , Coagulação Intravascular Disseminada/virologia , Feminino , Humanos , Hipertensão/diagnóstico , Hipertensão/mortalidade , Hipertensão/virologia , Indóis/uso terapêutico , Interferon alfa-2/uso terapêutico , Arteriosclerose Intracraniana/diagnóstico , Arteriosclerose Intracraniana/mortalidade , Arteriosclerose Intracraniana/virologia , Masculino , Pessoa de Meia-Idade , Pirazóis/uso terapêutico , Piridonas/uso terapêutico , Rivaroxabana/uso terapêutico , SARS-CoV-2/efeitos dos fármacos , SARS-CoV-2/patogenicidade , Índice de Gravidade de Doença , Análise de Sobrevida
5.
Hypertens Res ; 43(9): 938-947, 2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32528055

RESUMO

A shift towards high folate concentration has emerged following folate fortification. However, the association between folate and health outcomes beyond neural tube defects remains inconclusive. To assess the relationship between red blood cell (RBC) folate and the risk of cardiovascular death among hypertensive patients, we analyzed the data of 2,986 adults aged 19 or older with hypertension who participated in the National Health and Nutrition Examination Survey (1991-1994) as the baseline examination and were followed up through December 31, 2010. After 32,743 person-years of follow-up with an average of 11.7 (standard error = 0.03) years, 1192 deaths were recorded with 579 cardiovascular deaths. The median survival time was significantly shorter in adults in the high folate quartile than in patients in the low folate quartile: 11.97 vs. 13.85 years for heart diseases and 13.37 vs. 14.82 years for myocardial infarction deaths. The cardiovascular mortality was 13.04, 16.95, and 26.61/1,000 person-years for the groups with low, intermediate and high folate quartiles, respectively. After adjustment for age, sex and other factors, a J-shaped association emerged. The hazard ratios (HRs) of all cardiovascular deaths in patients with low, intermediate, and high folate quartiles were 1.09 (0.94, 1.27), 1.00 (reference), and 1.44 (1.31, 1.58), respectively. The corresponding HRs of acute myocardial infarction were 1.13 (0.86, 1.50), 1.00, and 2.13 (1.77, 2.57), respectively. The estimates remained significant after adjustment for BMI and medication use. Compared to moderate RBC folate levels, high folate levels were significantly associated with an increased risk of cardiovascular deaths, especially acute myocardial infarction.


Assuntos
Eritrócitos/metabolismo , Ácido Fólico/efeitos adversos , Hipertensão/mortalidade , Estudos de Coortes , Feminino , Ácido Fólico/metabolismo , Alimentos Fortificados/efeitos adversos , Humanos , Hipertensão/metabolismo , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/induzido quimicamente , Inquéritos Nutricionais , Estados Unidos/epidemiologia
7.
PLoS One ; 14(5): e0216348, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31063480

RESUMO

BACKGROUND: Potato consumption has been hypothesized to be associated with higher risk of hypertension, diabetes, and colorectal cancer. OBJECTIVE: The aim of this study was to examine the association between potato consumption and the risk of overall and cause specific mortality in the large prospective National Institutes of Health-AARP (NIH-AARP) Study. DESIGN: The NIH-AARP study recruited 566,407 persons, aged 50-72 years in 1995-1996. We excluded subjects that reported a history of chronic disease at baseline. Potato consumption data from a validated food frequency questionnaire completed at baseline was used in Cox proportional hazard models to estimate hazard ratios (HR) and 95% confidence intervals (95% CI) for overall and cause specific mortality. Final models were adjusted for potential risk factors for mortality. RESULTS: Among 410,701 participants included in this analysis, 76,921 persons died during the 15.6 years of follow-up. Eating baked, boiled, or mashed potatoes, French fries or potato salad seven or more times per week was associated with higher risk of overall mortality, in models adjusted only for age and sex (HR C4 vs C1 = 1.17, 95%CI = 1.13, 1.21). These results were attenuated in fully adjusted models (HR C4 vs C1 = 1.02, 95%CI = 0.97, 1.06). Potato consumption was not associated with risk of mortality caused by cancer (HR C4 vs C1 = 1.04, 95%CI = 0.97, 1.11), heart disease (HR C4 vs C1 = 1.00, 95%CI = 0.93, 1.09), respiratory disease (HR C4 vs C1 = 1.16, 95%CI = 0.99, 1.37), or diabetes (HR C4 vs C1 = 0.91, 95%CI = 0.71, 1.19). We tested for an association with different preparation methods and found limited evidence for differences by preparation method. The only statistically significant association was that for French fry consumption with cancer-related mortality (HR C4 vs C1 = 1.27, 95%CI = 1.02, 1.59), a finding for which uncontrolled confounding could not be ruled out. CONCLUSION: We find little evidence that potato consumption is associated with all-cause or cause-specific mortality.


Assuntos
Neoplasias Colorretais , Diabetes Mellitus , Preferências Alimentares , Hipertensão , Solanum tuberosum , Inquéritos e Questionários , Idoso , Neoplasias Colorretais/etiologia , Neoplasias Colorretais/mortalidade , Diabetes Mellitus/etiologia , Diabetes Mellitus/mortalidade , Feminino , Seguimentos , Humanos , Hipertensão/etiologia , Hipertensão/mortalidade , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Estados Unidos/epidemiologia
8.
JBI Database System Rev Implement Rep ; 17(3): 365-389, 2019 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-30870330

RESUMO

OBJECTIVE: The objective of this review was to evaluate the effectiveness of inorganic nitrate on blood pressure in hypertensive adults. INTRODUCTION: Hypertension is associated with increased risk of morbidity and mortality in adults. Inorganic nitrate could be beneficial for lowering blood pressure and reducing cardiovascular disease risks. Evidence related to the treatment of hypertension through sources of inorganic nitrate has been presented. INCLUSION CRITERIA: The review considered studies on adults aged 18 years and over, with blood pressure greater than 120/80 mmHg, undergoing interventions focusing on the effects of inorganic nitrate on blood pressure. Studies that included inorganic nitrate intake via dietary modification, in the form of a dietary supplement, and/or by the consumption of beetroot juice were considered. The comparator was no intervention of inorganic nitrate; different dosage, frequency, duration of inorganic nitrate; and other interventions that are administered to reduce and manage blood pressure. The primary outcomes were systolic and diastolic blood pressure effects. Experimental, quasi-experimental, analytical observational and pilot study designs were considered for inclusion. METHODS: Databases were searched for published and unpublished studies, available in English, from January 2013 to January 2018. Critical appraisal was conducted using standardized instruments from the Joanna Briggs Institute (JBI) and the methodological quality of included studies was considered to be moderate. Data were extracted using the JBI data extraction instrument. Data were presented in a narrative form due to the heterogeneity of included studies. RESULTS: Twelve papers were included in the systematic review with a total of 321 participants. Ten were randomized controlled trials and two were quasi-experimental studies. All participants had baseline blood pressures greater than 120/80 mmHg. Some studies included participants with comorbidities such as diabetes or heart failure with preserved ejection fraction. Inorganic nitrate was administered multiple ways throughout the studies including the following: beetroot juice, beetroot gel, nitric oxide lozenge, high nitrate diet, and raw and cooked beet juice. Doses and treatment intervals varied. Some studies included exercise as part of the intervention protocol.Meta-analysis was not conducted due to heterogeneity that existed within the studies. Blood pressure was measured in multiple settings by manual, digital or ambulatory means. The noted outcome patterns were as follows: no change in systolic blood pressure and diastolic blood pressure, decrease in systolic blood pressure and diastolic blood pressure, or decrease in systolic blood pressure with no change in diastolic blood pressure. Possible reasons for the diverse findings include the following: age, comorbidities, use of antihypertensives by participants; source and dose of nitrate; and intervention and follow-up time frames. CONCLUSIONS: There is insufficient evidence to support or refute the use of inorganic nitrate for any effect on blood pressure at this time. Therefore, there is no concrete base for the development of practice guidelines until stronger evidence becomes available. The gaps in the literature along with the study limitations identified necessitate the need for more research on inorganic nitrate and how it relates to blood pressure.


Assuntos
Pressão Sanguínea/efeitos dos fármacos , Suplementos Nutricionais/efeitos adversos , Hipertensão/tratamento farmacológico , Nitratos/uso terapêutico , Adulto , Idoso , Anti-Hipertensivos/uso terapêutico , Beta vulgaris/efeitos adversos , Determinação da Pressão Arterial/instrumentação , Determinação da Pressão Arterial/métodos , Doenças Cardiovasculares/prevenção & controle , Comorbidade , Feminino , Humanos , Hipertensão/epidemiologia , Hipertensão/mortalidade , Masculino , Pessoa de Meia-Idade , Nitratos/administração & dosagem , Ensaios Clínicos Controlados não Aleatórios como Assunto/métodos , Estudos Observacionais como Assunto , Avaliação de Resultados em Cuidados de Saúde , Projetos Piloto , Ensaios Clínicos Controlados Aleatórios como Assunto , Estados Unidos/epidemiologia
9.
J Stroke Cerebrovasc Dis ; 28(3): 577-586, 2019 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-30482488

RESUMO

OBJECTIVES: Meditation has shown promise in clinical trials in reducing systolic blood pressure, one of the main risk factors for stroke. We aim to estimate the potential benefits of popularizing meditation on stroke incidence and mortality in the United States (U.S.). METHODS: We developed a dynamic population-based microsimulation model to simulate the disease progression of each individual and compute disease burden. We calibrated the microsimulation model for stroke incidence and further validated it by comparing the stroke-related mortality for each age group generated by the model with that observed in the U.S. We used the population simulation model to estimate the effects of meditation intervention on the number of stroke cases and deaths over a course of 15 years. RESULTS: Our results show that we could avert nearly 200,000 stroke cases and 50,000 stroke-related deaths over the course of 15 years. Our sensitivity analysis reveals that most of the benefits come from applying the intervention for individuals older than 60 years. In addition, meditation acceptance and adherence rate play a critical role in its effectiveness. CONCLUSIONS: The practice of meditation, if properly utilized along with the regular antihypertensive medication, could substantially alleviate the burden of stroke in the U.S. In order to design an effective meditation program, policymakers may prioritize funding to the programs that aim to encourage older individuals to practice meditation.


Assuntos
Hipertensão/mortalidade , Hipertensão/terapia , Meditação , Modelos Teóricos , Prevenção Primária/métodos , Acidente Vascular Cerebral/mortalidade , Acidente Vascular Cerebral/prevenção & controle , Adulto , Distribuição por Idade , Fatores Etários , Pressão Sanguínea , Simulação por Computador , Feminino , Humanos , Hipertensão/diagnóstico , Hipertensão/fisiopatologia , Incidência , Masculino , Pessoa de Meia-Idade , Medição de Risco , Fatores de Risco , Comportamento de Redução do Risco , Acidente Vascular Cerebral/diagnóstico , Acidente Vascular Cerebral/fisiopatologia , Fatores de Tempo , Resultado do Tratamento , Estados Unidos/epidemiologia
10.
Cochrane Database Syst Rev ; 10: CD001059, 2018 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-30277579

RESUMO

BACKGROUND: Pre-eclampsia and eclampsia are common causes of serious morbidity and death. Calcium supplementation may reduce the risk of pre-eclampsia, and may help to prevent preterm birth. This is an update of a review last published in 2014. OBJECTIVES: To assess the effects of calcium supplementation during pregnancy on hypertensive disorders of pregnancy and related maternal and child outcomes. SEARCH METHODS: We searched Cochrane Pregnancy and Childbirth's Trials Register, ClinicalTrials.gov, the WHO International Clinical Trials Registry Platform (ICTRP) (18 September 2017), and reference lists of retrieved studies. SELECTION CRITERIA: We included randomised controlled trials (RCTs), including cluster-randomised trials, comparing high-dose calcium supplementation (at least 1 g daily of calcium) during pregnancy with placebo. For low-dose calcium we included quasi-randomised trials, trials without placebo, trials with cointerventions and dose comparison trials. DATA COLLECTION AND ANALYSIS: Two researchers independently assessed trials for inclusion and risk of bias, extracted data and checked them for accuracy. Two researchers assessed the evidence using the GRADE approach. MAIN RESULTS: We included 27 studies (18,064 women). We assessed the included studies as being at low risk of bias, although bias was frequently difficult to assess due to poor reporting and inadequate information on methods.High-dose calcium supplementation (≥ 1 g/day) versus placeboFourteen studies examined this comparison, however one study contributed no data. The 13 studies contributed data from 15,730 women to our meta-analyses. The average risk of high blood pressure (BP) was reduced with calcium supplementation compared with placebo (12 trials, 15,470 women: risk ratio (RR) 0.65, 95% confidence interval (CI) 0.53 to 0.81; I² = 74%). There was also a reduction in the risk of pre-eclampsia associated with calcium supplementation (13 trials, 15,730 women: average RR 0.45, 95% CI 0.31 to 0.65; I² = 70%; low-quality evidence). This effect was clear for women with low calcium diets (eight trials, 10,678 women: average RR 0.36, 95% CI 0.20 to 0.65; I² = 76%) but not those with adequate calcium diets. The effect appeared to be greater for women at higher risk of pre-eclampsia, though this may be due to small-study effects (five trials, 587 women: average RR 0.22, 95% CI 0.12 to 0.42). These data should be interpreted with caution because of the possibility of small-study effects or publication bias. In the largest trial, the reduction in pre-eclampsia was modest (8%) and the CI included the possibility of no effect.The composite outcome maternal death or serious morbidity was reduced with calcium supplementation (four trials, 9732 women; RR 0.80, 95% CI 0.66 to 0.98). Maternal deaths were no different (one trial of 8312 women: one death in the calcium group versus six in the placebo group). There was an anomalous increase in the risk of HELLP syndrome in the calcium group (two trials, 12,901 women: RR 2.67, 95% CI 1.05 to 6.82, high-quality evidence), however, the absolute number of events was low (16 versus six).The average risk of preterm birth was reduced in the calcium supplementation group (11 trials, 15,275 women: RR 0.76, 95% CI 0.60 to 0.97; I² = 60%; low-quality evidence); this reduction was greatest amongst women at higher risk of developing pre-eclampsia (four trials, 568 women: average RR 0.45, 95% CI 0.24 to 0.83; I² = 60%). Again, these data should be interpreted with caution because of the possibility of small-study effects or publication bias. There was no clear effect on admission to neonatal intensive care. There was also no clear effect on the risk of stillbirth or infant death before discharge from hospital (11 trials, 15,665 babies: RR 0.90, 95% CI 0.74 to 1.09).One study showed a reduction in childhood systolic BP greater than 95th percentile among children exposed to calcium supplementation in utero (514 children: RR 0.59, 95% CI 0.39 to 0.91). In a subset of these children, dental caries at 12 years old was also reduced (195 children, RR 0.73, 95% CI 0.62 to 0.87).Low-dose calcium supplementation (< 1 g/day) versus placebo or no treatmentTwelve trials (2334 women) evaluated low-dose (usually 500 mg daily) supplementation with calcium alone (four trials) or in association with vitamin D (five trials), linoleic acid (two trials), or antioxidants (one trial). Most studies recruited women at high risk for pre-eclampsia, and were at high risk of bias, thus the results should be interpreted with caution. Supplementation with low doses of calcium reduced the risk of pre-eclampsia (nine trials, 2234 women: RR 0.38, 95% CI 0.28 to 0.52). There was also a reduction in high BP (five trials, 665 women: RR 0.53, 95% CI 0.38 to 0.74), admission to neonatal intensive care unit (one trial, 422 women, RR 0.44, 95% CI 0.20 to 0.99), but not preterm birth (six trials, 1290 women, average RR 0.83, 95% CI 0.34 to 2.03), or stillbirth or death before discharge (five trials, 1025 babies, RR 0.48, 95% CI 0.14 to 1.67).High-dose (=/> 1 g) versus low-dose (< 1 g) calcium supplementationWe included one trial with 262 women, the results of which should be interpreted with caution due to unclear risk of bias. Risk of pre-eclampsia appeared to be reduced in the high-dose group (RR 0.42, 95% CI 0.18 to 0.96). No other differences were found (preterm birth: RR 0.31, 95% CI 0.09 to 1.08; eclampsia: RR 0.32, 95% CI 0.07 to 1.53; stillbirth: RR 0.48, 95% CI 0.13 to 1.83). AUTHORS' CONCLUSIONS: High-dose calcium supplementation (≥ 1 g/day) may reduce the risk of pre-eclampsia and preterm birth, particularly for women with low calcium diets (low-quality evidence). The treatment effect may be overestimated due to small-study effects or publication bias. It reduces the occurrence of the composite outcome 'maternal death or serious morbidity', but not stillbirth or neonatal high care admission. There was an increased risk of HELLP syndrome with calcium supplementation, which was small in absolute numbers.The limited evidence on low-dose calcium supplementation suggests a reduction in pre-eclampsia, hypertension and admission to neonatal high care, but needs to be confirmed by larger, high-quality trials.


Assuntos
Cálcio/administração & dosagem , Suplementos Nutricionais , Hipertensão/prevenção & controle , Pré-Eclâmpsia/prevenção & controle , Complicações Cardiovasculares na Gravidez/prevenção & controle , Nascimento Prematuro/prevenção & controle , Feminino , Humanos , Hipertensão/mortalidade , Ácido Linoleico/administração & dosagem , Pré-Eclâmpsia/mortalidade , Gravidez , Complicações Cardiovasculares na Gravidez/mortalidade , Ensaios Clínicos Controlados Aleatórios como Assunto , Vitamina D/administração & dosagem , Vitaminas/administração & dosagem
11.
Rev Assoc Med Bras (1992) ; 64(7): 601-610, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30365662

RESUMO

OBJECTIVE: To correlate the number of hypertensive patients with high and very high risk for cardiovascular diseases with socioeconomic and health indicators. METHODS: An ecological study carried out from the National Registry of Hypertension and Diabetes (SisHiperDia). The variable "hypertensive patients with high and very high risk" was correlated with the Human Development Index, health care costs and services, average household income per capita, per capita municipal income, number of hospital admissions in SUS, number of medical consultations in the SUS and specific mortality due to diseases of the circulatory system, considering the 27 federative units of Brazil. The data was processed in software IBM Statistical Package for the Social Sciences (SPSS) Statistics, version 22.00. The statistical analysis considered the level of significance p<0.05. RESULTS: Brazilian states with more hypertensive registries in high/very high risk spend more on public health, fewer people reach the elderly age group and more deaths from diseases of the circulatory system (p<0.05). The very high risk stratum correlated with more physicians per population (p<0.05). CONCLUSION: Systemic arterial hypertension has a direct impact on life expectancy and also on the economic context, since when it evolves to high and very high risk for cardiovascular diseases, it generates more expenses in health and demand more professionals, burdening the public health system. Monitoring is necessary in order to consolidate public policies to promote the health of hypertensive individuals.


Assuntos
Doenças Cardiovasculares/etiologia , Hipertensão/complicações , Adolescente , Adulto , Brasil/epidemiologia , Doenças Cardiovasculares/economia , Doenças Cardiovasculares/mortalidade , Causas de Morte , Feminino , Custos de Cuidados de Saúde , Humanos , Hipertensão/economia , Hipertensão/mortalidade , Masculino , Pessoa de Meia-Idade , Programas Nacionais de Saúde , Fatores de Risco , Fatores Socioeconômicos
12.
Health Qual Life Outcomes ; 16(1): 186, 2018 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-30219061

RESUMO

BACKGROUND: Multimorbidity negatively affects health outcomes and impairs health-related quality of life (HRQoL). We assessed the prevalence of multimorbidity in Koreans aged 50 and older, taking into consideration their socioeconomic status, and estimated the loss in HRQoL due to multimorbidity. METHODS: This study is based on an analysis of data for adults aged 50 and older derived from the cross-sectional nationally representative Korean National Health and Nutrition Examination Survey conducted in 2013-14. The five most prevalent chronic diseases and disease dyads were identified. The impact of the degree of multimorbidity, sex, and socioeconomic status on the European Quality of Life 5 Dimension (EQ-5D) index score were analyzed. Marital status, educational attainment, household income, basic livelihood security benefit, and occupation were considered as socioeconomic factors. RESULTS: The analysis included 5996 adults aged 50 years and older with males comprising 46.6%. Two or more chronic diseases were present in 26.8% of the participants aged 50 and older and 37.9% of the participants aged 65 and older. The most prevalent dyadic combination was hypertension and dyslipidemia in the 50 and older group, and hypertension and osteoarthritis in the 65 and older age group. Hypertension dominated the multimorbidity combinations (four of the five most prevalent multimorbidity dyads), while a few conditions such as osteoarthritis had a relatively large influence on quality of life. In addition to the degree of multimorbidity, female and lower socioeconomic status were associated with significantly lower EQ-5D index scores. CONCLUSIONS: Integrated, holistic healthcare based on a patient-oriented perspective for earlier, more effective intervention, targeting multimorbidity is warranted. Special consideration should be given to patients with low socioeconomic status.


Assuntos
Doença Crônica/mortalidade , Nível de Saúde , Inquéritos Epidemiológicos , Hipertensão/mortalidade , Multimorbidade , Qualidade de Vida , Idoso , Idoso de 80 Anos ou mais , Doença Crônica/epidemiologia , Estudos Transversais , Feminino , Humanos , Hipertensão/epidemiologia , Masculino , Pessoa de Meia-Idade , Prevalência , República da Coreia/epidemiologia , Classe Social , Fatores Socioeconômicos
13.
Rev. Assoc. Med. Bras. (1992) ; 64(7): 601-610, July 2018. tab, graf
Artigo em Inglês | LILACS | ID: biblio-976828

RESUMO

SUMMARY OBJECTIVE To correlate the number of hypertensive patients with high and very high risk for cardiovascular diseases with socioeconomic and health indicators. METHODS An ecological study carried out from the National Registry of Hypertension and Diabetes (SisHiperDia). The variable "hypertensive patients with high and very high risk" was correlated with the Human Development Index, health care costs and services, average household income per capita, per capita municipal income, number of hospital admissions in SUS, number of medical consultations in the SUS and specific mortality due to diseases of the circulatory system, considering the 27 federative units of Brazil. The data was processed in software IBM Statistical Package for the Social Sciences (SPSS) Statistics, version 22.00. The statistical analysis considered the level of significance p<0.05. RESULTS Brazilian states with more hypertensive registries in high/very high risk spend more on public health, fewer people reach the elderly age group and more deaths from diseases of the circulatory system (p<0.05). The very high risk stratum correlated with more physicians per population (p<0.05). CONCLUSION: Systemic arterial hypertension has a direct impact on life expectancy and also on the economic context, since when it evolves to high and very high risk for cardiovascular diseases, it generates more expenses in health and demand more professionals, burdening the public health system. Monitoring is necessary in order to consolidate public policies to promote the health of hypertensive individuals.


RESUMO OBJETIVO Correlacionar o número de cadastros de hipertensos com risco alto e muito alto para doenças cardiovasculares com os indicadores socioeconômicos e de saúde. MÉTODOS Estudo ecológico realizado a partir do Sistema Nacional de Cadastro de Hipertensão e Diabetes (SisHiperDia). A variável "hipertensos com risco alto e muito alto" foi correlacionada ao Índice de Desenvolvimento Humano, gastos com ações e serviços de saúde, renda média domiciliar per capita, renda municipal per capita, número de internações hospitalares no SUS, número de consultas médicas no SUS e mortalidade específica por doenças do aparelho circulatório, considerando as 27 unidades federativas do Brasil. Os dados foram processados no software IBM Statistical Package for the Social Sciences (SPSS) Statistics, versão 22.00. A análise estatística considerou o nível de significância p < 0,05. RESULTADOS Estados brasileiros com mais cadastros de hipertensos em riscos alto/muito alto gastam mais na saúde pública, menos pessoas alcançam a faixa etária idosa e há mais mortes por doenças do aparelho circulatório (p < 0,05). O estrato de risco muito alto correlacionou com mais médicos por habitantes (p < 0,05). CONCLUSÃO A hipertensão arterial sistêmica impacta diretamente a expectativa de vida e também o contexto económico, pois, quando evolui para risco alto e muito alto, para as doenças cardiovasculares, gera mais gastos em saúde e demanda mais profissionais, onerando o sistema público de saúde. É necessário monitoramento, em busca da consolidação das políticas públicas de promoção da saúde dos hipertensos.


Assuntos
Humanos , Masculino , Feminino , Adulto , Doenças Cardiovasculares/etiologia , Hipertensão/complicações , Fatores Socioeconômicos , Brasil/epidemiologia , Doenças Cardiovasculares/economia , Doenças Cardiovasculares/mortalidade , Fatores de Risco , Causas de Morte , Custos de Cuidados de Saúde , Hipertensão/economia , Hipertensão/mortalidade , Pessoa de Meia-Idade , Programas Nacionais de Saúde
14.
Cochrane Database Syst Rev ; 4: CD001841, 2018 04 18.
Artigo em Inglês | MEDLINE | ID: mdl-29667175

RESUMO

BACKGROUND: This is the first update of a review published in 2009. Sustained moderate to severe elevations in resting blood pressure leads to a critically important clinical question: What class of drug to use first-line? This review attempted to answer that question. OBJECTIVES: To quantify the mortality and morbidity effects from different first-line antihypertensive drug classes: thiazides (low-dose and high-dose), beta-blockers, calcium channel blockers, ACE inhibitors, angiotensin II receptor blockers (ARB), and alpha-blockers, compared to placebo or no treatment.Secondary objectives: when different antihypertensive drug classes are used as the first-line drug, to quantify the blood pressure lowering effect and the rate of withdrawal due to adverse drug effects, compared to placebo or no treatment. SEARCH METHODS: The Cochrane Hypertension Information Specialist searched the following databases for randomized controlled trials up to November 2017: the Cochrane Hypertension Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE (from 1946), Embase (from 1974), the World Health Organization International Clinical Trials Registry Platform, and ClinicalTrials.gov. We contacted authors of relevant papers regarding further published and unpublished work. SELECTION CRITERIA: Randomized trials (RCT) of at least one year duration, comparing one of six major drug classes with a placebo or no treatment, in adult patients with blood pressure over 140/90 mmHg at baseline. The majority (over 70%) of the patients in the treatment group were taking the drug class of interest after one year. We included trials with both hypertensive and normotensive patients in this review if the majority (over 70%) of patients had elevated blood pressure, or the trial separately reported outcome data on patients with elevated blood pressure. DATA COLLECTION AND ANALYSIS: The outcomes assessed were mortality, stroke, coronary heart disease (CHD), total cardiovascular events (CVS), decrease in systolic and diastolic blood pressure, and withdrawals due to adverse drug effects. We used a fixed-effect model to to combine dichotomous outcomes across trials and calculate risk ratio (RR) with 95% confidence interval (CI). We presented blood pressure data as mean difference (MD) with 99% CI. MAIN RESULTS: The 2017 updated search failed to identify any new trials. The original review identified 24 trials with 28 active treatment arms, including 58,040 patients. We found no RCTs for ARBs or alpha-blockers. These results are mostly applicable to adult patients with moderate to severe primary hypertension. The mean age of participants was 56 years, and mean duration of follow-up was three to five years.High-quality evidence showed that first-line low-dose thiazides reduced mortality (11.0% with control versus 9.8% with treatment; RR 0.89, 95% CI 0.82 to 0.97); total CVS (12.9% with control versus 9.0% with treatment; RR 0.70, 95% CI 0.64 to 0.76), stroke (6.2% with control versus 4.2% with treatment; RR 0.68, 95% CI 0.60 to 0.77), and coronary heart disease (3.9% with control versus 2.8% with treatment; RR 0.72, 95% CI 0.61 to 0.84).Low- to moderate-quality evidence showed that first-line high-dose thiazides reduced stroke (1.9% with control versus 0.9% with treatment; RR 0.47, 95% CI 0.37 to 0.61) and total CVS (5.1% with control versus 3.7% with treatment; RR 0.72, 95% CI 0.63 to 0.82), but did not reduce mortality (3.1% with control versus 2.8% with treatment; RR 0.90, 95% CI 0.76 to 1.05), or coronary heart disease (2.7% with control versus 2.7% with treatment; RR 1.01, 95% CI 0.85 to 1.20).Low- to moderate-quality evidence showed that first-line beta-blockers did not reduce mortality (6.2% with control versus 6.0% with treatment; RR 0.96, 95% CI 0.86 to 1.07) or coronary heart disease (4.4% with control versus 3.9% with treatment; RR 0.90, 95% CI 0.78 to 1.03), but reduced stroke (3.4% with control versus 2.8% with treatment; RR 0.83, 95% CI 0.72 to 0.97) and total CVS (7.6% with control versus 6.8% with treatment; RR 0.89, 95% CI 0.81 to 0.98).Low- to moderate-quality evidence showed that first-line ACE inhibitors reduced mortality (13.6% with control versus 11.3% with treatment; RR 0.83, 95% CI 0.72 to 0.95), stroke (6.0% with control versus 3.9% with treatment; RR 0.65, 95% CI 0.52 to 0.82), coronary heart disease (13.5% with control versus 11.0% with treatment; RR 0.81, 95% CI 0.70 to 0.94), and total CVS (20.1% with control versus 15.3% with treatment; RR 0.76, 95% CI 0.67 to 0.85).Low-quality evidence showed that first-line calcium channel blockers reduced stroke (3.4% with control versus 1.9% with treatment; RR 0.58, 95% CI 0.41 to 0.84) and total CVS (8.0% with control versus 5.7% with treatment; RR 0.71, 95% CI 0.57 to 0.87), but not coronary heart disease (3.1% with control versus 2.4% with treatment; RR 0.77, 95% CI 0.55 to 1.09), or mortality (6.0% with control versus 5.1% with treatment; RR 0.86, 95% CI 0.68 to 1.09).There was low-quality evidence that withdrawals due to adverse effects were increased with first-line low-dose thiazides (5.0% with control versus 11.3% with treatment; RR 2.38, 95% CI 2.06 to 2.75), high-dose thiazides (2.2% with control versus 9.8% with treatment; RR 4.48, 95% CI 3.83 to 5.24), and beta-blockers (3.1% with control versus 14.4% with treatment; RR 4.59, 95% CI 4.11 to 5.13). No data for these outcomes were available for first-line ACE inhibitors or calcium channel blockers. The blood pressure data were not used to assess the effect of the different classes of drugs as the data were heterogeneous, and the number of drugs used in the trials differed. AUTHORS' CONCLUSIONS: First-line low-dose thiazides reduced all morbidity and mortality outcomes in adult patients with moderate to severe primary hypertension. First-line ACE inhibitors and calcium channel blockers may be similarly effective, but the evidence was of lower quality. First-line high-dose thiazides and first-line beta-blockers were inferior to first-line low-dose thiazides.


Assuntos
Anti-Hipertensivos/uso terapêutico , Hipertensão/tratamento farmacológico , Antagonistas Adrenérgicos beta/uso terapêutico , Inibidores da Enzima Conversora de Angiotensina/uso terapêutico , Anti-Hipertensivos/efeitos adversos , Bloqueadores dos Canais de Cálcio/uso terapêutico , Doença das Coronárias/prevenção & controle , Humanos , Hipertensão/mortalidade , Pessoa de Meia-Idade , Ensaios Clínicos Controlados Aleatórios como Assunto , Inibidores de Simportadores de Cloreto de Sódio/uso terapêutico , Acidente Vascular Cerebral/prevenção & controle , Tiazidas/efeitos adversos , Tiazidas/uso terapêutico
15.
Neurology ; 89(18): 1886-1893, 2017 Oct 31.
Artigo em Inglês | MEDLINE | ID: mdl-28978656

RESUMO

OBJECTIVE: To evaluate the association of early-adulthood and mid-adulthood hypertension with dementia in men and women. METHODS: We evaluated 5,646 members of a diverse integrated health care delivery system who had clinical examinations and health survey data from 1964 to 1973 (mean age 32.7 years; early adulthood) and 1978-1985 (mean age 44.3 years; mid-adulthood) and were members as of January 1, 1996 (mean age 59.8 years). Hypertension categories based on measurements of blood pressure (BP) and change in hypertension categories between the 2 examinations (e.g., onset hypertension) were used to predict dementia incidence from January 1, 1996, to September 30, 2015. Cox proportional hazard models were adjusted for demographics, vascular comorbidities, and hypertension treatment; inverse probability weighting accounted for differential attrition between first BP measurement and start of follow-up. RESULTS: A total of 532 individuals (9.4%) were diagnosed with dementia. Early adulthood hypertension was not associated with dementia, though effect estimates were elevated among women. Mid-adulthood hypertension was associated with 65% (95% confidence interval [CI] 1.25-2.18) increased dementia risk among women but not men. Onset of hypertension in mid-adulthood predicted 73% higher dementia risk in women (95% CI 1.24-2.40) compared to stable normotensive. There was no evidence that hypertension or changes in hypertension increased dementia risk among men. CONCLUSIONS: Though midlife hypertension was more common in men, it was only associated with dementia risk in women. Sex differences in the timing of dementia risk factors have important implications for brain health and hypertension management.


Assuntos
Envelhecimento , Demência/epidemiologia , Hipertensão/epidemiologia , Caracteres Sexuais , Adulto , Fatores Etários , Demência/etiologia , Demência/mortalidade , Registros Eletrônicos de Saúde/estatística & dados numéricos , Feminino , Humanos , Hipertensão/complicações , Hipertensão/mortalidade , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco , Fatores Sexuais , Inquéritos e Questionários
16.
PLoS One ; 12(9): e0183966, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28910309

RESUMO

Multimorbidity is increasingly the primary concern of healthcare systems globally with substantial implications for patient outcomes and resource cost. A critical knowledge gap exists as to the magnitude of multimorbidity in primary care practice in low and middle income countries with available information limited to prevalence. In India, primary care forms the bulk of the health care delivery being provided through both public (community health center) and private general practice setting. We undertook a study to identify multimorbidity patterns and relate these patterns to severity among primary care attendees in Odisha state of India. A total of 1649 patients attending 40 primary care facilities were interviewed using a structured multimorbidity assessment questionnaire. Multimorbidity patterns (dyad and triad) were identified for 21 chronic conditions, functional limitation was assessed as a proxy measure of severity and the mean severity score for each pattern, was determined after adjusting for age. The leading dyads in younger age group i.e. 18-29 years were acid peptic disease with arthritis/ chronic back ache/tuberculosis /chronic lung disease, while older age groups had more frequent combinations of hypertension + arthritis/ chronic lung disease/vision difficulty, and arthritis + chronic back ache. The triad of acid peptic disease + arthritis + chronic backache was common in men in all age groups. Tuberculosis and lung diseases were associated with significantly higher age-adjusted mean severity score (poorer functional ability). Among men, arthritis, chronic backache, chronic lung disease and vision impairment were observed to have highest severity) whereas women reported higher severity for combinations of hypertension, chronic back ache and arthritis. Given the paucity of studies on multimorbidity patterns in low and middle income countries, future studies should seek to assess the reproducibility of our findings in other populations and settings. Another task is the potential implications of different multimorbidity clusters for designing care protocols, as currently the protocols are disease specific, hardly taking comorbidity into account.


Assuntos
Artrite/mortalidade , Dor nas Costas/mortalidade , Dor Crônica/mortalidade , Atenção à Saúde , Hipertensão/mortalidade , Úlcera Péptica/mortalidade , Atenção Primária à Saúde , Tuberculose Pulmonar/mortalidade , Adolescente , Adulto , Fatores Etários , Doença Crônica , Comorbidade , Feminino , Humanos , Índia/epidemiologia , Masculino
17.
Lancet Respir Med ; 5(9): 717-726, 2017 09.
Artigo em Inglês | MEDLINE | ID: mdl-28624389

RESUMO

BACKGROUND: Idiopathic and heritable pulmonary arterial hypertension form a rare but molecularly heterogeneous disease group. We aimed to measure and validate differences in plasma concentrations of proteins that are associated with survival in patients with idiopathic or heritable pulmonary arterial hypertension to improve risk stratification. METHODS: In this observational cohort study, we enrolled patients with idiopathic or heritable pulmonary arterial hypertension from London (UK; cohorts 1 and 2), Giessen (Germany; cohort 3), and Paris (France; cohort 4). Blood samples were collected at routine clinical appointment visits, clinical data were collected within 30 days of blood sampling, and biochemical data were collected within 7 days of blood sampling. We used an aptamer-based assay of 1129 plasma proteins, and patient clinical details were concealed to the technicians. We identified a panel of prognostic proteins, confirmed with alternative targeted assays, which we evaluated against the established prognostic risk equation for pulmonary arterial hypertension derived from the REVEAL registry. All-cause mortality was the primary endpoint. FINDINGS: 20 proteins differentiated survivors and non-survivors in 143 consecutive patients with idiopathic or heritable pulmonary arterial hypertension with 2 years' follow-up (cohort 1) and in a further 75 patients with 2·5 years' follow-up (cohort 2). Nine proteins were both prognostic independent of plasma NT-proBNP concentrations and confirmed by targeted assays. The functions of these proteins relate to myocardial stress, inflammation, pulmonary vascular cellular dysfunction and structural dysregulation, iron status, and coagulation. A cutoff-based score using the panel of nine proteins provided prognostic information independent of the REVEAL equation, improving the C statistic from area under the curve 0·83 (for REVEAL risk score, 95% CI 0·77-0·89; p<0·0001) to 0·91 (for panel and REVEAL 0·87-0·96; p<0·0001) and improving reclassification indices without detriment to calibration. Poor survival was preceded by an adverse change in panel score in paired samples from 43 incident patients with pulmonary arterial hypertension in cohort 3 (p=0·0133). The protein panel was validated in 93 patients with idiopathic or heritable pulmonary arterial hypertension in cohort 4, with 4·4 years' follow-up and improved risk estimates, providing complementary information to the clinical risk equation. INTERPRETATION: A combination of nine circulating proteins identifies patients with pulmonary arterial hypertension with a high risk of mortality, independent of existing clinical assessments, and might have a use in clinical management and the evaluation of new therapies. FUNDING: National Institute for Health Research, Wellcome Trust, British Heart Foundation, Assistance Publique-Hôpitaux de Paris, Inserm, Université Paris-Sud, and Agence Nationale de la Recherche.


Assuntos
Proteínas Sanguíneas/análise , Hipertensão Pulmonar Primária Familiar/sangue , Hipertensão/sangue , Proteoma/análise , Adulto , Idoso , Pressão Arterial , Biomarcadores/sangue , Estudos de Coortes , Hipertensão Pulmonar Primária Familiar/mortalidade , Feminino , Humanos , Hipertensão/mortalidade , Masculino , Pessoa de Meia-Idade , Medição de Risco , Fatores de Risco
18.
J Hypertens ; 35(6): 1302-1309, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-28441699

RESUMO

OBJECTIVE: We aimed to evaluate whether proteinuria and estimated glomerular filtration rate (eGFR) levels can modify the efficacy of folic acid therapy on the risk of all-cause mortality among hypertensive patients in the China Stroke Primary Prevention Trial, a randomized, double-blind, and controlled trial. METHODS: A total of 20 702 hypertensive patients without a history of major cardiovascular diseases were randomly assigned to a double-blind daily treatment of a single tablet containing 10-mg enalapril and 0.8-mg folic acid (n = 10 348), or 10-mg enalapril alone (n = 10 354). All-cause mortality, a prespecified endpoint of the China Stroke Primary Prevention Trial, was the main outcome in this analysis. RESULTS: Over a median treatment duration of 4.5 years, in the enalapril alone group, both heavy proteinuria [vs. absent, 10.8 vs. 2.7%; hazard ratio = 3.30; 95% confidence interval (CI): 2.10-5.18] and lower eGFR levels (<60 vs. ≥90 ml/min per 1.73 m, 13.0 vs. 2.2%; hazard ratio = 1.93; 95% CI: 1.19-3.12) were significantly associated with increased risk of all-cause mortality. Folic acid supplementation significantly reduced the risk of all-cause mortality in patients with heavy proteinuria (6.4% in the enalapril-folic acid vs. 10.8% in the enalapril alone group, hazard ratio = 0.49; 95% CI: 0.26-0.94), but not in those with absent or mild proteinuria (2.8 vs. 2.9%, hazard ratio = 0.99; 95% CI: 0.84-1.17; P for interaction = 0.040). However, eGFR levels did not significantly modify the effect of folic acid supplementation in reducing the risk of all-cause mortality (P for interaction = 0.228). CONCLUSION: Among hypertensive patients without a history of major cardiovascular diseases, folic acid therapy could reduce the mortality risk associated with heavy proteinuria.


Assuntos
Ácido Fólico/uso terapêutico , Hipertensão/tratamento farmacológico , Proteinúria/mortalidade , Complexo Vitamínico B/uso terapêutico , Idoso , Método Duplo-Cego , Combinação de Medicamentos , Enalapril/uso terapêutico , Feminino , Taxa de Filtração Glomerular , Humanos , Hipertensão/complicações , Hipertensão/mortalidade , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Proteinúria/prevenção & controle , Risco
19.
Circulation ; 135(17): 1617-1628, 2017 Apr 25.
Artigo em Inglês | MEDLINE | ID: mdl-28193605

RESUMO

BACKGROUND: SPRINT (Systolic Blood Pressure Intervention Trial) demonstrated a 27% reduction in all-cause mortality with a systolic blood pressure (SBP) goal of <120 versus <140 mm Hg among US adults at high cardiovascular disease risk but without diabetes mellitus, stroke, or heart failure. To quantify the potential benefits and risks of SPRINT intensive goal implementation, we estimated the deaths prevented and excess serious adverse events incurred if the SPRINT intensive SBP treatment goal were implemented in all eligible US adults. METHODS: SPRINT eligibility criteria were applied to the 1999 to 2006 National Health and Nutrition Examination Survey and linked with the National Death Index through December 2011. SPRINT eligibility included age ≥50 years, SBP of 130 to 180 mm Hg (depending on the number of antihypertensive medications being taken), and high cardiovascular disease risk. Exclusion criteria were diabetes mellitus, history of stroke, >1 g proteinuria, heart failure, estimated glomerular filtration rate <20 mL·min-1·1.73 m-2, or dialysis. Annual mortality rates were calculated by dividing the Kaplan-Meier 5-year mortality by 5. Hazard ratios for all-cause mortality and heart failure and absolute risks for serious adverse events in SPRINT were used to estimate the number of potential deaths and heart failure cases prevented and serious adverse events incurred with intensive SBP treatment. RESULTS: The mean age was 68.6 years, and 83.2% and 7.4% were non-Hispanic white and non-Hispanic black, respectively. The annual mortality rate was 2.20% (95% confidence interval [CI], 1.91-2.48), and intensive SBP treatment was projected to prevent ≈107 500 deaths per year (95% CI, 93 300-121 200) and give rise to 56 100 (95% CI, 50 800-61 400) episodes of hypotension, 34 400 (95% CI, 31 200-37 600) episodes of syncope, 43 400 (95% CI, 39 400-47 500) serious electrolyte disorders, and 88 700 (95% CI, 80 400-97 000) cases of acute kidney injury per year. The analysis-of-extremes approach indicated that the range of estimated lower- and upper-bound number of deaths prevented per year with intensive SBP control was 34 600 to 179 600. Intensive SBP control was projected to prevent 46 100 (95% CI, 41 800-50 400) cases of heart failure annually. CONCLUSIONS: If fully implemented in eligible US adults, intensive SBP treatment could prevent ≈107 500 deaths per year. A consequence of this treatment strategy, however, could be an increase in serious adverse events.


Assuntos
Injúria Renal Aguda/prevenção & controle , Anti-Hipertensivos/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos , Ensaios Clínicos como Assunto/métodos , Insuficiência Cardíaca/prevenção & controle , Hipertensão/tratamento farmacológico , Projetos de Pesquisa , Injúria Renal Aguda/diagnóstico , Injúria Renal Aguda/mortalidade , Injúria Renal Aguda/fisiopatologia , Idoso , Progressão da Doença , Quimioterapia Combinada , Feminino , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/mortalidade , Insuficiência Cardíaca/fisiopatologia , Humanos , Hipertensão/diagnóstico , Hipertensão/mortalidade , Hipertensão/fisiopatologia , Incidência , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Inquéritos Nutricionais , Fatores de Proteção , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Estados Unidos/epidemiologia
20.
Curr Hypertens Rep ; 18(8): 60, 2016 08.
Artigo em Inglês | MEDLINE | ID: mdl-27334011

RESUMO

Congestive heart failure is characterized by hemodynamic and non-hemodynamic abnormalities, the latter including an activation of the sympathetic influences to the heart and peripheral circulation coupled with an impairment of baroreceptor control of autonomic function. Evidence has been provided that both these alterations are hallmark features of the disease with a specific relevance for the disease progression as well as for the development of life-threatening cardiac arrhythmias. In addition, a number of studies have documented in heart failure the adverse prognostic role of the sympathetic and baroreflex alterations, which both are regarded as major independent determinants of cardiovascular morbidity and mortality. This represents the pathophysiological and clinical background for the use of carotid baroreceptor activation therapy in the treatment of congestive heart failure. Promising data collected in experimental animal models of heart failure have supported the recent performance of pilot small-scale clinical studies, aimed at providing initial information in this area. The results of these studies demonstrated the clinical safety and efficacy of the intervention which has been tested in large-scale clinical studies. The present paper will critically review the background and main results of the published studies designed at defining the clinical impact of baroreflex activation therapy in congestive heart failure patients. Emphasis will be given to the strengths and limitations of such studies, which represent the background for the ongoing clinical trials testing the long-term effects of the device in heart failure patients.


Assuntos
Barorreflexo/fisiologia , Terapia por Estimulação Elétrica , Insuficiência Cardíaca/fisiopatologia , Insuficiência Cardíaca/terapia , Hipertensão/fisiopatologia , Hipertensão/terapia , Animais , Arritmias Cardíacas/fisiopatologia , Modelos Animais de Doenças , Cães , Coração/fisiopatologia , Insuficiência Cardíaca/mortalidade , Hemodinâmica/fisiologia , Humanos , Hipertensão/mortalidade , Pressorreceptores/fisiopatologia , Ensaios Clínicos Controlados Aleatórios como Assunto , Taxa de Sobrevida , Sistema Nervoso Simpático/fisiopatologia
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