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1.
JMIR Res Protoc ; 13: e52616, 2024 Apr 08.
Artigo em Inglês | MEDLINE | ID: mdl-38588528

RESUMO

BACKGROUND: Heart failure (HF) is a leading cause of morbidity and mortality globally, with a high disease burden. The prevalence of HF in Ghana is increasing rapidly, but epidemiological profiles, treatment patterns, and survival data are scarce. The national capacity to diagnose and manage HF appropriately is also limited. To address the growing epidemic of HF, it is crucial to recognize the epidemiological characteristics and medium-term outcomes of HF in Ghana and improve the capability to identify and manage HF promptly and effectively at all levels of care. OBJECTIVE: This study aims to determine the epidemiological characteristics and medium-term HF outcomes in Ghana. METHODS: We conducted a prospective, multicenter, multilevel cross-sectional observational study of patients with HF from January to December 2023. Approximately 5000 patients presenting with HF to 9 hospitals, including teaching, regional, and municipal hospitals, will be recruited and evaluated according to a standardized protocol, including the use of an echocardiogram and an N-terminal pro-brain natriuretic peptide (NT-proBNP) test. Guideline-directed medical treatment of HF will be initiated for 6 months, and the medium-term outcomes of interventions, including rehospitalization and mortality, will be assessed. Patient data will be collated into a HF registry for continuous assessment and monitoring. RESULTS: This intervention will generate the necessary information on the etiology of HF, clinical presentations, the diagnostic yield of various tools, and management outcomes. In addition, it will build the necessary capacity and support for HF management in Ghana. As of July 30, 2023, the training and onboarding of all 9 centers had been completed. Preliminary analyses will be conducted by the end of the second quarter of 2024, and results are expected to be publicly available by the middle of 2024. CONCLUSIONS: This study will provide the necessary data on HF, which will inform decisions on the prevention and management of HF and form the basis for future research. TRIAL REGISTRATION: ISRCTN Registry (United Kingdom) ISRCTN18216214; https:www.isrctn.com/ISRCTN18216214. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/52616.

2.
Am J Prev Cardiol ; 18: 100670, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38655384

RESUMO

Objectives: Risk stratification is a cornerstone for preventing atherosclerotic cardiovascular disease (ASCVD). Ghana has yet to develop a locally derived and validated ASCVD risk model. A critical first step towards this goal is assessing how the commonly available risk models perform in the Ghanaian population. This study compares the agreement and correlation between four ASCVD risk assessment models commonly used in Ghana. Methods: The Ghana Heart Study collected data from four regions in Ghana (Ashanti, Greater Accra, Northern, and Central regions) and excluded people with a self-declared history of ASCVD. The 10-year fatal/non-fatal ASCVD risk of participants aged 40-74 was calculated using mobile-based apps for Pooled Cohort Equation (PCE), laboratory-based WHO/ISH CVD risk, laboratory-based Framingham risk (FRS), and Globorisk, categorizing them as low, intermediate, or high risk. The risk categories were compared using the Kappa statistic and Spearman correlation. Results: A total of 615 participants were included in this analysis (median age 55 [Inter quartile range 46, 64]) years with 365 (59.3 %) females. The WHO/ISH risk score categorized 504 (82.0 %), 58 (9.4 %), and 53 (8.6 %) as low-, intermediate-, and high-risk, respectively. The PCE categorized 345 (56.1 %), 181 (29.4 %), and 89 (14.5 %) as low-, intermediate- and high-risk, respectively. The Globorisk categorized 236 (38.4 %), 273 (44.4 %), and 106 (17.2 %) as low-, intermediate-, and high-risk, respectively. Significant differences in the risk categorization by region of residence and age group were noted. There was substantial agreement between the PCE vs FRS (Kappa = 0.8, 95 % CI 0.7 - 0.8), PCE vs Globorisk (Kappa = 0.6; 95 % CI 0.6 - 0.7), and FRS vs Globorisk (Kappa = 0.6; 95 % CI 0.6 - 0.7). However, there was only fair agreement between the WHO vs Globorisk (Kappa = 0.3; 95 % CI 0.3-0.4) and moderate agreement between the WHO vs PCE and WHO vs FRS. Conclusion: There are significant differences in the ASCVD risk prediction tools in the Ghanaian population, posing a threat to primary prevention. Therefore, there is a need for locally derived and validated tools.

3.
Clin Med Insights Case Rep ; 17: 11795476241231140, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38343492

RESUMO

Most individuals with ventricular septal defect survive to adulthood which allows time for other complications such as pulmonary arterial hypertension to gradually develop over a period of time. When there are other associated cardiac conditions that also contribute to the development of pulmonary hypertension such as valvular heart disease, the pulmonary hypertension may be exaggerated. Because these different etiologies of the pulmonary hypertension have different mechanisms, their coexistence can complicate patient management. We present a 26-year-old man with a large ventricular septal defect and rheumatic mitral valve disease who developed severe pulmonary hypertension that became complicated by atrial fibrillation and later sudden cardiac death.

4.
BMC Public Health ; 24(1): 194, 2024 01 16.
Artigo em Inglês | MEDLINE | ID: mdl-38229036

RESUMO

BACKGROUND: Lifestyle behavioural risk factors have been linked to increased cardiovascular disease. Recent data have shown increased atherosclerotic cardiovascular disease (ASCVD) burden in Ghana. This study aimed to describe the behavioural and nutritional risk factors for ASCVD among Ghanaians, and how these risk factors vary by ethnicity, demography and residence. METHODS: We used data from the Ghana Heart Study, a community-based cross-sectional study that recruited participants from eight communities from four regions using a multi-stage sampling technique. Information about various lifestyle behaviours (LBs), including cigarette smoking, alcohol intake, physical inactivity, and fruit and vegetable intake, was obtained using a questionnaire. Data was analysed using IBM SPSS statistics 25. Univariate and multivariate analysis was used to test associations between demographic characteristics and various LBs. RESULTS: The participants' median (interquartile) age was 46.0 (27.0) years. Of the 1,106 participants (58% females, 80.4% urban dwellers), 8.6% reported using tobacco, 48.9% alcohol, 83.7% physically inactive, 81.4% and 84.9% inadequate fruit and vegetable intake, respectively. Age, sex, ethnicity, and religion were associated with tobacco use, whereas age, sex, educational level, marital status, ethnicity, employment status, and region of residence were associated with physical inactivity. Similarly, ethnicity, employment status, and residence region were associated with inadequate fruit and vegetable intake. Rural dwellers were more likely to be physically inactive and consume inadequate fruits and vegetables. Almost 92% had a combination of two or more LBs. The main predictors of two or more LBs for ASCVD were educational level, marital status, ethnicity, and employment status. CONCLUSION: Lifestyle risk factors for ASCVD were highly prevalent in Ghana, with significant age, sex, ethnic, and regional differences. These risky lifestyle behaviors tend to occur together and must be considered in tailoring public health education. TRIAL REGISTRATION: The study was registered at http://www.chictr.org.cn as ChiCTR1800017374.


Assuntos
Doenças Cardiovasculares , Feminino , Humanos , Pessoa de Meia-Idade , Masculino , Gana/epidemiologia , Doenças Cardiovasculares/epidemiologia , Estudos Transversais , Fatores de Risco , Verduras
5.
Clin Med Insights Case Rep ; 16: 11795476231176713, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37255701

RESUMO

Atrial septal defect (ASD) is a common congenital anomaly that increases the risk of heart failure as well as strokes which can lead to cognitive impairment. The risk of stroke is higher when pulmonary hypertension develops and there is reversal of shunt. Stroke in ASD may be due to paradoxical emboli from the right heart or a left ventricular thrombus which develops as a result of atrial fibrillation, a common arrhythmia in ASD. We present a case of a 32-year-old Ghanaian man with history of ASD who presented with progressive memory loss with magnetic resonance imaging scan of the brain showing multiple infarcts, microvascular disease, and cerebral atrophy.

6.
Ann Afr Med ; 22(4): 440-445, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38358143

RESUMO

Background: Transthoracic echocardiography is a very helpful noninvasive cardiovascular imaging technique for the diagnosis and risk stratification in the management of patients with cardiovascular diseases. We aimed to review the clinical indications for transthoracic echocardiography and the confirmation rate of cardiovascular diseases by echocardiography at a specialist cardiac clinic in Ghana. Methods: Using a cross-sectional study design, the echocardiography reports of all patients above the age of 15 who were assessed at the clinic were analyzed. Data on patient demographics, clinical history, clinical indication for echocardiography, and the echocardiographic findings were analyzed using version 25.0 of the Statistical Package for Social Sciences (SPSS). Results: A total of 594 participants were studied. The age range of participants was 15-96 years, with a mean (± standard deviation) age of 53.72 (± 17.25) years. There were more females (50.17%) than males (49.83%). Most (54.21%) of the participants had echocardiography for cardiac evaluation. Other indications included hypertension/hypertensive heart disease (HHD) (n = 131; 22.06%), heart failure (n = 69; 11.62%), chest pains (n = 12; 2.02%), and valvular heart disease (VHD) (n = 11; 1.85%). Three hundred and eight-nine (70.30%) of the participants had their clinical diagnoses confirmed by echocardiography; echocardiographic confirmation rates for heart failure, VHD, and HHD were 92.75%, 90.91%, and 88.54%, respectively. Conclusion: Echocardiography showed high confirmation rates for our patients with heart failure, VHD, and HHD. Prompt usage of this noninvasive cardiovascular imaging for the initial evaluation of patients with cardiovascular diseases is highly recommended.


Résumé Contexte: L'échocardiographie transthoracique est une technique d'imagerie cardiovasculaire non invasive très utile pour le diagnostic et la stratification du risque dans la gestion des patients atteints de maladies cardiovasculaires. Notre objectif était d'examiner les indications cliniques de l'échocardiographie transthoracique et le taux de confirmation des maladies cardiovasculaires par échocardiographie dans une clinique spécialisée en cardiologie au Ghana. Méthodes: En utilisant un plan d'étude transversal, les rapports d'échocardiographie de tous les patients âgés de plus de 15 ans qui ont été évalués à la clinique ont été analysés. Les données sur les caractéristiques démographiques des patients, les antécédents cliniques, l'indication clinique de l'échocardiographie et les résultats de l'échocardiographie ont été analysés à l'aide de la version 25.0. ont été analysées à l'aide de la version 25.0 du Statistical Package for Social Sciences (SPSS). Résultats: Un total de 594 participants ont été étudiés. La tranche d'âge des participants était de 15 à 96 ans, avec un âge moyen (± écart-type) de 53,72 (± 17,25) ans. Il y avait plus de femmes (50,17 %) que d'hommes (49,83 %). La plupart (54,21 %) des participants ont subi une échocardiographie pour une évaluation cardiaque. Les autres indications comprenaient l'hypertension/la cardiopathie hypertensive (HHD) (n = 131 ; 22,06%), l'insuffisance cardiaque (n = 69 ; 11,62%), les douleurs thoraciques (n = 12 ; 2,02%), et cardiopathie valvulaire (VHD) (n = 11 ; 1,85 %). Le diagnostic clinique de trois cent huit-neuf (70,30 %) des participants a été confirmé par échocardiographie. confirmé par échocardiographie ; les taux de confirmation échocardiographique pour l'insuffisance cardiaque, la VHD et la HHD étaient de 92,75 %, 90,91 % et 88,54 %, respectivement. Conclusion: L'échocardiographie a montré des taux de confirmation élevés pour nos patients souffrant d'insuffisance cardiaque, de VHD et de HHD. L'utilisation rapide de cette technique cardiovasculaire non invasive L'utilisation rapide de cette imagerie cardiovasculaire non invasive pour l'évaluation initiale des patients atteints de maladies cardiovasculaires est fortement recommandée. Mots-clés: Maladies cardiovasculaires, échocardiographie, Ghana, indications, hypertension systémique.


Assuntos
Doenças Cardiovasculares , Insuficiência Cardíaca , Doenças das Valvas Cardíacas , Hipertensão , Masculino , Feminino , Humanos , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Doenças Cardiovasculares/diagnóstico por imagem , Doenças Cardiovasculares/epidemiologia , Gana/epidemiologia , Estudos Transversais , Ecocardiografia , Doenças das Valvas Cardíacas/diagnóstico
7.
Ann. afr. med ; 22(4): 440-445, 2023.
Artigo em Inglês | AIM (África) | ID: biblio-1537691

RESUMO

Background: Transthoracic echocardiography is a very helpful noninvasive cardiovascular imaging technique for the diagnosis and risk stratification in the management of patients with cardiovascular diseases. We aimed to review the clinical indications for transthoracic echocardiography and the confirmation rate of cardiovascular diseases by echocardiography at a specialist cardiac clinic in Ghana. Methods: Using a cross sectional study design, the echocardiography reports of all patients above the age of 15 who were assessed at the clinic were analyzed. Data on patient demographics, clinical history, clinical indication for echocardiography, and the echocardiographic findings were analyzed using version 25.0 of the Statistical Package for Social Sciences (SPSS). Results: A total of 594 participants were studied. The age range of participants was 15­96 years, with a mean (± standard deviation) age of 53.72 (± 17.25) years. There were more females (50.17%) than males (49.83%). Most (54.21%) of the participants had echocardiography for cardiac evaluation. Other indications included hypertension/hypertensive heart disease (HHD) (n = 131; 22.06%), heart failure (n = 69; 11.62%), chest pains (n = 12; 2.02%), and valvular heart disease (VHD) (n = 11; 1.85%). Three hundred and eight nine (70.30%) of the participants had their clinical diagnoses confirmed by echocardiography; echocardiographic confirmation rates for heart failure, VHD, and HHD were 92.75%, 90.91%, and 88.54%, respectively. Conclusion: Echocardiography showed high confirmation rates for our patients with heart failure, VHD, and HHD. Prompt usage of this noninvasive cardiovascular imaging for the initial evaluation of patients with cardiovascular diseases is highly recommended.


Assuntos
Doenças Cardiovasculares , Estudos Transversais
8.
Int J Gen Med ; 15: 5849-5859, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35791316

RESUMO

Purpose: This study determined electrocardiographic and echocardiographic abnormalities of people living with HIV (PLWHIV); comparing the findings of PLWHIV on HAART versus treatment naïve groups. Patients and Methods: In a prospective cross-sectional study, we recruited 157 PLWHIV on Highly Active Antiretroviral Therapy (HAART) and 28 HAART naïve PLWHIV. Clinical examination, electrocardiography and echocardiography were performed on study participants at the Komfo Anokye Teaching Hospital (KATH) in Kumasi, Ghana. Sociodemographic data and information about the use of HAART or otherwise was obtained. The Chi and Fisher Exact tests were used to find the significance of difference in proportions of abnormalities between PLWHIV on HAART and treatment naïve groups. Statistical analyses were performed on SPSS version 25.0 and GraphPad Prism version 8.0. P-values less than 0.05 were considered to be statistically significant. Results: Echocardiographic abnormalities in the HAART and treatment naïve groups were 54.1% and 60.7%, respectively. Electrographic abnormalities in the HAART and treatment naïve groups were 45.9% and 50%, respectively. Sinus bradycardia was the most prevalent ECG abnormality in the treatment naïve. Nonspecific T-wave changes (36.1%) and sinus tachycardia (30.6%) were the most common ECG abnormalities seen in HAART treated group. The common echocardiographic abnormalities were pulmonary hypertension (22.7%), pericardial effusion (22.2%) and left ventricular systolic dysfunction (17.8%). There was no significant difference in the proportions of echocardiographic abnormalities between PLWHIV on HAART and the treatment naïve groups (p > 0.05). Conclusion: Cardiac abnormalities are common in PLWHIV regardless of treatment with HAART. Echocardiographic and electrographic assessments are highly recommended for all PLWHIV.

9.
J Am Heart Assoc ; 9(24): e017492, 2020 12 15.
Artigo em Inglês | MEDLINE | ID: mdl-33283559

RESUMO

Background Although sub-Saharan Africa has a high prevalence of cardiovascular diseases (CVDs), there remains a lack of systematic and comprehensive assessment of risk factors and early CVD outcomes in adults in sub-Saharan Africa. Methods and Results Using a stratified multistage random sampling method, we recruited 1106 men and women, aged >18 years, from the general population in Ghana to participate in a national health survey from 2016 to 2017. In Ghanaian adults, the age-standardized prevalence of known CVD risk factors was 15.1% (95% CI, 12.9%-17.3%) for obesity, 6.8% (95% CI, 5.1%-8.5%) for diabetes mellitus, 26.1% (95% CI, 22.9%-29.4%) for hypertension, and 9.3% (95% CI, 7.1%-11.5%) for hyperuricemia. In addition, 10.1% (95% CI, 7.0%-13.2%) of adults had peripheral artery disease, 8.3% (95% CI, 6.7%-10.0%) had carotid thickening, 4.1% (95% CI, 2.9%-5.2%) had left ventricular hypertrophy, and 2.5% (95% CI, 1.5%-3.4%) had chronic kidney disease. Three CVD risk factors appeared to play prominent roles in the development of target organ damage, including obesity for peripheral artery disease (odds ratio [OR], 2.22; 95% CI, 1.35-3.63), hypertension for carotid thickening (OR, 1.92; 95% CI, 1.22-3.08), and left ventricular hypertrophy (OR, 5.28; 95% CI, 2.55-12.11) and hyperuricemia for chronic kidney disease (OR, 5.49; 95% CI, 2.84-10.65). Conclusions This comprehensive health survey characterized the baseline conditions of a national cohort of adults while confirming the prevalence of CVD risk factors, and early CVD outcomes have reached epidemic proportions in Ghana. The distinct patterns of risk factors in the development of target organ damage present important challenges and opportunities for interventions to improve cardiometabolic health among adults in Ghana.


Assuntos
Fatores de Risco Cardiometabólico , Doenças Cardiovasculares/epidemiologia , Inquéritos Epidemiológicos/métodos , Insuficiência de Múltiplos Órgãos/epidemiologia , Adulto , Estudos de Casos e Controles , Estudos Transversais , Diabetes Mellitus/epidemiologia , Feminino , Gana/epidemiologia , Humanos , Hipertensão/epidemiologia , Hiperuricemia/epidemiologia , Masculino , Pessoa de Meia-Idade , Obesidade/epidemiologia , Prevalência , Insuficiência Renal Crônica/epidemiologia , Fatores de Risco
10.
Clin Med Insights Circ Respir Pulm Med ; 14: 1179548420956364, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33117036

RESUMO

BACKGROUND: There is a dearth of publications on the prevalence of venous thromboembolism in Ghana. Knowledge of the prevalence of venous thromboembolism, which is often undetected clinically, will help save lives as appropriate interventions can be made as well as provide a general clue to clinicians on detecting venous thromboembolism and pulmonary embolism. METHODS: The study employs a retrospective design with data extracted from the Autopsy Daybook of the Pathology unit, Komfo Anokye Teaching Hospital, 2009 to 2016. Data on patients' demographics were retrieved to establish diagnoses and age and gender distribution. Analysis was made of pulmonary embolism and deep vein thrombosis as a cause of death recorded on death certificates using the criteria of the International Classification of Diseases, version 10. RESULTS: A total of 150 cases of deep vein thrombosis and/or pulmonary embolism were available for the study period and the results showed an average age of 45.3 years with a standard deviation of 19.96. The ages ranged between 3 years and 96 years with the age group 31 to 40 years being the modal age group. Males recorded the highest number of cases with 92 (59.35%) compared to females with 63 (40.65%). Respiratory disorders, of which pneumonia is the most prevalent, are the leading clinical condition that is often misdiagnosed in place of pulmonary thromboembolism. CONCLUSION: VTE is a major health problem especially among the elderly, but unfortunately the clinical diagnosis is usually missed by clinicians hence the need to maintain a high suspicion index.

11.
J Clin Hypertens (Greenwich) ; 22(4): 605-613, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-32049428

RESUMO

Ambulatory blood pressure monitoring (ABPM) is considered a good intervention strategy to avoid misdiagnosis of hypertension and allow for targeted treatment of patients with hypertension. This study sought to assess the contribution of ABPM to blood pressure (BP) control and antihypertensive therapy at a cardiac clinic in Ghana. Medical records of 97 patients, aged 18-85 years (mean 55), were reviewed. Among patients with clinic BP (CBP) and ambulatory BP recorded on the same day, we assessed for the different hypertension phenotypes, CBP control 6 months following ABPM, and changes to antihypertensive therapy after review of the ABPM records in patients with controlled and uncontrolled ambulatory BP. From the clinic and ambulatory BP records measured at baseline, the proportion of patients with white-coat uncontrolled hypertension (WUCH) was 19.5% (17/87) and those with masked uncontrolled hypertension (MUCH) was 16.1% (n = 14). A significant reduction in average systolic CBP in the overall cohort (-6.2 mm Hg, P < .01) and in the uncontrolled subgroup (-8.8 mm Hg, P < .001) at follow-up was observed. After review of the ABPM records, 51.7% of the patients on treatment had changes made in their antihypertensive therapy. Antihypertensive therapy was deintensified or left unchanged in majority of the patients with WUCH and sustained controlled hypertension. In patients with MUCH and true uncontrolled hypertension (TUCH), therapy was intensified. In conclusion, ABPM improved clinical decision-making for antihypertensive therapy and BP control. ABPM should therefore be used more often in hypertension and cardiac clinics in low/middle-income countries for optimal care.


Assuntos
Hipertensão , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Anti-Hipertensivos/farmacologia , Anti-Hipertensivos/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos , Monitorização Ambulatorial da Pressão Arterial , Gana/epidemiologia , Humanos , Hipertensão/diagnóstico , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Pessoa de Meia-Idade , Adulto Jovem
12.
Vasc Health Risk Manag ; 14: 75-80, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29765227

RESUMO

BACKGROUND: Distribution of coronary artery calcium (CAC) has been determined in different heterogeneous populations in the Multi-Ethnic Study of Atherosclerosis (MESA). Based on findings showing that geography and culture can influence CAC scoring beyond traditional race groups, we determined the distribution of CAC in a homogenous black African population to provide an initial basis for a larger CAC score study in Africa. METHODS AND RESULTS: This is a preliminary study using computed tomography to determine the CAC scores within a black African population who were referred to our center. Other information on patients were recorded through a combination of one-on-one interviews and medical records. A total of 170 patients were involved in our study, including 60.6% males, with an average age of 53.9 ± 9.2 years. The majority (78.8%) had a zero calcium score, with patients within the age group of 55-64 years dominating the non-zero calcium score population. Males were found to have higher calcium levels compared to females, and coronary artery calcification and prevalence steadily rose with the increasing age. However, P-values of 0.328 and <0.001 were observed with distribution of CAC according to gender and age, respectively. CONCLUSION: Findings from this study showed that the distribution of CAC was markedly affected by the age of our study population, which will be more apparent in a larger study.


Assuntos
População Negra , Doença da Artéria Coronariana/etnologia , Calcificação Vascular/etnologia , Adulto , Distribuição por Idade , Idoso , Idoso de 80 Anos ou mais , Comorbidade , Angiografia por Tomografia Computadorizada , Angiografia Coronária/métodos , Doença da Artéria Coronariana/diagnóstico por imagem , Feminino , Gana/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Tomografia Computadorizada Multidetectores , Dados Preliminares , Prevalência , Fatores de Risco , Índice de Gravidade de Doença , Distribuição por Sexo , Calcificação Vascular/diagnóstico por imagem
13.
J Am Heart Assoc ; 6(4)2017 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-28365564

RESUMO

BACKGROUND: Randomized control trials of statins have not demonstrated significant benefits in outcomes of heart failure (HF). However, randomized control trials may not always be generalizable. The aim was to determine whether statin and statin type-lipophilic or -hydrophilic improve long-term outcomes in Africans with HF. METHODS AND RESULTS: This was a retrospective longitudinal study of HF patients aged ≥18 years hospitalized at a tertiary healthcare center between January 1, 2009 and December 31, 2013 in Ghana. Patients were eligible if they were discharged from first admission for HF (index admission) and followed up to time of all-cause, cardiovascular, and HF mortality or end of study. Multivariable time-dependent Cox model and inverse-probability-of-treatment weighting of marginal structural model were used to estimate associations between statin treatment and outcomes. Adjusted hazard ratios were also estimated for lipophilic and hydrophilic statin compared with no statin use. The study included 1488 patients (mean age 60.3±14.2 years) with 9306 person-years of observation. Using the time-dependent Cox model, the 5-year adjusted hazard ratios with 95% CI for statin treatment on all-cause, cardiovascular, and HF mortality were 0.68 (0.55-0.83), 0.67 (0.54-0.82), and 0.63 (0.51-0.79), respectively. Use of inverse-probability-of-treatment weighting resulted in estimates of 0.79 (0.65-0.96), 0.77 (0.63-0.96), and 0.77 (0.61-0.95) for statin treatment on all-cause, cardiovascular, and HF mortality, respectively, compared with no statin use. CONCLUSIONS: Among Africans with HF, statin treatment was associated with significant reduction in mortality.


Assuntos
Insuficiência Cardíaca/tratamento farmacológico , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Idoso , Atorvastatina/química , Atorvastatina/uso terapêutico , Fibrilação Atrial/epidemiologia , População Negra , Cardiomiopatia Dilatada/epidemiologia , Doenças Cardiovasculares/mortalidade , Causas de Morte , Comorbidade , Doença da Artéria Coronariana/epidemiologia , Diabetes Mellitus/epidemiologia , Ácidos Graxos Monoinsaturados/química , Ácidos Graxos Monoinsaturados/uso terapêutico , Fluvastatina , Gana/epidemiologia , Insuficiência Cardíaca/epidemiologia , Insuficiência Cardíaca/mortalidade , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/química , Hipertensão/epidemiologia , Indóis/química , Indóis/uso terapêutico , Estimativa de Kaplan-Meier , Estudos Longitudinais , Pessoa de Meia-Idade , Mortalidade , Análise Multivariada , Probabilidade , Modelos de Riscos Proporcionais , Insuficiência Renal Crônica/epidemiologia , Estudos Retrospectivos , Rosuvastatina Cálcica/química , Rosuvastatina Cálcica/uso terapêutico , Sinvastatina/química , Sinvastatina/uso terapêutico , Resultado do Tratamento
14.
Int J Cardiol ; 238: 128-135, 2017 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-28318656

RESUMO

BACKGROUND: Mortality associated with heart failure (HF) remains high. There are limited clinical data on mortality among HF patients from African populations. We examined the clinical characteristics, long-term outcomes, and prognostic factors of African HF patients with preserved, mid-range or reduced left ventricular ejection fraction (LVEF). METHODS AND RESULTS: We conducted a retrospective longitudinal cohort study of individuals aged ≥18years discharged from first HF admission between January 1, 2009 and December 31, 2013 from the Cardiac Clinic, Directorate of Medicine of the Komfo Anokye Teaching Hospital, Ghana. A total of 1488 patients diagnosed of HF were included in the analysis. Of these, 345 patients (23.2%) had reduced LVEF (LVEF<40%) [HFrEF], 265(17.8%) with mid-range LVEF (40%≥LVEF<50%) [HFmEF] and 878 (59.0%) had preserved LVEF (LVEF≥50%) [HFpEF]. Kaplan-Meier curves and log-rank test demonstrated better prognosis for HFpEF compared to HFrEF and HFmEF patients. An adjusted Cox analysis showed a significantly lower risk of mortality for HFpEF (hazard ratio (HR); 0.74; 95% confidence interval (CI) 0.57-0.94) p=0.015). Multivariate analyses showed that age, higher New York Heart Association (NYHA) functional class, lower LVEF, chronic kidney disease, atrial fibrillation, anemia, diabetes mellitus and absence of statin and aldosterone antagonist treatment were independent predictors of mortality in HF. Although, prognostic factors varied across the three groups, age was a common predictor of mortality in HFpEF and HFmEF. CONCLUSIONS: This study identified the clinical characteristics, long-term mortality and prognostic factors of African HF patients with reduced, mid-range and preserved ejection fractions in a clinical setting.


Assuntos
Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/epidemiologia , Admissão do Paciente/tendências , Adulto , África Subsaariana/epidemiologia , Idoso , Estudos de Coortes , Feminino , Seguimentos , Gana/epidemiologia , Insuficiência Cardíaca/fisiopatologia , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Retrospectivos , Volume Sistólico/fisiologia , Fatores de Tempo
15.
Ther Clin Risk Manag ; 12: 887-906, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27350750

RESUMO

Heart failure (HF) is a major public health priority due to its epidemiological transition and the world's aging population. HF is typified by continuous loss of contractile function with reduced, normal, or preserved ejection fraction, elevated vascular resistance, fluid and autonomic imbalance, and ventricular dilatation. Despite considerable advances in the treatment of HF over the past few decades, mortality remains substantial. Pharmacological treatments including ß-blockers, angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, and aldosterone antagonists have been proven to prolong the survival of patients with HF. However, there are still instances where patients remain symptomatic, despite optimal use of existing therapeutic agents. This understanding that patients with chronic HF progress into advanced stages despite receiving optimal treatment has increased the quest for alternatives, exploring the roles of additional pathways that contribute to the development and progression of HF. Several pharmacological targets associated with pathogenesis of HF have been identified and novel therapies have emerged. In this work, we review recent evidence from proposed mechanisms to the outcomes of experimental and clinical studies of the novel pharmacological agents that have emerged for the treatment of HF.

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