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3.
JAMA Netw Open ; 7(5): e2410063, 2024 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-38728033

RESUMO

Importance: Patient empowerment through pharmacologic self-management is a common strategy for some chronic diseases such as diabetes, but it is rarely used for controlling blood pressure (BP). Several trials have shown its potential for reducing BP in the short term, but evidence in the longer term is scarce. Objective: To evaluate the longer-term effectiveness of BP self-monitoring plus self-titration of antihypertensive medication vs usual care for patients with poorly controlled hypertension, with passive follow-up and primary-care nursing involvement. Design, Setting, and Participants: The ADAMPA (Impact of Self-Monitoring of Blood Pressure and Self-Titration of Medication in the Control of Hypertension) study was a randomized, unblinded clinical trial with 2 parallel arms conducted in Valencia, Spain. Included participants were patients 40 years or older, with systolic BP (SBP) over 145 mm Hg and/or diastolic BP (DBP) over 90 mm Hg, recruited from July 21, 2017, to June 30, 2018 (study completion, August 25, 2020). Statistical analysis was conducted on an intention-to-treat basis from August 2022 to February 2024. Interventions: Participants were randomized 1:1 to usual care vs an individualized, prearranged plan based on BP self-monitoring plus medication self-titration. Main Outcomes and Measures: The main outome was the adjusted mean difference (AMD) in SBP between groups at 24 months of follow-up. Secondary outcomes were the AMD in DBP between groups at 24 months of follow-up, proportion of patients reaching the BP target (SBP <140 mm Hg and DBP <90 mm Hg), change in behaviors, quality of life, health service use, and adverse events. Results: Among 312 patients included in main trial, data on BP measurements at 24 months were available for 219 patients (111 in the intervention group and 108 in the control group). The mean (SD) age was 64.3 (10.1) years, and 120 patients (54.8%) were female; the mean (SD) SBP was 155.6 (13.1) mm Hg, and the mean (SD) diastolic BP was 90.8 (7.7) mm Hg. The median follow-up was 23.8 months (IQR, 19.8-24.5 months). The AMD in SBP at the end of follow-up was -3.4 mm Hg (95% CI, -4.7 to -2.1 mm Hg; P < .001), and the AMD in DBP was -2.5 mm Hg (95% CI, -3.5 to -1.6 mm Hg; P < .001). Subgroup analysis for the main outcome showed consistent results. Sensitivity analyses confirmed the robustness of the main findings. No differences were observed between groups in behaviors, quality of life, use of health services, or adverse events. Conclusions and Relevance: In this secondary analysis of a randomized clinical trial, BP self-monitoring plus self-titration of antihypertensive medication based on an individualized prearranged plan used in primary care reduced BP in the longer term with passive follow-up compared with usual care, without increasing health care use or adverse events. These results suggest that simple, inexpensive, and easy-to-implement self-management interventions have the potential to improve the long-term control of hypertension in routine clinical practice. Trial Registration: ClinicalTrials.gov Identifier: NCT03242785.


Assuntos
Anti-Hipertensivos , Monitorização Ambulatorial da Pressão Arterial , Hipertensão , Humanos , Feminino , Hipertensão/tratamento farmacológico , Masculino , Pessoa de Meia-Idade , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/administração & dosagem , Monitorização Ambulatorial da Pressão Arterial/métodos , Idoso , Espanha , Pressão Sanguínea/efeitos dos fármacos , Autocuidado/métodos
4.
J Pharm Biomed Anal ; 245: 116194, 2024 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-38704878

RESUMO

A miniature mass spectrometer (mMS) based point-of-care testing (POCT) method was evaluated for on-site detecting the hypertension drugs, amlodipine and benazepril. The instrument parameters, including voltage, ISO1, ISO2, and CID, were optimized, under which the target compounds could be well detected in MS2. When these two drugs were injected simultaneously, the mutual ionization inhibition and mutual reduction between amlodipine and benazepril were evaluated. This phenomenon was severe on the precursor ions but had a small impact on the product ions, thus making this POCT method suitable for analysis using product ions. Finally, the method was validated and applied. The blood samples from patients were tested one hour after oral administration of the drugs (20 mg), and the benazepril was quantitatively analyzed using a standard curve, with detected concentrations ranging from 190.6 to 210 µg L-1 and a relative standard deviation (RSD) of 8.6 %. In summary, amlodipine has low sensitivity and can only be detected at higher concentrations, while benazepril has high sensitivity, good linearity, and even meets semi-quantitative requirements. The research results of this study are of great clinical significance for monitoring blood drug concentrations during hypertension medication, predicting drug efficacy, and customizing individualized medication plans.


Assuntos
Anlodipino , Anti-Hipertensivos , Benzazepinas , Anlodipino/sangue , Humanos , Benzazepinas/sangue , Anti-Hipertensivos/sangue , Anti-Hipertensivos/administração & dosagem , Espectrometria de Massas/métodos , Testes Imediatos , Reprodutibilidade dos Testes , Limite de Detecção , Sistemas Automatizados de Assistência Junto ao Leito
7.
AAPS PharmSciTech ; 25(5): 115, 2024 May 16.
Artigo em Inglês | MEDLINE | ID: mdl-38755324

RESUMO

More than 1 billion people worldwide suffer from hypertension; therefore, hypertension management has been categorized as a global health priority. Losartan potassium (LP) is an antihypertensive drug with a limited oral bioavailability of about 33% since it undergoes the initial metabolic cycle. Thus, nasal administration is a unique route to overcome first-pass metabolism. The investigation focused on the potential effects of LP-loaded spanlastic vesicles (SNVs) on LP pharmacodynamics and pharmacokinetic parameters, utilizing a thin-film hydration methodology established on a 3122 full factorial design. Entrapment efficiency (EE%) ranged from 39.8 ± 3.87.8 to 83.8 ± 2.92% for LP-SNVs. Vesicle size (VS) varied from 205.5 ± 6.5.10 to 445.1 ± 13.52 nm, and the percentage of LP released after 8 h (Q8h) ranged from 30.8 ± 3.10 to 68.8 ± 1.45%. LP permeated through the nasal mucosa during 24 h and flocculated from 194.1 ± 4.90 to 435.3 ± 13.53 µg/cm2. After twenty-four hours, the optimal LP-SNVs in-situ gel showed 2.35 times more permeation through the nasal mucosa than the LP solution. It also lowered systolic blood pressure, so it is thought to be better than the reference formulation in terms of pharmacodynamics. The pharmacokinetics studies demonstrated that the intranasal LP-SNVs gel boosted its bioavailability approximately 6.36 times compared to the oral LP solution. Our research showed that intranasal LP-SNVs could be a good nanoplatform because they are well-tolerated and have possible pharmacokinetics and pharmacodynamics.


Assuntos
Anti-Hipertensivos , Géis , Hipertensão , Losartan , Losartan/farmacocinética , Losartan/administração & dosagem , Losartan/farmacologia , Anti-Hipertensivos/farmacocinética , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/farmacologia , Animais , Hipertensão/tratamento farmacológico , Masculino , Ratos , Disponibilidade Biológica , Administração Intranasal , Nanopartículas/química , Mucosa Nasal/metabolismo , Mucosa Nasal/efeitos dos fármacos , Tamanho da Partícula , Angiotensina II/farmacocinética , Angiotensina II/administração & dosagem , Angiotensina II/farmacologia , Pressão Sanguínea/efeitos dos fármacos , Ratos Wistar , Química Farmacêutica/métodos
9.
Vestn Oftalmol ; 140(2. Vyp. 2): 73-79, 2024.
Artigo em Russo | MEDLINE | ID: mdl-38739134

RESUMO

The management protocol for patients with neovascular age-related macular degeneration (nAMD) involves multiple intravitreal injections (IVI) of anti-VEGF drugs. The ability to reduce the peak intraocular pressure (IOP) rise is greatly important in clinical practice. PURPOSE: This study evaluates the effect of topical hypotensive drugs on the short-term IOP rise after IVI of anti-VEGF drugs in patients with nAMD. MATERIAL AND METHODS: The prospective study included 80 patients with newly diagnosed nAMD. Before the start of treatment, the patients were divided into 4 groups of 20 people each: 1st - controls, who received no prophylactic drugs, in the 2nd, 3rd and 4th groups local instillations of one drop of hypotensive drugs brinzolamide 1%, brinzolamide-timolol, brimonidine-timolol were performed in the conjunctival sac twice: 1 day before the injection (at 20:00) and on the day of the injection 2 hours before the manipulation (at 08:00), respectively. IOP was measured in each patient using ICare Pro non-contact tonometer before injection, as well as 1 min, 30 and 60 min after injection. RESULTS: Prophylactic use of hypotensive drugs was associated with a significant decrease in IOP immediately after IVI compared to the same parameter in the 1st group (p<0.001), the maximum decrease in IOP values was observed when using a fixed combination of brimonidine-timolol by 12.1 mm Hg compared to the controls (p<0.001), the combination of brinzolamide-timolol reduced IOP by 8.5 mm Hg (p<0.001), brinzolamide 1% led to the smallest decrease in IOP - by 5.1 mm Hg (p<0.001). CONCLUSION: Study patients that received instillations of brimonidine-timolol combination of one drop into the conjunctival sac 1 day before the injection and on the day of the injection showed the maximum decrease in IOP compared to patients of the other groups.


Assuntos
Inibidores da Angiogênese , Pressão Intraocular , Injeções Intravítreas , Hipertensão Ocular , Sulfonamidas , Humanos , Masculino , Feminino , Idoso , Pressão Intraocular/efeitos dos fármacos , Hipertensão Ocular/prevenção & controle , Hipertensão Ocular/tratamento farmacológico , Hipertensão Ocular/fisiopatologia , Inibidores da Angiogênese/administração & dosagem , Estudos Prospectivos , Sulfonamidas/administração & dosagem , Resultado do Tratamento , Anti-Hipertensivos/administração & dosagem , Fator A de Crescimento do Endotélio Vascular/antagonistas & inibidores , Tonometria Ocular/métodos , Pessoa de Meia-Idade , Timolol/administração & dosagem , Tartarato de Brimonidina/administração & dosagem , Soluções Oftálmicas/administração & dosagem , Tiazinas/administração & dosagem , Degeneração Macular/tratamento farmacológico , Degeneração Macular/diagnóstico
10.
Kobe J Med Sci ; 70(1): E22-E25, 2024 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-38644297

RESUMO

Hemolysis, elevated liver enzyme levels, and low platelet count (HELLP) syndrome is one of the most severe complications of hypertensive disorders of pregnancy. HELLP syndrome occurring before 22 gestational weeks (GWs) is extremely rare, and patients prevalently exhibit underlying maternal diseases or fetal abnormalities. Here, we report the case of a pregnant woman who had HELLP syndrome at 20 GWs without any obvious underlying maternal diseases or fetal abnormalities. A 38-year-old pregnant woman was referred to Kobe University Hospital from another hospital at 19 + 5/7 GWs for hypertension, proteinuria, generalized edema, and fetal growth restriction. She was diagnosed with partial HELLP syndrome according to the Mississippi classification at 20 + 2/7 GWs. The patient was managed following the Mississippi protocol, including intravenous dexamethasone, magnesium sulfate, and antihypertensive drugs. She received intensive blood pressure and laboratory data monitoring using an arterial line and additional treatments, including platelet transfusion, intravenous haptoglobin infusion, and human atrial natriuretic peptide. The pregnancy ended in an induced delivery at 20 + 3/7 GWs, and she was discharged without complications 10 days postnatal. We performed laboratory tests for diagnosing underlying diseases but identified no obvious underlying diseases. This report indicates that early and intensive treatment of patients with HELLP syndrome occurring before 22 GWs according to the Mississippi protocol may enable clinicians to complete pregnancy termination without maternal complications and provide useful information to clinical practitioners in perinatal medicine.


Assuntos
Síndrome HELLP , Sulfato de Magnésio , Adulto , Feminino , Humanos , Gravidez , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/administração & dosagem , Dexametasona/uso terapêutico , Dexametasona/administração & dosagem , Síndrome HELLP/diagnóstico , Síndrome HELLP/terapia , Sulfato de Magnésio/uso terapêutico , Sulfato de Magnésio/administração & dosagem , Segundo Trimestre da Gravidez
11.
Int J Cardiol ; 406: 132003, 2024 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-38561109

RESUMO

Quality of life of patients suffering from chronic diseases is inevitably conditioned by the number of pills taken during the day. To improve patients' tolerability, compliance and quality of life and reduce healthcare costs, pharmaceutical companies are focusing on the commercialization of fixed-dose combination (FDC) therapies. The last ESC/ERS guidelines for the treatment of pulmonary arterial hypertension (PAH) recommend initial dual combination therapy for newly diagnosed patients at low or intermediate mortality risk. In this regard, polypills including an endothelin receptor antagonist (ERA) and a phosphodiesterase 5 inhibitor (PDE5-i) could represent an useful therapeutic strategy, although with some limitations. To date, evidence about the use of FDCs in PAH is limited but future studies evaluating their safety and efficacy are welcome.


Assuntos
Anti-Hipertensivos , Combinação de Medicamentos , Hipertensão Arterial Pulmonar , Humanos , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/uso terapêutico , Hipertensão Arterial Pulmonar/tratamento farmacológico , Antagonistas dos Receptores de Endotelina/administração & dosagem , Inibidores da Fosfodiesterase 5/administração & dosagem , Quimioterapia Combinada , Hipertensão Pulmonar/tratamento farmacológico , Qualidade de Vida , Resultado do Tratamento
12.
Blood Press ; 33(1): 2345887, 2024 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38680045

RESUMO

PURPOSE: In a prospective open study, with intervention, conducted in Primary Health Care Units by General Practitioners (GPs) in Portugal, the effectiveness of a single pill of candesartan/amlodipine (ARB/amlodipine), as the only anti-hypertension (anti-HTN) medication, in adult patients with uncontrolled HTN (BP > 140/or > 90 mm Hg), either previously being treated with anti-HTN monotherapies (Group I), or combinations with hydrochlorothiazide (HCTZ) (Group II), or not receiving medication at all (Group III), was evaluated across 12-weeks after implementation of the new therapeutic measure. MATERIALS AND METHODS: A total of 118 GPs recruited patients with uncontrolled HTN who met inclusion/exclusion criteria. Participants were assigned, according to severity, one of 3 (morning) fixed combination candesartan/amlodipine dosage (8/5 or 16/5 or 16/10 mg/day) and longitudinally evaluated in 3 visits (v0, v6 and v12 weeks). Office blood pressure was measured in each visit, and control of HTN was defined per guidelines (BP< 140/90 mmHg). RESULTS: Of the 1234 patients approached, 752 (age 61 ± 10 years, 52% women) participated in the study and were assigned to groups according to previous treatment conditions. The 3 groups exhibited a statistically significant increased control of blood pressure after receiving the fixed combination candesartan/amlodipine dosage. The overall proportion of controlled HTN participants increased from 0,8% at v0 to 82% at v12. The mean arterial blood pressure values decreased from SBP= 159.0 (± 13.0) and DBP= 91.1 (± 9.6) at baseline to SBP= 132,1 (± 11.3) and DBP= 77,5 (± 8.8) at 12 weeks (p < 0.01). Results remained consistent when controlling for age and sex. CONCLUSION: In patients with uncontrolled HTN, therapeutic measures in accordance with guidelines, with a fixed combination candesartan/amlodipine, allowed to overall achieve HTN control at 12 weeks in 82% of previously uncontrolled HTN patients, reinforcing the advantages of these strategies in primary clinical practice.


What is the context?Arterial hypertension (HTN) represents the main risk factor for cause of death from cardiovascular disease (CV). Adequate control of hypertension reduces CV risk and significantly prevents CV events and associated morbidity and mortality. This requires patients' adherence and persistence in implemented treatment and the achievement of tension targets that are related to the reduction of CV risk. The latest international recommendations indicate that hypertension control is insufficient in most countries. In Portugal, hypertension control is <43% and a significant number of patients treated do not comply with the recommendations.What is new?In a prospective, interventional, and multicentre study, carried out by General Practitioners (GPs) in Primary Health Care Units across Portugal, the objective was to determine (i) whether the presence of uncontrolled hypertension results from non-compliance with the provisions of the recommendations and the Integrated Care Process (PAI) of the Direção Geral de Saúde (DGS), i.e. inappropriate use of monotherapies or inadequate low doses of combinations of antihypertensives, and (ii) whether the adjustment of hypertension therapies, favouring the schemes provided in the recommendations, allows adequate control of arterial hypertension, in previously uncontrolled patients, when these are closely monitored in a 12-week time period.What is the impact?When the guidelines' therapeutic protocol is followed, as established for each identified group of patients (monotherapy, hydrochlorothiazide, and no medication), results indicate a marked and statistically significant improvements in both SBP and DBP values and hypertension control across time.


Assuntos
Anti-Hipertensivos , Compostos de Bifenilo , Hipertensão , Atenção Primária à Saúde , Humanos , Hipertensão/tratamento farmacológico , Feminino , Masculino , Pessoa de Meia-Idade , Idoso , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/administração & dosagem , Compostos de Bifenilo/uso terapêutico , Estudos Prospectivos , Portugal , Tetrazóis/uso terapêutico , Tetrazóis/administração & dosagem , Benzimidazóis/uso terapêutico , Anlodipino/uso terapêutico , Anlodipino/administração & dosagem , Guias de Prática Clínica como Assunto , Médicos de Família , Pressão Sanguínea/efeitos dos fármacos , Adulto
13.
Biomed Pharmacother ; 174: 116541, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38565063

RESUMO

BACKGROUND: Hypertension, a highly prevalent chronic disease, is known to inflict severe damage upon blood vessels. In our previous study, isoliensinine, a kind of bibenzyl isoquinoline alkaloid which isolated from a TCM named Lotus Plumule (Nelumbo nucifera Gaertn), exhibits antihypertensive and vascular smooth muscle proliferation-inhibiting effects, but its application is limited due to poor water solubility and low bioavailability. In this study, we proposed to prepare isoliensinine loaded by PEG-PLGA polymer nanoparticles to increase its efficacy METHOD: We synthesized and thoroughly characterized PEG-PLGA nanoparticles loaded with isoliensinine using a nanoprecipitation method, denoted as, PEG-PLGA@Isoliensinine. Additionally, we conducted comprehensive investigations into the stability of PEG-PLGA@Isoliensinine, in vitro drug release profiles, and in vivo pharmacokinetics. Furthermore, we assessed the antihypertensive efficacy of this nano-system through in vitro experiments on A7R5 cells and in vivo studies using AngII-induced mice. RESULT: The findings reveal that PEG-PLGA@Isoliensinine significantly improves isoliensinine absorption by A7R5 cells and enhances targeted in vivo distribution. This translates to a more effective reduction of AngII-induced hypertension and vascular smooth muscle proliferation. CONCLUSION: In this study, we successfully prepared PEG-PLGA@Isoliensinine by nano-precipitation, and we confirmed that PEG-PLGA@Isoliensinine surpasses free isoliensinine in its effectiveness for the treatment of hypertension, as demonstrated through both in vivo and in vitro experiments. SIGNIFICANCE: This study lays the foundation for isoliensinine's clinical use in hypertension treatment and vascular lesion protection, offering new insights for enhancing the bioavailability of traditional Chinese medicine components. Importantly, no toxicity was observed, affirming the successful implementation of this innovative drug delivery system in vivo and offers a promising strategy for enhancing the effectiveness of Isoliensinine and propose an innovative avenue for developing novel formulations of traditional Chinese medicine monomers.


Assuntos
Anti-Hipertensivos , Liberação Controlada de Fármacos , Hipertensão , Isoquinolinas , Polietilenoglicóis , Animais , Hipertensão/tratamento farmacológico , Polietilenoglicóis/química , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/farmacologia , Anti-Hipertensivos/química , Anti-Hipertensivos/farmacocinética , Masculino , Isoquinolinas/farmacologia , Isoquinolinas/administração & dosagem , Isoquinolinas/química , Isoquinolinas/farmacocinética , Ratos , Camundongos , Nanopartículas/química , Linhagem Celular , Sistemas de Liberação de Fármacos por Nanopartículas/química , Ratos Sprague-Dawley , Portadores de Fármacos/química , Pressão Sanguínea/efeitos dos fármacos , Poliésteres/química
14.
J Am Heart Assoc ; 13(9): e033780, 2024 May 07.
Artigo em Inglês | MEDLINE | ID: mdl-38686894

RESUMO

BACKGROUND: Hypertension and hypercholesterolemia are important risk factors for cardiovascular disease, and treatment with fixed-dose combination (FDC) regimens is recommended by current guidelines. However, the clinical outcomes of different FDC dosages remain unknown. This study aimed to examine the clinical outcomes of FDC regimens and the free combination of amlodipine and atorvastatin at different dosages. METHODS AND RESULTS: Patients with concurrent hypertension and hypercholesterolemia treated daily with an FDC of 5 mg amlodipine and 10 mg atorvastatin (5/10 fixed group), and FDC of 5 mg amlodipine and 20 mg atorvastatin (5/20 fixed group), or free combination of 5 mg amlodipine and 20 mg atorvastatin (5/20 free group) were identified from the National Health Insurance Research Database of Taiwan. The primary outcome was the composite cardiovascular outcomes, including cardiovascular death, acute myocardial infarction, stroke, and coronary intervention. A total of 9095 patients were eligible for inclusion. The incidence of primary outcome per 1000 person-years was 16.6 in the 5/10 fixed group, 12.6 in the 5/20 fixed group, and 16.5 in the 5/20 free group (5/20 fixed versus 5/20 free: hazard ratio [HR], 0.76 [95% CI, 0.64-0.91]; 5/20 fixed versus 5/10 fixed: HR, 0.76 [95% CI, 0.63-0.90]). CONCLUSIONS: Among patients with concomitant hypertension and hypercholesterolemia, treatment with an FDC of amlodipine and high-dose atorvastatin led to a lower risk of a composite of cardiovascular outcomes than treatment with the free combination or a similar FDC with a lower dose of atorvastatin.


Assuntos
Anlodipino , Atorvastatina , Combinação de Medicamentos , Ácidos Heptanoicos , Hipercolesterolemia , Hipertensão , Pirróis , Humanos , Anlodipino/administração & dosagem , Anlodipino/efeitos adversos , Masculino , Hipercolesterolemia/tratamento farmacológico , Hipercolesterolemia/complicações , Hipercolesterolemia/epidemiologia , Hipertensão/tratamento farmacológico , Hipertensão/complicações , Hipertensão/epidemiologia , Feminino , Pessoa de Meia-Idade , Atorvastatina/administração & dosagem , Idoso , Taiwan/epidemiologia , Resultado do Tratamento , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/efeitos adversos , Estudos Retrospectivos , Inibidores de Hidroximetilglutaril-CoA Redutases/administração & dosagem , Anticolesterolemiantes/administração & dosagem , Anticolesterolemiantes/efeitos adversos , Anticolesterolemiantes/uso terapêutico , Bloqueadores dos Canais de Cálcio/administração & dosagem , Bloqueadores dos Canais de Cálcio/efeitos adversos , Bloqueadores dos Canais de Cálcio/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos
15.
Am J Obstet Gynecol MFM ; 6(5): 101368, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38574856

RESUMO

BACKGROUND: Despite major advances in the pharmacologic treatment of hypertension in the nonpregnant population, treatments for hypertension in pregnancy have remained largely unchanged over the years. There is recent evidence that a more adequate control of maternal blood pressure is achieved when the first given antihypertensive drug is able to correct the underlying hemodynamic disorder of the mother besides normalizing the blood pressure values. OBJECTIVE: This study aimed to compare the blood pressure control in women receiving an appropriate or inappropriate antihypertensive therapy following the baseline hemodynamic findings. STUDY DESIGN: This was a prospective multicenter study that included a population of women with de novo diagnosis of hypertensive disorders of pregnancy. A noninvasive assessment of the following maternal parameters was performed on hospital admission via Ultrasound Cardiac Output Monitor before any antihypertensive therapy was given: cardiac output, heart rate, systemic vascular resistance, and stroke volume. The clinician who prescribed the antihypertensive therapy was blinded to the hemodynamic evaluation and used as first-line treatment a vasodilator (nifedipine or alpha methyldopa) or a beta-blocker (labetalol) based on his preferences or on the local protocols. The first-line pharmacologic treatment was retrospectively considered hemodynamically appropriate in either of the following circumstances: (1) women with a hypodynamic profile (defined as low cardiac output [≤5 L/min] and/or high systemic vascular resistance [≥1300 dynes/second/cm2]) who were administered oral nifedipine or alpha methyldopa and (2) women with a hyperdynamic profile (defined as normal or high cardiac output [>5 L/min] and/or low systemic vascular resistances [<1300 dynes/second/cm2]) who were administered oral labetalol. The primary outcome of the study was to compare the occurrence of severe hypertension between women treated with a hemodynamically appropriate therapy and women treated with an inappropriate therapy. RESULTS: A total of 152 women with hypertensive disorders of pregnancy were included in the final analysis. Most women displayed a hypodynamic profile (114 [75.0%]) and received a hemodynamically appropriate treatment (116 [76.3%]). The occurrence of severe hypertension before delivery was significantly lower in the group receiving an appropriate therapy than in the group receiving an inappropriately treated (6.0% vs 19.4%, respectively; P=.02). Moreover, the number of women who achieved target values of blood pressure within 48 to 72 hours from the treatment start was higher in the group who received an appropriate treatment than in the group who received an inappropriate treatment (70.7% vs 50.0%, respectively; P=.02). CONCLUSION: In pregnant individuals with de novo hypertensive disorders of pregnancy, a lower occurrence of severe hypertension was observed when the first-line antihypertensive agent was tailored to the correct maternal hemodynamic profile.


Assuntos
Anti-Hipertensivos , Hemodinâmica , Labetalol , Pré-Eclâmpsia , Humanos , Feminino , Gravidez , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/farmacologia , Anti-Hipertensivos/administração & dosagem , Estudos Prospectivos , Adulto , Hemodinâmica/efeitos dos fármacos , Hemodinâmica/fisiologia , Pré-Eclâmpsia/fisiopatologia , Pré-Eclâmpsia/tratamento farmacológico , Pré-Eclâmpsia/diagnóstico , Labetalol/administração & dosagem , Labetalol/farmacologia , Débito Cardíaco/efeitos dos fármacos , Débito Cardíaco/fisiologia , Nifedipino/farmacologia , Nifedipino/administração & dosagem , Nifedipino/uso terapêutico , Resistência Vascular/efeitos dos fármacos , Metildopa/administração & dosagem , Metildopa/farmacologia , Metildopa/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos , Pressão Sanguínea/fisiologia , Hipertensão Induzida pela Gravidez/tratamento farmacológico , Hipertensão Induzida pela Gravidez/fisiopatologia , Hipertensão Induzida pela Gravidez/diagnóstico , Resultado do Tratamento , Frequência Cardíaca/efeitos dos fármacos , Frequência Cardíaca/fisiologia , Volume Sistólico/efeitos dos fármacos , Volume Sistólico/fisiologia , Vasodilatadores/administração & dosagem , Vasodilatadores/farmacologia , Vasodilatadores/uso terapêutico
16.
BMC Anesthesiol ; 24(1): 155, 2024 Apr 23.
Artigo em Inglês | MEDLINE | ID: mdl-38654209

RESUMO

BACKGROUND: This study aimed to determine the median effective dose (ED50) and 95% effective dose (ED95) of nicardipine for treating pituitrin-induced hypertension during laparoscopic myomectomy, providing guidance for the management of intraoperative blood pressure in such patients. METHODS: Among the initial 40 participants assessed, 24 underwent elective laparoscopic myomectomy. A sequential up-and-down method was employed to ascertain the ED50 of nicardipine based on its antihypertensive efficacy. Nicardipine was initially administered at 6 µg/kg following the diagnosis of pituitrin-induced hypertension in the first patient. Dosing adjustments were made to achieve the desired antihypertensive effect, restoring systolic blood pressure and heart rate to within ± 20% of baseline within 120 s. The dosing increment or reduction was set at 0.5 µg/kg for effective or ineffective responses, respectively. The ED50 and ED95 of nicardipine were calculated using Probit regression by Maximum Likelihood Estimation (MLE) to establish dose-response curves and confidence intervals. RESULTS: 24 patients were included for analysis finally. The ED50 and ED95 of nicardipine for blood pressure control after pituitrin injection were determined. The study found that the ED50 of nicardipine for treating pituitrin-induced hypertension was 4.839 µg/kg (95% CI: 4.569-5.099 µg/kg), and the ED95 was estimated at 5.308 µg/kg (95% CI: 5.065-6.496 µg/kg). Nicardipine effectively mitigated the hypertensive response caused by pituitrin without inducing significant tachycardia or hypotension. CONCLUSIONS: Nicardipine effectively controlled blood pressure after pituitrin injection during laparoscopic myomectomy, with ED50 and ED95 values established. This research highlights the potential utility of nicardipine in addressing hypertensive responses induced by pituitrin, particularly in clinical settings where pituitrin is routinely administered.


Assuntos
Anti-Hipertensivos , Relação Dose-Resposta a Droga , Hipertensão , Laparoscopia , Nicardipino , Miomectomia Uterina , Humanos , Nicardipino/administração & dosagem , Feminino , Adulto , Hipertensão/tratamento farmacológico , Laparoscopia/métodos , Miomectomia Uterina/métodos , Anti-Hipertensivos/administração & dosagem , Anestesia Intravenosa/métodos , Hormônio Liberador de Gonadotropina , Pressão Sanguínea/efeitos dos fármacos
17.
Am J Obstet Gynecol MFM ; 6(4): 101348, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38485054

RESUMO

BACKGROUND: Hypertensive disorders of pregnancy are a leading cause of perinatal morbidity, and timely treatment of severely elevated blood pressure is recommended to prevent serious sequelae. In acute hypertension marked by increased blood volume, it is unknown whether diuretics used as an adjunct to antihypertensive medications lead to more effective blood pressure control. OBJECTIVE: This study aimed to evaluate whether the addition of intravenous furosemide to first-line antihypertensive agents reduces systolic blood pressure in acute-onset, severe antenatal hypertension with wide (≥60 mm Hg) pulse pressure. STUDY DESIGN: In this double-blinded randomized trial, participants received 40 mg of intravenous furosemide or placebo in addition to a first-line antihypertensive agent. The primary outcome was mean systolic blood pressure during the first hour after intervention. Secondary outcomes included corresponding diastolic blood pressure; systolic blood pressure, diastolic blood pressure, and pulse pressure at 2 hours after intervention; total reduction from qualifying blood pressure; duration of blood pressure control; need for additional antihypertensive doses within 1 hour; and electrolytes and urine output. A sample size of 35 participants per group was planned to detect a 15-mm Hg difference in blood pressure. RESULTS: Between January 2021 and March 2022, 65 individuals were randomized: 33 to furosemide and 32 to placebo. Baseline characteristics were similar between the groups. There was no difference in the primary outcome of mean 1-hour systolic blood pressure (147 [14.8] vs 152 [13.8] mm Hg; P=.200). We found a reduction in 2-hour systolic blood pressure (139 [18.5] vs 154 [18.4] mm Hg; P=.007) and a decrease in 2-hour pulse pressure (55 [12.5] vs 67 [15.1]; P=.003) in the furosemide group. Subgroup analysis according to hypertension type showed a significant reduction in 2-hour systolic blood pressure and 2-hour pulse pressure among patients with new-onset hypertension, but not among those with preexisting hypertension. Urine output was greater in the furosemide group, with no difference in electrolytes and creatinine before and after intervention. CONCLUSION: Intravenous furosemide in conjunction with a first-line antihypertensive agent did not significantly reduce systolic blood pressure in the first hour after administration. However, both systolic blood pressure and pulse pressure at 2 hours were decreased in the furosemide group. These findings suggest that a 1-time dose of intravenous furosemide is a reasonable adjunct to achieve blood pressure control, particularly in patients in whom increased volume is suspected.


Assuntos
Anti-Hipertensivos , Diuréticos , Furosemida , Humanos , Furosemida/administração & dosagem , Feminino , Gravidez , Método Duplo-Cego , Adulto , Diuréticos/administração & dosagem , Anti-Hipertensivos/administração & dosagem , Pressão Sanguínea/efeitos dos fármacos , Pressão Sanguínea/fisiologia , Hipertensão Induzida pela Gravidez/tratamento farmacológico , Hipertensão Induzida pela Gravidez/fisiopatologia , Hipertensão Induzida pela Gravidez/diagnóstico , Quimioterapia Combinada/métodos , Resultado do Tratamento
18.
J Med Screen ; 31(2): 59-65, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38486473

RESUMO

OBJECTIVE: To compare the NHS Health Check Programme with the Polypill Prevention Programme in the primary prevention of heart attacks and strokes. DESIGN: Use of published data and methodology to produce flow charts of the two programmes to determine screening performance and heart attacks and strokes prevented. SETTING: The UK population. INTERVENTION: The NHS Health Check Programme using a QRISK score on people aged 40-74 to select those eligible for a statin is compared with the Polypill Prevention Programme in people aged 50 or more to select people for a combination of a statin and three low-dose blood pressure lowering agents. In both programmes, people had no history of heart attack or stroke. MAIN OUTCOME MEASURES: In 1000 people, the number of heart attacks and strokes prevented in the two programmes. RESULTS: In the hypothetical perfect situation with 100% uptake and adherence to the screening protocol, in every 1000 persons, the NHS Health Check would prevent 287 cases of a heart attack or stroke in individuals who would gain on average about 4 years of life without a heart attack or stroke amounting to 1148 years in total, the precise gain depending on the extent of treatment for those with raised blood pressure, and 136 would be prescribed statins with no benefit. The corresponding figures for the Polypill Prevention Programme are 316 individuals who would, on average, gain 8 years of life without a heart attack or stroke, amounting to 2528 years in total, and 260 prescribed the polypill with no benefit. Based on published estimates of uptake and adherence in the NHS Health Check Programme, in practice only 24 cases per 1000 are currently benefitting instead of 287, amounting to 96 years gained without a heart attack or stroke. CONCLUSIONS: The Polypill Prevention Programme is by design simpler with the potential of preventing many more heart attacks and strokes than the NHS Health Check Programme.


Assuntos
Programas de Rastreamento , Infarto do Miocárdio , Acidente Vascular Cerebral , Humanos , Pessoa de Meia-Idade , Acidente Vascular Cerebral/prevenção & controle , Idoso , Reino Unido , Infarto do Miocárdio/prevenção & controle , Infarto do Miocárdio/diagnóstico , Adulto , Programas de Rastreamento/métodos , Prevenção Primária/métodos , Masculino , Feminino , Inibidores de Hidroximetilglutaril-CoA Redutases/administração & dosagem , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Medicina Estatal , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/uso terapêutico
19.
Curr Med Res Opin ; 40(5): 733-743, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38459774

RESUMO

OBJECTIVE: The investigation of the real-world use of the extemporaneous combination of nebivolol and amlodipine (NA-EXC) in adult patients diagnosed with hypertension in Europe. METHODS: Retrospective analysis of data extracted from seven databases of patient medical records and prescriptions from Italy, Germany, France, Hungary, and Poland, to determine the prevalence and incidence of NA-EXC use and to estimate the number of patients potentially eligible for a single-pill combination of the two antihypertensives. Secondary objectives included: the description of the population of NA-EXC users and the assessment of their adherence to treatment based on the proportion of days covered. RESULTS: The use of NA-EXC was found to be common in Europe and ranged between 2.9% to 9.9% of all patients identified in the databases with a prescription of nebivolol and/or amlodipine. The estimated numbers of patients potentially eligible in 2019 for a single-pill combination of nebivolol and amlodipine in Italy and Germany were, respectively, 178,133 and 113,240. Users of NA-EXC were mostly aged 70-79 years, had metabolic disorders and other comorbidities; >70% of them had received ≥2 concomitant medications before starting NA-EXC. Adherence to NA-EXC was defined as high only in 15.6% to 35% of patients. CONCLUSIONS: The extemporaneous combination of nebivolol and amlodipine is commonly prescribed in Europe, however adherence to the therapy is poor. The development of a single-pill combination of nebivolol and amlodipine may improve adherence by reducing the number of pills administered to patients and thus simplifying treatment regimens.


Assuntos
Anlodipino , Anti-Hipertensivos , Hipertensão , Nebivolol , Humanos , Nebivolol/administração & dosagem , Nebivolol/uso terapêutico , Anlodipino/administração & dosagem , Anlodipino/uso terapêutico , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Masculino , Feminino , Idoso , Pessoa de Meia-Idade , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/uso terapêutico , Europa (Continente) , Estudos Retrospectivos , Combinação de Medicamentos , Adulto , Adesão à Medicação/estatística & dados numéricos , Idoso de 80 Anos ou mais , Quimioterapia Combinada
20.
J Hypertens ; 42(6): 1009-1018, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38501351

RESUMO

BACKGROUND: A combination of four ultra-low-dose blood pressure (BP) medications lowered office BP more effectively than initial monotherapy in the QUARTET trial. The effects on average ambulatory BP changes at 12 weeks have not yet been reported in detail. METHODS: Adults with hypertension who were untreated or on monotherapy were eligible for participation. Overall, 591 participants were randomized to either the quadpill (irbesartan 37.5 mg, amlodipine 1.25 mg, indapamide 0.625 mg, and bisoprolol 2.5 mg) or monotherapy control (irbesartan 150 mg). The difference in 24-h, daytime, and night-time systolic and diastolic ambulatory BP at 12 weeks along further metrics were predefined secondary outcomes. RESULTS: Of 576 participants, 289 were randomized to the quadpill group and 287 to the monotherapy group. At 12 weeks, mean 24-h ambulatory SBP and DBP were 7.7 [95% confidence interval (95% CI) 9.6-5.8] and 5.3 (95% CI: 6.5-4.1) mmHg lower in the quadpill vs. monotherapy group ( P  < 0.001 for both). Similar reductions in the quadpill group were observed for daytime (8.1/5.7 mmHg lower) and night-time (6.3/4.0 mmHg lower) BP at 12 weeks (all P  < 0.001) compared to monotherapy. The rate of BP control (24-h average BP < 130/80 mmHg) at 12 weeks was higher in the quadpill group (77 vs. 50%; P  < 0.001). The reduction in BP load was also more pronounced with the quadpill. CONCLUSION: A quadruple quarter-dose combination compared with monotherapy resulted in greater ambulatory BP lowering across the entire 24-h period with higher ambulatory BP control rates and reduced BP variability at 12 weeks. These findings further substantiate the efficacy of an ultra-low-dose quadpill-based BP lowering strategy.


Assuntos
Anti-Hipertensivos , Monitorização Ambulatorial da Pressão Arterial , Pressão Sanguínea , Quimioterapia Combinada , Hipertensão , Humanos , Anti-Hipertensivos/administração & dosagem , Anti-Hipertensivos/uso terapêutico , Monitorização Ambulatorial da Pressão Arterial/métodos , Masculino , Pressão Sanguínea/efeitos dos fármacos , Feminino , Pessoa de Meia-Idade , Hipertensão/tratamento farmacológico , Hipertensão/fisiopatologia , Idoso , Bisoprolol/administração & dosagem , Bisoprolol/uso terapêutico , Anlodipino/administração & dosagem , Adulto , Indapamida/administração & dosagem , Indapamida/uso terapêutico
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