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1.
West J Emerg Med ; 25(2): 160-165, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38596912

RESUMO

Introduction: Hypertension is the leading risk factor for morbidity and mortality throughout the world and is pervasive in United States emergency departments (ED). This study documents the point prevalence of subclinical heart disease in emergency patients with asymptomatic hypertension. Method: This was a prospective observational study of ED patients with asymptomatic hypertension conducted at two urban academic EDs that belong to an eight-hospital healthcare organization in New York. Adult (≥18 years of age) English- or Spanish-speaking patients who had an initial blood pressure (BP) ≥160/100 millimeters of mercury (mmHg) and second BP ≥140/90 mm Hg, and pending discharge, were invited to participate in the study. We excluded patients with congestive heart failure, renal insufficiency, and atrial fibrillation, or who were pregnant, a prisoner, cognitively unable to provide informed consent, or experiencing symptoms of hypertension. We assessed echocardiographic evidence of subclinical heart disease (left ventricular hypertrophy, and diastolic and systolic dysfunction). Results: A total of 53 patients were included in the study; a majority were young (mean 49.5 years old, [SD 14-52]), self-identified as Black or Other (n = 39; 73.5%), and female (n = 30; 56.6%). Mean initial blood pressure was 172/100 mm Hg, and 24 patients (45.3%) self-reported a history of hypertension. Fifty patients completed an echocardiogram. All (100%) had evidence of subclinical heart disease, with 41 (77.4%) displaying left ventricular hypertrophy and 31 (58.5%) diastolic dysfunction. There was a significant relationship between diastolic dysfunction and female gender [x2 (1, n = 53) = 3.98; P = 0.046]; Black or other race [x2 (3, n = 53) = 9.138; P = 0.03] and Hispanic or other ethnicity [x2 (2, n = 53) = 8.03; P = 0.02]. Less than one third of patients demonstrated systolic dysfunction on echocardiogram, and this was more likely to occur in patients with diabetes mellitus [x2 (1, n = 51) = 4.84; P = 0.02]. Conclusion: There is a high probability that Black, Hispanic, and female patients with asymptomatic hypertension are on the continuum for developing overt heart failure. Emergency clinicians should provide individualized care that considers their unique health needs, cultural backgrounds, and social determinants of health.


Assuntos
Cardiopatias , Insuficiência Cardíaca , Hipertensão , Disfunção Ventricular Esquerda , Humanos , Feminino , Estados Unidos , Pessoa de Meia-Idade , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia , Hipertensão/epidemiologia , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/epidemiologia , Insuficiência Cardíaca/complicações , Pressão Sanguínea , Cardiopatias/epidemiologia
2.
BMC Nephrol ; 25(1): 111, 2024 Mar 21.
Artigo em Inglês | MEDLINE | ID: mdl-38515022

RESUMO

BACKGROUND: It is unclear whether short-term blood pressure variability (BPV) is associated with target organ damage in patients with non-dialysis chronic kidney disease (CKD). METHODS: A cross-sectional, single-center study was conducted among 3442 non-dialysis CKD patients hospitalized in the department of Nephrology of the Fifth Affiliated Hospital of Sun Yat-sen University from November 2017 to July 2022 and collected the demographic, laboratory, clinic blood pressure, ambulatory blood pressure data, and short-term BPV assessed by the weighted standard deviation (wSD) derived from ambulatory blood pressure monitoring (ABPM). Multivariate logistic analyses were used to evaluate the independent effects between short-term BPV and subclinical target organ damage, including left ventricular hypertrophy (LVH), abnormal carotid intima-media thickness (CIMT), low estimated glomerular filtration rate (eGFR), and albuminuria. RESULTS: The average age of the participants was 47.53 ± 14.06 years and 56% of participants were male. The baseline eGFR was 69 mL/min/1.73 m2. Based on the tertile distribution of wSD according to equal numbers, patients were divided into three categories with T1(< 9.66 mmHg), T2(9.66-12.23 mmHg), and T3(> 12.23 mmHg) of SBPV; T1(< 8.17 mmHg), T2(8.17-9.93 mmHg), and T3(> 9.93 mmHg) of DBPV. The participants with the higher wSD group had a higher prevalence of target organ damage than their counterparts (P-trend < 0.05). An increasing trend in short-term variability was present with advancing CKD stages (P-trend < 0.001). Multivariate logistic analyses results showed that the odds ratio (OR) of SBP wSD was (1.07 [1.03,1.11], P < 0.001) for LVH, (1.04 [1.01,1.07, P = 0.029) for abnormal CIMT, (1.05 [1.02,1.08], P = 0.002) for low eGFR, and (1.06 [1.02,1.09], P = 0.002) for albuminuria; The OR of DBP wSD was (1.07 [1.02,1.12], P = 0.005) for LVH, (1.05 [1.01,1.09], P = 0.028) for abnormal CIMT, (1.05 [1.01,1.09], P = 0.022) for low eGFR, and (1.05 [1.01,1.10], P = 0.025) for albuminuria when adjusted for confounding factors and mean BP. CONCLUSIONS: In conclusion, short-term BPV is associated with target organ damage, and irresponsible of average blood pressure levels, in Chinese non-dialysis CKD participants.


Assuntos
Hipertensão , Insuficiência Renal Crônica , Humanos , Masculino , Adulto , Pessoa de Meia-Idade , Feminino , Pressão Sanguínea , Hipertensão/complicações , Monitorização Ambulatorial da Pressão Arterial , Albuminúria/epidemiologia , Albuminúria/complicações , Estudos Transversais , Espessura Intima-Media Carotídea , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/complicações
3.
J Clin Hypertens (Greenwich) ; 26(4): 363-373, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38430459

RESUMO

Left ventricular hypertrophy (LVH) is a hypertensive heart disease that significantly escalates the risk of clinical cardiovascular events. Its etiology potentially incorporates various clinical attributes such as gender, age, and renal function. From mechanistic perspective, the remodeling process of LVH can trigger increment in certain biomarkers, notably sST2 and NT-proBNP. This multicenter, retrospective study aimed to construct an LVH risk assessment model and identify the risk factors. A total of 417 patients with essential hypertension (EH), including 214 males and 203 females aged 31-80 years, were enrolled in this study; of these, 161 (38.6%) were diagnosed with LVH. Based on variables demonstrating significant disparities between the LVH and Non-LVH groups, three multivariate stepwise logistic regression models were constructed for risk assessment: the "Clinical characteristics" model, the "Biomarkers" model (each based on their respective variables), and the "Clinical characteristics + Biomarkers" model, which amalgamated both sets of variables. The results revealed that the "Clinical characteristics + Biomarkers" model surpassed the baseline models in performance (AUC values of the "Clinical characteristics + Biomarkers" model, the "Biomarkers" model, and the "Clinical characteristics" model were .83, .75, and .74, respectively; P < .0001 for both comparisons). The optimized model suggested that being female (OR: 4.26, P <.001), being overweight (OR: 1.88, p = .02) or obese (OR: 2.36, p = .02), duration of hypertension (OR: 1.04, P = .04), grade III hypertension (OR: 2.12, P < .001), and sST2 (log-transformed, OR: 1.14, P < .001) were risk factors, while eGFR acted as a protective factor (OR: .98, P = .01). These findings suggest that the integration of clinical characteristics and biomarkers can enhance the performance of LVH risk assessment.


Assuntos
Hipertensão , Hipertrofia Ventricular Esquerda , Masculino , Humanos , Feminino , Hipertrofia Ventricular Esquerda/diagnóstico , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia , Hipertensão/complicações , Hipertensão/diagnóstico , Hipertensão/epidemiologia , Estudos Retrospectivos , Nomogramas , Biomarcadores , Medição de Risco , Hipertensão Essencial/complicações , Hipertensão Essencial/epidemiologia
4.
High Blood Press Cardiovasc Prev ; 31(2): 157-166, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38530572

RESUMO

INTRODUCTION: Cardiac organ damage like left ventricular (LV) hypertrophy and left atrial (LA) enlargement is more prevalent in women than men with hypertension, but the mechanisms underlying this gender difference remain unclear. METHODS: We tested the association of drug nonadherence with the presence of LV hypertrophy and LA enlargement by echocardiography in 186 women and 337 men with uncontrolled hypertension defined as daytime systolic blood pressure (BP) ≥ 135mmHg despite the prescription of at least two antihypertensive drugs. Drug adherence was assessed by measurements of serum drug concentrations interpreted by an experienced pharmacologist. Aldosterone-renin-ratio (ARR) was measured on actual medication. RESULTS: Women had a higher prevalence of LV hypertrophy (46% vs. 33%) and LA enlargement (79% vs 65%, both p < 0.05) than men, while drug nonadherence (8% vs. 9%, p > 0.514) did not differ. Women were older and had lower serum renin concentration and higher ARR than men, while 24-h systolic BP (141 ± 9 mmHg vs. 142 ± 9 mmHg), and the prevalences of obesity (43% vs. 50%) did not differ (all p > 0.10). In multivariable analyses, female gender was independently associated with a two-fold increased risk of LV hypertrophy (OR 2.01[95% CI 1.30-3.10], p = 0.002) and LA enlargement (OR 1.90 [95% CI 1.17-3.10], p = 0.010), while no association with drug nonadherence was found. Higher ARR was independently associated with LV hypertrophy in men only (OR 2.12 [95% CI 1.12-4.00] p = 0.02). CONCLUSIONS: Among patients with uncontrolled hypertension, the higher prevalence of LV hypertrophy and LA enlargement in women was not explained by differences in drug nonadherence. REGISTRATION: URL:  https://www. CLINICALTRIALS: gov ; Unique identifier: NCT03209154.


Assuntos
Anti-Hipertensivos , Hipertensão , Hipertrofia Ventricular Esquerda , Adesão à Medicação , Renina , Humanos , Feminino , Masculino , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/fisiopatologia , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertensão/tratamento farmacológico , Hipertensão/fisiopatologia , Hipertensão/epidemiologia , Pessoa de Meia-Idade , Fatores Sexuais , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/efeitos adversos , Idoso , Prevalência , Renina/sangue , Fatores de Risco , Pressão Arterial/efeitos dos fármacos , Remodelação Ventricular/efeitos dos fármacos , Disparidades nos Níveis de Saúde , Estudos Transversais , Aldosterona/sangue , Medição de Risco , Remodelamento Atrial/efeitos dos fármacos , Resultado do Tratamento , Biomarcadores/sangue , Função Ventricular Esquerda/efeitos dos fármacos , Função do Átrio Esquerdo/efeitos dos fármacos
5.
Br J Gen Pract ; 74(741): e219-e226, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38359949

RESUMO

BACKGROUND: Accurate risk stratification identifying patients with hypertension at risk of future cardiovascular disease in primary care would be desirable. AIM: To investigate the association between elevated brain natriuretic peptide (BNP), left ventricular hypertrophy (LVH) on an electrocardiogram (ECG), and LVH on an echocardiogram and the development of cardiovascular events (CVEs), especially heart failure and all-cause mortality (ACM), in a primary care population with hypertension without symptoms of heart failure. DESIGN AND SETTING: A prospective cohort study in five Dutch general practices between 2010-2012 and 2020. METHOD: In total, 530 patients (aged 60-85 years) underwent laboratory testing, ECGs, and echocardiograms at baseline. The incidence of new CVEs and ACM at up to 9 years' follow-up was recorded by data extraction from the digital information systems. RESULTS: Among the 530 participants, 31 (5.8%) developed a coronary event, 44 (8.3%) a cerebrovascular accident, 53 (10.0%) atrial fibrillation, 23 (4.3%) heart failure, and 66 (12.5%) died. Cox regression analyses, adjusting for relevant Framingham covariates, showed that elevated BNP increased the risk of ACM, CVEs, and specifically heart failure independently by 44% (hazard ratio [HR] 1.44, 95% confidence interval [CI] = 1.07 to 1.94, P = -0.017), 45% (HR 1.45, 95% CI = 1.15 to 1.82, P = 0.002), and 288% (HR 3.88, 95% CI = 2.13 to 7.10, P<0.001), respectively. LVH on ECG increased the risk of ACM independently by 108% (HR 2.08, 95% CI = 1.14 to 3.81, P = 0.017). LVH either on an ECG and/or echocardiogram increased the risk of heart failure independently by 309% (HR 4.09, 95% CI = 1.34 to 12.49, P = 0.014). CONCLUSION: In primary care patients with hypertension, BNP seems to be an important marker predicting future CVEs, especially heart failure, as well as all-cause mortality.


Assuntos
Fibrilação Atrial , Insuficiência Cardíaca , Hipertensão , Humanos , Idoso , Estudos de Coortes , Estudos Prospectivos , Fatores de Risco , Hipertensão/complicações , Hipertensão/epidemiologia , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/epidemiologia , Hipertrofia Ventricular Esquerda/diagnóstico , Hipertrofia Ventricular Esquerda/epidemiologia , Eletrocardiografia , Atenção Primária à Saúde
6.
West Afr J Med ; 41(12 Suppl 1): 30-35, 2024 Jan 31.
Artigo em Inglês | MEDLINE | ID: mdl-38412104

RESUMO

BACKGROUND: Impairment of kidney function is one of the long-term sequelae of hypertension and it contributes to increased morbidity and mortality in hypertensive patients. Left ventricular hypertrophy (LVH) is a common complication of hypertension which can worsen the outcome in affected patients. This study was designed to compare kidney function in hypertensive patients with LVH with that in hypertensive patients without LVH. METHODS: The study was conducted among hypertensive patients attending cardiology clinics at two tertiary hospitals in Nigeria. A questionnaire was used to obtain demographic and clinical information from the participants. Kidney function was determined by measuring serum urea and creatinine, urinary creatinine and microalbumin. Echocardiography was performed to detect LVH. Results of kidney function tests were compared between participants who had LVH and those who did not. RESULTS: Of the 105 participants recruited, 58 (55.2%) were males. The median age of all participants was 52 (interquartile range (IQR) 40-61) years and LVH was confirmed in 48 (45.7%) of them. Participants with LVH were older (55 vs 49 years; p=0.02) but had lower weight (74 vs 78 kg; p=0.04). Participants without LVH had higher microalbuminuria (5.2 vs 4.05 mg/dl; p=0.03), lower estimated glomerular filtration rate (62 vs 92 ml/min/1.73 m2; p=0.004), and higher stages of CKD. CONCLUSION: Hypertensive patients with LVH had lower levels of microalbuminuria, higher estimated GFR, and lower stages of CKD compared to those with no LVH.


CONTEXTE: L'altération de la fonction rénale est l'une des séquelles à long terme de l'hypertension et contribue à une morbidité et une mortalité accrues chez les patients hypertendus. L'hypertrophie ventriculaire gauche (HVG) est une complication fréquente de l'hypertension qui peut aggraver le pronostic chez les patients concernés. Cette étude visait à comparer la fonction rénale chez les patients hypertendus avec HVG à celle des patients hypertendus sans HVG. MÉTHODES: L'étude a été menée auprès de patients hypertendus fréquentant des cliniques de cardiologie dans deux hôpitaux tertiaires au Nigeria. Un questionnaire a été utilisé pour obtenir des informations démographiques et cliniques auprès des participants. La fonction rénale a été déterminée en mesurant l'urée sérique et la créatinine, la créatinine urinaire et la microalbuminurie. Une échocardiographie a été réalisée pour détecter l'HVG. Les résultats des tests de fonction rénale ont été comparés entre les participants présentant une HVG et ceux qui n'en présentaient pas. RÉSULTATS: Sur les 105 participants recrutés, 58 (55,2 %) étaient des hommes. L'âge médian de tous les participants était de 52 ans (plage interquartile (IQR) de 40 à 61) et l'HVG a été confirmée chez 48 (45,7 %) d'entre eux. Les participants avec une HVG étaient plus âgés (55 vs 49 ans ; p=0,02) mais avaient un poids plus faible (74 vs 78 kg ; p=0,04). Les participants sans HVG avaient une microalbuminurie plus élevée (5,2 vs 4,05 mg/dl ; p=0,03), un taux de filtration glomérulaire estimé plus bas (62 vs 92 ml/min/1,73 m2; p=0,004) et des stades plus élevés de maladie rénale chronique. CONCLUSION: Les patients hypertendus avec HVG présentaient des niveaux plus faibles de microalbuminurie, un taux de filtration glomérulaire estimé plus élevé et des stades plus bas de la maladie rénale chronique par rapport à ceux sans HVG. MOTS-CLÉS: Hypertrophie ventriculaire gauche, Hypertension, Fonction rénale, Maladie rénale chroniqu.


Assuntos
Hipertensão , Insuficiência Renal Crônica , Masculino , Humanos , Adulto , Pessoa de Meia-Idade , Feminino , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia , Creatinina , Hipertensão/complicações , Taxa de Filtração Glomerular , Rim/diagnóstico por imagem , Insuficiência Renal Crônica/diagnóstico
7.
Hum Brain Mapp ; 45(3): e26567, 2024 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-38391110

RESUMO

Previous studies provided evidence for the importance of cardiac structure abnormalities, in particular greater left ventricular (LV) mass, for brain aging, but longitudinal studies are lacking to date. We included 926 individuals (median age 48 years; 53% women) from the TREND cohort of the Study of Health in Pomerania (SHIP) without reduced ejection fraction or a history of myocardial infarction. LV mass index (LVMI) was determined by echocardiography at baseline. Brain morphometric measurements were derived from magnetic resonance images at baseline and 7-year follow-up. Direct effects of baseline LVMI on brain morphometry at follow-up were estimated using linear regression models with adjustment for baseline brain morphometry. At baseline, median LVMI was 40 g/m2.7 and 241 individuals (26%) met the criterion of LV hypertrophy. After correction for multiple testing, baseline LVMI was directly associated with reduced global cortical thickness and increased cortical brain age at follow-up independent from hypertension and blood pressure. Exposure-outcome relations were nonlinear and significantly stronger in the upper half of the exposure distribution. Specifically, an increase in baseline LVMI from the 50% quantile to the 95% quantile was associated additional 2.7 years (95% confidence interval = [1.5 years, 3.8 years]) of cortical brain age at follow-up. Additional regional analyses yielded bilateral effects on multiple frontal cortical regions. Our findings highlight the role of cardiac structure in brain aging. LVMI constitutes an easily measurable marker that might help to identify persons at risk for cognitive impairment and dementia.


Assuntos
Hipertensão , Hipertrofia Ventricular Esquerda , Humanos , Feminino , Pessoa de Meia-Idade , Masculino , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia , Hipertensão/diagnóstico por imagem , Hipertensão/epidemiologia , Fatores de Risco , Envelhecimento , Encéfalo
8.
Pediatr Blood Cancer ; 71(5): e30916, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38348531

RESUMO

BACKGROUND: Previous studies have documented that electrocardiography (ECG) can reveal a range of abnormalities, offering valuable insights into the cardiac evaluation of patients with sickle cell disease (SCD). The objective of this study is to assess the patterns of ECG abnormalities observed in these patients with SCD, and to determine their prevalence. METHOD: We systematically reviewed the literature using online databases of PubMed, Scopus, Web of Science, Embase, and Google Scholar to identify original studies that reported findings of standard ECG assessments in patients with SCD. Statistical analyses were performed using the random effects model. Additional analyses including sensitivity analysis and subgroup analysis were also conducted. RESULTS: Analysis of data from 59 studies involving 897,920 individuals with SCD revealed that 75% of these patients had abnormal ECG findings (67%-81%), which were predominantly nonspecific ST-T changes, left ventricular hypertrophy, T-wave changes, prolonged corrected QT (QTc) interval, and ischemic changes. Besides, it was shown that these patients had significantly higher odds of having any ECG abnormalities (OR of 17.50, 4.68-65.49), right atrial enlargement (6.09, 1.48-25.09), left ventricular hypertrophy (3.45, 1.73-6.89), right ventricular hypertrophy (7.18, 2.28-22.57), biventricular hypertrophy (10.11, 1.99-51.38), prolonged QTc interval (5.54, 2.44-12.59), ST depression (3.34, 1.87-5.97), and T-wave changes (5.41, 1.43-20.56). Moreover, the mean of QTc interval was significantly higher among those with SCD (23.51 milliseconds, 16.08-30.94). CONCLUSION: Our meta-analysis showed a higher prevalence of abnormal ECG findings among individuals with SCD. A significant proportion of these patients had various ECG abnormalities, suggesting a potential need for regular ECG assessments for patients with SCD.


Assuntos
Anemia Falciforme , Hipertrofia Ventricular Esquerda , Humanos , Hipertrofia Ventricular Esquerda/epidemiologia , Anemia Falciforme/complicações , Eletrocardiografia
9.
J Clin Hypertens (Greenwich) ; 26(3): 274-285, 2024 03.
Artigo em Inglês | MEDLINE | ID: mdl-38341620

RESUMO

Electrocardiography (ECG) is an accessible diagnostic tool for screening patients with hypertensive left ventricular hypertrophy (LVH). However, its diagnostic sensitivity is low, with a high probability of false-negatives. Thus, this study aimed to establish a clinically useful nomogram to supplement the assessment of LVH in patients with hypertension and without ECG-LVH based on Cornell product criteria (low-risk hypertensive population). A cross-sectional dataset was used for model construction and divided into development (n = 2906) and verification (n = 1447) datasets. A multivariable logistic regression risk model and nomogram were developed after screening for risk factors. Of the 4353 low-risk hypertensive patients, 673 (15.4%) had LVH diagnosed by echocardiography (Echo-LVH). Eleven risk factors were identified: hypertension awareness, duration of hypertension, age, sex, high waist-hip ratio, education level, tea consumption, hypochloremia, and other ECG-LVH diagnostic criteria (including Sokolow-Lyon, Sokolow-Lyon products, and Peguero-Lo Presti). For the development and validation datasets, the areas under the curve were 0.724 (sensitivity = 0.606) and 0.700 (sensitivity = 0.663), respectively. After including blood pressure, the areas under the curve were 0.735 (sensitivity = 0.734) and 0.716 (sensitivity = 0.718), respectively. This novel nomogram had a good predictive ability and may be used to assess the Echo-LVH risk in patients with hypertension and without ECG-LVH based on Cornell product criteria.


Assuntos
Hipertensão , Humanos , Hipertensão/complicações , Hipertensão/diagnóstico , Hipertensão/epidemiologia , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Nomogramas , Estudos Transversais , Eletrocardiografia
10.
Crit Pathw Cardiol ; 23(1): 20-25, 2024 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-38381652

RESUMO

BACKGROUND: Patients with hypertrophic cardiomyopathy (HCM) usually have abnormal electrocardiograms consistent with left ventricular hypertrophy (LVH). The goal of this study was to evaluate the prevalence of abnormal ECG findings (LVH, T wave inversion, left bundle branch block, and left atrial enlargement) in participants with suspected HCM detected during screening echocardiography. METHOD: The Anthony Bates Foundation has been performing screening echocardiography across the United States for the prevention of sudden death since 2001. A total of 682 subjects between the ages of 8 and 71 underwent echocardiographic screening together with ECG documentation. We evaluated the prevalence of abnormal ECG in participants with suspected HCM defined as any left ventricular wall thickness ≥15 mm. RESULTS: The prevalence of LVH and T wave inversion were higher in HCM subjects as expected [HCM occurred in 23.5% (4/17) vs. 5.6% (37/665), P = 0.002, T wave inversion occurred in 17.6% (3/17) vs. 4.1% (27/664), P = 0.007]. However, despite adding these 2 common ECG abnormalities in this population, the presence of detected abnormal ECG remained less than 25% (23.5% of HCM subjects had LVH or T wave inversion on ECG vs. 8.7% of control, P = 0.036). Left bundle branch block or abnormal left atrium on ECG were not found in any participants with suspected HCM. CONCLUSIONS: The prevalence of abnormal ECG in the participants with suspected HCM detected during screening echocardiography is less than 25%. This suggests that ECG alone is not a sensitive marker for the detection of HCM.


Assuntos
Cardiomiopatia Hipertrófica , Eletrocardiografia , Humanos , Criança , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Idoso , Bloqueio de Ramo , Cardiomiopatia Hipertrófica/complicações , Cardiomiopatia Hipertrófica/diagnóstico , Cardiomiopatia Hipertrófica/epidemiologia , Ecocardiografia , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia
11.
Scand J Med Sci Sports ; 34(1): e14554, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38268076

RESUMO

AIMS: To determine associations between anabolic-androgenic steroid (AAS) use-related morbidity including cardiovascular disease (CVD) and engagement to health services. METHODS: In this cross-sectional study, 90 males with at least 12 months cumulative current or former use of AAS were included. The participants were divided into a treatment-seeking group (TSG) and a non-treatment seeking group (non-TSG) based on their responses to a self-report web questionnaire. All participants were screened for symptoms that could be indicative of CVD through a clinical interview, and examined with blood samples, blood pressure measurements and transthoracic echocardiography. RESULTS: In the total sample (n = 90), mean age was 39 ± 11 years with cumulative AAS use of 12 ± 9 years. Among men in the TSG with current use there were higher prevalence of dyspnoea (50% vs 7%) and reduced left ventricular ejection fraction (LVEF) in conjunction with left ventricular hypertrophy (LVH) (36 vs. 9%) and/or high blood pressure (55% vs. 19%) compared to men in the non-TSG. Among men with current AAS use and established LVEF <50% (n = 25) or LVH (n = 21), 44% (11) and 43% (9) respectively, had never engaged health services due to AAS-related adverse effects. Deviant liver- and kidney parameters were frequently observed in the total sample but without between-group differences. CONCLUSIONS: Treatment-seeking behavior among current AAS users may be associated with increased levels of dyspnoea and established CVD. Despite objective signs of severe CVD among a substantial amount of study participants, it is of great concern that the majority had never sought treatment for AAS-related concerns.


Assuntos
Esteróides Androgênicos Anabolizantes , Doenças Cardiovasculares , Masculino , Humanos , Adulto , Pessoa de Meia-Idade , Estudos Transversais , Volume Sistólico , Função Ventricular Esquerda , Doenças Cardiovasculares/epidemiologia , Dispneia , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Esteroides
12.
Sci Rep ; 14(1): 250, 2024 01 02.
Artigo em Inglês | MEDLINE | ID: mdl-38167639

RESUMO

Evidence for the role of electrocardiography or echocardiography in determining left ventricular hypertrophy for the risk of diabetes is still controversial. We aimed to explore whether left ventricular mass, as measured by these methods, is associated with the risk of diabetes in a community population. We recruited 2696 participants aged 35 years or older without diabetes who had undergone screening with electrocardiography and echocardiography. Left ventricular mass index (LVMI) was calculated using a formula, and participants were divided into tertiles based on their LVMI tertiles. During a median follow-up period of median, 8.9 years, a total of 405 participants developed diabetes. The incidence and risk of diabetes significantly increased with higher LVMI tertiles. Multivariate Cox regression analysis demonstrated that individuals in the highest LVMI tertile had a greater likelihood of developing incident diabetes, with a hazard ratio of 1.40 (95% CI 1.06-1.91), even after adjusting related covariates. The highest risk of diabetes was observed in the presence of both the uppermost LVMI tertile and electrocardiographically determined left ventricular hypertrophy for the Chinese population. Left ventricular hypertrophy identified by either electrocardiography or echo may serve as a surrogate marker for identifying the risk of diabetes in clinical practice.


Assuntos
Diabetes Mellitus , Hipertrofia Ventricular Esquerda , Humanos , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/complicações , Diabetes Mellitus/epidemiologia , Ecocardiografia , Modelos de Riscos Proporcionais , Eletrocardiografia , Fatores de Risco
13.
Psychosom Med ; 86(2): 60-71, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38193784

RESUMO

OBJECTIVE: Depression is a risk factor for coronary heart disease and left ventricular hypertrophy (LVH) is a potent predictor of coronary heart disease events. Whether depression is associated with LVH has received limited investigation. This study assessed cross-sectional and 20-year longitudinal associations of depressive symptoms with LVH outcomes after accounting for important known confounders. METHODS: From 5115 participants enrolled in 1985-1986 in the Coronary Artery Risk Development in Young Adults Study, 2533 had serial measures of depressive symptoms and subsequent echocardiography to measure normal LV geometry, concentric remodeling, and LVH. The primary exposure variable was trajectories of the Center for Epidemiologic Studies Depression (CES-D) scale score from 1990-1991 to 2010-2011. Multivariable polytomous logistic regression was used to assess associations of trajectories with a composite LV geometry outcome created using echocardiogram data measured in 2010-2011 and 2015-2016. Sex-specific conflicting results led to exploratory models that examined potential importance of testosterone and sex hormone-binding globulin. RESULTS: Overall CES-D and Somatic subscale trajectories had significant associations with LVH for female participants only. Odds ratios for the subthreshold (mean CES-D ≈ 14) and stable (mean CES-D ≈ 19) groups were 1.49 (95% confidence interval = 1.05-2.13) and 1.88 (95% confidence interval = 1.16-3.04), respectively. For female participants, sex hormone-binding globulin was inversely associated with LVH, and for male participants, bioavailable testosterone was positively associated with concentric geometry. CONCLUSIONS: Findings from cross-sectional and longitudinal regression models for female participants, but not male ones, and particularly for Somatic subscale trajectories suggested a plausible link among depression, androgens, and LVH. The role of androgens to the depression-LVH relation requires additional investigation in future studies.


Assuntos
Doença das Coronárias , Hipertensão , Humanos , Masculino , Feminino , Adulto Jovem , Depressão/epidemiologia , Globulina de Ligação a Hormônio Sexual , Vasos Coronários , Androgênios , Estudos Transversais , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Fatores de Risco , Testosterona , Remodelação Ventricular
14.
Atherosclerosis ; 389: 117440, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38246095

RESUMO

BACKGROUND AND AIMS: Longitudinal evidence on the associations of changes in lipids level with changes in cardiac structure and function in youth is limited due to few repeated echocardiography measures. This study examined whether changes in lipid levels from adolescence through young adulthood associate with the risk of cardiac damage progression and potential mechanistic pathways. METHODS: From the Avon Longitudinal Study of Parents and Children (ALSPAC), UK birth cohort, 1595 adolescents aged 17 years who had fasting plasma total cholesterol, triglyceride, high-density lipoprotein cholesterol (HDL-c), low-density lipoprotein cholesterol (LDL-c), and non-HDL-c measured at 17- and 24-year clinic visit were included. Echocardiography measured left ventricular mass indexed for height2.7 (LVMI2.7), and LV diastolic function from mitral E/A ratio (LVDF). LVMI2.7 ≥51 g/m2.7 and LVDF<1.5 were categorized as LV hypertrophy and LVD dysfunction, respectively. Multivariable adjusted associations were examined using generalized logit mixed-effect models and structural equation models for mediation analyses. RESULTS: The prevalence of LV hypertrophy increased from 3.6% at baseline to 11.6% at follow-up in males and increased from 1.6% to 4.0% in females. The prevalence of LVD dysfunction increased from 7.8% at baseline to 16.6% at follow-up in males and increased from 10.3% to 15.4% in females. Each 1 mmol increase in total cholesterol (OR, 1.18; [95% CI, 1.09-1.27]), triglyceride (2.89; [1.54-5.43]), LDL-c (1.19; [1.08-1.32]), and non-HDL-c (1.21; [1.11-1.33]) was associated with higher odds of worsening LV hypertrophy progression over 7 years. Increased triglyceride was associated with the odds of progressively worsening LVD dysfunction (1.98; [1.06-3.71]). Increased HDL-c was not associated with the odds of cardiac structural and functional damage. Systolic blood pressure (12% mediation) and fat mass (25% mediation) partly mediated the associations of LDL-c with increased LVMI2.7. CONCLUSIONS: Increased lipids may independently associate with the risk of progressively worsening structural and functional cardiac damage in youth but increased systolic blood pressure and fat mass explained circa forty percent of the relationship.


Assuntos
Colesterol , Hipertrofia Ventricular Esquerda , Masculino , Feminino , Criança , Humanos , Adolescente , Adulto Jovem , Adulto , LDL-Colesterol , Estudos Longitudinais , Fatores de Risco , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Triglicerídeos , Lipoproteínas , HDL-Colesterol
15.
Circulation ; 149(2): 124-134, 2024 Jan 09.
Artigo em Inglês | MEDLINE | ID: mdl-38031887

RESUMO

BACKGROUND: Primary aldosteronism, characterized by overt renin-independent aldosterone production, is a common but underrecognized form of hypertension and cardiovascular disease. Growing evidence suggests that milder and subclinical forms of primary aldosteronism are highly prevalent, yet their contribution to cardiovascular disease is not well characterized. METHODS: This prospective study included 1284 participants between the ages of 40 and 69 years from the randomly sampled population-based CARTaGENE cohort (Québec, Canada). Regression models were used to analyze associations of aldosterone, renin, and the aldosterone-to-renin ratio with the following measures of cardiovascular health: arterial stiffness, assessed by central blood pressure (BP) and pulse wave velocity; adverse cardiac remodeling, captured by cardiac magnetic resonance imaging, including indexed maximum left atrial volume, left ventricular mass index, left ventricular remodeling index, and left ventricular hypertrophy; and incident hypertension. RESULTS: The mean (SD) age of participants was 54 (8) years and 51% were men. The mean (SD) systolic and diastolic BP were 123 (15) and 72 (10) mm Hg, respectively. At baseline, 736 participants (57%) had normal BP and 548 (43%) had hypertension. Higher aldosterone-to-renin ratio, indicative of renin-independent aldosteronism (ie, subclinical primary aldosteronism), was associated with increased arterial stiffness, including increased central BP and pulse wave velocity, along with adverse cardiac remodeling, including increased indexed maximum left atrial volume, left ventricular mass index, and left ventricular remodeling index (all P<0.05). Higher aldosterone-to-renin ratio was also associated with higher odds of left ventricular hypertrophy (odds ratio, 1.32 [95% CI, 1.002-1.73]) and higher odds of developing incident hypertension (odds ratio, 1.29 [95% CI, 1.03-1.62]). All the associations were consistent when assessing participants with normal BP in isolation and were independent of brachial BP. CONCLUSIONS: Independent of brachial BP, a biochemical phenotype of subclinical primary aldosteronism is negatively associated with cardiovascular health, including greater arterial stiffness, adverse cardiac remodeling, and incident hypertension.


Assuntos
Doenças Cardiovasculares , Hiperaldosteronismo , Hipertensão , Masculino , Humanos , Adulto , Pessoa de Meia-Idade , Idoso , Feminino , Aldosterona , Remodelação Ventricular , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/complicações , Renina , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/complicações , Estudos Prospectivos , Estudos de Coortes , Análise de Onda de Pulso , Hipertensão/complicações , Hiperaldosteronismo/complicações , Hiperaldosteronismo/epidemiologia , Átrios do Coração
16.
Nutr Metab Cardiovasc Dis ; 34(2): 299-306, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37788959

RESUMO

BACKGROUND AND AIM: To evaluate the relationship between HDL-Cholesterol (HDL-C), hypertension, and left ventricular hypertrophy (LVH) in a large sample of Caucasian youths with overweight/obesity (OW/OB). METHODS AND RESULTS: A cross-sectional multicenter study was performed in 1469 youths (age 6-16 years) with OW/OB observed in the period 2016-2020. An additional independent sample of 244 youths with an echocardiographic evaluation, observed in a single center was analyzed. The sample was divided in six quantiles (Q) of HDL-C: Q1: >56, Q2: ≤56 > 51, Q3: ≤51 > 45, Q4: ≤45 > 41, Q5: ≤41 > 39, Q6: <39 mg/dL. The nadir of the relationship was identified in youths in the first quantile. Among HDL-Cholesterol quantiles the distribution of hypertension was non-linear with a percentage of 25.0%, 40.1%, 33.6%, 31.3%, 35.2% and 39.7% in the six quantiles, respectively. The percentage of LVH was 21.8%, 43.6%, 48.8%, 35.5%, 38.5% and 52.0% in the six quantiles, respectively. The highest odds [95%Cl] of hypertension were 2.05 (1.33-3.16) (P < 0.01) in Q2, 1.67 (1.10-2.55) (P < 0.05) in Q3 and 1.59 (1.05-2.41) (P < 0.05) in Q6 vs Q1. The odds of LVH were 3.86 (1.15-10.24) (P < 0.05) in Q2, 4.16 (1.58-10.91) (P < 0.05) in Q3 and 3.60 (1.44-9.02) (P < 0.05) in Q6 vs Q1, independently by centers, age, sex, prepubertal stage, and body mass index. CONCLUSION: Contrary to the common belief, the present study shows that high levels of HDL-C may be not considered a negative predictor of hypertension and LVH, two risk factors for future CV disease.


Assuntos
Hipertensão , Sobrepeso , Adolescente , Humanos , Criança , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Estudos Transversais , Obesidade/diagnóstico , Obesidade/epidemiologia , Hipertensão/diagnóstico , Hipertensão/epidemiologia , HDL-Colesterol
17.
J Clin Endocrinol Metab ; 109(2): e488-e494, 2024 Jan 18.
Artigo em Inglês | MEDLINE | ID: mdl-37843399

RESUMO

CONTEXT: X-linked hypophosphatemia (XLH) is a rare genetic disorder that results in increased plasma levels of fibroblast growth factor 23 (FGF23). Several studies have demonstrated a direct association between FGF23 and cardiovascular mortality in cohorts of patients with chronic renal failure. However, in patients with XLH, studies on the cardiovascular impact of the disease are rare, with contradictory results. OBJECTIVE: The aim was to assess whether the disease led to an increased cardiovascular risk. METHODS: We conducted a single-center retrospective observational study on a local cohort of adult patients with XLH. The primary endpoint was a composite endpoint of the frequency of left ventricular hypertrophy (LVH) or presence of high blood pressure. Our secondary objectives were to assess echocardiographic, pulse wave velocity, and central blood pressure data as other markers of CV health. Independently of this cohort, tissue sodium content with magnetic resonance imaging was studied in 2 patients with XLH before and after burosumab. RESULTS: Twenty-two patients were included. Median serum phosphate was 0.57 (0.47-0.72) mmol/L and FGF23 94 pg/L (58-2226). Median blood pressure was 124 (115-130)/68 (65-80) mm Hg, with only 9% of patients being hypertensive. A majority of patients (69%) had no LVH, only 1 had a left ventricular mass >100 g/m² and 25% of patients had left ventricular remodeling. Pulse wave velocity was normal in all patients. No differences in skin and muscle sodium content were observed before and after burosumab in the 2 patients who underwent sodium magnetic resonance imaging. CONCLUSION: We found no elevated risk of developing hypertension or LVH in patients with XLH.


Assuntos
Doenças Cardiovasculares , Raquitismo Hipofosfatêmico Familiar , Hipertensão , Hipofosfatemia , Adulto , Humanos , Raquitismo Hipofosfatêmico Familiar/complicações , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/etiologia , Análise de Onda de Pulso , Fatores de Risco , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia , Hipertensão/complicações , Hipertensão/epidemiologia , Fatores de Risco de Doenças Cardíacas , Sódio , Fatores de Crescimento de Fibroblastos , Fosfatos
18.
J Hypertens ; 42(1): 109-117, 2024 01 01.
Artigo em Inglês | MEDLINE | ID: mdl-37706504

RESUMO

AIM: Gender-based evidence on the association between serum uric acid (SUA) and left ventricular hypertrophy (LVH), as assessed by echocardiography, is still based on single studies. Thus, we performed a systematic meta-analysis of echocardiographic studies in order to provide an updated and comprehensive information on this issue. METHODS: The PubMed, OVID-MEDLINE, and Cochrane library databases were analyzed to search English-language articles published from the inception up to March 31, 2023. Studies were identified by using MeSH terms and crossing the following search items: 'uric acid', 'hyperuricemia', 'left ventricular mass', 'left ventricular hypertrophy', 'echocardiography', 'female', 'male'. RESULTS: Six studies including 2791 normotensive and hypertensive individuals were considered for the analysis. In women, increasing values of SUA were associated with progressively higher values of age, body mass index (BMI) and systolic blood pressure (SBP). This was not the case for men. In women, the meta-analysis comparing LV mass index (LVMI) in low versus high SUA group showed a greater pooled LVMI in the high SUA group [standard means difference (SMD): 0.81 ±â€Š0. 24, confidence interval (CI) 0.34-1.27, P  < 0.0001]. On the contrary, in men no statistical difference was found between the low group and high SUA group (SMD: 0.27 ±â€Š0.27, CI: -0.27/0.81, P  = 0.32). CONCLUSIONS: Our meta-analysis suggests that hyperuricemia portends the likely presence of increased LVMI in women but not in men. However, as hyperuricemia in the female pooled population, different from men, was associated with older age, higher BMI and SBP, the present findings do not support an independent role of the SUA in LV remodelling process in women.


Assuntos
Hipertensão , Hiperuricemia , Masculino , Humanos , Feminino , Hipertrofia Ventricular Esquerda/epidemiologia , Ácido Úrico , Hiperuricemia/complicações , Hiperuricemia/diagnóstico por imagem , Hipertensão/diagnóstico por imagem , Ecocardiografia
19.
J Pediatr ; 266: 113895, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38154521

RESUMO

OBJECTIVE: To describe the epidemiology of reclassification of prehypertensive and unclassified adolescents by 2022 American Heart Association pediatric ambulatory blood pressure monitoring (ABPM) guidelines, and to evaluate the association of the new diagnostic categories with left ventricular hypertrophy (LVH). STUDY DESIGN: A single-center, retrospective review of ABPM reports from adolescents 13-21 years old, from 2015 through 2022, was performed. Adolescents with prehypertension or unclassified by 2014 guidelines were reclassified by 2022 definitions. Logistic regression models evaluated the association of reclassification phenotypes with LVH. RESULTS: A majority of prehypertensive adolescents reclassified to hypertension (70%, n = 49/70). More than one-half (57%, n = 28/49) of the hypertension was isolated nocturnal hypertension, and 80% was systolic hypertension. Reclassification to hypertension was more common in males. The majority (55.6%) of unclassified adolescents were reclassified to normotension. No demographic or clinical variables were associated with reclassification categories. LVH was not associated with hypertension in the reclassified prehypertensive or unclassified groups. CONCLUSIONS: The 2022 ABPM guidelines clearly define blood pressure phenotypes. However, reclassification to hypertension was not associated with an increased odds of LVH. Because most prehypertensive adolescents reclassified as hypertensive by nighttime BPs alone, this study highlights the lowered threshold for nocturnal hypertension. Prospective studies in larger, well-defined cohorts are needed to describe better the predictive value of 2022 BP phenotypes for target organ damage.


Assuntos
Hipertensão , Pré-Hipertensão , Masculino , Humanos , Criança , Adolescente , Adulto Jovem , Adulto , Pressão Sanguínea , Pré-Hipertensão/diagnóstico , Pré-Hipertensão/epidemiologia , Monitorização Ambulatorial da Pressão Arterial , Estudos Prospectivos , American Heart Association , Hipertensão/diagnóstico , Hipertensão/epidemiologia , Hipertensão/complicações , Hipertrofia Ventricular Esquerda/diagnóstico , Hipertrofia Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/etiologia
20.
Niger J Clin Pract ; 26(11): 1630-1636, 2023 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-38044766

RESUMO

BACKGROUND: The initial sign of hypertensive heart disease (HHD) is left ventricular diastolic dysfunction (LVDD), which is caused by remodeling of the left ventricle and left atrium, resulting in impaired relaxation of the left ventricle. LVDD is also partly due to left ventricular hypertrophy (LVH). If left untreated, LVDD can progress to diastolic heart failure and systolic heart failure. In Western countries, the prevalence of LVDD in long-term hypertensive patients ranges from 40.3% to 60%, but it is more common among hypertensive Nigerians. Since systemic hypertension can be asymptomatic in the early stages, it is important to evaluate LVDD early and control blood pressure to slow down its progression. AIMS AND OBJECTIVES: The study aims to highlight the prevalence of LVDD and to determine the stages of LVDD among newly diagnosed hypertensive patients at the University of Maiduguri Teaching Hospital (UMTH). METHOD: The study design is a hospital-based, cross-sectional, observational study. The study population consists of 352 consecutive treatment Naïve hypertensive adult patients aged 18 years and above who presented to the Cardiology Clinic of UMTH from June 2019 to June 2021. The study used the diagnostic criteria for LVDD and LVH which were based on the American Society of Echocardiography and the European Association of Cardiovascular Imaging. RESULTS: A total of 352 newly diagnosed hypertensive patients were recruited, with a mean age of 50.9 ± 11.8 years, and 54.3% were female. The majority of patients (63.6%) were overweight or obese, with a mean body mass index (BMI) of 28.5 ± 4.6 kg/m2. The mean systolic blood pressure (SBP) was 155.7 ± 16.9 mmHg, and the mean diastolic blood pressure (DBP) was 92.8 ± 10.8 mmHg. LVDD was found in 58.5% of the patients, with stage 1 LVDD being the most common (42.6%), followed by stage 2 LVDD (15.9%). The prevalence of LVDD was significantly higher in females compared to males. Patients with LVDD were significantly older and had higher BMI, higher systolic and DBP, higher pulse pressure, higher LAVI, and higher LVMI compared to those without LVDD (P < 0.05). CONCLUSION: LVDD is highly prevalent among newly diagnosed hypertensive patients, with stage 1 being the most common. Female gender, older age, higher BMI, higher blood pressure, higher LAVI, and higher LVMI were significant predictors of LVDD. Early detection and appropriate management of LVDD may help to prevent adverse cardiovascular outcomes in hypertensive patients.


Assuntos
Hipertensão , Disfunção Ventricular Esquerda , Adulto , Masculino , Humanos , Feminino , Pessoa de Meia-Idade , Prevalência , Estudos Transversais , Hipertensão/complicações , Hipertensão/epidemiologia , Hipertensão/diagnóstico , Ecocardiografia , Disfunção Ventricular Esquerda/diagnóstico por imagem , Disfunção Ventricular Esquerda/epidemiologia , Hipertrofia Ventricular Esquerda/diagnóstico por imagem , Hipertrofia Ventricular Esquerda/epidemiologia
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