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Published on: June 15, 2020
Relation of left ventricular hypertrophy to cardiovascular complications in diabetic hypertensives
M A Ghanem Wisam1, J Murin, O Sleiman
11st Department of Internal Medicine, University Hospital, Faculty of Medicine, Comenius University, Bratislava, Slovakia. Wisam_ghanem@yahoo.com
Insights
Diabetic hypertensive patients with left ventricular hypertrophy (LVH) show worse outcomes. Echocardiography revealed LVH in 79 patients, correlating with increased heart failure, renal issues, and other cardiovascular complications.
Area of Science:
- Cardiology
- Internal Medicine
- Hypertension Research
Background:
- Hypertension, diabetes, and atherosclerosis risk factors negatively impact patient prognosis.
- Left ventricular hypertrophy (LVH) is a known complication of hypertension.
- The clinical significance of LVH in diabetic hypertensive patients requires further investigation.
Purpose of the Study:
- To compare clinical findings in diabetic hypertensive patients with and without left ventricular hypertrophy (LVH).
- To assess the impact of LVH on the prognosis and complications in this patient group.
Main Methods:
- Retrospective analysis of 115 hypertensive patient records from 1998-1999.
- Diagnosis and definition of LVH using echocardiography (left ventricular mass index thresholds provided).
- Matched comparison between LVH-positive and LVH-negative groups based on age, sex, hypertension/diabetes duration, and other risk factors.
Main Results:
- LVH was present in 79 patients (mean age 64.6 years) and absent in 36 (mean age 63.3 years).
- LVH-positive patients exhibited significantly higher rates of heart failure, mitral regurgitation, and renal involvement.
- Non-significant trends indicated higher incidences of diastolic dysfunction, myocardial infarction, atrial fibrillation, and stroke in the LVH-positive group.
Conclusions:
- Left ventricular hypertrophy significantly complicates the course of hypertension in diabetic patients.
- Routine investigation for LVH in hypertensive individuals is recommended due to its association with a more severe disease progression.
- Early detection and management of LVH may improve outcomes for hypertensive patients with diabetes.
Abstract:
The presence of diabetes mellitus and other risk factors of atherosclerosis, such as obesity, smoking and hyperlipidemia, in hypertensive patients makes the prognosis worse. Authors compared the clinical findings in diabetic hypertensive patients with and without left ventricular hypertrophy, the presence of which was diagnosed and defined by echocardiography. The study is based on the analysis of hospital records of 115 hypertensive patients treated at our department during the period 1998-1999. Left ventricular hypertrophy (LVH) was defined by echocardiography as left ventricular mass index > 134 g/m2 in men and > 110 g/m2 in women. Left ventricular hypertrophy was found in 79 patients (mean age 64.6 ys) but not in 36 patients (mean age 63.3 ys). Both groups were matched as to age and sex, intensity and duration of hypertension and diabetes, obesity, smoking and hyperlipidemia. In LVH-positive patients, there was a statistically significant incidence of heart failure, mitral regurgitation and renal involvement and a more non-significant incidence of left ventricular diastolic dysfunction, myocardial infarction, chronic atrial fibrillation and stroke than in LVH-negative ones. Left ventricular hypertrophy usually complicates the course of hypertension. Authors recommend to investigate the presence of left ventricular hypertrophy in hypertensives as it carries a much more complicated course of the disease. (Tab. 5, Ref. 28.)
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