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  • Title: Left ventricular hypertrophy in hypertensive patients in Indian primary care: prevalence and effect of treatment with sustained release indapamide.
    Author: Lokhandwala Y, Damle A.
    Journal: Curr Med Res Opin; 2004 May; 20(5):639-44. PubMed ID: 15140328.
    Abstract:
    OBJECTIVE: Epidemiologic studies indicate an ethnic determinant of left ventricular hypertrophy (LVH), but its prevalence in hypertensive Asian Indians at diagnosis is not known. The observation that LVH regression reduces cardiovascular risk independent of blood pressure, suggests that initial antihypertensive treatment, which also regresses LVH is a desirable goal. This study investigates the prevalence of LVH and its regression with indapamide sustained release (Natrilix SR) in untreated Indian hypertensive patients managed in the primary care setting. DESIGN AND METHODS: Randomly selected physicians serving a defined population recruited untreated hypertensive patients to determine prevalence of LVH. All patients then received indapamide SR treatment for 6 months. LVH was assessed by echocardiography. All measurements were centralized and interpreted by a single blinded observer. MAIN OUTCOME MEASURES: The primary treatment outcomes were the percentage of patients whose LVH regressed with treatment and the number of patients who achieved a blood pressure below 140/90 mmHg. RESULTS: Of the 86 patients recruited, 21 (24.4%, 95% confidence interval (CI) 15.3-33.8) had LVH. There were 11 cases (26.2%) in men, 10 (22.7%) in women, and 15 (32.6%) in those above 50 years. Treatment regressed LVH in 16 (76.2%, 95%CI, 58.0-94.4) by a mean of 25.4 g/m2 (95%CI, 2.8-47.7, p< 0.05). Blood pressure was controlled in 71 (82.6%, 95%CI, 74.5-90.6) patients. CONCLUSION: Prevalence of LVH in untreated Indian hypertensive patients is similar to that in white western populations. Initial indapamide SR treatment is effective in both controlling blood pressure and regressing LVH in the primary care setting.
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