PMID: 19927630Nov 26, 2009Paper

Comparison of amiodarone plus irbesartan regimen versus amiodarone alone on maintaining sinus rhythm in rheumatic heart disease patients with persistent atrial fibrillation post valve replacement and cardioversion

Zhonghua xin xue guan bing za zhi
Ping DingYi-qiang Yuan

Abstract

To compare the efficacy of combined amiodarone and irbesartan use versus amiodarone alone on maintaining sinus rhythm in rheumatic heart disease patients with persistent atrial fibrillation (AF) post valve replacement and cardioversion. Patients were randomly divided into amiodarone group (A, n = 31) and amiodarone plus irbesartan group (AI, n = 32) and all patients received Warfarin (INR 2.0 - 3.0). For patients in group A, intravenous amiodarone (600 mg/d) was applied for 10 days and oral amiodarone (200 mg, b.i.d.) was given on the 7th day for 3 days. For patients in group AI, irbesartan (150 mg/d) was added on top of amiodarone at the study begin. Electric cardioversion was performed for patients still with AF on day 10. Amiodarone (200 mg, b.i.d. for 1 week, then 200 mg, q.d. till study end) with or without irbesartan (150 mg/d) was continued thereafter. Patients were followed up for 12 months after sinus rhythm recovery. The primary end points are first recurrence of symptomatic and asymptomatic AF. Twelve months post therapy, number of patients on sinus rhythm was significantly higher (68.7% vs. 41.9%, P<0.05) and left atrium diameter (LAD) was significantly smaller [(48.6 +/- 4.6) mm vs. (51.5 +/- 4.2) mm, P<0.05] in gr...Continue Reading

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