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Cathet Cardiovasc Diagn. 1993 Apr;28(4):301-10.

A prospective, randomized, and double-blind trial on the effect of fish oil on the incidence of restenosis following PTCA.

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1
Department of Cardiology, University of Cologne, Federal Republic of Germany.

Abstract

Restenosis after successful coronary angioplasty (PTCA) occurs in 25-35% of all procedures. To date, most pharmacologic strategies have failed to reduce the restenosis rate significantly. However, recent studies have suggested a potential benefit of dietary supplementation with omega-3 fatty acids (fish oil) on restenosis following PTCA. The benefit of omega-3 polyunsaturated fatty acids on the incidence of coronary artery restenosis following elective PTCA was assessed in 212 consecutive patients (41 female, 171 male). Following a successful angioplasty, 204 patients received a dietary supplementation with either nine capsules containing fish oil (3.15 g omega-3 fatty acids) or nine placebo capsules containing olive oil. Treatment was started immediately after PTCA and maintained over 4 mon. Compliance was assessed by analysis of lipid fatty acids prior to angioplasty and at 4 mon follow-up. The angiographically determined incidence of restenosis (stenosis diameter > 50%) was 31.2% per lesion in patients receiving fish oil and 33.7% in patients receiving olive oil. Gross progression of coronary artery disease in vessels not subjected to angioplasty was 17% and 16%, respectively. In conclusion, low dose fish oil supplementation begun on the day of a successful coronary angioplasty failed to demonstrate any effect on coronary artery restenosis.

PMID:
8462079
[Indexed for MEDLINE]
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