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. 1997 May;86(5):373-9.
doi: 10.1007/s003920050071.

[Rate of restenosis after PTCA in patients with terminal renal failure. A quantitative coronary angiography study]

[Article in German]
Affiliations

[Rate of restenosis after PTCA in patients with terminal renal failure. A quantitative coronary angiography study]

[Article in German]
F Gradaus et al. Z Kardiol. 1997 May.

Abstract

Patients with end-stage renal disease (ESRD) have a high incidence of coronary artery disease. In 30-60% of these patients coronary artery disease can be demonstrated by coronary angiography often prompting myocardial revascularization. Previous studies on PTCA in patients with ESRD have suggested a high rate of procedural complications and restenosis. We studied the rate of restenosis after PTCA in 23 patients with chronic renal failure (17 males, 6 females, age: 52.5 +/- 18.3 years). After primarily successful PTCA all patients were restudied angiographically within 6-12 months. Using quantitative coronary angiography 13 patients (56%) demonstrated restenosis (stenosis > 50% luminal diameter). In 11 of these patients further revascularization therapy was indicated (6 x PTCA, 5 x CABG). Before follow-up angiography 12 patients demonstrated recurrence of angina pectoris, the sensitivity of clinical symptoms for angiographic restenosis was 69%. High concentrations of triglycerides (265 +/- 160 mg/dl), total cholesterol (258 +/- 53 mg/dl) with low HDL-levels (34 +/- 14 mg/dl) as well as elevated plasma levels of fibrinogen (481 +/- 114 mg/dl) were measured before PTCA. The mechanisms contributing to the high rate of coronary restenosis in patients with ESRD remain unclear, influence of lipid abnormalities, hemostatic factors and fibrinolytic state as well as primarily uremic factors have to be discussed. Prospective interventional studies are needed to address the relevance of PTCA for myocardial revascularization in this patient group.

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