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European Heart Journal 1991 12(1):24-29;
Copyright © 1991 by the European Society of Cardiology.
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© 1991 The European Society of Cardiology

Excimer laser angioplasty in coronary artery disease

G. WERNER, A. BUCHWALD, C. UNTERBERG, E. VOTH*, H. KREUZER and V. WIEGAND

Departments of Cardiology and University of GÖttingen Germany
*Nuclear Medicine,University of GÖttingen Germany

Received 4 January 1990; revised 18 April 1990; .

Address for correspondence. Prof. V. Wiegand, Department of Cardiology, University of Gottingen,Robert Kochstr. 40, 34 Gottingen, Germany.

Abstract

The results of coronary excimer laser angiolasty were evaluated in 70 patients. Forty-five patients had laser angioplasty of coronary stenoses. Twenty-five patients in a total of 35 attempts had wire-guided laser ecanalization of cronic coronary occlusions, resulting in a success rate of 71%. Immediate results in both groups demonstrated the effcacty of this thechnique without serious side-effects. Stenoses were reduced from 90±5% to 45±18% diameter reduction (mean±standard deviation) by excimer laser agioplasty. Residual stenosis in recanalized vessels after laser angioplasty was 52±19%. In slightly more than half of the patients with a residual stenosis ≥50% after excimer laser angioplasty, subsequent balloon angioplasty was performed for further stenoisis reduction. While satisfactory immediate results were achieved by excimer laser angioplasty intermediate folow-up revealed a restenosis rate in the same rage as with balloon angioplasty.

Key Words: Coronary angioplasty • excimer laser • coronary stenoses • coronary occlusions


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