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KMID : 0368119920220040547
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Korean Circulation Journal
1992 Volume.22 No. 4 p.547 ~ p.556
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Protection of Myocardial Ischemia During PTCA with the Autoperfusion Balloon Chatheter
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Abstract
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Background:
@EN An autoperfusion balioon catheter (ABC) was developed to allow passive myocardial perfusion during balloon inflation, through through a central oumen and multiple side hole in the shaft proximal and distal to the balloon.
The ABC affords greater safety in performing PTCA of high risk stenosis involving the near ostium of the right coronary. the proximal left anterior descending (LAD) just proxiaml to the left circumflex artery and left main equivalent coronary
arteries.
@ES Methods and results:
@EN In case 1, a seventy five percent right coronary osteal stenosis was reduced to less than 10 percent residual narrowing after PTCA with the ABC. In case 2, a seventy five percent proximal LAD (Just prosimal to left cirumflex artery) stenosis
was
reduced to less than 20 percent residual narrowintg after P"TCA with the ABC. In case 3, coronary angiogram demonstrated a 40 percent stenosis in the distal left main coronary artery as well as 80 percent stenosis in the proximal LAD. PTCA with
the
ABC
was performed without significant hemodynamic compromise, achieving a less than 20 percent and 40 percent residual stenosis of the distal left main and the proximal LAD respectively.
@ES Conclusions:
@EN 3 patients who would have required CABG had successful PTCA using the ABC. This ABC significantly reduces ischemic symptoms and signs during PTCA, allowing prolonged periods of balloon inflation.
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KEYWORD
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