Key result
Adverse coronary lesion morphology can trigger repeated balloon catheter ruptures and subintimal staining during angioplasty.
Why the study?
Balloon rupture during coronary angioplasty may result from lesion morphology, but detailed case evidence is limited.
Highlights that specific coronary lesion morphology can cause recurrent balloon catheter rupture during angioplasty.
May indicate lesion morphology as balloon rupture risk in PCI; hypothesis-generating case report requiring confirmation.
We report a case of coronary angioplasty of a left anterior descending artery lesion that was complicated by the rupture of three successive balloon catheters. Each rupture occurred as a pinhole jet of contrast into a diagonal side branch, causing subintimal staining. This case demonstrates that balloon rupture may result from lesion morphology.
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Kahn et al. (1990) studied this question. Coronary lesion morphology during angioplasty can directly cause balloon catheter rupture, as demonstrated by a case of three successive ruptures with subintimal staining.
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