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Case Reports
. 1995 Oct;36(2):173-8.
doi: 10.1002/ccd.1810360219.

Extensive intramural hematoma as the cause of failed coronary angioplasty: diagnosis by intravascular ultrasound and treatment by stent implantation

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Case Reports

Extensive intramural hematoma as the cause of failed coronary angioplasty: diagnosis by intravascular ultrasound and treatment by stent implantation

G S Werner et al. Cathet Cardiovasc Diagn. 1995 Oct.

Abstract

Dissections after coronary angioplasty are the major cause of ischemic events following percutaneous transluminal coronary angioplasty (PTCA) and may require additional measures such as intravascular stent deployment to relieve or prevent acute vessel closure. We describe a rare type of dissection after PTCA which caused a severe obstruction of the vessel segment proximal to the dilatation site without a visible dissection flap. Intravascular ultrasound was used to elucidate the morphology of the proximal vessel obstruction, which revealed an intramural hematoma extending into the proximal vessel segment as underlying mechanism. A Palmaz-Schatz stent was placed at the entry site of this hematoma, which led to the relief of the proximal vessel obstruction. After 3 months of anticoagulation therapy the repeat coronary angiography showed no significant restenosis. This demonstrates the unique insight into the underlying morphology of failed PTCA by intravascular ultrasound, which can help to manage even rare and unusual complications.

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