Morphology of coronary lesions in the prediction of early ptca outcome

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Abstract
The coronary lesions in 164 patients who underwent 194 PTCA procedures were analyzed in an effort to define if there were morphological characteristics that would predict thrombotic problems following percutaneous transluminal angioplasty (PTCA). Patients with smooth and concentric or eccentric lesions rarely had difficulty at PTCA, whereas those with filling defects or with eccentric and irregular lesions frequently had postprocedure thrombi. Total occlusions were amenable to angioplasty when there was lesion staining present, but the success rate was significantly less in patients in whom there was no staining. These findings suggest that the acute outcome of PTCA can be predicted on the basis of the morphology of coronary lesions on preprocedure angiography.