OBJECTIVES: This study sought to evaluate the intravascular structure as depicted by intravascular ultrasound after successful primary angioplasty (i.e., without thrombolytic therapy) for @entity583 and to investigate the related predictors of acute @entity1563 . BACKGROUND: The usefulness of primary angioplasty for @entity583 is still limited by early reocclusion. There are few data regarding the intravascular ultrasound findings after primary angioplasty. METHODS: Intravascular ultrasound was performed in 27 @entity1 after successful primary angioplasty. Repeat coronary angiography was performed 15 min later, on the following day and 1 month after angioplasty. RESULTS: Abrupt occlusion occurred in 8 of 27 @entity1 . Angiographic variables in @entity1 with versus those without @entity432 were not significantly different. Intravascular ultrasound disclosed a significantly smaller lumen area ([mean +/- SD] 2.49 +/- 0.72 vs. 5.06 +/- 1.52 mm2, p < 0.001) and a significantly greater percent plaque area (80.5 +/- 9.1% vs. 63.7 +/- 7.8%, p < 0.001) in @entity1 with @entity432 . There was no significant difference in external elastic membrane cross-sectional area. We classified the ultrasound appearance of the intravascular structure as smooth, irregular or filled. Abrupt occlusion occurred in none of 6 @entity1 with a smooth intravascular structure, 24% of 17 @entity1 with an irregular structure and in all 4 with a filled structure (p < 0.05). In the latter group, the lumen was filled with bright speckled or low echogenic material, although angiography revealed excellent coronary dilation in all these arteries. CONCLUSIONS: Intravascular ultrasound revealed a narrow lumen in coronary arteries showing @entity432 after successful primary angioplasty, even though angiography disclosed successful dilation. Arteries with a lumen filled with bright speckled or low echogenic material frequently develop @entity432 .

Intravascular ultrasound findings after successful primary angioplasty for XXXX : predictors of @entity432 .

@entity1 :: ('9606', 'Species') :: ['patients'] @entity583 :: ('MESH:D009203', 'Disease') :: ['acute myocardial infarction'] @entity1563 :: ('MESH:D054059', 'Disease') :: ['coronary occlusion'] @entity432 :: ('MESH:D001157', 'Disease') :: ['abrupt occlusion']
@entity583 :: (MESH:D009203,Disease) :: ['acute myocardial infarction']
