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Retrograde dissection extending into the sinus of Valsalva is a rare complication during percutaneous coronary intervention. That may occur due to trauma to the ostium from catheter manipulation and may sometimes require surgical repair. A 50-year old male patient was admitted because of chest pain. During catheterization of the right coronary artery (RCA) after ergonovine test, we encountered coronary artery dissection with retrograde dissection of right sinus of Valsalva leading to RCA occlusion. Then we placed coronary artery stent (4.0× 24 mm Driver stent) at right coronary artery ostium and his coronary blood flow of RCA was recovered and no further extension of dissection was observed. Here, we present a case of acute myocardial infarction which resulted from the acute dissection of the sinus of Valsalva with obstruction of the right coronary ostia by intimal flap during angiography.

A Case of Retrograde Dissection at the Right Sinus of Valsalva Resulted from Dissection of Right Coronary Artery during Ergonovine Test