Abstract 203: Long-term Outcome Of Kawasaki Disease With Giant Coronary Aneurysms Which Waste Cardiac Follow-up; A Case Report

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We report 2 cases of Kawasaki disease (KD) which required surgical interventions long after initial diagnosis. Case 1: Twenty-one years-old male. He was diagnosed as KD at the age of 1. Despite he received intravenous gamma-globulin therapy, bilateral giant coronary aneurysms were formed. In addition, multiple aneurysms include abdominal, iliac and axillary arteries were formed simultaneously. Coronary angiography (CAG) was thought to be dangerous because of iliac artery aneurysm formation. He received medical follow-up with aspirin administration only. He referred to our department at the age of 13. Ischemic changes were confirmed on both treadmill exercise test and cardiac scintigraphy. CAG showed 75% right coronary artery (RCA) stenosis and 99% left main trunk stenosis. Coronary artery bypass grafting (CABG) was performed and his postoperative course has been uneventful. Case 2: Thirty-seven years-old male. He was diagnosed as KD at the age of 1. Left giant coronary aneurysms were formed and subsequently aneurysm was occluded. Aspirin was administrated, but he interrupted medication and follow-up for himself. He referred to our institution due to cardiopulmonary arrest during exercise. After successful resuscitation, CAG revealed total occlusion of RCA and 99% left coronary artery stenosis. Emergent CABG was performed and no postoperative sequel has occurred. Both cases didn’t receive sufficient assessment during the follow-up period. As a result, fatal cardiac event was occurred in case 2. Coronary aneurysm tends to change into combine aneurysmal and stenotic lesion. Long time follow up is necessary even if patients have no symptom.

In addition, to decrease lost follow up patients, we should explain the risk of sudden cardiac death repeatedly and emphasis necessity of long term follow-up and medication.

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