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The Comparison of clinical and echocardiographic features in stress-induced apical and non-apical balloning |
대구가톨릭대학병원 순환기 내과¹ ,건양대학병원 순환기내과² ,경북대학병원순환기내과³,계명대학교동산의료원 순환기내과 ⁴,동아대학병원 순환기내과 5,부산메리놀병원순환기내과 6영남대학병원순환기내과 7 |
김소연¹, 김기식¹ ,최지용¹ ,장성국¹ ,김기영² ,양동헌³ ,채성철³ ,조윤경⁴ ,김형섭 ⁴ ,박태호5,조경임 6홍그루7 |
Background:Recently, variable patterns of wall motion abnormality(WMA) without involving apex in stress-induced cardiomyopathy have been reported. The aim of this study was to evaluate the clinical and echocardiographic features of stress-induced apical balloning and non-apical ballooning. Methods:During a nine-year period (1999-2007), 61 patients were clinically diagnosed as stress-induced cardiomyopathy. We analyzed 60 patients who fulfilled the following criteria: 1) regional WMA, 2) absence of obstructive coronary disease corresponding to region of WMA and 3) absence of recent head trauma, intracranial hemorrhage, pheochromocytoma, and known cardiomyopathies. Results:Forty-four patients showed typical apical WMA, and 16 showed non-apical WMA. The patients with apical WMA (A group) were more frequently complained chest pain than patients with non-apical WMA (N group). The patients in A group had more diabetes. However, serious complications including cardiogenic shock, pulmonary edema and arrhythmia were more frequent in N group. The ratio of E/Em was higher in A group. Conclusions:Stress-induced non-apical ballooning might have different features in patient’s characteristics, complications and echocardiographic parameter compared with typical apical ballooning.
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