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Surgical treatment for myocardial bridge using intraoperative echocardiography. A report of two cases
G Watanabe1, M Ohhira, H Takemura
1Department of Thoracic and Cardiovascular Surgery, Yokohama Sakae Kyousai Hospital, Japan.
Abstract:
Two cases of symptomatic myocardial bridging of the left anterior descending coronary artery (LAD) requiring surgery for relief of exertional angina are reported. High-frequency intraoperative echocardiography was used for imaging of the intramyocardial coronary artery lesions before and after supraarterial myotomy performed under cardiopulmonary bypass. The constricting band of the myocardial bridge could be clearly demonstrated. Supraarterial myotomy was successfully carried out in each patient. We conclude that intraoperative echocardiography for detecting myocardial bridge is a useful tool for supraarterial myotomy.