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Myocardial bridge, surgery or stenting?

^a Department of Cardiovascular Surgery, Cardiovascular Institute, Fu Wai Hospital, Chinese Academy of Medical Science, Peking Union Medical College, 167 Bei Li Shi Road, Fuchengmenwai, Beijing, China
^b Department of Cardiovascular Surgery, Cardiovascular Institute, The First Affiliated Hospital of Tsinghua University, Beijing, China

*Corresponding author. Tel.: +0086-010-86586153; fax: +0086-010-6831 6036.

E-mail address: wlzh7580{at}yahoo.com.cn (L. Wan).

This report reviews the clinical experience of surgical treatment and stent implantation for myocardial bridge over the past 7 years at Fu Wai Hospital. Operations were performed on 15 patients for myocardial bridge. There were 10 male and 5 female patients aged from 35 to 67 years (mean age, 49.2 years). Nine of them were associated with other cardiac diseases and the remaining six were MB only. Another 4 patients accepted stent implantation. There were 3 male patients and 1 female patient with a mean age of 57.6 years ranging from 46 to 66 years. All of them were for MB only. In the surgical group 8 patients underwent coronary artery bypass grafting by using the other internal mammary artery and the 7 underwent myotomy on myocardial bridge. All patients survived the operation and recovered uneventfully. Follow-up showed no late death, readmission, or angina complaint. The patients in the stenting group got excellent angiography results after intervention. Follow-up showed that two patients had typical angina within 3 months and 7 months, respectively, after stenting and readmission. The post-angiography showed that moderate intimal proliferation and systolic compression still existed in these patients. Excellent early and late surgical results were obtained in all patients. Compared with stenting, surgical treatment may be a better choice.

Key Words: Myocardial bridge; Surgical treatment; Stent implantation