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On-pump beating-heart mitral valve plasty without aortic cross-clamping

Authors
  • Mizuno, Tomohiro1
  • Arai, Hirokuni2
  • 1 Machida Municipal Hospital, Department of Cardiovascular Surgery, Machida Municipal Hospital, Department of Cardiovascular Surgery, 2-15-41 Asahi-Chou, Tokyo, Machida, 194-0023, Japan , Tokyo (Japan)
  • 2 Tokyo Medical and Dental University, Department of Thoracic and Cardiovascular Surgery, Faculty of Medicine, Tokyo, Japan , Tokyo (Japan)
Type
Published Article
Journal
The Japanese Journal of Thoracic and Cardiovascular Surgery
Publisher
Springer-Verlag
Publication Date
Oct 01, 2006
Volume
54
Issue
10
Pages
454–457
Identifiers
DOI: 10.1007/s11748-006-0031-4
Source
Springer Nature
Keywords
License
Yellow

Abstract

Patients with ischemic cardiomyopathy often have mitral regurgitation, which should be corrected for better long-term survival. Mitral valve surgery is usually performed during cardiopulmonary bypass under the arrested heart condition. The ascending aorta is cross-clamped and the heart is arrested using a cardioplegic solution. However, because ischemic cardiomyopathy patients often have a severely atherosclerotic ascending aorta and low cardiac function, aortic cross-clamping and cardiac arrest increase the risk of postoperative thromboemboli and low cardiac output syndrome. Under the on-pump beating-heart condition, we performed mitral valve plasty concomitant with coronary artery bypass grafting, tricuspid annuloplasty, left ventricular aneurysmectomy, and the maze procedure without aortic cross-clamping for a patient with ischemic dilated cardiomyopathy and bradycardial atrial fibrillation. The patient had no postoperative complications and recovered rapidly. Thus, to prevent serious postoperative complications, on-pump beating-heart mitral valve surgery without aortic cross-clamping may be a suitable surgical option for patients with ischemic cardiomyopathy.

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