Mitral valve replacement

Mitral valve replacement is a cardiac surgical procedure in which a patient’s diseased mitral valve is replaced by either a mechanical or bioprosthetic valve. Mitral valve replacement is performed when the valve becomes too tight (mitral valve stenosis) for blood to flow into the left ventricle, or too loose (mitral valve regurgitation) in which case blood can leak back into the left atrium and thereby back into the lung. Mitral valve disease can occur from infection, calcification, inherited collagen disease, or other causes. Since a mitral valve replacement is an open heart surgical procedure, it requires placing the patient on cardiopulmonary bypass.

单词	Mitral valve replacement
释义	Mitral valve replacement 英语例句库 Objective To retrospectively review the experience of mitral valve replacement after mitral commissurotomy in 39 cases. 总结二尖瓣闭式扩张术后行瓣膜置换术的经验。英语百科 Mitral valve replacement Mitral valve replacement is a cardiac surgical procedure in which a patient’s diseased mitral valve is replaced by either a mechanical or bioprosthetic valve. Mitral valve replacement is performed when the valve becomes too tight (mitral valve stenosis) for blood to flow into the left ventricle, or too loose (mitral valve regurgitation) in which case blood can leak back into the left atrium and thereby back into the lung. Mitral valve disease can occur from infection, calcification, inherited collagen disease, or other causes. Since a mitral valve replacement is an open heart surgical procedure, it requires placing the patient on cardiopulmonary bypass.
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