目的对二尖瓣替换术前后左心室舒张功能的研究。
Objective To study pre and postoperative left ventricular diastolic function in patients with mitral valve replacement.
结果与对照组比较，保留二尖瓣装置的二尖瓣替换术后心功能恢复更好。
The follow -up data and results of two groups were studied and compared.
结论保留二尖瓣装置的二尖瓣替换术优于切除二尖瓣装置的二尖瓣替换术。
Conclusion the mitral valve replacement of reserving mitral valve structure is superior to the mitral valve replacement of excising mitral valve structure.
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