Objectives: To discuss the characteristics of nursing care of patients with cardiomegaly after heart valve replacement operation.

目的：探讨巨大心脏瓣膜置换术后的护理特点。

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Objective The saline-irrigated radiofrequency modified maze procedure was applied for atrial fibrillation during mitral valve replacement operation.

目的报告二尖瓣置换时采用盐水冲洗的射频改良迷宫手术治疗心房颤动。

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Methods- 33 patients were undergone mechanical valve replacement, the others were performed routine congenital heart disease operation.

方法机械瓣膜置换术33例，其他多为先天性心脏病纠治术。

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Without a valve replacement operation, half of these patients die within two years, yet many are too weak to have one.

NPR: Heart Repair Breakthroughs Replace Surgeon's Knife