Objective to study the effect of urination training before operation on autonomous urination of the surgical patients after operation.

目的探讨外科手术病人术前排尿练习对术后病人自主排尿的影响。

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Objective: To study the effect of antepartum urination training on obviation or reduction of dysuria and urinary retention after spontaneous delivery.

目的：探讨孕妇产前进行排尿训练对和减少顺产后排尿困难及尿潴留的效果。

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Objective:To explore the influence of urination training in bed before percutaneous coronary intervention(PCI) on the occurrence of uroschesis and hemorrhage in the puncture site after PCI.

目的：探讨术前床上排尿训练对经皮冠脉介入术后尿潴留及穿刺处出血的影响。

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