Objective: to study the causes of postoperative complications in 156 patients with permanent pacemaker implantation and the measures to decrease postoperative complications.
目的：分析156例埋植永久性心脏起搏器产生并发症的原因以减少并发症。
Conclusion PPH plus MilliganMorgan methods is a safe and effective way for circumferential mixed hemorrhoid. This way can decrease postoperative complications and improve the curative effect.
结论PPH术联合外剥内扎术治疗环状混合痔是一种安全有效方法，可减少术后并发症，提高手术疗效。
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