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。
This is evidenced by the decrease in postoperative respiratory complications in patients who have quit smoking cigarettes for at least 8 weeks before surgery.
已经证实术前戒烟至少8周可减少术后呼吸系统并发症。
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