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探讨对内窥镜鼻窦手术（ＦＥＳＳ）疗效起决定性作用的手术操作的有关影响因素。方法：回顾分析ＦＥＳＳ临床病例２１５例。结果：随访６～２４个月，临床治愈率为７５．８％，总有效率为９６．３％。术前３ｄ服止血药者与术前未服或服药少于１ｄ者出血量有显著性差异（Ｐ＜０．０１）。结论：术者的熟练程度、内窥镜手术器械的选择、术前用药、麻醉方法、鼻窦解剖、鼻息肉鼻窦炎的类型等对手术操作的影响甚大。
To explore the influential factors of the surgical operation that plays a decisive role in the treatment of endoscopic sinus surgery (FESS). Methods: A retrospective analysis of 215 FESS clinical cases. Results: The follow-up of 6 to 24 months, the clinical cure rate was 75.8%, the total effective rate was 96.3%. There was a significant difference in the amount of bleeding during the preoperative 3 d hemostatic treatment compared with that before operation or less than 1 d before taking medication (P <0.01). Conclusion: The surgeon’s proficiency, choice of endoscopic surgical instruments, preoperative medication, anesthesia, sinus anatomy, nasal polyps sinusitis and other types of surgery have a great impact.