Objective To investigate the clinical efficacy of nasal endoscopic surgery for deviation of nasal septum with personalized three lines tension relaxing correction and discuss its advantages and disadvantages, com-pared with traditional corrective surgery. Methods A total of 312 patients underwent traditional corrective surgery (the control group), and 347 patients underwent endoscopic surgery for deviation of nasal septum with personalized three lines tension relaxing correction (the study group). Their clinical data were retrospectively analyzed and com-pared between the two groups. Results The operative time, blood loss, mucosal damage rate and postoperative septal hematoma, septal swing, dorsum collapse of the study group were significantly lower than those of the control group (P<0.05). However, no significant difference in satisfaction rate of correction under endoscopy was observed between the two groups (P>0.05). Conclusion With advantages of shorter operative time, less bleeding, less invasion and fewer complications, the endoscopic surgery for deviation of nasal septum with personalized three lines tension relax-ing correction, which maximized the retention of the nasal bone scaffold, meets the needs of the physiological function of the nasal cavity and minimally invasive principles.%目的：探讨三线减张法矫正鼻中隔偏曲的个性化技巧和疗效及较传统方法的优缺点。方法回顾性分析312例传统方法及347例个性化三线减张法鼻中隔矫正患者资料并进行比较。结果三线减张组手术时间、出血量、黏膜破损率及鼻中隔血肿、鼻中隔摆动、鼻背塌陷发生率低于传统组，差异均有统计学意义(P<0.05)，两组鼻中隔矫正满意率比较差异无统计学意义(P>0.05)。结论个性化三线减张法鼻中隔矫正手术时间短、出血少、创伤小、并发症少，最大限度保留了鼻中隔骨性支架，更符合鼻腔的生理功能需要及微创原则。
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