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目的探讨支撑喉镜下声门暴露困难的预测方法及处理。方法对2003年1月～2008年6月施行支撑喉镜手术的586例患者,术前采用间接喉镜检查及Yamamoto分级,3级以上评定为声门暴露困难的危险因素。结果35例术前评定为3级以上患者中14例术中出现声门暴露困难。结论间接喉镜下Yamamoto分级可用于术前预测支撑喉镜声门暴露困难,术前评估为3级以上者,术中声门暴露困难发生率高。
Objective To explore the prediction method and treatment of glottis exposure under support laryngoscope. Methods From January 2003 to June 2008, 586 patients undergoing laryngoscopy were treated with indirect laryngoscopy and Yamamoto grading before operation, and those with grade 3 or above were assessed as risk factors for exposure to glottis. Results Of the 35 patients with grade 3 or above, 14 patients had glottic exposure difficulties. Conclusion The Yamamoto grading under indirect laryngoscope can be used to predict the glottic exposure of laryngoscope before surgery. The preoperative assessment is grade 3 and the incidence of intraoperative glottic exposure is high.