目的：探讨数字减影血管造影(DSA)引导全麻下经气管导管内行气管支架置入术的疗效、安全性和可行性。方法：选取36例行气管支架置入的气道恶性狭窄患者，采用全麻并通过气管导管内置入气管支架，分析患者支架置入术前后血氧饱和度、卡氏量表(KPS)评分及植入支架后的生存时间等指标。结果：DSA引导全麻下36例患者支架均成功置入，患者术后血氧饱和度与术前相比差异显著(t=-17.30，P＜0.05)；术后KPS评分与术前相比有差异(t=-19.00，P＜0.05)。结论：DSA引导全麻下通过气管导管内置入气管支架能有效解除气道狭窄，其技术安全可行，操作简单，为临床治疗气道重度狭窄患者提供了一种新的安全治疗手段。%Objective:To explore the efficacy, safety and feasibility of airway stent underwent through the endotracheal tube by the guidance of DSA for tracheal stenosis.Methods:36 patients (26 men and 10 women) with severe airway stenoses received a general anesthesia. After the patients were anesthetized, the stents were placed through the endotracheal tube with fluoroscopic guidance. Arterial blood oxygen saturation, the Karnofsky Performance Status (KPS) score and the survival time after placing the stents were assessed.Results: There were significant differences between preoperative arterial blood oxygen saturation and after the operation, and there were significant differences between preoperative Karnofsky Performance Status (KPS) score and postoperative KPS score.Conclusion:Stent placement through the endotracheal tube under general anesthesia can effectively relieves the airway stenosis. The technique was feasible, simple and safe, and it can provide a novel and safe method for the treatment of airway stenosis.
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