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目的 :探讨人工机械通气下危重症病人进行支气管肺灌洗术 (BAL)治疗的新途径。方法 :保持人工机械通气的同时应用纤维支气管镜经气管导管外侧旁路插入气管内行BAL治疗。术中比较治疗前、中和后 6h的血气结果以及疗效。结果 :8例病人共 9次行BAL ,均获成功。BAL前与中比较PaO2 、SaO2 下降无显著差异(P >0 .0 5 ) ,而BAL后 6h与BAL前比较PaO2 、SaO2 均显著升高 (P <0 .0 1和P <0 .0 5 ) ,PaCO2 显著下降 (P<0 .0 1)。结论 :改良法行BAL是一种安全、有效的方法。
Objective: To explore a new way to treat bronchial lung lavage (BAL) in critically ill patients under artificial mechanical ventilation. Methods: To maintain the mechanical ventilation at the same time by fiberoptic bronchoscopy by tracheal catheter lateral bypass inserted intratracheal BAL treatment. Intraoperative comparison of 6h before and after treatment of blood gas results and efficacy. Results: BAL was performed in 9 patients in 8 patients, all of whom were successful. There were no significant differences in PaO2 and SaO2 between before and after BAL (P> 0.05), but PaO2 and SaO2 at 6h after BAL were significantly higher than those before BAL (P <0.01 and P <0.05) ), PaCO2 decreased significantly (P <0.01). Conclusions: Improving BAL is a safe and effective method.