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The Adjustment of Breath Frequency and Tidal Volume during Laparoscopic Cholecystomy under General Anaesthesia
Author(s): 
Pages: 200-201
Year: Issue:  3
Journal: CHINESE JOURNAL OF MODERN OPERATIVE SURGERY

Keyword:  麻醉全身胆囊切除术腹腔镜呼吸频率潮气量;
Abstract: 目的探讨全麻腹腔镜胆囊切除术(LC)气腹后呼吸频率及潮气量的调控. 方法 ASAⅠ~Ⅱ成人患者48例,随机分成4组,全麻气管插管后机器控制呼吸,呼吸频率10次/min,潮气量10 ml/kg,气腹后Ⅰ组维持不变,Ⅱ、Ⅲ、Ⅳ组潮气量改为8 ml/kg,呼吸频率分别为14次/min、16次/min、18次/min,监测患者气腹前及气腹后20 min的平均动脉压(MAP)、呼气末二氧化碳分压(PETCO2)、气道压力峰值(PEAK). 结果Ⅰ组气腹后PETCO2显著升高,显示有通气不足,同时MAP、PEAK均显著升高.Ⅳ组PETCO2下降,显示有过度通气.Ⅱ、Ⅲ组PETCO2正常. 结论全麻腹腔镜胆囊切除术气腹后采用8 ml/kg的潮气量和14~16次/min的呼吸频率较为合适.
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