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本文报告先天性心脏病患儿动脉血CO_2分压(Pa-CO_2)和呼气末CO_2分压(ETCO_2)差的变化及其原因:方法35例体重小于5kg,无呼吸系统疾病,施行心脏矫治手术的婴儿,按有无紫绀分为两组:Ⅰ组为非紫绀型11例,Ⅱ组为紫绀型24例,以氧化亚氮和七氟醚诱导,芬太尼、安定、泮库溴胺维持麻醉,气管插管后控制呼吸,在麻醉诱导后、仰卧位及手术开始前采动脉血样本,同时记录ETCO_2。结果Ⅰ、Ⅱ组ETCO_2分别为32.4±6.9mmHg
This article reports the changes of arterial blood CO 2 partial pressure (Pa-CO 2) and end-tidal CO 2 partial pressure (ETCO 2) in children with congenital heart disease and their causes. Methods: 35 patients with less than 5 kg body weight and no respiratory disease underwent cardiac correction The infants who underwent surgery were divided into two groups according to the presence or absence of cyanosis: group Ⅰ was non-cyanotic in 11 cases, group Ⅱ was cyanotic in 24 cases, and nitrous oxide and sevoflurane-induced fentanyl, diazepam, pancuronium Maintain anesthesia, control the respiration after tracheal intubation, after induction of anesthesia, supine position and the arterial blood samples taken before surgery began, while recording ETCO_2. Results The ETCO_2 of group Ⅰ and Ⅱ were 32.4 ± 6.9mmHg respectively