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55例择期妇科腹腔镜手术，按疾病不同分为宫外孕组20例，单纯卵巢或输卵管囊肿组20例，盆腔粘连组15例。术中连续监测PETCO2，并于全麻诱导后CO2气腹建立前、CO2气腹30min后、改变通气量30min后测血气。结果表明，所有患者在CO2气腹建立30min后PaCO2、HCO3、pH、PETCO2均较气腹前有明显变化，改变通气量30min后，上述值较30min前又有明显变化。但pH值仍表现为酸血症。宫外孕组和盆腔粘连组与单纯卵巢或输卵管囊肿组相比，全麻诱导后CO2气腹建立前，血气主要指标数值、PETCO2三组无显著差异，而CO2气腹30min后，改变通气量30min后，前两组与后组有差异。提示CO2吸收量可能同手术野创面情况有关。
55 cases of elective gynecological laparoscopic surgery, according to the disease is divided into ectopic pregnancy group of 20 cases, simple ovarian or fallopian tube cyst group of 20 cases, pelvic adhesions group of 15 cases. Intraoperative continuous monitoring of PETCO2, and in the induction of anesthesia CO2 pneumoperitoneum before the establishment of CO2 pneumoperitoneum after 30min, change the ventilation 30min after the measured blood gas. The results showed that all patients had significant changes in PaCO2, HCO3, pH and PETCO2 before pneumoperitoneum was established 30 min after CO2 pneumoperitoneum was established. After the ventilation was changed for 30 min, the above values were significantly changed compared with those before 30 min. However, the pH still shows acidemia. Ectopic pregnancy and pelvic adhesions group compared with simple ovarian or tubal cyst group, before the establishment of CO2 pneumoperitoneum after induction of general anesthesia, the main indicators of blood gas values, PETCO2 no significant difference between the three groups, and CO2 pneumoperitoneum 30min, change the ventilation 30min , The first two groups and the latter group differences. Tip CO2 absorption may be related to surgical field wound conditions.