Abstract
Objective To explore the appropriate pneumoperitoneum pressure in different surface area children during pediatric laparoscopic surgery,so as to attenuate the intederence with physiological function and avoid pneumoperitoneum correlative complications.Methods 120 patients underwent laparoscopic surgery were divided into three groups by different surface area:A(0.43～0.67m2),B(0.68～0.92m2),C(0.93～1.17m2).Each group was divided into two subgroups again by different pneumoperitoneum pressure:A1(4 mm Hg),A2(6mm Hg),B1(7mm Hg),B2(9mm Hg),C1(10mm Hg),C2(12 mm Hg).The cardiorespiratory function and blood gas analysis in different time point before and after pneumoperitoneum were monitored.Results The increase of PET CO2,Paw,HR,MAP and PaCO2 in A2,B2,C2 were more obvious than in A1,B1,C1(P ＜ 0.01).The eligible pneumoperitoneum pressure for A,B,C were 4,7,10mmHg respectively.The complications of gastric contents back-streaming and respiratory acidosis were 7 cases in A2,B2,C2 in all,and 3 cases in A1,B1,C1.Conclusion Using a compatible pneumoperitoneum pressure for different surface area children could attenuate the interference of physiological function and avoid pneumoperitoneum correlative complications. Key words: Laparoscopic surgery; Child; Pneumoperitoneum pressure; Surface area; Complication
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