• Department of Anesthesiology , the Affiliated Hospital of North Sichuan Medical College.Nanchong , Sichuan , 637000 , ChinaCorresponding author:WAN Yong,E-mail:wanyong@medmail.com.cn;
WAN Yong, Email: wanyong@medmail.com.cn
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Objective  To investigate the effect of intra-abdominal hypertension(IAH) on respiratory function in pigs.Methods  Twelve pigs were randomly divided into two groups (n=6 in each group),ie.IAH20 group(intra-abdominal pressure=20 mm Hg) and IAH30 group(intra-abdominal pressure=30 mm Hg).Pig model of IAH was established by intraperitoneally injection of carbon dioxide.The changes in respiratory function parameters including pulmonary dynamic compliance(Cdyn),peak inspiratory pressure(PIP) ,SpO2 and PaCO2 were recorded at different time points.Results  Cdyn was significantly decreased at different time points compared with baseline in group IAH30 and group IAH20.PIP significantly increased at different time points compared with baseline in both IAH groups,but group IAH30 was more severe than group IAH20. No significant changes of SpO2 and PaCO2 were found in two IAH groups.Conclusion  IAH can impair respiratory function by decreasing lung compliance and increasing inspiratory pressure.

Citation: HU Jianhua ,WANG Daqing,TU Faping,CHEN Bin,GE Ying,LIU Shaoxing,GONG Zonglian,WAN Yong. Influence of intra-abdominal hypertension on respiratory function in pigs. Chinese Journal of Respiratory and Critical Care Medicine, 2008, 08(5): 383-384. doi: Copy

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