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  • Title: [The preventive effects of intraperitoneal injection of perfluorocarbon on acute lung injury in rat].
    Author: Fan HJ, Liu SY, Zhang JP, Zhao XW, Gao HM, Liu YN.
    Journal: Zhongguo Wei Zhong Bing Ji Jiu Yi Xue; 2008 Feb; 20(2):100-3. PubMed ID: 18279594.
    Abstract:
    OBJECTIVE: To evaluate the preventive effects of intraperitoneal injection of perfluorocarbon (PFC) on acute lung injury (ALI) in rat. METHODS: Sixty-three male Wistar rats were randomly divided into normal control (NC) group, lipopolysaccharide (LPS) group and C8F18 group. Rats in NC group were sacrificed 2 hours after anesthesia, and in LPS group and C8F18 group rats were either treated with normal saline or C8F18 15 ml/kg intraperitoneally 48 hours before LPS challenge. ALI was reproduced by intravenous injection of 7 ml/kg LPS, and the extent of lung injury was assessed by arterial partial pressure of oxygen (PaO(2)) level, histological examination, right lung wet weight/body weight (W/D) ratio, tumor necrosis factor-alpha (TNF-alpha) level in serum and broncho alveolar lavage fluid (BALF) at 2, 4, 6 hours after injury. RESULTS: PaO(2) in LPS group and C8F18 group was significant lower than that in NC group (both P<0.05). There were no difference in PaO(2) between LPS group and C8F18 group at 2, 4, 6 hours after injury (all P>0.05). Compared with NC group, TNF-alpha level in blood and BALF increased obviously in LPS group and C8F18 group (both P<0.05). There was no significant change in content of TNF-alpha in C8F18 group BALF at 6 hours was significantly lower than that in LPS group (P<0.05). CONCLUSION: Intraperitoneal administration of C8F18 (15 ml/kg) can not attenuate pathological changes or improve PaO(2) in rats with ALI induced by LPS in a short time.
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