OBJECTIVE: To find out if the previously described ability of phosphatidylcholine to reduce peritoneal adhesions is specific to it, or if other phospholipids such as phosphatidylinositol (PI) or DL-phosphatidylcholine dilauryl (DL-PC) have similar effects. DESIGN: Laboratory experiment. SETTING: University hospital, Sweden. MATERIALS: 160 rats which had had intraperitoneal adhesions induced at laparotomy by peritoneal defects repaired in one of two models. INTERVENTIONS: PI was given intraperitoneally either once in a dose of 20 or 40 mg/rat at the end of the operation, or at the end of the operation and repeated on the second and third postoperative days. DL-PC was given once at the end of the operation in a dose of either 20 or 40 mg/rat. MAIN OUTCOME MEASURES: Adhesions were assessed a week after operation by an observer who was unaware of the treatment given. RESULTS: PI given on three consecutive days significantly reduced adhesions formed postoperatively in both models (p < 0.05). Neither PI nor DL-PC given in a single dose of 20 mg/rat had any effect, whereas both PI and DL-PC given in single doses of 40 mg/rat significantly reduced adhesions (p < 0.05). CONCLUSION: Both PI and DL-PC are effective in the prevention and limiting of postoperative adhesions in rats.
OBJECTIVE: To find out if the previously described ability of phosphatidylcholine to reduce peritoneal adhesions is specific to it, or if other phospholipids such as phosphatidylinositol (PI) or DL-phosphatidylcholine dilauryl (DL-PC) have similar effects. DESIGN: Laboratory experiment. SETTING: University hospital, Sweden. MATERIALS: 160 rats which had had intraperitoneal adhesions induced at laparotomy by peritoneal defects repaired in one of two models. INTERVENTIONS: PI was given intraperitoneally either once in a dose of 20 or 40 mg/rat at the end of the operation, or at the end of the operation and repeated on the second and third postoperative days. DL-PC was given once at the end of the operation in a dose of either 20 or 40 mg/rat. MAIN OUTCOME MEASURES: Adhesions were assessed a week after operation by an observer who was unaware of the treatment given. RESULTS: PI given on three consecutive days significantly reduced adhesions formed postoperatively in both models (p < 0.05). Neither PI nor DL-PC given in a single dose of 20 mg/rat had any effect, whereas both PI and DL-PC given in single doses of 40 mg/rat significantly reduced adhesions (p < 0.05). CONCLUSION: Both PI and DL-PC are effective in the prevention and limiting of postoperative adhesions in rats.
Authors: Nick Butz; Stefan A Müller; Karl-Heinz Treutner; Michail Anurov; Svetlana Titkova; Alexander P Oettinger; Volker Schumpelick Journal: BMC Surg Date: 2007-07-25 Impact factor: 2.102