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  • Title: Effect of laparoscopic and conventional colorectal resection on peritoneal fibrinolytic capacity: a prospective randomized clinical trial.
    Author: Neudecker J, Junghans T, Ziemer S, Raue W, Schwenk W.
    Journal: Int J Colorectal Dis; 2002 Nov; 17(6):426-9. PubMed ID: 12355220.
    Abstract:
    BACKGROUND AND AIMS: Reduced fibrinolytic activity of the peritoneum seems to be the main cause of postoperative adhesions. This prospective randomized trial compared the peritoneal fibrinolytic activity between laparoscopic and conventional colorectal resection. METHODS: Parietal peritoneal biopsy specimens were taken in standardized elective laparoscopic ( n=14) and conventional ( n=16) colorectal resections at the beginning and at the end of surgery. Activities and concentrations of tissue-plasminogen activator (tPA), plasminogen activator (PAI) type 1, and tPA/PAI complex were determined by ELISA kits. RESULTS: There was no difference in age, sex, or body mass index between the two groups. Perioperative tPA activity decreased in both groups without differences between the groups. Concentrations and activities of tPA, PAI-1, and tPA/PAI complex did not differ between the groups at any time. CONCLUSION: Peritoneal concentrations and activities of tPA, PAI-1, and tPA/PAI complex are similar during laparoscopic and conventional colorectal resections. A capnoperitoneum of 12 mmHg over 3 h did not affect the peritoneal fibrinolytic activity
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