Fibrinolytic capacity in peritoneal fluid after laparoscopic and conventional colorectal resection: data from a randomized controlled trial |
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Authors: | Email author" target="_blank">J?NeudeckerEmail author T?Junghans W?Raue S?Ziemer W?Schwenk |
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Institution: | (1) Universitätsklinik für Allgemein-, Visceral-, Gefäss- und Thoraxchirurgie, Medizinische Fakultät der Humboldt-Universität zu Berlin, Charité, Campus Mitte, Schumannstrasse 20/21, 10117 Berlin, Germany;(2) Institute of Laboratory Medicine and Pathobiochemistry, Medical Faculty of the Humboldt University at Berlin, Charité, Campus Mitte, Berlin, Germany |
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Abstract: | Background A reduced peritoneal fibrinolytic capacity after surgery is currently accepted to be the main cause for postoperative adhesions. The aim of this prospective randomized trial was to determine the fibrinolytic activity in peritoneal fluid after laparoscopic as compared to conventional colorectal resection.Methods A randomized controlled trial in parallel with the multicenter trial Lapkon II was conducted. Peritoneal fluid was sampled via drain at 2, 8, and 24 h after elective laparoscopic (n=14; LAP) and conventional (n=16; CON) colorectal resections. Activities and concentrations of tissue plasminogen activator (t-PA), plasminogen activator inhibitor type-1 (PAI-1) and t-PA/PAI complex were determined in all specimen by ELISA kits.Results There was no difference in age, sex or body mass index between both groups. Postoperatively, t-PA activity decreased in both groups and was lower 2 h after closing the abdomen in the laparoscopic group (p<0.05). PAI-1 activity and concentration increased in both groups. Difference between the groups was measured for PAI-1 concentration after 24 h (p<0.05). There were no differences between the groups regarding t-PA concentrations, PAI-1 activity and t-PA/PAI complex.Conclusions After closing the abdominal cavity, postoperative changes in fibrinolytic capacity of peritoneal fluid can be determined in samples collected by a drain. However, there were no major differences in the postoperative course of fibrinolytic capacity in peritoneal fluid after laparoscopic and conventional colorectal resections. |
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Keywords: | Peritoneal fibrinolysis Peritoneal fluid Abdominal surgery |
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