Hyaluronan levels during laparoscopic versus open colonic resections
- 11 July 2007
- journal article
- research article
- Published by Springer Science and Business Media LLC in Surgical Endoscopy
- Vol. 22 (3), 660-663
- https://doi.org/10.1007/s00464-007-9455-x
Abstract
Plasma hyaluronan binds to fibrinogen, affecting intravascular fibrin polymerization and fibrin clot formation. It has been hypothesized that alterations in fibrin clot formation influence the risk of thromboembolism in those undergoing surgery. The aim of this study is to quantify the intravascular components, especially plasma hyaluronan levels, in laparoscopic and conventional colorectal resections that contribute to thromboembolism formation. Prospective cohort analysis of consecutive patients which were participating in the prospective randomized multi-center trial Lapkon II comparing the long-term effects of laparoscopic and conventional resection for colon cancer. Plasma samples were obtained from 15 patients at the beginning and the end of laparoscopic or conventional colorectal resections. Concentrations and activities of tissue plasminogen activator(t-PA), plasminogen activator inhibitor type 1(PAI-1), t-PA/PAI complex, fibrinogen, d-dimers and hyaluronan were determined by using commercial enzyme-linked immunosorbent assay (ELISA) kits. No differences in age, sex and type of resection between the laparoscopic and conventional-surgery groups were observed. Laparoscopic procedures lasted longer (p < 0.05). Concentration and activities of t-PA, PAI-1, t-PA/PAI complex, fibrinogen and d-dimers did not vary between the two groups. Plasma hyaluronan decreased from 28.6 to 17.9 IU/ml (p < 0.05) during laparoscopic compared to conventional procedures. Plasma hyaluronan levels were significantly different at the end of operation between the two groups (p < 0.05) . Plasma hyaluronan levels were decreased in patients undergoing laparoscopic colorectal resections, compared to those undergoing conventional procedures. Therefore, interactions between plasma hyaluronan and fibrinogen may be lower, with a sequential decrease in fibrin polymerization, and a possibly reduced risk of deep venous thrombosis.Keywords
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