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Activation of coagulation and fibrinolysis in open and laparoscopic cholecystectomy
S P Dexter1, J P Griffith, P J Grant
1University Department of Surgery, Leeds Institute for Minimally Invasive Therapy, 6th Floor, Wellcome Wing, The General Infirmary, Leeds LS1 3EX, United Kingdom.
Background:
Activation of coagulation and fibrinolysis occurs as a stress response to surgery and may predispose the patient to thromboembolic complications. Other components of the surgical stress response (cytokine release, neurohumoral response, etc.) have been shown to differ between laparoscopic and open cholecystectomy, and the aim of this study was to investigate the effects of laparoscopic and open surgery on the coagulation and fibrinolytic pathways.
Methods:
Fourteen patients undergoing laparoscopic cholecystectomy and 12 patients undergoing open cholecystectomy had blood taken in the perioperative period for fibrinopeptide A (FPA) prothrombin fragment F1.2, antithrombin 3, tissue plasminogen activator (tPA) and its fast-acting inhibitor plasminogen activator inhibitor-1 (PAI-1 antigen and activity), and the euglobulin clot lysis time (ECLT).
Results:
The only significant differences between the two groups occurred 6 h after surgery when the ECLT was longer (p < 0.005; Mann Whitney), and PAI-1 antigen and activity were higher (p < 0.01 and p < 0.001, respectively; Mann Whitney) after open cholecystectomy than laparoscopic cholecystectomy.
Conclusions:
Other changes in fibrinolysis and coagulation were similar for open and laparoscopic cholecystectomy. With respect to hemostasis, laparoscopic cholecystectomy does not increase the risk of thromboembolic complications compared to the conventional procedure.