Fibrinolysis in the Peritoneal Fluid During Adhesions, Endometriosis and Ongoing Pelvic Inflammatory Disease
Fibrinolytic activators and inhibitors are significantly increased in peritoneal fluid during pelvic inflammatory disease and after adhesion removal, with higher u-PA in adhesions and reduced PAI-2 in endometriosis.
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This study measured the concentrations of fibrinolysis-related proteins (u-PA and t-PA as activators, and PAI-1 and PAI-2 as inhibitors) in peritoneal fluid from women undergoing laparotomy (10) or laparoscopy (108), including groups with intra-abdominal adhesions, endometriosis, or ongoing pelvic inflammatory disease (PID), compared with normal controls. Activators and inhibitors were significantly increased in PID and after second-look laparoscopy one week after laparotomy with adhesiolysis. During laparoscopy, u-PA was significantly increased when adhesions were verified, and PAI-2 was significantly reduced in cases of endometriosis, while starting laparotomy led to a significant rise in PAI-2 antigen. The paper explicitly interprets these findings as comprehensive peritoneal fibrinolytic activation during inflammation and after adhesiolysis, with the main limitation being the observational peritoneal-fluid measurements without direct mechanistic testing of causality. This paper is centrally about endometriosis—assessing peritoneal fibrinolysis (including reduced PAI-2) in women with endometriosis during surgical evaluation.
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Cited by (5)
- Endometriosis-Associated Pain – Do Preclinical Rodent Models Provide a Good Platform for Translation? 2020
- Peritoneal cytokines and adhesion formation in endometriosis: an inverse association with vascular endothelial growth factor concentration 2012
- Nuclear Factor-κB (NF-κB): An Unsuspected Major Culprit in the Pathogenesis of Endometriosis That Is Still at Large? 2006
- A role for the fibrinolytic system in postsurgical adhesion formation 2005
- Expression of several components of the plasminogen activator and matrix metalloproteinase systems in endometriosis 2003
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