Ascites-induced LeVeen shunt coagulopathy

Area of Science:

• Coagulation Disorders
• Gastroenterology
• Surgical Complications

Background:

• Intractable ascites often requires peritoneovenous (LeVeen) shunt placement.
• Post-operative coagulopathy is a recognized complication.

Purpose of the Study:

• To investigate the mechanism of coagulopathy following LeVeen shunt placement.
• To determine the relationship between ascites composition and coagulopathy.
• To identify factors contributing to bleeding complications.

Main Methods:

• Analysis of ascitic fluid and plasma for fibrin split products (FSP), endotoxin, and clotting factors.
• Assessment of patient coagulation status pre- and post-shunt.
• Correlation of coagulopathy with liver function tests and bleeding events.

Main Results:

• Ten of 11 patients developed disseminated intravascular coagulation (DIC) post-operatively.
• High titers of FSP were present in ascitic fluid but not plasma.
• Endotoxin was detected in some ascitic fluid samples.
• Bleeding complications correlated with preoperative liver dysfunction and DIC, not post-shunt coagulopathy severity.

Conclusions:

• LeVeen shunt coagulopathy is likely DIC, possibly triggered by systemic exposure to FSP-rich ascitic fluid.
• Bleeding is primarily associated with underlying liver disease severity and pre-existing DIC.