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New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
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Portal vein thrombosis after hepatectomy
Shohei Yoshiya1, Ken Shirabe, Hidekazu Nakagawara
1Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
World Journal of Surgery
|January 11, 2014
Summary
Postoperative portal vein thrombosis (PVT) after liver surgery is common, affecting 9.1% of patients. This complication is linked to slower liver recovery and impaired liver regeneration.
Area of Science:
- Hepatobiliary surgery
- Vascular complications
- Liver regeneration
Background:
- Postoperative portal vein thrombosis (PVT) is an understudied complication following hepatectomy.
- Limited large-scale studies exist on the incidence, risk factors, and outcomes of PVT after liver resection.
Purpose of the Study:
- To evaluate the incidence of PVT after hepatectomy.
- To identify risk factors associated with PVT development.
- To assess the clinical outcomes and impact of PVT on liver function and regeneration.
Main Methods:
- Retrospective analysis of preoperative and postoperative clinical data from 208 patients who underwent hepatectomy.
- Categorization of PVT into main portal vein (MPV) thrombosis and peripheral portal vein (PPV) thrombosis.
- Multivariate analysis to identify independent risk factors for MPV thrombosis.
Main Results:
- The overall incidence of PVT was 9.1% (19/208), comprising 7 MPV thrombosis and 12 PPV thrombosis cases.
- Right hepatectomy, larger resection volume, and longer operation time were significantly associated with MPV thrombosis.
- PVT, particularly MPV thrombosis, correlated with delayed liver regeneration and impaired liver function post-surgery.
- Anticoagulation therapy led to the resolution of MPV thrombosis in all treated patients.
Conclusions:
- Postoperative PVT is a significant complication after hepatectomy, occurring more frequently than previously recognized.
- PVT is strongly associated with impaired early liver regeneration and delayed recovery of liver function.
- Early detection and management, including anticoagulation for MPV thrombosis, may be crucial for improving patient outcomes.
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