Incidence and management of postoperative abdominal bleeding after liver transplantation
1Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Insights
Postoperative abdominal bleeding occurred in 9% of liver transplant recipients. Management involved interventional radiology or surgery, with bleeding linked to patient age and blood loss.
Area of Science:
- Hepatology
- Transplantation Surgery
- Vascular Surgery
Background:
- Postoperative abdominal bleeding is a significant complication following orthotopic liver transplantation (OLT).
- Understanding the incidence, risk factors, and effective management strategies is crucial for improving patient outcomes.
Purpose of the Study:
- To determine the incidence of postoperative abdominal bleeding after OLT.
- To evaluate the management approaches for posttransplantation abdominal bleeding.
- To identify risk factors associated with abdominal bleeding in OLT patients.
Main Methods:
- Retrospective review of medical records for 1039 patients undergoing OLT between January 2008 and December 2010.
- Definition of posttransplantation abdominal bleeding as hemorrhage requiring radiologic intervention or laparotomy within the first month.
- Analysis of bleeding sites, management strategies, and associated patient factors.
Main Results:
- Abdominal bleeding occurred in 94 (9%) of 1039 OLT patients, with a mean onset of 6.1 days post-transplant.
- Bleeding was managed via endovascular techniques (39%), surgical ligation/reconstruction (46%), or combined approaches (15%).
- Frequent bleeding sites included the hepatic artery, diaphragm, and inferior vena cava; bleeding correlated with older patient age and greater intraoperative blood loss.
Conclusions:
- The early posttransplantation period carries a high risk of bleeding due to coagulopathy and iatrogenic factors.
- Meticulous surgical technique and effective bleeding control are essential to minimize this risk.
- Timely intervention, whether endovascular or surgical, is key to managing post-OLT abdominal hemorrhage.
Purpose:
To assess the incidence and management of postoperative abdominal bleeding after orthotopic liver transplantation (OLT) and to identify risk factors for abdominal bleeding.
Methods:
We retrospectively reviewed the medical records of 1039 patients who underwent OLT at our institution from January 2008 to December 2010 seeking to identify subjects with posttransplantation abdominal bleeding, defined as any hemorrhage requiring radiologic intervention or laparotomy within the first month.
Results:
Among the 1039 patients, 94 (9%) showed abdominal bleeding, occurring at a mean of 6.1 days (range, day 1 to 21 days). Active bleeding was controlled by endovascular interventional techniques (n = 37; 39%), by surgical ligation or vascular reconstruction (n = 43; 46%), or by sequential combinations of endovascular intervention and surgery (n = 14; 15%). The most frequent bleeding sites for radiologic intervention were the right inferior phrenic artery (n = 14), right and left epigastric arteries (n = 7), intercostal artery (n = 5) and right renal capsular artery (n = 4). The most frequent bleeding sites requiring laparotomy were the hepatic artery (n = 9), diaphragm (n = 8), inferior vena cava (n = 5), abdominal drain insertion site (n = 4), portal vein anastomosis site (n = 4), abdominal wall (n = 3), liver graft cut surface (n = 3), hilar plate (n = 3), and greater omentum (n = 3). Bleeding episodes were associated with greater patient age and increased intraoperative blood loss.
Conclusions:
The risk of bleeding from coagulopathy and iatrogenic injury is high during the early posttransplantation period. This risk of bleeding can be minimized by meticulous surgical dissection and bleeding control.
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