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Postoperative liver function tests can predict anastomotic dysfunction after bile duct injury repair
Germán Sánchez-Morales1, Emma Castro1, Ismael Domínguez-Rosado1
1Surgical Division, Departamento de Cirugía Hepatopancreatobiliar, Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán", Av. Vasco de Quiroga, 15 Col. Sección XVI. Del. Tlalpan CP, 14080, Mexico City, Mexico.
Updates in Surgery
|April 13, 2022
Summary
Postoperative alkaline phosphatase levels can predict long-term anastomosis dysfunction in patients with bile duct injury. Elevated levels above 323 mg/dL after four weeks indicate a higher risk of stenosis.
Area of Science:
- Hepatology and Surgical Gastroenterology
- Clinical Biochemistry and Diagnostics
Background:
- Liver function tests (LFTs) are used in managing postoperative patients with iatrogenic bile duct injury (BDI).
- The predictive value of LFTs for anastomosis dysfunction after BDI repair remains unclear.
Purpose of the Study:
- To evaluate the role of postoperative LFTs in predicting long-term patency after BDI repair.
- To develop a predictive model for anastomosis dysfunction using LFTs and injury grade.
Main Methods:
- Retrospective cohort study of 329 patients with bilioenteric anastomosis for BDI.
- Binomial logistic regression analysis incorporating BDI grade and postoperative LFTs.
- Receiver Operating Characteristic (ROC) curve analysis for alkaline phosphatase (ALP).
Main Results:
- Type of bilioenteric anastomosis and postoperative alkaline phosphatase (ALP) levels were significant predictors of anastomosis stenosis.
- ROC analysis for ALP showed an area under the curve of 0.758.
- An ALP threshold of 323 mg/dL (post-fourth operative week) predicted long-term dysfunction (OR 6.0, 95% CI 2.60-13.83).
Conclusions:
- Postoperative alkaline phosphatase levels, particularly when elevated above 323 mg/dL after the fourth week, are a significant predictor of long-term anastomosis dysfunction in BDI patients.
- This finding aids in identifying high-risk patients requiring closer monitoring or intervention after BDI repair.
