Bile Leakage Management in Hepatic Resection

Bile leakage remains one of the most frequent complications following hepatic resection, with reported rates ranging from 3 to 15 percent. It arises when bile escapes from transected intrahepatic ducts, leading to intra‐abdominal collections, biloma formation or external fistulae. Key risk factors include the extent of parenchymal transection, prolonged operative time, underlying liver disease and inadequate sealing of bile ducts at the resection margin. Leaks are categorised by their communication with the biliary tree – central type leakage drains into major ducts, whereas peripheral type remains confined to the parenchyma – and by clinical grading systems that guide therapy. Effective management demands a stepwise approach. Initial measures encompass supportive care, maintenance of drainage catheters and correction of fluid and electrolyte imbalances. Central leaks often require biliary decompression, achieved by endoscopic transpapillary stenting or percutaneous transhepatic drainage, whereas peripheral leaks may respond to chemical ablation or extended drainage. Surgical revision or bilioenteric anastomosis is reserved for refractory cases. Prevention has centred on meticulous parenchymal transection techniques, intraoperative cholangiography, judicious use of sealants and selective placement of prophylactic drains. Debate persists over routine drainage, prompting comparative studies to refine best practice.

Research from Nature Portfolio

A systematic review and meta‐analysis of randomised and non‐randomised trials evaluated the efficacy of prophylactic abdominal drainage following major liver resections. Although drains were long assumed to mitigate bile collections, pooled data demonstrated a higher incidence of bile leakage and interventional procedures in patients with routine drains. Total complication rates and hospital stay were also increased in the drain group. The certainty of evidence was judged moderate, underscoring heterogeneity in definitions of leak and drain protocols. These findings have prompted a shift towards selective drainage strategies, tailored to the complexity of resection and intraoperative bile duct status.

Bile Leakage Management in Hepatic Resection publication trend

The graph below shows the total number of articles in bile leakage management in hepatic resection across all publications each year (not limited to Nature Index journals).

Technical terms

Bile leakage: Escape of bile from the biliary tree into the abdominal cavity or through drains after liver surgery.

Hepatic resection: Surgical removal of a portion of the liver for benign or malignant disease.

Prophylactic drainage: Placement of a tube at the time of surgery to evacuate fluid collections and detect leaks early.

Central type leakage: Bile leak in communication with major intrahepatic ducts requiring biliary decompression.

Peripheral type leakage: Bile leak confined to small intrahepatic ducts, often self-limited or treated by ablation.

Endoscopic transpapillary stenting: Placement of a stent via endoscopic retrograde cholangiopancreatography to divert bile flow.

Percutaneous transhepatic biliary drainage: Image-guided catheter insertion through the liver to decompress the biliary system.

References

1. Risk Factors and Managements of Bile Leakage After Hepatectomy. World Journal of Surgery (2015).
2. Systematic review and meta-analysis of the efficacy of prophylactic abdominal drainage in major liver resections. Scientific Reports (2021).
3. Bile Leakage After Hepatic Resection for Hepatocellular Carcinoma: Does It Impact the Short- and Long-term Outcomes?. Journal of Gastrointestinal Surgery (2022).
4. Meta-Analysis of Risk Factors for Bile Leakage After Hepatectomy Without Biliary Reconstruction. Frontiers in Surgery (2021).