The Clinical Benefit of Percutaneous Transhepatic Biliary Drainage for Malignant Biliary Tract Obstruction

Ivan Nikolić1,2, Jelena Radić1,2, Andrej Petreš3

  • 1Oncology Institute of Vojvodina, Department of Medical Oncology, Put Doktora Goldmana 4, 21204 Sremska Kamenica, Serbia.

Cancers
|October 14, 2022
PubMed

Insights

Percutaneous transhepatic biliary drainage (PTBD) helps patients with malignant biliary obstruction. Achieving adequate bilirubin decline after PTBD improves survival, especially for those restarting chemotherapy.

Area of Science:

  • Interventional Radiology
  • Oncology
  • Hepatology

Background:

  • Malignant proximal biliary obstruction causes jaundice and can impede cancer treatment.
  • Percutaneous transhepatic biliary drainage (PTBD) is a procedure to decompress the biliary system.
  • Patient outcomes after PTBD vary, particularly concerning the ability to resume chemotherapy.

Purpose of the Study:

  • To evaluate clinical outcomes of PTBD in patients with malignant biliary obstruction.
  • To assess the impact of adequate bilirubin decline (ABD) on survival and chemotherapy resumption.
  • To identify factors associated with better outcomes after PTBD.

Main Methods:

  • Retrospective analysis of 89 patients undergoing PTBD over six years.
  • Classification of patients based on achieving adequate bilirubin decline (ABD) for chemotherapy.
  • Kaplan-Meier survival analysis and multivariate logistic regression using MEDCALC software.

Main Results:

  • 58.4% of patients had good performance status (ECOG 0/1) and underwent PTBD to restart chemotherapy.
  • Only 23.0% achieved bilirubin normalization, with 15.4% actually receiving chemotherapy.
  • Median survival was 9 weeks overall, but 64 weeks for patients with ABD who received chemotherapy. Best outcomes were seen in patients with good performance status, low bilirubin/LDH, and elevated leukocytes.

Conclusions:

  • PTBD is a valuable decompression technique for malignant biliary obstruction.
  • Achieving adequate bilirubin decline post-PTBD is crucial for enabling chemotherapy and improving survival.
  • Patient performance status and specific laboratory values at the time of PTBD are predictive of outcomes.