Endoscopic ultrasound-guided biliary drainage versus percutaneous transhepatic biliary drainage: predictors of successful outcome in patients who fail endoscopic retrograde cholangiopancreatography

Abstract

Background

Patients with failed endoscopic retrograde cholangiopancreatography (ERCP) are conventionally offered percutaneous transhepatic biliary drainage (PTBD). While PTBD is effective, it is associated with catheter-related complications, pain, and poor quality of life. Endoscopic ultrasound-guided biliary drainage (EUS-BD) is a minimally invasive endoscopic option increasingly offered as an alternative to PTBD. We compare outcomes of EUS-BD and PTBD in patients with biliary obstruction at a single tertiary care center.

Methods

A retrospective review was performed in patients with biliary obstruction who underwent EUS-BD or PTBD after failed ERCP from June 2010 through December 2014 at a single tertiary care center. Patient demographics, procedural data, and clinical outcomes were documented for each group. The aim was to compare efficacy and safety of EUS-BD and PTBD and evaluate predictors of success.

Results

A total of 60 patients were included (mean age 67.5 years, 65 % male). Forty-seven underwent EUS-BD, and thirteen underwent PTBD. Technical success rates of PTBD and EUS-BD were similar (91.6 vs. 93.3 %, p = 1.0). PTBD patients underwent significantly more re-interventions than EUS-BD patients (mean 4.9 versus 1.3, p < 0.0001), had more late (>24-h) adverse events (53.8 % vs. 6.6 %, p = 0.001) and experienced more pain (4.1 vs. 1.9, p = 0.016) post-procedure. In univariate analysis, clinical success was lower in the PTBD group (25 vs. 62.2 %, p = 0.03). In multivariable logistic regression analysis, EUS-BD was the sole predictor of clinical success and long-term resolution (OR 21.8, p = 0.009).

Conclusion

Despite similar technical success rates compared to PTBD, EUS-BD results in a lower need for re-intervention, decreased rate of late adverse events, and lower pain scores, and is the sole predictor for clinical success and long-term resolution. EUS-BD should be the treatment of choice after a failed ERCP.

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