The risk of post-ERCP pancreatitis and the protective effect of rectal indomethacin in cases of attempted but unsuccessful prophylactic pancreatic stent placement

Neel S. Choksi, Evan L. Fogel, Gregory A. Cote, Joseph Romagnuolo, Grace H. Elta, James M. Scheiman, Amitabh Chak, Patrick Mosler, Peter D.R. Higgins, Sheryl J. Korsnes, Suzette E. Schmidt, Stuart Sherman, Glen A. Lehman, B. Joseph Elmunzer

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Abstract

Background It is believed, based on limited observational data, that an unsuccessful attempt to place a prophylactic pancreatic stent substantially increases the risk of post-ERCP pancreatitis (PEP). Objective To better understand the risk of PEP in patients with failed pancreatic stent placement (FPS) and the impact of rectal indomethacin on this risk. Design Secondary analysis of randomized, controlled trial data. Setting University of Michigan and Indiana University. Patients A total of 577 clinical trial participants at elevated risk for PEP. Interventions Pancreatic stent placement. Main Outcome Measurements Within the placebo group, we compared PEP rates in patients with FPS, patients who underwent successful stent placement, and in those without a stent attempt. We also performed a regression analysis evaluating the association between FPS and PEP. To define the protective effect of indomethacin, we repeated these analyses in the indomethacin group and in the full study cohort. Results The incidence of PEP among patients in the placebo group who experienced FPS was 34.7%, significantly exceeding rates in patients who underwent successful stent placement (16.4%) and in those without a stent attempt (12.1%). After we adjusted for known PEP risk factors, FPS was found to be independently associated with PEP. Among the indomethacin group and in the full cohort, FPS was not associated with a higher risk of PEP. Limitations Low event rate, FPS not prospectively captured. Conclusion FPS appears to confer an increased risk of PEP, which is attenuated by rectal indomethacin administration. These findings highlight the importance of adequate training and proficiency before endoscopists attempt pancreatic stent placement and the routine use of rectal indomethacin in high-risk ERCP cases.

Original languageEnglish (US)
Pages (from-to)150-155
Number of pages6
JournalGastrointestinal endoscopy
Volume81
Issue number1
DOIs
StatePublished - Jan 1 2015

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ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Gastroenterology

Cite this

Choksi, N. S., Fogel, E. L., Cote, G. A., Romagnuolo, J., Elta, G. H., Scheiman, J. M., Chak, A., Mosler, P., Higgins, P. D. R., Korsnes, S. J., Schmidt, S. E., Sherman, S., Lehman, G. A., & Joseph Elmunzer, B. (2015). The risk of post-ERCP pancreatitis and the protective effect of rectal indomethacin in cases of attempted but unsuccessful prophylactic pancreatic stent placement. Gastrointestinal endoscopy, 81(1), 150-155. https://doi.org/10.1016/j.gie.2014.07.033