Insulin Resistance as a Novel Risk Factor for Post-ERCP Pancreatitis: A Pilot Study
Background and Aims
The relationship between insulin resistance and post-ERCP pancreatitis (PEP) is not known. We aimed to determine the relation between pre-ERCP insulin resistance and risk of PEP, and to evaluate the relationship of insulin resistance with well-established risk factors for PEP.
Consecutive patients who underwent ERCP with the diagnosis of choledocolithiasis between January and December 2013 were enrolled in this prospective study. Pre-procedural insulin resistance state and other risk factors were evaluated according to PEP development.
Pancreatitis developed in 16 (11.3 %) of 141 ERCP procedure. Homeostasis model assessment of insulin resistance (HOMA-IR) levels was found statistically significantly higher in patients who developed PEP than the ones who did not (3.37 ± 0.8 vs. 2.38 ± 1.4, p < 0.001). Common bile duct (CBD) diameter of the patients developing PEP was found significantly lower than the non-PEP group (10.1 ± 4 vs. 13.4 ± 4.5 mm, p = 0.01). Mean procedure time was 33.5 min in PEP group and 27.9 min in non-PEP group (p = 0.006). HOMA-IR (OR 2.39), procedure time (OR 1.15), and CBD diameter (OR 0.82) were independent predictors of PEP development.
The presence of insulin resistance is an important risk factor for PEP, and these data can be used as a considerable clue to predict the risk of PEP before ERCP and to decrease related morbidity.
KeywordsPost-ERCP pancreatitis Insulin resistance HOMA-IR
Special thanks to biostatistician Sinan IYIGUN for advising and performing advanced statistical analyses.
Compliance with ethical standards
Conflict of interest
We confirm that there are no financial or other relations that could lead to a conflict to interest.
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