Trends in the timing of inpatient ERCP relative to cholecystectomy: a nationwide database studied longitudinally

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Abstract

Background and Aims: ERCP has largely replaced common bile duct exploration for therapy of common bile duct pathology, yet its use as a purely diagnostic test has declined. Among inpatients, we hypothesized that timing between ERCP and cholecystectomy (CCY) has changed. The objectives were to measure temporal trends in the timing between inpatient ERCP and CCY and to examine factors associated with delays. Methods: We used the National Inpatient Sample between 1998 and 2013 to classify admissions for gallstone-related diagnoses undergoing inpatient CCY and ERCP by timing relative to CCY: within (±) 1 day, ≥2 days before, and ≥2 days after. Logistic regression and Poisson regression were used to determine pattern utilization and association of ERCP timing on hospital length of stay. Results: Between 1998 and 2013, the proportion of admissions for CCY associated with same-stay ERCP increased (14.5% in 1998 to 17.3% in 2013, P <.001), and approximately two-thirds of ERCPs were performed within 1 day of CCY. After adjusting for covariates, the mean adjusted length of stay remained significantly shorter for patients who underwent CCY within 1 day of ERCP (5.13 vs 7.48 days for ERCP ≥2 days before and vs 7.41 days for ERCP ≥2 days after, P <.001). Conclusions: Use of inpatient ERCP in conjunction with CCY has increased minimally between 1998 and 2013, whereas length of stay has decreased. ERCPs performed within 1 day of CCY were associated with shorter hospital length of stay, suggesting delays between inpatient procedures should be minimized unless medical comorbidities preclude it.

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Suarez, A. L., Xu, H., Cotton, P. B., Elmunzer, B. J., Adams, D., Morgan, K. A., … Coté, G. A. (2018). Trends in the timing of inpatient ERCP relative to cholecystectomy: a nationwide database studied longitudinally. Gastrointestinal Endoscopy, 88(3), 502-510.e4. https://doi.org/10.1016/j.gie.2018.04.2354

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