• J. Am. Coll. Surg. · Oct 2021

    Randomized Controlled Trial

    Impact of Early Cholecystectomy on the Cost of Treating Mild Gallstone Pancreatitis: Gallstone PANC Trial.

    • Kayla D Isbell, Shuyan Wei, DodwadShah-Jahan MSMDepartment of Surgery; Center for Surgical Trials and Evidence-based Practice., Elenir Bc Avritscher, Krislynn M Mueck, Karla Bernardi, Gabrielle E Hatton, Mike K Liang, Tien C Ko, and Lillian S Kao.
    • Department of Surgery; Center for Surgical Trials and Evidence-based Practice.
    • J. Am. Coll. Surg. 2021 Oct 1; 233 (4): 517-525.e1.

    BackgroundThe Gallstone Pancreatitis: Admission vs Normal Cholecystectomy (Gallstone PANC) Trial demonstrated that cholecystectomy within 24 hours of admission (early) compared with after clinical resolution (control) for mild gallstone pancreatitis, significantly reduced 30-day length-of-stay (LOS) without increasing major postoperative complications. We assessed whether early cholecystectomy decreased 90-day healthcare use and costs.Study DesignA secondary economic evaluation of the Gallstone PANC Trial was performed from the healthcare system perspective. Costs for index admissions and all gallstone pancreatitis-related care 90 days post-discharge were obtained from the hospital accounting system and inflated to 2020 USD. Negative binomial regression models and generalized linear models with log-link and gamma distribution, adjusting for randomization strata, were used. Bayesian analysis with neutral prior was used to estimate the probability of cost reduction with early cholecystectomy.ResultsOf 98 randomized patients, 97 were included in the analyses. Baseline characteristics were similar in early (n = 49) and control (n = 48) groups. Early cholecystectomy resulted in a mean absolute difference in LOS of -0.96 days (95% CI, -1.91 to 0.00, p = 0.05). Ninety-day mean total costs were $14,974 (early) vs $16,190 (control) (cost ratio [CR], 0.92; 95% CI, 0.73-1.15, p = 0.47), with a mean absolute difference of $1,216 less (95% CI, -$4,782 to $2,349, p = 0.50) per patient in the early group. On Bayesian analysis, there was an 81% posterior probability that early cholecystectomy reduced 90-day total costs.ConclusionIn this single-center trial, early cholecystectomy for mild gallstone pancreatitis reduced 90-day LOS and had an 81% probability of reducing 90-day healthcare system costs.Copyright © 2021 American College of Surgeons. Published by Elsevier Inc. All rights reserved.

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