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Abstract

Background

An increasing body of literature supports subtotal cholecystectomy (STC) in the management of patients with difficult gallbladder anatomy; however, large-scale studies examining outcomes of total cholecystectomy and STC are lacking.

Methods

All adults undergoing total cholecystectomy or STC were tabulated from the 2016-2019 Nationwide Readmissions Database. Entropy balancing was performed to adjust for patient differences based on extent of resection. Subsequent multivariable regression models were used to assess the association of STC with major adverse events, postoperative length of stay (pLOS), hospitalization costs, and 30-day non-elective readmission rates.

Results

Of an estimated 854 357 patients, 7089 (.8%) underwent STC. Compared to total, STC patients were significantly older, less commonly female, and had a higher Elixhauser Index (all P < .001). Both cohorts had similar rates of postoperative ERCP (1.7% vs 1.5%, P = .33); however, the STC cohort had significantly higher utilization of subsequent drainage procedures (1.8% vs .5%, P < .001). After entropy balancing and multivariable risk-adjustment, STC was not associated with greater odds of MAE (AOR 1.11, 95% CI .99-1.23, P = .06). Notably, relative to total, STC was associated with longer pLOS (β .14, 95% CI .11-.17, P < .001) and greater hospitalization costs (β + $1,900, 95% CI 1300-2,500, P < .001). However, the extent of resection was not associated with the likelihood of 30-day non-elective readmission (AOR 1.01, 95% CI .91-1.13, P = .86).

Discussion

Our findings suggest that STC is a viable, yet resource intensive, option in the management of complex cholecystitis.

Keywords

acute care surgery biliary general surgery surgical quality

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