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. 2022 Jun;36(6):3822-3832.
doi: 10.1007/s00464-021-08699-1. Epub 2021 Sep 3.

Laparoscopy is associated with decreased all-cause mortality in patients undergoing emergency general surgery procedures in a regional health system

Sean J Donohue  1 , Caroline E Reinke  2 , Susan L Evans  2 , Mary M Jordan  2 , Yancey E Warren  2 , Timothy Hetherington  3 , Marc Kowalkowski  3 , Addison K May  2 , Brent D Matthews  2 , Samuel W Ross  4
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Laparoscopy is associated with decreased all-cause mortality in patients undergoing emergency general surgery procedures in a regional health system

Sean J Donohue et al. Surg Endosc. 2022 Jun.

Abstract

Background: The aim of this study was to evaluate the use of laparoscopic surgery for common emergency general surgery (EGS) procedures within an integrated Acute Care Surgery (ACS) network. We hypothesized that laparoscopy would be associated with improved outcomes.

Methods: Our integrated health care system's EGS registry created from AAST EGS ICD-9 codes was queried from January 2013 to October 2015. Procedures were grouped as laparoscopic or open. Standard descriptive and univariate tests were performed, and a multivariable logistic regression controlling for open status, age, BMI, Charlson Comorbidity Index (CCI), trauma tier, and resuscitation diagnosis was performed. Laparoscopic procedures converted to open were identified and analyzed using concurrent procedure billing codes across episodes of care.

Results: Of 60,604 EGS patients identified over the 33-month period, 7280 (12.0%) had an operation and 6914 (11.4%) included AAST-defined EGS procedures. There were 4813 (69.6%) surgeries performed laparoscopically. Patients undergoing a laparoscopic procedure tended to be younger (45.7 ± 18.0 years vs. 57.2 ± 17.6, p < 0.001) with similar BMI (29.7 ± 9.0 kg/m2 vs. 28.8 ± 8.3, p < 0.001). Patients in the laparoscopic group had lower mean CCI score (1.6 ± 2.3 vs. 3.4 ± 3.2, p ≤ 0.0001). On multivariable analysis, open surgery had the highest association with inpatient mortality (OR 8.67, 4.23-17.75, p < 0.0001) and at all time points (30-, 90-day, 1-, 3-year). At all time points, conversion to open was found to be a statistically significant protective factor.

Conclusion: Use of laparoscopy in EGS is common and associated with a decreased risk of all-cause mortality at all time points compared to open procedures. Conversion to open was protective at all time points compared to open procedures.

Keywords: Acute care surgery; Conversion to open; Emergency general surgery; Laparoscopy; Minimally invasive surgery; Quality improvement.

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