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Predisposed to Failure? The Challenge of Rescue in the Medical Intensive Care Unit.
J Trauma Acute Care Surg. 2019 Jun 20;:
Authors: Briggs A, Handzel R, Kutcher ME, Peitzman AB, Forsythe RM
Abstract
BACKGROUND: Medical Intensive Care Unit (MICU) patients develop acute surgical processes that require operative intervention. There are limited data addressing outcomes of emergency general surgery (EGS) in this population. The aim of our study was to characterize the breadth of surgical consults from the MICU and assess mortality after abdominal EGS cases.
METHODS: All MICU patients with an EGS consult in an academic medical center between January 2010 and 2016 were identified from an electronic medical record-based registry. Charts were reviewed to determine reason for consult, procedures performed, and to obtain additional clinical data. A multivariate logistic regression was used to determine patient factors associated with patient mortality.
RESULTS: Of 911 MICU patients seen by our service, 411(45%) required operative intervention, with 186 patients undergoing an abdominal operation. The postoperative mortality rate after abdominal operations was 37% (69/186), significantly higher than the mortality of 16% (1833/11192) for all patients admitted to the MICU over the same period (p<0.05). Damage control procedures were performed in 64 patients (34%), with 46% mortality in this group. The most common procedures were bowel resections, with mortality of 42% (28/66) and procedures for severe clostridium difficile, mortality of 38% (9/24). Twenty-seven patients met our definition of surgical rescue, requiring intervention for complications of prior procedures, with mortality of 48%. Need for surgical rescue was associated with increased admission mortality (OR 13.07, 95%CI 2.86,59.79). Twenty-six patients had pathology amenable to surgical intervention but did not undergo operation, with 100% mortality. In patients with abdominal pathology at the time of operation, in-hospital delay was associated with increased mortality (OR 5.13, 95%CI 1.11,23.77).
CONCLUSIONS: Twenty percent of EGS consults from the MICU had an abdominal process requiring an operative intervention. While the MICU population as a whole has a high baseline mortality, patients requiring abdominal surgical intervention are an even higher risk.
LEVEL OF EVIDENCE: Level III Prognostic and Epidemiological.
PMID: 31233441 [PubMed - as supplied by publisher]