• Tej D Azad, Emily Rodriguez, Divyaansh Raj, Yuanxuan Xia, Joshua Materi, Jordina Rincon-Torroella, L Fernando Gonzalez, Jose I Suarez, Rafael J Tamargo, Henry Brem, Elliott R Haut, and Chetan Bettegowda.
• Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA.
• Neurosurgery. 2023 Feb 1; 92 (2): 338343338-343.

BackgroundImproving neurosurgical quality metrics necessitates the analysis of patient safety indicator (PSI) 04, a measure of failure to rescue (FTR).ObjectiveTo demonstrate that PSI 04 is not an appropriate measure for capturing FTR within neurosurgery.MethodsWe conducted a single-center retrospective cohort study. Patients from January 1, 2017 to June 1, 2021, who sustained a PSI 04-attributed complication (pneumonia, deep vein thrombosis/pulmonary embolism, sepsis, shock/cardiac arrest, or gastrointestinal hemorrhage/acute ulcer), underwent a neurosurgical procedure, had inpatient mortality, and were identified using patient safety indicator 04 (PSI 04) tracking algorithm. The primary outcome was whether the attributed PSI 04 designation was the primary driver of mortality.ResultsWe identified 67 patients who met the PSI 04 criteria (median age, 61 years; female sex, 43.4%). Nearly 20% of patients met the PSI complication criteria before admission. Patients who underwent emergent bedside procedures were more likely to present with a poor Glasgow Coma Scale ( P = .016), more likely to be intubated before admission ( P = .016), and less likely to have mortality due to a PSI 04-related complication ( P = .002). PSI 04-related complications were identified as the cause of death in only 43.2% of cases. Procedures occurring in the interventional radiology suite (odds ratio, 23.2; 95% CI, 3.5-229.3; P = .003) or the operating room (odds ratio, 6.2; 95% CI, 1.25-39.5; P = .03) were more likely to have mortality because of a PSI 04-related complication compared with bedside procedures.ConclusionIn total, 65.7% of patients were inappropriately flagged as meeting PSI 04 criteria. PSI 04 currently identifies patients with complications unrelated to operating room procedures. Improvement in patient safety within neurosurgery necessitates the development of a subspecialty specific measure to capture FTR.Copyright © Congress of Neurological Surgeons 2022. All rights reserved.

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