• Journal of neurosurgery · Oct 2024

    Rapid response system and outcomes in patients who underwent cranial neurosurgery: a nationwide cohort study.

    • Tak Kyu Oh and In-Ae Song.
    • 1Department of Anesthesiology and Pain Medicine, Bundang Hospital, Seoul National University, Seongnam; and.
    • J. Neurosurg. 2024 Oct 11: 191-9.

    ObjectiveHospitals use rapid response systems (RRSs) to identify and treat patients whose conditions rapidly worsen after admission. However, no study has examined the effects of RRS deployment on the clinical outcomes of patients undergoing cranial neurosurgery. Thus, the authors investigated whether use of RRS affects clinical outcomes in these patients.MethodsThis nationwide, retrospective, population-based cohort study included adult patients who underwent cranial neurosurgery in South Korea between January 1, 2019, and December 31, 2021. The authors classified patients admitted to hospitals that operated RRS into the RRS group and those admitted to hospitals that did not operate RRS into the non-RRS group.ResultsOverall, 73,600 hospitalized patients who underwent cranial neurosurgery were included in this study. These patients were divided into 2 groups: 38,544 (52.4%) were included in the RRS group and 35,066 (47.6%) in the non-RRS group. After propensity score matching, 40,058 patients (20,029 in each group) remained. The in-hospital mortality rate was 10.1% (2022/20,029) for the non-RRS group and 8.9% (1792/20,029) for the RRS group. In the logistic regression analysis, the in-hospital mortality rate of the RRS group was 12% (OR 0.88, 95% CI 0.82-0.94, p < 0.001) lower than that of the non-RRS group. The 1-year all-cause mortality rate was 26.5% (5300/20,029) in the non-RRS group and 24.6% (4921/20,029) in the RRS group. In the Cox regression analysis, the 1-year all-cause mortality rate of the RRS group was 9% (HR 0.91, 95% CI 0.88-0.95; p < 0.001) lower than that of the non-RRS group.ConclusionsThis population-based cohort study revealed that implementing RRS was associated with enhanced short- and long-term survival outcomes in patients who underwent cranial neurosurgery. The authors' findings indicate that the introduction of RRS can enhance patient survival rates after cranial neurosurgery.

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