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- Title
Association of Neurocritical Care Services With Mortality and Functional Outcomes for Adults With Brain Injury: A Systematic Review and Meta-analysis.
- Authors
Pham, Xiuxian; Ray, Jason; Neto, Ary Serpa; Laing, Joshua; Perucca, Piero; Kwan, Patrick; O'Brien, Terence J.; Udy, Andrew A.
- Abstract
This systematic review and meta-analysis assesses data for adults with acute brain injury who were admitted to intensive care units to evaluate the association of neurocritical care with patient-centered outcomes. Key Points: Question: What is the association of subspecialized neurocritical care with outcomes for adults with brain injury admitted to intensive care units? Findings: In this systematic review and meta-analysis, there was a statistically significant 17% relative risk reduction in mortality and unfavorable functional outcomes for patients receiving neurocritical care compared with general care in critical care settings. Meaning: Neurocritical care has the potential to improve survival in adults with acute brain injury. Importance: Neurocritical care (NCC) aims to improve the outcomes of critically ill patients with brain injury, although the benefits of such subspecialized care are yet to be determined. Objective: To evaluate the association of NCC with patient-centered outcomes in adults with acute brain injury who were admitted to intensive care units (ICUs). The protocol was preregistered on PROSPERO (CRD42020177190). Data Sources: Three electronic databases were searched (Ovid MEDLINE, Embase, Cochrane Central Register of Controlled Trials) from inception through December 15, 2021, and by citation chaining. Study Selection: Studies were included for interventions of neurocritical care units (NCCUs), neurointensivists, or NCC consulting services compared with general care in populations of neurologically ill adults or adults with acute brain injury in ICUs. Data Extraction and Synthesis: Data extraction was performed in keeping with PRISMA guidelines and risk of bias assessed through the ROBINS-I Cochrane tool by 2 independent reviewers. Data were pooled using a random-effects model. Main Outcomes and Measures: The primary outcome was all-cause mortality at longest follow-up until 6 months. Secondary outcomes were ICU length of stay (LOS), hospital LOS, and functional outcomes. Data were measured as risk ratio (RR) if dichotomous or standardized mean difference if continuous. Subgroup analyses were performed for disease and models of NCC delivery. Results: After 5659 nonduplicated published records were screened, 26 nonrandomized observational studies fulfilled eligibility criteria. A meta-analysis of mortality outcomes for 55 792 patients demonstrated a 17% relative risk reduction (RR, 0.83; 95% CI, 0.75-0.92; P =.001) in those receiving subspecialized care (n = 27 061) compared with general care (n = 27 694). Subgroup analyses did not identify subgroup differences. Eight studies including 4667 patients demonstrated a 17% relative risk reduction (RR, 0.83; 95% CI, 0.70-0.97; P =.03) for an unfavorable functional outcome with subspecialized care compared with general care. There were no differences in LOS outcomes. Heterogeneity was substantial in all analyses. Conclusions and Relevance: Subspecialized NCC is associated with improved survival and functional outcomes for critically ill adults with brain injury. However, confidence in the evidence is limited by substantial heterogeneity. Further investigations are necessary to determine the specific aspects of NCC that contribute to these improved outcomes and its cost-effectiveness.
- Publication
JAMA Neurology, 2022, Vol 79, Issue 10, p1049
- ISSN
2168-6149
- Publication type
Article
- DOI
10.1001/jamaneurol.2022.2456