SynthesisEuropean journal of trauma and emergency surgery : official publication of the European Trauma Society2026
Impacts of intracranial pressure monitoring on mortality and length of stay in severe traumatic brain injury: a systematic review and meta-analysis.
Synthesis in European journal of trauma and emergency surgery : official publication of the European Trauma Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThis systematic review and meta-analysis examined the association between intracranial pressure monitoring (ICPm) and mortality in patients with severe traumatic brain injury (sTBI), with additional focus on functional neurological outcomes and intensive care unit (ICU) and hospital length of stay (LOS).
methodsThis review followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and was registered with PROSPERO (CRD42025643607). MEDLINE, Embase, and the Cochrane Central Register of Controlled Trials were searched through August 1, 2025, for studies comparing ICP-monitored and non-ICP-monitored patients with traumatic brain injury. Eligible study designs included randomized controlled trials, prospective observational cohort studies, retrospective observational cohort studies, registry-based cohort studies, and case-control studies. Study quality was assessed using the Strengthening the Reporting of Observational Studies in Epidemiology checklist, Risk of Bias 2.0 for randomized trials, and the Oxford Centre for Evidence-Based Medicine Levels of Evidence framework.
resultsThirty-one studies met inclusion criteria. The mortality meta-analysis included 121,799 patients. Pooled crude analysis showed lower mortality in ICP-monitored patients than in non-monitored patients (OR 0.79, 95% CI 0.68-0.91, p = 0.002), with high heterogeneity (I²=92%). Across studies with extractable group-level mortality percentages, median mortality was 28.6% in ICP-monitored patients and 33.2% in non-monitored patients. Functional neurological outcomes were inconsistently reported and did not show a consistent benefit with ICPm. ICU and hospital LOS were generally longer in ICP-monitored patients. Ten studies reported complication data, most commonly infection, hemorrhagic events, and mechanical or device-related complications; reporting was heterogeneous and precluded pooled analysis.
conclusionsICPm was associated with lower crude mortality in sTBI; however, substantial heterogeneity and residual confounding limit causal interpretation. Functional outcomes did not show consistent benefit. Complication reporting was inconsistent, but reported events included infection, hemorrhage, and device-related complications. Future studies should standardize functional outcome reporting and adjust for key confounders. LEVEL OF EVIDENCE: Systematic review and meta-analysis; Level III.
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