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Published on: October 15, 2021
Dexamethasone in Patients with Spontaneous Intracerebral Hemorrhage: An Updated Meta-Analysis
Stephanie Wintzer1, Josef Georg Heckmann2,3, Hagen B Huttner4
1Graduate of Medical Studies at the Medical University of Varna, Varna, Bulgaria.
Background:
Spontaneous intracerebral hemorrhage (ICH) is a frequent cerebrovascular disorder and still associated with high mortality and poor clinical outcomes. The purpose of this review was to update a 15-year-old former meta-analysis on randomized clinical trials (RCTs) addressing the question of whether ICH patients treated with dexamethasone have better outcomes than controls.
Methods:
The electronic databases PubMed, SCOPUS, and Cochrane as well as web platforms on current clinical trials were searched for the years 1970-2020 without constriction on language. Data were extracted and outcomes were pooled for conventional and cumulative meta-analysis using a commercial software program (www.Meta-Analysis.com).
Results:
Finally, 7 RCTs were identified and analyzed including 248 participants in the dexamethasone groups and 242 in the control groups. Five studies showed a high risk of bias. The overall relative risk (RR) for death was 1.32 (95% confidence interval [CI] 0.99-1.76; p = 0.06) and did not differ significantly between the 2 groups. After exclusion of studies with high risk of bias, the RR for death was 1.37 (95% CI 0.54-3.42; p = 0.51). The RR for poor outcome did not differ significantly between the 2 groups analyzed for all included studies (RR = 0.69; 95% CI 0.47-1; p = 0.05) and after exclusion of studies with high risk of bias (RR = 0.7; 95% CI 0.45-1.08; p = 0.11). The RR for complications did not differ significantly including all studies (RR = 1.29; 95% CI 0.77-2.17; p = 0.34) and after exclusion of studies with high risk of bias (RR = 1.27; 95% CI 0.18-8.89; p = 0.81). The cumulative statistics delivered no other results; however, it pointed out fewer complications over time in the dexamethasone group.
Conclusion:
Clear evidence of a beneficial or negative effect of dexamethasone is still lacking. Modern RCTs or observational studies with propensity design are necessary to evaluate the efficacy and safety of treatment with dexamethasone in patients with ICH.
