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Aetiology and outcome of non-traumatic coma in African children: protocol for a systematic review and meta-analysis
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Aetiology and outcome of non-traumatic coma in African children: protocol for a systematic review and meta-analysis
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Aetiology and outcome of non-traumatic coma in African children: protocol for a systematic review and meta-analysis
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Journal Article
Aetiology and outcome of non-traumatic coma in African children: protocol for a systematic review and meta-analysis
2021
Overview
Background
Non-traumatic coma is a common acute childhood presentation to healthcare facilities in Africa and is associated with high morbidity and mortality. Historically, the majority of cases were attributed to cerebral malaria (CM). With the recent drastic reduction in malaria incidence, non-malarial coma is becoming a larger proportion of cases and determining the aetiology is diagnostically challenging, particularly in resource-limited settings. The purpose of this study will be to evaluate the aetiology and prognosis of non-traumatic coma in African children.
Methods
With no date restrictions, systematic searches of MEDLINE, Embase, and Scopus will identify prospective and retrospective studies (including randomised controlled trials, cluster randomised trials, cohort studies, cross-sectional, and case-control studies) recruiting children (1 month–16 years) with non-traumatic coma (defined by Blantyre Coma Score ≤ 2 or comparable alternative) from any African country. Disease-specific studies will be included if coma is associated and reported. The primary outcome is to determine the aetiology (infectious and non-infectious) of non-traumatic coma in African children, with pooled prevalence estimates of causes (e.g., malaria). Secondary outcomes are to determine overall estimates of morbidity and mortality of all-cause non-traumatic coma and disease-specific states of non-traumatic coma, where available. Random effects meta-analysis will summarise aetiology data and in-hospital and post-discharge mortality. Heterogeneity will be quantified with
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Discussion
This systematic review will provide a summary of the best available evidence on the aetiology and outcome of non-traumatic coma in African children.
Systematic review registration
PROSPERO CRD42020141937
