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Global epidemiology and patterns of cerebral venous thrombosis: a systematic review and meta-analysis protocol
Celestin Danwang1, Temgoua Ngou Mazou2, Joël Noutakdie Tochie1
1Department of Surgery and Specialties, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon.
Insights
This systematic review synthesizes global data on cerebral venous thrombosis (CVT), a cause of stroke in young people. It aims to provide a comprehensive overview of CVT epidemiology, risk factors, and outcomes.
Area of Science:
- Neurology
- Vascular Medicine
- Epidemiology
Background:
- Cerebral venous thrombosis (CVT) is a significant cause of stroke, particularly in pediatric and young adult populations.
- Existing epidemiological data on CVT are limited, hindering a full understanding of its global burden.
Purpose of the Study:
- To conduct a systematic review and meta-analysis of global data on cerebral venous thrombosis (CVT).
- To critically synthesize prevalence, incidence, risk factors, anatomical patterns, diagnostic/therapeutic delays, and mortality rates of CVT.
- To present findings stratified by country income level.
Main Methods:
- Systematic search of MEDLINE, EMBASE, and ISI Web of Science databases (1990-2017).
- Screening of abstracts, study selection, data extraction, and risk of bias assessment.
- Random effects meta-analysis for homogenous studies, with funnel plot and Egger's test for publication bias.
Main Results:
- Data synthesis on CVT prevalence, incidence, and associated risk factors.
- Analysis of anatomical patterns and delays in diagnosis and treatment.
- Evaluation of CVT mortality rates globally, comparing high-income vs. low/middle-income countries.
Conclusions:
- This review will provide crucial data for assessing the global impact of CVT.
- Findings are expected to inform clinical practice and public health strategies for stroke prevention and management.
- The study will be published in a peer-reviewed journal.
Introduction:
Venous thrombosis can affect all veins in the body including cerebral veins, where it causes cerebral venous thrombosis (CVT). CVT is an aetiology of stroke, particularly in children and young adults. Its clinical features vary widely according to the occluded vessel. Data concerning the epidemiology of CVT are scant. This protocol for a systematic review and meta-analysis aims to critically synthesise data concerning prevalence, incidence, risk factors, anatomical patterns, diagnostic and therapeutic delays, and mortality rate of CVT in the global population.
Methods And Analysis:
MEDLINE, EMBASE and ISI Web of Science databases will be searched for relevant abstracts of studies published between 1 January 1990 and 31 October 2017, without language restriction. After the screening of abstracts, study selection, data extraction and assessment of risk of bias, we will assess studies individually for heterogeneity. Random effects meta-analysis will then be used to pool studies judged to be clinically homogenous. Funnel plot analysis and Egger's test will be used to detect publication bias. Results will be presented according to economic level of the various countries (high-income vs low/middle-income countries).
Ethics And Dissemination:
Since the current study will be based on published data, ethical approval is not required. This review is expected to provide relevant data to help in evaluating the global burden of CVT. The final report of this study will be published in a peer-reviewed journal.
Prospero Registration Number:
CRD42017074266.
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