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The outcome of COVID-19 among the geriatric age group in African countries: protocol for a systematic review and meta-analysis.

ABSTRACT: Background:According to the World Health Organization (WHO), the outbreak of coronavirus disease in 2019 (COVID-19) has been declared as a pandemic and public health emergency that infected more than 5 million people worldwide at the time of writing this protocol. Strong evidence for the outcome of COVID-19 among the geriatric age group has not been published in Africa. Therefore, this protocol will be served as a guideline to conduct a systematic review and meta-analysis of the outcome of COVID-19 among the geriatric age group in Africa. Methods:Published and unpublished studies on the outcome of COVID-19 among the geriatric age group in Africa and written in any language will be included. Databases (PubMed / MEDLINE, Google Scholar, Google, EMBASE, Web of Science, Microsoft Academic, WHO COVID-19 database, Cochran Library, Africa Wide Knowledge, and Africa Index Medicus) from March to August 2020 will be searched. Two independent reviewers will select, screen, extract data, and assess the risk of bias. The proportion will be measured using a random-effects model. Subgroup analysis will be conducted to manage heterogeneity. The presence of publication bias will be assessed using Egger's test and visual inspection of the funnel plots. This systematic and meta-analysis review protocol will be reported per the PRISMA-P guidelines. Conclusion:This systematic review and meta-analysis protocol will be expected to quantify the outcome of COVID-19 among the geriatric age group in Africa. Systematic review registration:This protocol was submitted for registration with the International Prospective Register of Systematic Reviews (PROSPERO) in April 2020 and accepted with the registration number: (https://www.crd.york.ac.uk/PROSPERO). CRD42020180600.

SUBMITTER: Tadesse DB

PROVIDER: S-EPMC7541940 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The outcome of COVID-19 among the geriatric age group in African countries: protocol for a systematic review and meta-analysis.

Tadesse Degena Bahrey DB Wahdey Shishay S Negash Melaku M Ayele Ebud E Haile Teklehaimanot Gereziher TG Kiros Kbrom Gemechu KG Tesfamichael Yohannes Ashebir YA Gebrekidan Kiros Belay KB

Asthma research and practice 20201008

<h4>Background</h4>According to the World Health Organization (WHO), the outbreak of coronavirus disease in 2019 (COVID-19) has been declared as a pandemic and public health emergency that infected more than 5 million people worldwide at the time of writing this protocol. Strong evidence for the outcome of COVID-19 among the geriatric age group has not been published in Africa. Therefore, this protocol will be served as a guideline to conduct a systematic review and meta-analysis of the outcome ...[more]

PMID: 33047071

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Project description:BackgroundAdvances in medical science coupled with increased people's income results an elevated average of life expectancy even in the resource poor countries. The growing number of aged population, however, has drawn little attention in health system discourse of low- and Middle-Income Countries (LMICs). Nevertheless, ensuring availability of appropriate service and properly trained and skilled health workforce is an absolute necessity for a functional geriatric and palliative healthcare. Given the lack of specialist geriatricians in LMICs contexts, there are other health workforce strategies that might be effective in building a proper health system response to this growing demand. Therefore, we aimed to identify and synthesize evidence on the existing health workforce-related strategies taken to provide geriatric and palliative care in LMICs.MethodsWe will follow the recommendations provided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Following the PRISMA guidelines, we will search the Medline/PubMed, Scopus, Web of Science and Cochrane database from January 2011 to December 2021 using a comprehensive search strategy. Two independent reviewers will screen the title and abstracts text using the specified inclusion and exclusion criteria. For the finally included articles, full manuscripts will be retrieved, and reviewers will appraise and extract data using standardized form independently. The third reviewer will resolve any disagreements appear in the process. The findings of the review be synthesized using the narrative synthesis approach to analyse descriptive quantitative and qualitative data. Furthermore, meta-analysis will be done provided that the data meet certain requirement as per Cochrane guideline. Rayyan software will be used to manage and synthesize data. Revman software will be used to do meta-analysis, if data support.ResultsFindings of this review will be published in a peer-reviewed journal.ConclusionThis systematic review will identify the existing effective strategies taken to provide geriatric and palliative care, in LMICs.

Project description:BackgroundCOVID 19 is the most recent cause of Adult respiratory distress syndrome ARDS. Invasive mechanical ventilation IMV can support gas exchange in patients failing non-invasive ventilation, but its reported outcome is highly variable between countries. We conducted a systematic review and meta-analysis on IMV for COVID-associated ARDS to study its outcome among different countries.MethodsCENTRAL, MEDLINE/PubMed, Cochrane Library, and Scopus were systematically searched up to August 8, 2020. Studies reporting five or more patients with end point outcome for severe COVID 19 infection treated with IMV were included. The main outcome assessed was mortality. Baseline, procedural, outcome, and validity data were systematically appraised and pooled with random-effect methods. Subgroup analysis for different countries was performed. Meta-regression for the effect of study timing and patient age and were tested. Publication bias was examined. This trial was registered with PROSPERO under registration number CRD42020190365.FindingsOur electronic search retrieved 4770 citations, 103 of which were selected for full-text review. Twenty-one studies with a combined population of 37359 patients with COVID-19 fulfilled the inclusion criteria. From this population, 5800 patients were treated by invasive mechanical ventilation. Out of those, 3301 patients reached an endpoint of ICU discharge or death after invasive mechanical ventilation while the rest were still in the ICU. Mortality from IMV was highly variable among the included studies ranging between 21% and 100%. Random-effect pooled estimates suggested an overall in-hospital mortality risk ratio of 0.70 (95% confidence interval 0.608 to 0.797; I2 = 98%). Subgroup analysis according to country of origin showed homogeneity in the 8 Chinese studies with high pooled mortality risk ratio of 0.97 (I2 = 24%, p = 0.23) (95% CI = 0.94-1.00), similar to Italy with a low pooled mortality risk ratio of 0.26 (95% CI 0.08-0.43) with homogeneity (p = 0.86) while the later larger studies coming from the USA showed pooled estimate mortality risk ratio of 0.60 (95% CI 0.43-0.76) with persistent heterogeneity (I2 = 98%, p<0.001). Meta-regression showed that outcome from IMV improved with time (p<0.001). Age had no statistically significant effect on mortality (p = 0.102). Publication bias was excluded by visualizing the funnel plot of standard error, Egger's test with p = 0.714 and Begg&Mazumdar test with p = 0.334.InterpretationThe study included the largest number of patients with outcome findings of IMV in this current pandemic. Our findings showed that the use of IMV for selected COVID 19 patients with severe ARDS carries a high mortality, but outcome has improved over the last few months and in more recent studies. The results should encourage physicians to use this facility when indicated for severely ill COVID-19 patients.

Project description:ObjectiveNeisseria meningitidis carriage prevalence has known variation across the lifespan, but it is unclear whether carriage varies among meningococcal capsular groups. Therefore, we aimed to characterise group-specific meningococcal carriage by age group and world region from 2007 to 2016.DesignSystematic review and meta-analysis.Data sourcesMEDLINE, Embase, Global Health Database, WHO Global Health Library, Web of Science, Current Contents Connects, China National Knowledge Infrastructure and Wanfang were systematically searched. Database searches were conducted through July 2018 and Google Scholar forward searches of included studies were conducted through August 2018. References of included studies and relevant conference abstracts were also searched to identify additional articles for inclusion.Eligibility criteriaStudies were eligible for inclusion if they reported capsular group-specific meningococcal carriage in a healthy population of a specified age group and geographical region. For this review, only studies conducted between 2007 and 2016 were included.Data extraction and synthesisData were independently extracted by two authors into Microsoft Access. Studies were assessed for risk of bias using the Joanna Briggs Institute Critical Appraisal Checklist for Studies Reporting Prevalence Data. Studies eligible for inclusion in quantitative analyses by pre-specified age groups were pooled using random effects meta-analyses. Results are reported by capsular group, age group and WHO region. Where meta-analyses were not appropriate, study results were discussed narratively.Results7511 articles were identified and 65 were eligible for inclusion. Adolescents and young adults were the focus of many studies (n=24), especially in the Americas and Europe. Studies from China and Africa, typically, included data from a wider age range. The overall carriage prevalence varied markedly by age group and region. Based on the available data, 21 studies were included in meta-analyses reporting serogroup carriage for: all ages in Africa, 18-24-year olds in the Americas, and 11-17 and 18-24-year olds in Europe. Capsular groups W, X, Y and 'other' (non-ABCWXY, including non-groupable) were the most prevalent in Africa, and 5-17-year olds had higher carriage prevalence than other age groups. 'Other' serogroups (11.5%, 95% CI 1.6% to 16.1%) were the most common among 18-24-year olds from the Americas. In Europe, 18-24-year old were carriers more frequently than 11-17-year olds, and groups B (5.0%, 95% CI 3.0% to 7.5%), Y (3.9%, 95% CI 1.3% to 7.8%) and 'other' (6.4%, 95% CI 3.1% to 10.8%) were the most commonly carried in the older age group.ConclusionsOf the age groups included in the analysis, carriage patterns by age were similar across capsular groups within a region but differed between regions. Data gaps remain for age- and capsular group-specific carriage in many regions, especially in the Eastern Mediterranean and South-East Asia. As such, clear and robust conclusions about the variation of capsular group-specific carriage by age group and WHO region were unable to be determined.Prospero registration numberCRD42017074671.

Dataset Information

The outcome of COVID-19 among the geriatric age group in African countries: protocol for a systematic review and meta-analysis.

Publications

The outcome of COVID-19 among the geriatric age group in African countries: protocol for a systematic review and meta-analysis.

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