Health effects of desert dust and sand storms: a systematic review and meta-analysis protocol

IntroductionDesert dust concentrations raise concerns about adverse effects on human health. During the last decade, special attention has been given to mineral dust particles from desert dust and sand storms. However, evidence from previous reviews reported inconclusive results on their health effects and the biological mechanism remains unclear. We aim to systematically synthesise evidence on the health effects of desert dust and sand storms accounting for the relevant desert dust patterns from source areas and emissions, transport and composition.Methods an analysisWe will conduct a systematic review that investigated the health effects of desert dust and sand storms in any population. The search will be performed for any eligible studies from previous reviews and selected electronic databases until 2018. Study selection and reporting will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Data from individual studies will be extracted using a standardised data extraction form. Quality of the studies will be assessed using a risk of bias tool for environmental exposures developed by experts convened by the WHO. A meta-analysis will be performed by calculating the appropriate effect measures of association for binary and continuous outcomes from individual studies. Subgroup analyses will be performed by geographical areas to account for desert dust patterns.Ethics and disseminationNo primary data will be collected. For this reason, no formal ethical approval is required. This systematic review will help to fill the research gaps in the knowledge of desert dust on human health. The results will be disseminated through a WHO peer-reviewed publication and a conference presentation.PROSPERO registration numberCRD42018091809

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Prevalence of retinopathy in prediabetes: protocol for a systematic review and meta-analysis

BMJ Open ◽

10.1136/bmjopen-2020-040997 ◽

2021 ◽

Vol 11 (1) ◽

pp. e040997

Author(s):

Varo Kirthi ◽

Paul Nderitu ◽

Uazman Alam ◽

Jennifer Evans ◽

Sarah Nevitt ◽

...

Keyword(s):

Systematic Review ◽

Diabetic Retinopathy ◽

Data Extraction ◽

Meta Analysis ◽

International Diabetes Federation ◽

Current Data ◽

Risk Of Bias ◽

Fundus Photography ◽

Primary Data ◽

Cochrane Library

IntroductionThere is growing evidence of a higher than expected prevalence of retinopathy in prediabetes. This paper presents the protocol of a systematic review and meta-analysis of retinopathy in prediabetes. The aim of the review is to estimate the prevalence of retinopathy in prediabetes and to summarise the current data.Methods and analysisThis protocol is developed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols (PRISMA-P) guidelines. A comprehensive electronic bibliographic search will be conducted in MEDLINE, EMBASE, Web of Science, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Google Scholar and the Cochrane Library. Eligible studies will report prevalence data for retinopathy on fundus photography in adults with prediabetes. No time restrictions will be placed on the date of publication. Screening for eligible studies and data extraction will be conducted by two reviewers independently, using predefined inclusion criteria and prepiloted data extraction forms. Disagreements between the reviewers will be resolved by discussion, and if required, a third (senior) reviewer will arbitrate.The primary outcome is the prevalence of any standard features of diabetic retinopathy (DR) on fundus photography, as per International Clinical Diabetic Retinopathy Severity Scale (ICDRSS) classification. Secondary outcomes are the prevalence of (1) any retinal microvascular abnormalities on fundus photography that are not standard features of DR as per ICDRSS classification and (2) any macular microvascular abnormalities on fundus photography, including but not limited to the presence of macular exudates, microaneurysms and haemorrhages. Risk of bias for included studies will be assessed using a validated risk of bias tool for prevalence studies. Pooled estimates for the prespecified outcomes of interest will be calculated using random effects meta-analytic techniques. Heterogeneity will be assessed using the I2 statistic.Ethics and disseminationEthical approval is not required as this is a protocol for a systematic review and no primary data are to be collected. Findings will be disseminated through peer-reviewed publications and presentations at national and international meetings including Diabetes UK, European Association for the Study of Diabetes, American Diabetes Association and International Diabetes Federation conferences.PROSPERO registration numberCRD42020184820.

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Leishmanicidal effects of resveratrol and its derivatives: a systematic review and meta-Analysis

10.21203/rs.3.rs-25274/v1 ◽

2020 ◽

Author(s):

Nasrin Amiri Dashatan ◽

Marzieh Ashrafmansouri ◽

Mehdi Koushki ◽

Nayebali Ahmadi

Keyword(s):

Systematic Review ◽

Publication Bias ◽

Data Extraction ◽

Meta Analysis ◽

Sensitivity Analyses ◽

Protective Effects ◽

Random Effects Models ◽

Important Health ◽

Mean Differences ◽

Meta Analyses

Abstract Background Leishmaniasis is one of the most important health problems worldwide. The evidence has suggested that resveratrol and its derivatives have anti-leishmanial effects; however, the results are inconsistent and inconclusive. The aim of this study was to assess the effect of resveratrol and its derivatives on the Leishmania viability through a systematic review and meta-analysis of available relevant studies. Methods The electronic databases PubMed, ScienceDirect, Embase, Web of Science and Scopus were queried between October 2000 and April 2020 using a comprehensive search strategy. The eligible articles selected and data extraction conducted by two reviewers. Mean differences of IC50 (concentration leading to reduction of 50% of Leishmania) for each outcome was calculated using random-effects models. Sensitivity analyses and prespecified subgroup were conducted to evaluate potential heterogeneity and the stability of the pooled results. Publication bias was evaluated using the Egger’s and Begg’s tests. We also followed the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines for this review. Results Ten studies were included in the meta-analysis. We observed that RSV and its derivatives had significant reducing effects on Leishmania viability in promastigote [24.02 µg/ml; (95% CI 17.1, 30.8); P < 0.05; I2 = 99.8%; P heterogeneity = 0.00] and amastigote [18.3 µg/ml; (95% CI 13.5, 23.2); P < 0.05; I2 = 99.6%; P heterogeneity = 0.00] stages of Leishmania. A significant publication bias was observed in the meta-analysis. Sensitivity analyses showed a similar effect size while reducing the heterogeneity. Subgroup analysis indicated that the pooled effects of leishmanicidal of resveratrol and its derivatives were affected by type of stilbenes and Leishmania species. Conclusions Our findings clearly suggest that the strategies for the treatment of leishmaniasis should be focused on natural products such as RSV and its derivatives. Further study is needed to identify the mechanisms mediating this protective effects of RSV and its derivatives in leishmaniasis.

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Aromatherapy for Symptom Relief in Patients with Burn: A Systematic Review and Meta-Analysis

Medicina ◽

10.3390/medicina58010001 ◽

2021 ◽

Vol 58 (1) ◽

pp. 1

Author(s):

Hye Won Lee ◽

Lin Ang ◽

Jung Tae Kim ◽

Myeong Soo Lee

Keyword(s):

Systematic Review ◽

Data Extraction ◽

Meta Analysis ◽

Symptom Relief ◽

Routine Care ◽

Risk Of Bias ◽

Review Author ◽

Beneficial Effects ◽

Study Selection ◽

Meta Analyses

Background and Objectives: This review aimed to provide an updated review of evidence regarding the effects of aromatherapy in relieving symptoms of burn injuries, focusing on pain and physiological distress. Materials and Methods: Fifteen databases (including five English databases, four Korean medical databases, and four Iranian databases) and trial registries were searched for studies published between their dates of inception and July 2021. Two review authors individually performed study selection, data extraction, and risk of bias assessment, and any discrepancies were solved by a third review author. Results: Eight RCTs met our inclusion criteria and were analyzed in this updated systematic review. Our meta-analyses revealed that inhaled aromatherapy plus routine care showed beneficial effects in relieving pain after dressing, as compared to placebo plus routine care (p < 0.00001) and routine care alone (p = 0.02). Additionally, inhaled aromatherapy plus routine care (p < 0.00001) and aromatherapy massage plus routine care (p < 0.0001) also showed superior effects in calming anxiety, as compared to routine care alone. None of the included studies reported on AEs. Overall, the risk of bias across the studies was concerning. Conclusions: This updated review and synthesis of the studies had brought a more detailed understanding of the potential application of aromatherapy for easing the pain and anxiety of burn patients.

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Prevalence and predictors of medication non-adherence among patients with multimorbidity: A systematic review protocol

HRB Open Research ◽

10.12688/hrbopenres.12961.1 ◽

2019 ◽

Vol 2 ◽

pp. 29

Author(s):

Louise Foley ◽

James Larkin ◽

Richard Lombard-Vance ◽

Andrew W. Murphy ◽

Gerard J. Molloy

Keyword(s):

Systematic Review ◽

Full Text ◽

Chronic Conditions ◽

Data Extraction ◽

Meta Analysis ◽

Intervention Development ◽

Evidence Base ◽

Multiple Chronic Conditions ◽

Review Protocol ◽

Form Quality

Introduction: Patients with multimorbidity are expected to adhere to complex medication regimens in order to manage their multiple chronic conditions. It has been reported the likelihood of adherence decreases as patients are prescribed more medications. Much medication adherence research to date is dominated by a single-disease focus, which is at odds with the rising prevalence of multimorbidity and may artificially underestimate the complexity of managing chronic illness. This review aims to describe the prevalence of medication non-adherence among patients with multimorbidity, and to identify potential predictors of non-adherence in this population. Methods: A systematic review will be conducted and reported according to PRISMA guidelines. PubMed, EMBASE, CINAHL and PsycINFO will be searched using a predefined search strategy from 2009–2019. Quantitative studies will be considered eligible for review if prevalence of medication non-adherence among adults with two or more chronic conditions is reported. Studies will be included in the review if available in English full text. Titles and abstracts will be screened by single review, with 20% of screening cross-checked by a second reviewer. Full-text articles will be screened by two independent reviewers, noting reasons for exclusions. Data extraction will be performed using a predefined extraction form. Quality and risk of bias assessment will be conducted using criteria for observational studies outlined by Sanderson et al. (2007). A narrative synthesis and, if feasible, meta-analysis will be conducted. Discussion: By exploring medication non-adherence from a multimorbidity perspective, the review aims to inform an evidence base for intervention development which accounts for the rising prevalence of patients with multiple chronic conditions. Study registration: The systematic review is prospectively registered in PROSPERO (CRD42019133849); registered on 12 June 2019.

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Timely Revisit of Proprioceptive Deficits in Adolescent Idiopathic Scoliosis: A Systematic Review and Meta-Analysis

Global Spine Journal ◽

10.1177/21925682211066824 ◽

2021 ◽

pp. 219256822110668

Author(s):

Kenney K. L. Lau ◽

Karlen K. P. Law ◽

Kenny Y. H. Kwan ◽

Jason P. Y. Cheung ◽

Kenneth M. C. Cheung ◽

...

Keyword(s):

Systematic Review ◽

Adolescent Idiopathic Scoliosis ◽

Idiopathic Scoliosis ◽

Case Reports ◽

Data Extraction ◽

Meta Analysis ◽

Detection Threshold ◽

Mean Difference ◽

Case Control Studies ◽

Meta Analyses

Study Design Systematic review and meta-analysis Objectives The present review aimed to summarize the evidence regarding differences in proprioception between children with and without adolescent idiopathic scoliosis (AIS). Methods Seven electronic databases were searched from their inception to April 10, 2021. Articles were included if they involved: (1) AIS patients aged between 10 and 18 years, (2) measurements of proprioceptive abilities, and (3) comparisons with non-AIS controls. Animal studies, case reports, commentaries, conference proceedings, research protocols, and reviews were excluded. Two reviewers independently conducted literature screening, data extraction, risks of bias assessments, and quality of evidence evaluations. Relevant information was pooled for meta-analyses. Results From 432 identified citations, 11 case-control studies comprising 1121 participants were included. The meta-analyses showed that AIS participants displayed proprioceptive deficits as compared to non-AIS controls. Moderate evidence supported that AIS participants showed significantly larger repositioning errors than healthy controls (pooled mean difference = 1.27 degrees, P < .01). Low evidence substantiated that AIS participants had significantly greater motion detection threshold (pooled mean difference = 1.60 degrees, P < .01) and abnormal somatosensory evoked potentials (pooled mean difference = .36 milliseconds, P = .01) than non-AIS counterparts. Conclusions Consistent findings revealed that proprioceptive deficits occurred in AIS patients. Further investigations on the causal relationship between AIS and proprioception, and the identification of the subgroup of AIS patients with proprioceptive deficit are needed.

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Environmental risk factors of leptospirosis in urban settings: a systematic review protocol

BMJ Open ◽

10.1136/bmjopen-2018-023359 ◽

2019 ◽

Vol 9 (1) ◽

pp. e023359

Author(s):

Mohd Hatta Abdul Mutalip ◽

Mohd Amierul Fikri Mahmud ◽

Noor Aliza Lodz ◽

Norzawati Yoep ◽

Eida Nurhadzira Muhammad ◽

...

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Environmental Risk ◽

Observational Studies ◽

Data Extraction ◽

Meta Analysis ◽

Environmental Risk Factors ◽

Primary Data ◽

Urban Settings ◽

Susceptible Populations

IntroductionLeptospirosis is the most common zoonotic disease that causes morbidity and mortality worldwide. The disease can cause sporadic epidemics and recent epidemics have become more apparent in urban localities. There is lack of documented evidence on the specific risk factors of leptospirosis infection among the urbanites, thereby impeding initiatives for prevention in urban settings. We aim to systematically search published articles and synthesise evidence on the risk factors associated with leptospirosis infection among the susceptible populations in urban localities, particularly to identify the risk factors of non-recreational leptospirosis infection.Methods and analysisWe will conduct a systematic review of observational studies that investigated environmental risk factors of leptospirosis in urban localities. The search will be performed for any eligible articles from selected electronic databases from 1970 until May 2018. The study will include any studies that investigated risk factors of confirmed leptospirosis cases who acquired the infection in urban locality, particularly exposures from the non-recreational and non-water-related activities. Study selection and reporting will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and Meta-Analysis of Observational Studies in Epidemiology guideline. All data will be extracted using a standardised data extraction form and quality of the studies will be assessed using the Newcastle-Ottawa Scale guideline. Descriptive and meta-analysis will be performed by calculating the standardised median ORs and risk ratios for types of the non-recreational risk factors stratified by social, living conditions and environmental exposures, types of reservoirs and transmissions and types of activities and employments associated with leptospirosis infection in urban locality.Ethics and disseminationNo primary data will be collected thus no formal ethical approval is required. The results will be disseminated though a peer-reviewed publication and conference presentation.PROSPERO registration numberCRD42018090820.

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Outcomes of Medication Misadventure Among People With Cognitive Impairment or Dementia: A Systematic Review and Meta-analysis

Annals of Pharmacotherapy ◽

10.1177/1060028020949125 ◽

2020 ◽

pp. 106002802094912

Author(s):

Anum Saqib Zaidi ◽

Gregory M. Peterson ◽

Luke R.E. Bereznicki ◽

Colin M. Curtain ◽

Mohammed Salahudeen

Keyword(s):

Systematic Review ◽

Cognitive Impairment ◽

Adverse Drug Events ◽

Data Extraction ◽

Meta Analysis ◽

Published Data ◽

Potentially Inappropriate Medications ◽

Cochrane Central Register ◽

Increased Risk ◽

Meta Analyses

Objective: To investigate mortality and hospitalization outcomes associated with medication misadventure (including medication errors [MEs], such as the use of potentially inappropriate medications [PIMs], and adverse drug events [ADEs]) among people with cognitive impairment or dementia. Data Sources: Ovid MEDLINE, Ovid EMBASE, Ovid International Pharmaceutical Abstracts, Cumulative Index to Nursing and Allied Health Literature, and Cochrane Central Register of Controlled Trials were searched from inception to December 2019. Study Selection and Data Extraction: Relevant studies using any study design were included. Reviewers independently performed critical appraisal and extracted relevant data. Data Synthesis: The systematic review included 10 studies that reported the outcomes of mortality or hospitalization associated with medication misadventure, including PIMs (n=5), ADEs (n=2), a combination of MEs and ADEs (n=2), and drug interactions (n=1). Five studies examining the association between PIMs and mortality/hospitalization were included in the meta-analyses. Exposure to PIMs was not associated with either mortality (odds ratio [OR]=1.36; 95%CI=0.79-2.35) or hospitalization (OR=1.02; 95%CI=0.83-1.26). In contrast, single studies indicated that ADEs with cholinesterase inhibitors were associated with mortality and hospitalization. Relevance to Patient Care and Clinical Practice: Individuals with cognitive impairment or dementia are at increased risk of medication misadventure; based on relatively limited published data, this does not necessarily translate to increased mortality and hospitalization. Conclusions: Overall, medication misadventure was not associated with mortality or hospitalization in people with cognitive impairment or dementia, noting the limited number of studies, difficulty in controlling potential confounding variables, and that most studies focus on PIMs.

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Prenatal maternal stress and risk of neurodevelopmental disorders in the offspring: A systematic review and meta-analysis protocol

HRB Open Research ◽

10.12688/hrbopenres.12827.1 ◽

2018 ◽

Vol 1 ◽

pp. 15

Author(s):

Nicla Manzari ◽

Karen Matvienko-Sikar ◽

Franco Baldoni ◽

Gerard W. O'Keeffe ◽

Ali S. Khashan

Keyword(s):

Systematic Review ◽

Maternal Stress ◽

Data Extraction ◽

Meta Analysis ◽

Autism Spectrum ◽

Prenatal Maternal Stress ◽

Cross Sectional ◽

Increased Risk ◽

Meta Analyses ◽

The Impact

Background: Prenatal maternal stress (PNMS) is defined as the experience of significant levels of prenatal stress, depression or anxiety during pregnancy. PNMS has been associated with increased risk of autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD) in exposed offspring. However, these findings are inconsistent and other studies found no association, meaning a clear consensus on the impact of PNMS on ASD and ADHD risk is required. The purpose of this systematic review and meta-analysis is to summarize and critically review the existing literature on the effects of PNMS on ASD and ADHD risk. Methods: Electronic databases (PubMed, PsycINFO, Web of Science, Scopus and EMBASE) will be searched for articles following a detailed search strategy. We will include cohort, case-control and cross-sectional studies that assessed maternal exposure to psychological and/or environmental stress and had ASD or ADHD as an outcome. Two reviewers will independently screen the titles, abstracts and full articles to identify eligible studies. We will use a standardised data extraction form for extracting data and a bias classification tool for assessing study quality. This systematic review will be reported according to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA). The generic inverse variance method will be used if possible to perform meta-analyses. Ethics and dissemination: Ethical approval is not required for this study because it will not involve the conduct or inclusion of any experimental or personal data that would require informed consent. The systematic review will be disseminated in peer-reviewed journals. PROSPERO registration number: CRD42018084222.

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Dynamics of sputum conversion during effective tuberculosis treatment: A systematic review and meta-analysis

PLoS Medicine ◽

10.1371/journal.pmed.1003566 ◽

2021 ◽

Vol 18 (4) ◽

pp. e1003566

Author(s):

Claire J. Calderwood ◽

James P. Wilson ◽

Katherine L. Fielding ◽

Rebecca C. Harris ◽

Aaron S. Karat ◽

...

Keyword(s):

Systematic Review ◽

Data Extraction ◽

Meta Analysis ◽

World Health ◽

Significant Heterogeneity ◽

Tb Treatment ◽

Health Organization ◽

Reported Data ◽

Meta Analyses ◽

Culture Conversion

Background Two weeks’ isolation is widely recommended for people commencing treatment for pulmonary tuberculosis (TB). The evidence that this corresponds to clearance of potentially infectious tuberculous mycobacteria in sputum is not well established. This World Health Organization–commissioned review investigated sputum sterilisation dynamics during TB treatment. Methods and findings For the main analysis, 2 systematic literature searches of OvidSP MEDLINE, Embase, and Global Health, and EBSCO CINAHL Plus were conducted to identify studies with data on TB infectiousness (all studies to search date, 1 December 2017) and all randomised controlled trials (RCTs) for drug-susceptible TB (from 1 January 1990 to search date, 20 February 2018). Included articles reported on patients receiving effective treatment for culture-confirmed drug-susceptible pulmonary TB. The outcome of interest was sputum bacteriological conversion: the proportion of patients having converted by a defined time point or a summary measure of time to conversion, assessed by smear or culture. Any study design where more than 10 participants were included was considered. Record sifting and data extraction were performed in duplicate. Random effects meta-analyses were performed. A narrative summary additionally describes the results of a systematic search for data evaluating infectiousness from humans to experimental animals (PubMed, all studies to 27 March 2018). Other evidence on duration of infectiousness—including studies reporting on cough dynamics, human tuberculin skin test conversion, or early bactericidal activity of TB treatments—was outside the scope of this review. The literature search was repeated on 22 November 2020, at the request of the editors, to identify studies published after the previous censor date. Four small studies reporting 3 different outcome measures were identified, which included no data that would alter the findings of the review; they are not included in the meta-analyses. Of 5,290 identified records, 44 were included. Twenty-seven (61%) were RCTs and 17 (39%) were cohort studies. Thirteen studies (30%) reported data from Africa, 12 (27%) from Asia, 6 (14%) from South America, 5 (11%) from North America, and 4 (9%) from Europe. Four studies reported data from multiple continents. Summary estimates suggested smear conversion in 9% of patients at 2 weeks (95% CI 3%–24%, 1 single study [N = 1]), and 82% of patients at 2 months of treatment (95% CI 78%–86%, N = 10). Among baseline smear-positive patients, solid culture conversion occurred by 2 weeks in 5% (95% CI 0%–14%, N = 2), increasing to 88% at 2 months (95% CI 84%–92%, N = 20). At equivalent time points, liquid culture conversion was achieved in 3% (95% CI 1%–16%, N = 1) and 59% (95% CI 47%–70%, N = 8). Significant heterogeneity was observed. Further interrogation of the data to explain this heterogeneity was limited by the lack of disaggregation of results, including by factors such as HIV status, baseline smear status, and the presence or absence of lung cavitation. Conclusions This systematic review found that most patients remained culture positive at 2 weeks of TB treatment, challenging the view that individuals are not infectious after this interval. Culture positivity is, however, only 1 component of infectiousness, with reduced cough frequency and aerosol generation after TB treatment initiation likely to also be important. Studies that integrate our findings with data on cough dynamics could provide a more complete perspective on potential transmission of Mycobacterium tuberculosis by individuals on treatment. Trial registration Systematic review registration: PROSPERO 85226.

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Prenatal maternal stress and risk of neurodevelopmental disorders in the offspring: A systematic review and meta-analysis protocol

HRB Open Research ◽

10.12688/hrbopenres.12827.2 ◽

2019 ◽

Vol 1 ◽

pp. 15 ◽

Cited By ~ 1

Author(s):

Nicla Manzari ◽

Karen Matvienko-Sikar ◽

Franco Baldoni ◽

Gerard W. O'Keeffe ◽

Ali S. Khashan

Keyword(s):

Systematic Review ◽

Maternal Stress ◽

Data Extraction ◽

Meta Analysis ◽

Autism Spectrum ◽

Prenatal Maternal Stress ◽

Case Control Studies ◽

Increased Risk ◽

Meta Analyses ◽

The Impact

Background: Prenatal maternal stress (PNMS) is defined as the experience of significant levels of prenatal stress, depression or anxiety during pregnancy. PNMS has been associated with increased risk of autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD) in exposed offspring. However, these findings are inconsistent and other studies found no association, meaning a clear consensus on the impact of PNMS on ASD and ADHD risk is required. The purpose of this systematic review and meta-analysis is to summarize and critically review the existing literature on the effects of PNMS on ASD and ADHD risk. Methods: Electronic databases (PubMed, PsycINFO, Web of Science, Scopus and EMBASE) will be searched for articles following a detailed search strategy. We will include cohort and case-control studies that assessed maternal exposure to psychological and/or environmental stress and had ASD or ADHD as an outcome. Two reviewers will independently screen the titles, abstracts and full articles to identify eligible studies. We will use a standardised data extraction form for extracting data and a bias classification tool for assessing study quality. This systematic review will be reported according to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA). The generic inverse variance method will be used if possible to perform meta-analyses. Ethics and dissemination: Ethical approval is not required for this study because it will not involve the conduct or inclusion of any experimental or personal data that would require informed consent. The systematic review will be disseminated in peer-reviewed journals. PROSPERO registration number: CRD42018084222.

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