Evidence map›Paper›PMID 31435769›Full record

ArticleJournal of neurology2019

Major depression and small vessel stroke: a Mendelian randomization analysis.

Huan Cai, Biyang Cai, Hao Zhang, Wen Sun, Yingting Wang, Shuyu Zhou, Zusen Ye, Zhizhong Zhang, Jialin Liang

Abstract read
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In one paragraph

Article in Journal of neurology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 3 pooled it
2.6field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 3 syntheses or guidelines pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  16. Genetics of common cerebral small vessel disease.Nature reviews. Neurology · 2022
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 6 institutions in 1 country.

Huan CaiDepartment of Neurology, Zhongshan City People's Hospital, 2 East Sunwen Road, Zhongshan, 528403, Guangdong, China. ch.neurol@gmail.com.ORCID http://orcid.org/0000-0002-1341-5104
Biyang CaiDepartment of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China.
Hao ZhangDepartment of Neurology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, Zhejiang, China.
Wen SunDivision of Life Sciences and Medicine, Stroke Center and Department of Neurology, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, 230026, Anhui, China.
Yingting WangDepartment of Geriatric Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China.
Shuyu ZhouDepartment of Neurology, Jiangning Hospital Affiliated of Nanjing Medical University, Nanjing, 210002, Jiangsu, China.
Zusen YeDepartment of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
Zhizhong ZhangDepartment of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China.
Jialin LiangDepartment of Endocrinology and Metabolism, Zhongshan City People's Hospital, 2 East Sunwen Road, Zhongshan, 528403, Guangdong, China. jialin_endo@163.com.
Nanjing General Hospital of Nanjing Military Command · CNZhongshan People's Hospital · CNHangzhou First People's Hospital · CNNanjing Medical University · CNUniversity of Science and Technology of China · CNWenzhou Medical University · CN

Funding

Social Welfare Science and Technology Research Project of Zhongshan City 2018B1065
6 · The paper itself

Abstract

background and purposeAlthough observational studies have reported a positive association between depression and ischemic stroke, causality remains inconclusive. We aimed to assess the causal relationship of major depressive disorder (MDD) with ischemic stroke, especially with the small vessel stroke (SVS) subtype.

methodsWe used 72 independent single-nucleotide polymorphisms associated with MDD in a genome-wide association study (GWAS) from the Psychiatric Genetics Consortium as instrumental variables. The corresponding data for ischemic stroke and its subtypes of European ancestry were available from the MEGASTROKE consortium of 34,217 ischemic stroke cases and 406,111 controls. Primary Mendelian randomization estimates were calculated with inverse-variance weighted method, and several alternate methods and multiple sensitivity analyses were also performed.

resultsWe found that genetic predisposition to higher risk of MDD was associated with higher risk of SVS, with an odds ratio of 1.33 (95% confidence interval, 1.08-1.65; p = 0.009) per log-odds increment in MDD risk, but not with large artery stroke (OR, 1.08; 95% CI 0.83-1.41; p = 0.559), cardioembolic stroke (OR, 0.98; 95% CI 0.80-1.20; p = 0.833), or all ischemic stroke (OR, 1.03; 95% CI 0.92-1.15; p = 0.633). The association of MDD with SVS was overall robust to sensitivity analyses.

conclusionsWe provided evidence for a possible causal effect of MDD on increased risk of SVS. Future researches are required to investigate whether rational intervention on depression may help to reduce societal burden of SVS.

Indexed as

FemaleGenetic Predisposition to DiseaseHumansMajor Depressive DisorderMaleMendelian Randomization AnalysisMiddle AgedStrokeIschemic strokeMajor depressionMendelian randomizationSingle-nucleotide polymorphismSmall vessel stroke

Identifiers

PMID31435769
OpenAlexW2969832424

What OpenQuestion holds

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Read underepoch 390

Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.