Evidence map›Paper›PMID 31370812›Full record

Observational studyBMC neurology2019

Risk factors outperform intracranial large artery stenosis predicting unfavorable outcomes in patients with stroke.

K C Chang, I C Chuang, Y C Huang, C Y Wu, W C Lin, Y L Kuo, T H Lee, S J Ryu

Open access · goldAbstract readObservational Study
In one paragraph

Observational study in BMC neurology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 29% 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

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 3 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Risk Factors Control and Early Recurrent Cerebral Infarction in Patients with Symptomatic Intracranial Atherosclerotic Disease.Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association · 2021
    Observational
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

8 authors at 4 institutions in 1 country.

K C ChangDivision of Cerebrovascular Diseases, Department of Neurology, Chang Gung Memorial Hospital, Linkou, Taiwan.
I C ChuangDepartment of Occupational Therapy and Graduate Institute of Behavioral Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
Y C HuangDivision of Cerebrovascular Diseases, Department of Neurology, Chang Gung Memorial Hospital, Linkou, Taiwan.
C Y WuDepartment of Occupational Therapy and Graduate Institute of Behavioral Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan. cywu@mail.cgu.edu.tw.ORCID http://orcid.org/0000-0003-4726-2916
W C LinDepartment of Radiology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
Y L KuoDepartment of Radiology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
T H LeeDivision of Cerebrovascular Diseases, Department of Neurology, Chang Gung Memorial Hospital, Linkou, Taiwan.
S J RyuDivision of Cerebrovascular Diseases, Department of Neurology, Chang Gung Memorial Hospital, Linkou, Taiwan.
Chang Gung University · TWKaohsiung Chang Gung Memorial Hospital · TWChang Gung University of Science and Technology · TWNational University of Tainan · TW

Funding

Chang Gung Memorial Hospital CMRPG850741Chang Gung Memorial Hospital CMRPG850742Chang Gung Memorial Hospital CMRPG850743Chang Gung Memorial Hospital, Linkou BMRP553Healthy Ageing Research Center at Chang Gung University EMRPD1G0241
6 · The paper itself

Abstract

backgroundThis study examined how intracranial large artery stenosis (ILAS), symptomatic and asymptomatic ILAS, and risk factors affect unfavorable outcome events after medical treatment in routine clinical practice.

methodsThis was a 24-month prospective observational study of consecutively recruited stroke patients. All participants underwent magnetic resonance angiography, and their clinical characteristics were assessed. Outcome events were vascular outcome, recurrent stroke, and death. Cox regression analyses were performed to identify potential factors associated with an unfavorable outcome, which included demographic and clinical characteristics, the risk factors, and stenosis status.

resultsThe analysis included 686 patients; among them, 371 were assessed as ILAS negative, 231 as symptomatic ILAS, and 84 as asymptomatic ILAS. Body mass index (p < .05), hypertension (p = .01), and old infarction (p = .047) were factors relating to vascular outcomes. Hypertension was the only factor for recurrent stroke (p = .035). Poor glomerular filtration rate (< 30 mL/min/1.73 m

conclusionsThis study extended previous results from clinical trials to a community-based cohort study by concurrently looking at the presence/absence of stenosis and a symptomatic/asymptomatic stenotic artery. Substantiated risk factors rather than the stenosis status were predominant determinants of adverse outcome. Although the degree of stenosis is often an indicator for treatment, we suggest risk factors, such as hypertension and renal dysfunction, should be monitored and intensively treated.

Indexed as

AgedArteriesBrainBrain IschemiaCohort StudiesConstriction, PathologicFemaleGlomerular Filtration RateHumansIntracranial Arterial DiseasesMagnetic Resonance AngiographyMaleMiddle AgedProspective StudiesRecurrenceRisk FactorsInfarctionIntracranial arterial stenosisMRIPrognosis

Identifiers

PMID31370812
PMCPMC6670158
OpenAlexW2965407238

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.