Evidence map›Paper›PMID 34057085›Full record

ArticleJournal of Alzheimer's disease : JAD2021

Lung Function Impairment and the Risk of Incident Dementia: The Rotterdam Study.

Tian Xiao, Sara R A Wijnant, Silvan Licher, Natalie Terzikhan, Lies Lahousse, M Kamran Ikram, Guy G Brusselle, M Arfan Ikram

Open access · hybridAbstract read
In one paragraph

Article in Journal of Alzheimer's disease : JAD, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 2 pooled it
6.8field-weighted citation impact, top 2% 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

25 citing papers in PubMed, 2 syntheses or guidelines pooled it, 42 citations in OpenAlex.

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  15. Systemic determinants of brain health in ageing.Nature reviews. Neurology · 2024
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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

8 authors at 3 institutions in 2 countries.

Tian XiaoDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
Sara R A WijnantDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
Silvan LicherDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
Natalie TerzikhanDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
Lies LahousseDepartment of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium.
M Kamran IkramDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
Guy G BrusselleDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
M Arfan IkramDepartment of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
Erasmus MC · NLGhent University Hospital · BEGhent University · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe etiology of dementia may partly be underpinned by impaired lung function via systemic inflammation and hypoxia.

objectiveTo prospectively examine the association between chronic obstructive pulmonary disease (COPD) and subclinical impairments in lung function and the risk of dementia.

methodsIn the Rotterdam Study, we assessed the risk of incident dementia in participants with Preserved Ratio Impaired Spirometry (PRISm; FEV1/FVC≥0.7, FEV1 < 80% predicted) and in participants with COPD (FEV1/FVC < 0.7) compared to those with normal spirometry (controls; FEV1/FVC≥0.7, FEV1≥80% predicted). Hazard ratios (HRs) with 95% confidence intervals (CI) for dementia were adjusted for age, sex, education attainment, smoking status, systolic blood pressure, body mass index, triglycerides, comorbidities and Apolipoprotein E (APOE) genotype.

resultsOf 4,765 participants, 110 (2.3%) developed dementia after 3.3 years. Compared to controls, participants with PRISm, but not COPD, had an increased risk for all-type dementia (adjusted HRPRISm 2.70; 95% CI, 1.53-4.75; adjusted HRCOPD 1.03; 95% CI, 0.61-1.74). These findings were primarily driven by men and smokers. Similarly, participants with FVC% predicted values in the lowest quartile compared to those in the highest quartile were at increased risk of all-type dementia (adjusted HR 2.28; 95% CI, 1.31-3.98), as well as Alzheimer's disease (AD; adjusted HR 2.13; 95% CI, 1.13-4.02).

conclusionParticipants with PRISm or a low FVC% predicted lung function were at increased risk of dementia, compared to those with normal spirometry or a higher FVC% predicted, respectively. Further research is needed to elucidate whether this association is causal and how PRISm might contribute to dementia pathogenesis.

Indexed as

Alzheimer DiseasePulmonary Disease, Chronic ObstructiveSpirometryCausalityFemaleHumansHypoxiaInflammationLungMaleMiddle AgedNetherlandsRisk AssessmentRisk FactorsSex FactorsSmokingAlzheimer’s diseasechronic obstructive pulmonary diseasedementiaforced vital capacity (FVC)preserved ratio impaired spirometry

Identifiers

PMID34057085
PMCPMC8385522
OpenAlexW3164274071

What OpenQuestion holds

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LicenceCC BY-NC
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.