Evidence map›Paper›PMID 40912694›Full record

ArticleBMJ open gastroenterology2025

Upper gastrointestinal symptoms and Gulf War Illness in a clinical cohort of US veterans: a retrospective, cross-sectional study.

Abdelrahman Yousef, Sarah T Ahmed, Theresa H Nguyen Wenker, Alice B S Nono-Djotsa, Stephen H Boyle, Elizabeth J Gifford, Deeksha Malhotra, Helena Chandler, Sandhya Bandi, Drew A Helmer

Abstract read
In one paragraph

Article in BMJ open gastroenterology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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

1 citing paper in PubMed.

  1. Article
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

10 authors.

Abdelrahman YousefGastrointestinal Medical Oncology Department, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA drew.helmer@va.gov abyousef@salud.unm.edu.ORCID http://orcid.org/0000-0001-7761-8149
Sarah T AhmedCenter for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey VA Medical Center, Houston, TX, USA.
Theresa H Nguyen WenkerCenter for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey VA Medical Center, Houston, TX, USA.
Alice B S Nono-DjotsaCenter for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey VA Medical Center, Houston, TX, USA.
Stephen H BoyleCooperative Studies Program Epidemiology Center-Durham, Durham VA Medical Center, Durham VA Health Care System, Durham, NC, USA.
Elizabeth J GiffordCooperative Studies Program Epidemiology Center-Durham, Durham VA Medical Center, Durham VA Health Care System, Durham, NC, USA.
Deeksha MalhotraCooperative Studies Program Epidemiology Center-Durham, Durham VA Medical Center, Durham VA Health Care System, Durham, NC, USA.
Helena ChandlerWar Related Illness and Injury Study Center, VA New Jersey Healthcare System, East Orange, NJ, USA.
Sandhya BandiWar Related Illness and Injury Study Center, VA New Jersey Healthcare System, East Orange, NJ, USA.
Drew A HelmerCenter for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey VA Medical Center, Houston, TX, USA drew.helmer@va.gov abyousef@salud.unm.edu.

Funding

Science CoreP2CHD065563 · NICHD · DUKE UNIVERSITY · PI James Moody · 2015 to 2026
$5.7M
NICHD NIH HHS P2C HD065563
6 · The paper itself

Abstract

objectiveApproximately 30% of the 700 000 US Gulf War Veterans (GWVs) report symptoms collectively termed Gulf War Illness (GWI), a multisymptom illness of uncertain pathophysiology. Prior studies in GWI focus on overlap with irritable bowel syndrome. This study examines the associations between upper gastrointestinal (UGI) symptoms, GWI and specialty GI care.

methodsThis cross-sectional study analysed GWVs referred to a Veterans Health Administration clinical War-Related Illness and Injury Study Center (2008-2020). Symptoms, demographics, military service and clinical history were obtained from self-reported intake packets. GWI was defined by the Centers for Disease Control and Prevention criteria requiring moderate-to-severe symptoms in at least two of three domains: fatigue, musculoskeletal and mood cognition. UGI symptoms were analysed individually as a composite variable and additively (0-5). Logistic regression models estimated ORs for associations between UGI symptoms, GWI and GI specialty care.

resultsThe cohort included 596 GWVs (mean age 49.3 years, 88% men). Most (93.5%) reported at least one UGI symptom, with a mean of 2.8 symptoms. GWI was identified in 413 (69%). Veterans with GWI were more likely to report UGI symptoms (98.3% vs 82.5%) and had a higher mean symptom count (3.1 vs 2.1). Adjusted ORs for UGI symptoms in GWI ranged from 1.79 (dysphagia) to 3.57 (nausea/vomiting).

conclusionUGI symptoms are common among GWVs and strongly associated with GWI. Clinicians should screen for UGI symptoms and follow standard protocols for treatment and referral.

Indexed as

Gastrointestinal DiseasesPersian Gulf SyndromeVeteransAdultCross-Sectional StudiesFatigueFemaleGulf WarHumansMaleMiddle AgedRetrospective StudiesUnited StatesABDOMINAL PAINDUODENAL ULCERDYSPHAGIAOESOPHAGEAL REFLUX

Identifiers

PMID40912694
PMCPMC12414160

What OpenQuestion holds

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LicenceCC BY-NC
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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.