Evidence map›Paper›PMID 42346885›Full record

ArticleJournal of imaging2026

Determinants of Impaired Left Atrial Hemodynamics in Paroxysmal Atrial Fibrillation: A 4D Flow MRI Study.

Hadi Hassan, Omar Hassan, Shuvam Prasai, Fiza Rajput, Julio Garcia

Abstract read
In one paragraph

Article in Journal of imaging, 2026. 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

5 authors.

Hadi HassanUndergraduate Medical Education, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.ORCID 0000-0003-2467-9778
Omar HassanFaculty of Science, University of Calgary, Calgary, AB T2N 1N4, Canada.ORCID 0009-0000-9732-5917
Shuvam PrasaiUndergraduate Medical Education, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.
Fiza RajputFaculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 2E1, Canada.ORCID 0009-0008-5041-1760
Julio GarciaDepartment of Radiology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.ORCID 0000-0001-9528-8155

Funding

Mach-Gaensslen Foundation N/ANatural Sciences and Engineering Research Council of Canada DGECR-2020-00204Natural Sciences and Engineering Research Council of Canada RGPIN-2020-04549NSERC Alliance-Alberta Innovates Advance Program 232403115University of Calgary 11021988University of Calgary 11022618
6 · The paper itself

Abstract

Left atrial (LA) blood flow stasis is a major contributor to thromboembolic risk in atrial fibrillation (AF) and can be measured non-invasively using four-dimensional (4D) flow magnetic resonance imaging (MRI), yet factors driving impaired LA hemodynamics in paroxysmal AF remain unclear. In this retrospective study, 107 patients with paroxysmal AF undergoing pre-ablation cardiac MRI were evaluated. LA blood flow stasis was quantified as the proportion of LA voxels with velocity < 0.1 m/s on 4D flow MRI. Multivariable linear regression assessed associations between LA stasis and demographic, cardiac structural and functional, and clinical variables in a complete-case cohort of 88 patients. Mean LA blood flow stasis was 44 ± 13%. After adjustment, higher left atrial volume index, higher hematocrit, and female sex were independently associated with greater LA stasis, while higher left ventricular ejection fraction, higher resting heart rate, and higher body mass index were associated with lower stasis (all

Indexed as

4D flow MRIatrial fibrillationBMIcardiac MRIhematocrithemodynamicsimaging biomarkersleft atriumstasisstroke risk

Identifiers

PMID42346885
PMCPMC13301794

What Socratic 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 Socratic graph.