Evidence map›Paper›PMID 30115220›Full record

ArticleJournal of the American College of Cardiology2018

Myocardial Fibrosis in Patients With Primary Mitral Regurgitation With and Without Prolapse.

Danai Kitkungvan, Faisal Nabi, Raymond J Kim, Robert O Bonow, Mohammad A Khan, Jiaqiong Xu, Stephen H Little, Miguel A Quinones, Gerald M Lawrie, William A Zoghbi and 1 more

Open access · hybridAbstract readComparative Study
PubMed Publisher
In one paragraph

Article in Journal of the American College of Cardiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 128 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
128citing papers in PubMed, 4 pooled it
15.9field-weighted citation impact, top 1% 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

128 citing papers in PubMed, 4 syntheses or guidelines pooled it, 247 citations in OpenAlex.

  1. Pooled it
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  5. Regional strain patterns in patients with mitral valve prolapse.Clinical research in cardiology : official journal of the German Cardiac Society · 2026
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  8. Ventricular arrhythmia inducibility predicts clinical events in mitral valve prolapse syndrome.Clinical research in cardiology : official journal of the German Cardiac Society · 2026
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  15. TClinical research in cardiology : official journal of the German Cardiac Society · 2026
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68 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors at 3 institutions in 1 country.

Danai KitkungvanHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas; Division of Cardiovascular Medicine, McGovern Medical School, University of Texas Health and Science Center at Houston, Houston, Texas.
Faisal NabiHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
Raymond J KimDuke Cardiovascular Magnetic Resonance Center, Departments of Medicine and Radiology, Duke University Medical Center, Durham, North Carolina.
Robert O BonowDivision of Cardiology, Northwestern Memorial Hospital and Northwestern University Feinberg School of Medicine, Chicago, Illinois.
Mohammad A KhanHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
Jiaqiong XuHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
Stephen H LittleHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
Miguel A QuinonesHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
Gerald M LawrieHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
William A ZoghbiHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas.
Dipan J ShahHouston Methodist DeBakey Heart & Vascular Center, Houston, Texas. Electronic address: djshah@houstonmethodist.org.
Houston Methodist · USDuke Medical Center · USNorthwestern University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRecent studies reported left ventricular (LV) fibrosis in patients with primary mitral regurgitation (MR) thought to be principally due to mitral valve prolapse (MVP).

objectivesThis study sought to evaluate the prevalence, characteristics, and prognostic implications of LV fibrosis in a large cohort of primary MR patients with and without MVP using cardiovascular magnetic resonance (CMR).

methodsPatients referred for contrast CMR assessment of chronic primary MR were enrolled and underwent comprehensive assessment of cardiac remodeling, severity of MR, and LV replacement fibrosis. Primary MR patients were stratified into: an MVP group if there was >2 mm mitral leaflet displacement on cine-CMR, or a non-MVP group. Patients were followed for arrhythmic events (sudden cardiac death, aborted sudden cardiac arrest, and sustained or inducible ventricular arrhythmia).

resultsA total of 356 primary MR patients (177 MVP and 179 non-MVP) were enrolled. LV fibrosis was more prevalent in the MVP group than the non-MVP group (36.7% vs. 6.7%; p < 0.001). The presence of MVP had the strongest association (odds ratio: 6.82; p < 0.001) with LV fibrosis even after adjustment for clinical variables, measures of cardiac remodeling, and MR severity. During follow-up (median 1,354 days), MVP patients with LV fibrosis had the highest event rate for arrhythmic events.

conclusionsIn primary MR patients, LV fibrosis is more prevalent in MVP than non-MVP, suggesting a unique pathophysiology beyond volume overload in MVP. LV fibrosis in primary MR may represent a risk marker of arrhythmic events.

Indexed as

AgedAged, 80 and overCohort StudiesFemaleFibrosisFollow-Up StudiesHumansMaleMiddle AgedMitral Valve InsufficiencyMitral Valve ProlapseProspective StudiesVentricular Dysfunction, Leftcardiac magnetic resonancemitral valve prolapsemyocardial fibrosisprimary mitral regurgitation

Identifiers

PMID30115220
OpenAlexW2885045328

What OpenQuestion holds

Textmetadata
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.