PulseExploreJournal ClubResearchersJournals
Instagram
HomeJournal ClubExplore
Synapse
⌘+K
Synapse
October 8, 2025Scientific ReportsOpen Access

The prognostic importance of left ventricular diastolic function in primary mitral regurgitation and its relation to structural changes by CMR

View Full Paper
Ask AI
Bookmark
Share

Why the study?

Patients with significant primary MR can develop LV diastolic dysfunction, but its structural correlates and prognostic significance needed further study.

Does left ventricular diastolic dysfunction predict adverse clinical outcomes in patients with primary mitral regurgitation?

Population

Patients with ≥ moderate primary MR with echocardiographic and CMR scans within a median of 5 days

Comparison

Diastolic dysfunction vs normal diastolic function

Design

Observational cohort study

Key result

A higher left ventricular diastolic dysfunction score was independently associated with an increased risk of cardiovascular death, heart failure hospitalization, or mitral valve surgery (HR 1.39).

Authors

HLHossam LababidiKEKinan Carlos El-TallawiDKDanai Kitkungvan

Discussion

Loading...

Member takes

Overview

May enhance risk stratification in primary mitral regurgitation; leaves open need for prospective validation before guiding decisions.

Study Design

Type

Observational (n=173)

Multicenter

No

Structured PICO

Does left ventricular diastolic dysfunction predict adverse clinical outcomes in patients with primary mitral regurgitation?

P
Population
173 patients with at least moderate primary mitral regurgitation, followed for a median of 70.4 months to assess the prognostic significance of left ventricular diastolic dysfunction.
E
Exposure
Echocardiographic assessment of left ventricular diastolic function (DF) score (0-3 based on TE-e', DT, and Ar-A duration) and CMR assessment of extracellular volume (ECV)
C
Comparator
Normal diastolic function (DF score = 0)
O
Outcome
Composite of first occurrence to a heart failure hospitalization, death from cardiovascular causes, or mitral valve surgery following the baseline CMR scancomposite

Main Result

Hazard Ratio: 1.39 (95% CI 1.14–1.69)

p-value: p=0.001

In patients with primary mitral regurgitation, echocardiographic assessment of left ventricular diastolic dysfunction provides incremental prognostic value for adverse clinical outcomes beyond clinical characteristics and MR severity.

Limitations

  • Single center study
  • Inclusion of patients with both echocardiographic and CMR imaging raises concerns for selection bias
  • Early onset of events indicates that the study sample had significant disease burden
  • Feasibility of Ar-A duration may be lower in labs that do not routinely acquire pulmonary vein signals

Cite This Study

Lababidi et al. (2025) conducted an observational in Primary mitral regurgitation (n=173). Left ventricular diastolic dysfunction score vs. Normal diastolic function was evaluated on Composite of first occurrence of heart failure hospitalization, cardiovascular death, or mitral valve surgery (HR 1.39, 95% CI 1.14-1.69, p=0.001). A higher left ventricular diastolic dysfunction score was independently associated with an increased risk of cardiovascular death, heart failure hospitalization, or mitral valve surgery (HR 1.39).

synapsesocial.com/papers/6a21e7f01b095894fc4e9130https://doi.org/10.1038/s41598-025-18965-0
View Full Paper
Ask AI
Bookmark
Share