12May 2023
Atrial Dysfunction in Significant Atrial Functional Mitral Regurgitation: Phenotypes and Prognostic Implications

Atrial Dysfunction in Significant Atrial Functional Mitral Regurgitation: Phenotypes and Prognostic Implications

Atrial functional mitral regurgitation (AFMR) is a condition associated with increased health risks. The impact of left atrial (LA) size and function on AFMR outcomes is not well understood. Researchers aimed to evaluate LA function using reservoir strain (LASr) and estimated reservoir work (LAWr) and their effects on AFMR prognosis. They studied 515 AFMR patients over a follow-up period of 5 years. The study found that low LASr and LAWr were associated with a higher risk of death and heart failure hospitalization. This suggests that LA reservoir function, rather than LA size, is a robust predictor of outcome in significant AFMR and provides insights into the interplay of functional versus geometric LA changes in AFMR.

  • #cardiology

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