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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Indexed left atrial size predicts all-cause and cardiovascular mortality in patients undergoing aortic valve surgery

Victor X Mosquera1, Alberto Bouzas-Mosquera2, Miguel González-Barbeito1

  • 1Department of Cardiac Surgery, Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain.

The Journal of Thoracic and Cardiovascular Surgery
|March 15, 2017
PubMed

Insights

Enlarged left atrial diameter predicts poor outcomes in patients after aortic valve surgery. This measurement is a strong indicator of mortality and stroke risk, guiding clinical decisions.

Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Surgery

Background:

  • Left atrial enlargement is linked to increased left ventricular filling pressure and diastolic dysfunction.
  • It serves as a critical marker for adverse cardiovascular events.

Purpose of the Study:

  • To assess the association between indexed left atrial diameter and stroke, cardiovascular mortality, and all-cause mortality.
  • To evaluate the predictive value of left atrial size in patients undergoing aortic valve surgery.

Main Methods:

  • Indexed left atrial diameter was measured in 2011 adult patients undergoing aortic valve surgery.
  • Outcomes including stroke, cardiovascular death, and all-cause mortality were tracked over a mean follow-up of 3.2 years.

Main Results:

  • A significant proportion of patients (36%) exhibited mild to severe left atrial enlargement.
  • Five-year cardiovascular mortality survival decreased significantly with increasing left atrial enlargement.
  • Indexed left atrial diameter independently predicted all-cause mortality, cardiovascular death, and combined adverse events.

Conclusions:

  • Indexed left atrial diameter is a robust predictor of long-term outcomes in patients with aortic valve disease undergoing surgery.
  • This echocardiographic parameter provides valuable prognostic information for surgical patients.
Abstract

Keywords:
aortic valve diseasesaortic valve surgeryechocardiographyindexed left atrial diameteroutcome

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