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Left atrial function in young strength athletes: four-dimensional automatic quantitation study.

Mengmeng Liu1, Mengjiao Sun1, Lijin Li1

  • 1Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China.

The International Journal of Cardiovascular Imaging
|March 7, 2022
PubMed
Summary
This summary is machine-generated.

Young strength athletes show altered left atrial (LA) function, with decreased LA strain and increased LA volume detected by four-dimensional automatic quantitation (4D LAQ). LA contraction longitudinal strain (LASct) is the best predictor of these changes.

Keywords:
AthleteFour-dimensional automatic quantitationLeft atrial functionStrain

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Area of Science:

  • Cardiovascular Medicine
  • Sports Cardiology
  • Diagnostic Imaging

Background:

  • Athlete heart health is a concern, with left atrial (LA) size and function changes linked to arrhythmias.
  • Early detection of cardiac alterations in young athletes is crucial for preventing potential heart disease.

Purpose of the Study:

  • To investigate left atrial (LA) function changes in young strength athletes using four-dimensional automatic quantitation (4D LAQ).
  • To evaluate the diagnostic value of LA strain parameters for assessing LA function in athletes.

Main Methods:

  • Utilized 4D LAQ for automatic analysis of LA volumes and strains in 80 young strength athletes and 60 controls.
  • Employed receiver operating characteristic (ROC) curves to determine the diagnostic efficacy of LA strain.
  • Conducted Pearson correlation analysis to link conventional echocardiographic indexes with 4D LA parameters.

Main Results:

  • Athletes exhibited reduced LA longitudinal and circumferential strain and increased LA volume compared to controls (P < 0.05).
  • No significant difference in LA strain was observed between male and female athletes, though males had higher LA volume than female controls (P < 0.05).
  • LA contraction longitudinal strain (LASct) emerged as the most effective index for evaluating athlete LA function via ROC analysis.

Conclusions:

  • 4D LAQ enables early detection of LA function changes in young strength athletes.
  • LASct is a highly effective parameter for assessing LA function in this population.
  • No significant sex-based differences in LA strain were found among athletes.