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Updated: May 10, 2025

Biventricular Assessment of Cardiac Function and Pressure-Volume Loops by Closed-Chest Catheterization in Mice
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The power of the left atrioventricular coupling index in cardiovascular disease

Xu Liu1, Jing Wang2, Yan Tong1

  • 1Department of Cardiology, The Second Affiliated Hospital of Shenyang Medical College, Shengyang, Liaoning, China.

Frontiers in Cardiovascular Medicine
|April 25, 2025
PubMed

Insights

The novel left atrioventricular coupling index (LACI) offers new prognostic insights for cardiovascular diseases by assessing atrial and ventricular dynamics. This biomarker aids in risk stratification and personalized therapy for conditions like heart failure and hypertension.

Area of Science:

  • Cardiovascular Medicine
  • Biomarker Research
  • Cardiac Physiology

Background:

  • Traditional cardiac function assessments have limitations.
  • The left atrioventricular coupling index (LACI) addresses these gaps.
  • LACI quantifies the ratio of left atrial to left ventricular end-diastolic volumes.

Purpose of the Study:

  • To review advancements in LACI research.
  • To elucidate LACI's pathophysiological mechanisms.
  • To explore LACI's clinical applications in cardiovascular medicine.

Main Methods:

  • Literature review of recent LACI studies.
  • Analysis of LACI's role in integrating atrial and ventricular dynamics.
  • Synthesis of evidence on LACI's prognostic capabilities.

Main Results:

  • LACI provides prognostic insights into cardiovascular diseases.
  • It integrates atrial and ventricular dynamics for a comprehensive cardiac view.
  • LACI demonstrates potential in hypertension, cardiomyopathies, atrial fibrillation, heart failure, and myocardial infarction.

Conclusions:

  • LACI is a transformative biomarker in cardiovascular research.
  • It offers expanded clinical applications for risk stratification and precision diagnostics.
  • LACI supports personalized therapy in cardiovascular medicine.

Keywords:
atrial fibrillationcardiac function assessmentcardiac imagingcardiovascular disease prognosisheart failure predictionleft atrioventricular coupling index

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