Related Experiment Video

Updated: Sep 17, 2025

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting
03:40

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting

Published on: January 17, 2025

442

Update on left ventricular outflow tract obstruction

Jae-Kwan Song1, Byung Joo Sun2, Dae-Hee Kim2

  • 1Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. jksong@amc.seoul.kr.

Journal of Cardiovascular Imaging
|July 2, 2025
PubMed

Insights

Left ventricular outflow tract obstruction diagnosis has advanced significantly over 70 years. Echocardiography now plays a key role in detecting and assessing this condition, which is becoming more common in the aging population.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Left ventricular outflow tract obstruction (LVOTO) diagnosis historically relied on invasive cardiac catheterization.
  • Understanding of LVOTO has evolved over nearly 70 years.

Purpose of the Study:

  • To review the historical progression of LVOTO diagnosis and management.
  • To highlight the impact of echocardiography on LVOTO assessment.
  • To discuss the increasing prevalence of LVOTO in an aging population.

Main Methods:

  • Literature review tracing the evolution of LVOTO diagnosis and management.
  • Focus on the historical development and application of echocardiography in LVOTO.

Main Results:

  • Echocardiography has become pivotal in detecting LVOTO.
  • Echocardiography provides crucial hemodynamic assessment for LVOTO.
  • Echocardiography has redefined the clinical relevance of LVOTO.

Conclusions:

  • The diagnosis and management of LVOTO have been substantially transformed.
  • Echocardiography is central to modern LVOTO evaluation.
  • Anticipated increase in LVOTO prevalence necessitates continued advancements in detection and management.

Keywords:
EchocardiographyHypertrophic cardiomyopathyLeft ventricular outflow tract obstruction

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