Electrocardiographic criteria for left ventricular hypertrophy in aortic valve stenosis: Correlation with

Karolina Bula1, Anna Ćmiel2, Monika Sejud2

  • 1First Department of Cardiology, School of Medicine in Katowice, Upper Silesian Medical Centre, Medical University of Silesia, Katowice, Poland.

Insights

Electrocardiogram (ECG) criteria for left ventricular hypertrophy (LVH) are not sensitive in detecting LVH in patients with aortic stenosis (AS). While present in 59% of patients, ECG findings weakly correlate with echocardiographic measures of AS severity.

Area of Science:

  • Cardiology
  • Medical Diagnostics

Background:

  • Aortic stenosis (AS) causes chronic pressure overload, leading to left ventricular hypertrophy (LVH).
  • Assessing LVH in AS patients is crucial for understanding disease progression and management.

Purpose of the Study:

  • To determine the prevalence of electrocardiographic (ECG) criteria for LVH in patients with significant AS.
  • To evaluate the correlation between ECG-detected LVH and echocardiographic parameters in these patients.

Main Methods:

  • Retrospective analysis of clinical data from 95 patients with moderate to severe AS.
  • Comparison of eight ECG criteria for LVH against transthoracic echocardiography (TTE) results.

Main Results:

  • At least one ECG criterion for LVH was identified in 59% of patients.
  • ECG-positive patients showed significantly higher LVMI and peak aortic jet velocity, and smaller aortic valve area.
  • ECG criteria exhibited low sensitivity (6%-36.9%) but high specificity (up to 100%), with Cornell Voltage criteria showing the best sensitivity and correlation with LVMI.

Conclusions:

  • Electrocardiographic criteria for LVH have poor sensitivity in identifying TTE-confirmed LVH in moderate to severe AS.
  • ECG findings correlate weakly with TTE indices of LVH and AS severity markers.
Abstract

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