ArticleAnnals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc2022
Electro- and echocardiographic features of left ventricle hypertrophy in patients with hypertrophic cardiomyopathy.
Article in Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Electro- and echocardiographic features of left ventricle hypertrophy in patients with hypertrophic cardiomyopathy.Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc · 2022Article
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7 authors at 1 institution in 1 country.
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Abstract
backgroundStandard 12-lead electrocardiogram (ECG), next to medical history and physical examination, is a basic screening tool for hypertrophic cardiomyopathy in General practice. There are many electrocardiographic criteria of left ventricular hypertrophy, but their accuracy is usually weak in patients with systemic hypertension or aortic stenosis. Sensitivity of these criteria in patients with HCM has not been well described.
aimTo assess the prevalence of electrocardiographic criteria for LVH in patients with HCM and their relationship with echocardiographic parameters. MATERIAL AND
methodsA total of 49 patients with HCM (mean age 53.2 ± 15.4 years; men/women: 31/18) were enrolled to study. Eight electrocardiographic criteria for LVH were evaluated and correlated with echocardiographic parameters.
resultsThe ECG features of LVH were found in 36 (73.5%) subjects. These patients had increased thickness of intraventricular septum (20.5 ± 4.7 vs. 17.3 ± 3.2 mm, p = .03), LVM (340.5 ± 104.8 vs. 264.0 ± 61.5 g; p = .02), and LVMI (178.9 ± 48.8 vs. 125.9 ± 22.5; p = .002). All of ECG criteria for LVH had low sensitivity (14.3%-40.8%) for LVH diagnosis confirmed by echocardiography. The most common positive criterion was Cornell Voltage (20 patients; 40.8%). A total of 41 (83.4%) patients had T-wave inversion in limb and/or precordial leads. LVMI correlated positively with R-wave amplitude in aVL (R = 0.34; p = .03), Gubner-Ungerleider voltage (R = 0.4; p = .009), and Cornell Voltage (R = 0.31; p = .04).
conclusionECG criteria for LVH are characterized by poor sensitivity in patients with HCM. Cornell Voltage and criteria based on limb leads correlate positively with LVMI.
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