Key result
QTc and JTc dispersions correlated significantly with the ratio of interventricular septal to left ventricular posterior wall thickness (p=0.0152 and p=0.0075, respectively).
Why the study?
Does the morphological distribution of left ventricular hypertrophy affect QT dispersion in patients with hypertrophic cardiomyopathy?
Observational (n=70)
No
Does the morphological distribution of left ventricular hypertrophy affect QT dispersion in patients with hypertrophic cardiomyopathy?
p-value: p=0.0152
QT dispersion in hypertrophic cardiomyopathy is influenced by the morphological inhomogeneity of the left ventricle, specifically the disproportion of wall hypertrophy.
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QT dispersion linked to asymmetric septal hypertrophy in HCM; hypothesis-generating for arrhythmia risk stratification.
Kenji Sakata (2003) conducted an observational in Hypertrophic cardiomyopathy (n=70). Disproportion of left ventricular wall hypertrophy vs. Different distributions of hypertrophy was evaluated on QT intervals and QT dispersion in precordial six lead ECGs (p=0.0152). QTc and JTc dispersions correlated significantly with the ratio of interventricular septal to left ventricular posterior wall thickness (p=0.0152 and p=0.0075, respectively).
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