Why the study?
Does single coronary artery disease increase QT dispersion at rest and during exercise compared to normal coronary arteries?
Population
172 patients, comprising 119 patients with single coronary artery disease without prior myocardial…
Comparison
Single-vessel coronary artery disease vs Patients with normal coronary arteries
Design
Cross-sectional
Authors
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QT dispersion may mark ischemia in single-vessel CAD independent of vessel or site; leaves open prognostic or therapeutic utility.
Does single coronary artery disease increase QT dispersion at rest and during exercise compared to normal coronary arteries?
Single-vessel coronary artery disease increases baseline and exercise-induced QT dispersion regardless of the specific artery involved or lesion localization, suggesting that the severity of localized ischemia rather than the extent of disease drives QT dispersion.
Tıkız et al. (2001) studied this question.
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