1999
DOI: 10.1002/clc.4960221010
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Use of QT dispersion measured on treadmill exercise electrocardiograms for detecting restenosis after percutaneous transluminal coronary angioplasty

Abstract: Background: Treadmill exercise electrocardiography (ECG) has been used to detect restenosis in patients following percutaneous transluminal coronary angioplasty (PTCA). However, the level of sensitivity achieved using conventional criteria of ST-segment depression is too low to be clinically useful in this population.Hypothesis: QT dispersion is a sensitive method for detecting myocardial ischemia and may improve the accuracy of treadmill exercise ECG testing for detecting restenosis after PTCA.Methods: We eva… Show more

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Cited by 13 publications
(7 citation statements)
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“…It is interesting that the values of QT dispersion reported in that study were similar to those observed in our study. Similar results were also reported by Koide et al [15] who analyzed exercise-induced QT dispersion changes in patients after PTCA of isolated stenosis in LAD, LCX or RCA, showing increased values of QT dispersion in patients with restenosis than without.…”
Section: Discussionsupporting
confidence: 77%
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“…It is interesting that the values of QT dispersion reported in that study were similar to those observed in our study. Similar results were also reported by Koide et al [15] who analyzed exercise-induced QT dispersion changes in patients after PTCA of isolated stenosis in LAD, LCX or RCA, showing increased values of QT dispersion in patients with restenosis than without.…”
Section: Discussionsupporting
confidence: 77%
“…Some authors have indicated that QT interval dispersion immediately after exercise may also be a useful indicator for detecting restenosis after PTCA, especially in patients without exercise-induced angina or ST-segment depression [14, 15]. Aytemir et al [14] in his study of patients with isolated LAD stenosis, however without previous myocardial infarction, showed higher values of exercise-induced QT dispersion in patients with restenosis than without restenosis.…”
Section: Discussionmentioning
confidence: 99%
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