ISSN 1016-5169 | E-ISSN 1308-4488
Archives of the Turkish Society of Cardiology
QT Dispersion in Isolated Myocardial Bridges of Left Anterior Descending Coronary Artery [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2000; 28(3): 174-179

QT Dispersion in Isolated Myocardial Bridges of Left Anterior Descending Coronary Artery

Tural TERZİ1, Ahmet Duran DEMİR1, Hakan TIKIZ1, Mustafa Özcan SOYLU1, Uğur Kemal TEZCAN1, Şule KORKMAZ1

The aim of this study was to investigate the relation between the QT dispersion and localization and degree of systolic diameter narrowing in the left anterior descending artery caused by myocardial bridge (MB). Forty-nine patients with MB in the left anterior descending artery were enrolled in this study in whom coronary angiography had been performed with suspect of coronary artery disease in the period between ı 994-ı 998 at Türkey's Yüksek Ihtisas Hospital. Patients were classified according to the degree of systolic diameter narrowing caused by the segment w ith MB ( Group ı: control group, Group 2: patient with MB <50%, Group 3: patients with MB 50-69%, Group 4: patients with MB ~7 0%) and also according to the localization of MB, whether before or after the second diagonal branch (0 2) (Group A: MB before 0 2, Group B: MB after 0 2, Group C: control group). The QT parameters were measured from the res ting 12- lead electrocardiograms and the values were coınpared with each other. QT dispersion (QTd) and corrected QT di spersion (QTcd) of the group in which the systolic narrowing was equal to and\or greater than 70% (Group 4) were significantly higher than QTd and QTcd values of other three groups (pKeywords: Myocardial bridge, QT dispersion


How to cite this article
Tural TERZİ, Ahmet Duran DEMİR, Hakan TIKIZ, Mustafa Özcan SOYLU, Uğur Kemal TEZCAN, Şule KORKMAZ. QT Dispersion in Isolated Myocardial Bridges of Left Anterior Descending Coronary Artery. Turk Kardiyol Dern Ars. 2000; 28(3): 174-179
Manuscript Language: Turkish


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