Effect of Direct Stent Implantation on QTc Dispersion

The aim of this study was to evaluate whether direct stenting is superior to conventional stent implantation technique with respect to QTc dispersion in prospectively selected patients with simple lesion morphology and class II stable angina undergoing elective coronary stenting. One hundred thirty-...

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Bibliographic Details
Published in:Angiology 2005-03, Vol.56 (2), p.143-149
Main Authors: Atmaca, Yusuf, Ozdol, Cagdas, Ertas, Fatih, Altın, Timucin, Gülec, Sadi, Oral, Dervis
Format: Article
Language:English
Subjects:
Adult
Aged
Angina Pectoris - mortality
Angina Pectoris - therapy
Angioplasty, Balloon, Coronary
Biological and medical sciences
Blood and lymphatic vessels
Bones, joints and connective tissue. Antiinflammatory agents
Cardiology. Vascular system
Cardiovascular system
Coronary Angiography
Coronary Disease - mortality
Coronary Disease - therapy
Coronary Stenosis - mortality
Coronary Stenosis - therapy
Diseases of the peripheral vessels. Diseases of the vena cava. Miscellaneous
Electrocardiography
Feasibility Studies
Female
Follow-Up Studies
Hospital Mortality
Humans
Long QT Syndrome - mortality
Long QT Syndrome - therapy
Male
Medical sciences
Middle Aged
Pharmacology. Drug treatments
Prospective Studies
Recurrence
Retreatment
Risk Factors
Stents
Survival Rate
Treatment Outcome
Vasodilator agents. Cerebral vasodilators
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Summary:The aim of this study was to evaluate whether direct stenting is superior to conventional stent implantation technique with respect to QTc dispersion in prospectively selected patients with simple lesion morphology and class II stable angina undergoing elective coronary stenting. One hundred thirty-four consecutive patients were divided into 2 groups based on the stenting technique used: the direct stenting without predilation group, group I (n=64), and the stenting with predilation group, group II (n=70). All patients had single-vessel disease. The primary end point of the study was the QTc dispersion at the 24th hour and at the first month after the procedure and the secondary end point of the study was the major clinical events (MCEs) rate in the hospital period and up to 1 month. Baseline maximum QTc, minimum QTc, and QTc dispersion were not different between the 2 groups. QTc dispersion decreased from 47 ±8 msec before stent implantation to 41 ±11 msec at 24 hours and 37 ±7 msec 1 month after angioplasty in group I (p
ISSN:0003-3197
1940-1574
DOI:10.1177/000331970505600204