Reduced artifacts and improved diagnostic value of 640-slice computed tomography in patients with cardiac pacemakers

Objective The aim of this study was to compare the feasibility of 640-slice with 64-slice computed tomography (CT) coronary angiography for diagnosing coronary lesions in patients with pacemakers. Methods Forty-five and 50 patients with pacemakers and with suspected or known coronary artery disease...

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Bibliographic Details
Published in:Journal of international medical research 2019-05, Vol.47 (5), p.1916-1926
Main Authors: Cao, Guoquan, Chen, Weijian, Pan, Kehua, Sun, Houchang, Wang, Zhen
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Cardiac arrhythmia
Cardiovascular disease
Clinical Research Reports
Electrocardiography
Electrodes
Female
Heart Rate
Humans
Male
Middle Aged
Pacemaker, Artificial
Stents
Tomography, X-Ray Computed
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Summary:Objective The aim of this study was to compare the feasibility of 640-slice with 64-slice computed tomography (CT) coronary angiography for diagnosing coronary lesions in patients with pacemakers. Methods Forty-five and 50 patients with pacemakers and with suspected or known coronary artery disease underwent 64-slice (64 group) and 640-slice (640 group) CT scans, respectively. All segments of the vessels were evaluated according to the 15-segment model recommended by the American Heart Association. Results The incidence of moderate or severe artifacts was significantly lower (7.27% vs. 32.17%) and the diagnosable rate for coronary lesions was higher (98.91% vs. 94.19%) in the 640 compared with the 64 group. In the 64 group, the incidence of artifacts in patients with a heart rate >65 bpm (20.98%) was higher than in those with a heart rate
ISSN:0300-0605
1473-2300
DOI:10.1177/0300060519825986