ArticleExperimental and therapeutic medicine2015
Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients.
Article in Experimental and therapeutic medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Myocardial CT perfusion imaging for the detection of obstructive coronary artery disease: multisegment reconstruction does not improve diagnostic performance.European radiology experimental · 2022Trial
- Automatic tube potential selection with tube current modulation in coronary CT angiography: Can it achieve consistent image quality among various individuals?Experimental and therapeutic medicine · 2018Article
- Low radiation dose computed tomography coronary angiography: evaluation of the variations in coronary arteries.Surgical and radiologic anatomy : SRA · 2016Article
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5 authors.
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Abstract
The aim of the present study was to investigate the X-ray absorption dose and clinical applications of electrocardiogram (ECG)-gated automatic tube current modulation (ATCM) technology in prospective sequential computed tomography coronary angiography (CTCA) scans of overweight patients. A total of 40 patients with a body mass index of >24 were divided at random into groups A and B. Group A consisted of 20 patients, who were examined using ECG-ATCM scanning. For the patients in group A with heart rates <70 bpm, the scanning range was 20-80% of the R-R interval and the patients received full-dose X-rays for 60-80% of the R-R interval. For the group A patients with heart rates >70 bpm, the scanning range was 20-80% of the R-R interval and the patients received full-dose scanning for 35-55% of the R-R interval. For the 20 patients in group B, the scanning range was 20-80% of the R-R interval and patients received a full dose of X-ray radiation for the entire scanning period. The image quality and radiation dose was compared between the two groups. The average radiation dose in groups A and B was 6.91±2.78 and 10.43±3.36, respectively. The radiation doses in group A were reduced by 33.77% when compared with group B (P<0.05). However, there was no marked difference observed in image quality. In summary, using ECG-ATCM technology in prospective sequential CTCA scanning may significantly reduce the radiation dose required for overweight patients.
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