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Article

Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients

  • Authors:
    • Guiru He
    • Xiaopei Liu
    • Yan Liu
    • Wei Wang
    • Zhiliang Ke
  • View Affiliations / Copyright

    Affiliations: CT/MR Room, The Fifth Affiliated Hospital of Xinjiang Medical University, ürümqi, Xinjiang 830000, P.R. China
  • Pages: 2384-2388
    |
    Published online on: April 7, 2015
       https://doi.org/10.3892/etm.2015.2412
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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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Copy and paste a formatted citation
Spandidos Publications style
He G, Liu X, Liu Y, Wang W and Ke Z: Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients. Exp Ther Med 9: 2384-2388, 2015.
APA
He, G., Liu, X., Liu, Y., Wang, W., & Ke, Z. (2015). Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients. Experimental and Therapeutic Medicine, 9, 2384-2388. https://doi.org/10.3892/etm.2015.2412
MLA
He, G., Liu, X., Liu, Y., Wang, W., Ke, Z."Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients". Experimental and Therapeutic Medicine 9.6 (2015): 2384-2388.
Chicago
He, G., Liu, X., Liu, Y., Wang, W., Ke, Z."Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients". Experimental and Therapeutic Medicine 9, no. 6 (2015): 2384-2388. https://doi.org/10.3892/etm.2015.2412
Copy and paste a formatted citation
x
Spandidos Publications style
He G, Liu X, Liu Y, Wang W and Ke Z: Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients. Exp Ther Med 9: 2384-2388, 2015.
APA
He, G., Liu, X., Liu, Y., Wang, W., & Ke, Z. (2015). Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients. Experimental and Therapeutic Medicine, 9, 2384-2388. https://doi.org/10.3892/etm.2015.2412
MLA
He, G., Liu, X., Liu, Y., Wang, W., Ke, Z."Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients". Experimental and Therapeutic Medicine 9.6 (2015): 2384-2388.
Chicago
He, G., Liu, X., Liu, Y., Wang, W., Ke, Z."Dose study of electrocardiogram automatic tube current modulation technology in prospective coronary computed tomography angiography scans of overweight patients". Experimental and Therapeutic Medicine 9, no. 6 (2015): 2384-2388. https://doi.org/10.3892/etm.2015.2412
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