Research Journal of Pharmacy and Technology

Open Access Open Access  Restricted Access Subscription Access
Open Access Open Access Open Access  Restricted Access Restricted Access Subscription Access

Correlations Analysis of the Entrance Surface Dose According to the BMI at Computed Tomography and Angiography in Cardiovascular Examination


Affiliations
1 Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of
     

   Subscribe/Renew Journal


Background/Objectives: The purpose of this study was to investigate the correlation between the entrance surface dose (ESD) and the patient’s body mass index (BMI) in coronary angiography (CAG) of the cardiovascular center and coronary computed tomography angiography (CCTA).

Methods/Statistical analysis: This study was conducted on 300 patients (CAG 100 persons; CTA 200 persons), who underwent CAG and CCTA in this hospital from December 2012 to March 2017. To analyze the ESD, the CTDIvol value was obtained from CCTA, and the air kerma value was obtained from CAG for retrospective analysis. CCTA was conducted using the prospective ECG gating technique (PGT) and the retrospective ECG gating technique (RGT).

Findings: In the cardiovascular lesion examinations, PGT showed a higher ESD compared to RGT, but the difference was not statistically significant (403.8±118.7 vs. 384.7±117.4, P=0.553). In the correlation between BMI and ESD, there were statistically significant differences among the three groups (PGT, RGT, and CAG) (p<0.05). In the linear relationship examined with a scatter plot, the dose in CAG increased with the increase in BMI (R2=0.144, p<0.001), but the doses in PGT (R2=0.04, p<0.05) and RGT (R2=0.144, p<0.05) decreased with the increase in BMI.

Improvements/Applications: Although the dose of CAG tended to increase with the increase in the patient’s BMI, the dose of CCTA tended to decrease inversely. Therefore, BMI may be used as the criterion for the selection of an appropriate examination considering the exposure dose.


Keywords

Coronary Angiography (CAG), Body Mass Index (BMI), Entrance Surface Dose (ESD), Coronary Computed Tomography Angiography (CCTA), Prospective ECG Gating Technique (PGT).
Subscription Login to verify subscription
User
Notifications
Font Size


  • M. Francone, A. Napoli, I. Carbone, Noninvasive imaging of the coronary arteries using a 64-row multidetector CT scanner: initial clinical experience and radiation dose concerns. Radiology Medical, 2007, 112(1), pp. 31-46.

  • CH. McCollough, AN. Primak, O. Saba, Dose performance of a 64-channel dual-source CT scanner. Radiology, 2007, 243(3), pp. 775-784.

  • S. Baumuller, S. Leschka, L. Desbiolles, Dual-source versus 64-section CT coronary angiography at lower heart rates, Comparison of accuracy and radiation dose. RSNA, Radiology, 2009, 253(1), pp. 56-64.

  • J. Haunleiter, T. Meyer, M. Hadamitzky, Radiation dose estimates from cardiac multislice computed tomography in daily practice impact of different scanning protocols on effective dose estimates. Circulation, 2006, 113, pp. 1305-1310.

  • P. Stolamann, H. Scheffel, T. Schertler, Radiation dose estimates in dual-source computed tomography coronary angiography. European Radiology, 2008, 18(3), pp. 592-599.

  • JP. Earls, EL. Berman, BA. Urban, Prospectively gated transverse coronary CT angiography versus retrospectively gated helical technique: Improved image quality and reduce radiation dose. Radiology, 2008, 246(3), pp. 1081-1086.

  • W. S. Yang, S. G. Sin, J. H. Park, “Evaluate the diagnostic accuracy in the assessment of coronary artery stenoses using MDCT”, Journal of the Korean Society of Radiology, 2012, 6(4), pp. 275-279.

  • Y. H. Seo, J. B. Han, N. G. Choi, J. N. Song, Analysis on the Entrance Surface Dose and Contrast Medium Dose at computed Tomography and Angiography in Cardiovascular Examination. Journal of Radiological Science and Technology, 2016, 39(4), pp. 1-7.

  • H. J. Kim, I. B. Moon, J. B. Han, N. G. Choi, S. J. Jang, “Evaluation of Radiation Dose and Image Quality Between Manual and Automatic Exposure Control Mode According to Body Mass Index in Cardiac CT. Korea Contents Association Review, 2013, 13(4), pp. 290-299.

  • Y. H. Kang, Comparison of Radiation Doses between 64-slice Single Source and 128-slice Dual Source CT Coronary Angiography in patient. Journal of the Korean Society Radiology, 2012, 6(2), pp. 129-136.

  • Boos J, Lanzman RS, Meinek A, Heusch P, Sawicki LM, Antoch G, Kropil P, “Dose monitoring using the DICOM structured report: assessment of the relationship between cumulative radiation exposure and BMI in abdominal CT. US National Library of Medicine, 2015, 70(2), pp. 82-176.

  • D. H. Kim, S. J. Ko, S. S. Kang, J. H. Kim, S. Y. Choi, C. S. Kim, Evaluation of Image Quality and dose with the Change of kVp and BMI in the LiverCT. Journal of the Korean Society Radiology, 2013, 13(6), pp. 331-338.

  • P. Stolzmann, H. Scheffel, T. Schertler, T. Frauenfelder, S. Leschka, L. Husmann, T. G. Flohr, B. Marindk, P. A. Kaufmann, H. Alkadhi, “Radiation dose estimates in dual-source computed tomography coronary angiography. European Radiology, 2008, 18(3), pp. 592-599.

  • B. Jung, A. H. Mahnken, A. Stargardt, J. simon, T. G. Flohr, S. Schaller, R. Koos, R. W. Gunther, H. E. Wildberger, Individually weight-adapted examination protocol in retrospectively ECG-gated MSCT of the heart. European Radiology, 2003, 13(12), pp. 2560-2566.

  • J. W. Jeong, G. J. Shin, Clinical echovardiograph. Korea Society of Echocardiography., Seoul, 2008, pp. 394-416.

  • Stevens J, Ethnic-specific revision of body mass index cutoffs to define overweight and obesity in Asians are not warranted. International Journal of Obesity, 2003, 27, pp. 1297-1299.

  • F. Razak, SS. Anand, H. Shannon, V. Vuksan, B. Davis, R. Jacobs, Defining Obesity Cut Points in a Multiethnic Population. Circulation, 2007, 115, pp. 2111-2118.

  • J. H. Park, Measuring BMI Cutoff Points of Korean Adults Using Morbidity of BMI-related Diseases. Institute of Health Policy and Management, 2011, 20(1), pp. 36-43.

  • Y. G. Kim, Body mass index and CT image quality and radiation exposure in coronary angiography Comparison. Korean Journal of Radiology, 2008, 190, pp. 777-784.

  • http://www.kocw.net/home/cview.do?lid=8b667c843c7fff26.


Abstract Views: 252

PDF Views: 0




  • Correlations Analysis of the Entrance Surface Dose According to the BMI at Computed Tomography and Angiography in Cardiovascular Examination

Abstract Views: 252  |  PDF Views: 0

Authors

Young-Hyun Seo
Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of
Jae-Bok Han
Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of
Nam-Gil Choi
Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of
Jong-Nam Song
Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of
Mun-Taek Jong
Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of
Myo-Young Jung
Dept. of Radiology Science, Dongshin University, Jeonnam, Korea, Democratic People's Republic of

Abstract


Background/Objectives: The purpose of this study was to investigate the correlation between the entrance surface dose (ESD) and the patient’s body mass index (BMI) in coronary angiography (CAG) of the cardiovascular center and coronary computed tomography angiography (CCTA).

Methods/Statistical analysis: This study was conducted on 300 patients (CAG 100 persons; CTA 200 persons), who underwent CAG and CCTA in this hospital from December 2012 to March 2017. To analyze the ESD, the CTDIvol value was obtained from CCTA, and the air kerma value was obtained from CAG for retrospective analysis. CCTA was conducted using the prospective ECG gating technique (PGT) and the retrospective ECG gating technique (RGT).

Findings: In the cardiovascular lesion examinations, PGT showed a higher ESD compared to RGT, but the difference was not statistically significant (403.8±118.7 vs. 384.7±117.4, P=0.553). In the correlation between BMI and ESD, there were statistically significant differences among the three groups (PGT, RGT, and CAG) (p<0.05). In the linear relationship examined with a scatter plot, the dose in CAG increased with the increase in BMI (R2=0.144, p<0.001), but the doses in PGT (R2=0.04, p<0.05) and RGT (R2=0.144, p<0.05) decreased with the increase in BMI.

Improvements/Applications: Although the dose of CAG tended to increase with the increase in the patient’s BMI, the dose of CCTA tended to decrease inversely. Therefore, BMI may be used as the criterion for the selection of an appropriate examination considering the exposure dose.


Keywords


Coronary Angiography (CAG), Body Mass Index (BMI), Entrance Surface Dose (ESD), Coronary Computed Tomography Angiography (CCTA), Prospective ECG Gating Technique (PGT).

References