TY - JOUR
AU - Thiagalingam A.
AU - Choudhary P.
AU - O'Rourke J.
AU - Kovoor P.
AU - Blomster J.
AU - Hillis G.
AU - Adler J.
AU - Chow Clara
AB - <p>
Objective Computed tomography coronary angiography (CTCA) has become a commonly used imaging modality in patients with suspected anginal symptoms but also in asymptomatic populations. This practice has raised concerns due to potential high radiation exposure in terms of adequate benefit to risk profile. Design Demographics and CTCA scan details were collected from a consecutive series of 586 patients referred to a single community radiology practice for a CTCA. Results Of the 586 patients, 271 (46.2%) were women. Mean age was 58.3standard deviation (SD) 12.2, range 15-90 years, body mass index 28.6 SD 5.9 kg/m2 and heart rate 60 SD 10 beats per minute. Mean total radiation was 4.79 SD 3.45mSv (range 0.64 - 31.34). The mean radiation exposure in the lowest quartile of body mass index (BMI) and heart rate were 3.01 SD 1.84 mSv and 3.95 SD 2.72 mSv, compared to the highest 7.32 SD 3.51 mSv and 6.20 SD 4.38 mSv (p for trend &lt;0.0001 in both). Conclusion The radiation exposure in this consecutive series of patients is low in general but patient selection for CTCA imaging appear to be paramount. Patients with a high BMI and especially with high heart rate receive a higher dose of radiation.
</p>

AD - a The George Institute for Global Health , Sydney , NSW , Australia.<br/>b The University of Turku , Turku , Finland.<br/>c Castlereagh Imaging , Mons Road, Westmead , Sydney , Australia.<br/>d Department of Cardiology , Westmead Hospital , Sydney , Australia.<br/>e Department of Cardiology , Royal Perth Hospital , Perth , Australia.
AN - 27102242
BT - Scandinavian Cardiovascular Journal
DA - 169488475183
DP - NLM
ET - 2016/04/23
LA - Eng
LB - AUS<br/>CDV<br/>FY16
M1 - 4
N1 - Blomster, Juuso I<br/>O'Rourke, John<br/>Choudhary, Preeti<br/>Thiagalingam, Aravinda<br/>Kovoor, Pramesh<br/>Adler, Julian<br/>Hillis, Graham S<br/>Chow, Clara K<br/>Scand Cardiovasc J. 2016 Apr 21:1-26.
N2 - <p>
Objective Computed tomography coronary angiography (CTCA) has become a commonly used imaging modality in patients with suspected anginal symptoms but also in asymptomatic populations. This practice has raised concerns due to potential high radiation exposure in terms of adequate benefit to risk profile. Design Demographics and CTCA scan details were collected from a consecutive series of 586 patients referred to a single community radiology practice for a CTCA. Results Of the 586 patients, 271 (46.2%) were women. Mean age was 58.3standard deviation (SD) 12.2, range 15-90 years, body mass index 28.6 SD 5.9 kg/m2 and heart rate 60 SD 10 beats per minute. Mean total radiation was 4.79 SD 3.45mSv (range 0.64 - 31.34). The mean radiation exposure in the lowest quartile of body mass index (BMI) and heart rate were 3.01 SD 1.84 mSv and 3.95 SD 2.72 mSv, compared to the highest 7.32 SD 3.51 mSv and 6.20 SD 4.38 mSv (p for trend &lt;0.0001 in both). Conclusion The radiation exposure in this consecutive series of patients is low in general but patient selection for CTCA imaging appear to be paramount. Patients with a high BMI and especially with high heart rate receive a higher dose of radiation.
</p>

PY - 2016
SN - 1651-2006 (Electronic)<br/>1401-7431 (Linking)
SP - 206
EP - 12
T2 - Scandinavian Cardiovascular Journal
TI - Patient Selection Essential for Computed Tomography Coronary Angiography
VL - 50
Y2 - FY16
ER -