[Application of 64-slice helical CT in screening of coronary artery heart disease among apparently healthy people: preliminary experience].
OBJECTIVE
To evaluate the value of 64-slice helical CT in screening of coronary artery heart disease among apparently healthy people and to explore the specific operation thereof.


METHODS
Toshiba Aquilino 64-slice helical CT machine was used to scan the scope from the tracheal carina to cardio-diaphragmatic plain among 286 apparently healthy persons aged 40 approximately 78, 188 males and 98 females, with at least one risk factor of coronary artery heart disease, after the contrast Iopamidol was injected. The data thus obtained underwent after-finishing screen are with the techniques of volume reconstruction, multiplanar reconstruction, curve planar reconstruction, and 3-D reconstruction so as to demonstrate the abnormalities of coronary artery. Twenty-eight persons with positive findings further underwent coronary angiography. Their results of coronary angiography were compared with those of the results of 64-slice helical CT.


RESULTS
239 of the 1523 branches of coronary artery in the 286 persons were diagnosed as with stenosis of different degrees, 138 being less than by 50%, 62 being by 50% approximately 70%, and 23 being by more than 70%. Twelve of the 28 persons who underwent angiography received coronary stent.


CONCLUSIONS
As a minimally invasive examination, 64-slice helical CT is valuable in early detection of asymptomatic coronary heart disease.
Zhang
Bin
B
Department of Radiology, Capital Steel and Iron Company Hospital, Peking University, Beijing 100041, China.
Li
Hai-bo
HB
Guo
Lai-jing
LJ
Yan
Dong
D
Liu
Jing-shan
JS
Na
Yan-qun
YQ
D000328:Adult; D000368:Aged; D002681:China; D003327:Coronary Disease / Q000000981:diagnostic imaging* / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D008875:Middle Aged; D015203:Reproducibility of Results; D036542:Tomography, Spiral Computed / Q000379:methods*