[Detection and its clinical value of myocardial bridging with 64-slice spiral CT coronary angiography].
To evaluate the detection rate of myocardial bridging by 64-slice spiral CT coronary angiography.


METHODS
The data of 3011 patients with suspected coronary artery disease undergoing 64-slice spiral CT coronary angiography were collected and analyzed retrospectively.


RESULTS
A total of 174 cases (5.8%) with myocardial bridging were detected by 64-slice spiral CT coronary angiography, among which 168 (96.6%) had single foci of involvement and 6 (3.4%) had were multiple foci. Involvement of the left anterior descending coronary artery (LAD) was detected in 167 out of the 174 cases (96.0%). The length of the myocardial bridge varied between 5 and 120 mm (mean of 30.5 mm), and the depth of the tunneled artery ranged between 1.3 and 2.8 mm (mean 2.3 mm). Seventy-nine of the cases (45.4%) had uncomplicated myocardial bridging and 95 (54.6%) had myocardial bridging complicated by coronary atherosclerosis.


CONCLUSIONS
Multi-slice spiral CT coronary angiography is a reliable and noninvasive modality for diagnosis of myocardial bridging to allow direct measurement of the length and depth of the myocardial bridge and detection of concurrent coronary and cardiac lesions.
Liu
Hui
H
Department of Radiology, Guangdong Provincial People's Hospital, Guangzhou 510080, China. liuhuijiujiu@gmail.com
Huang
Mei-ping
MP
Liang
Chang-hong
CH
Zheng
Jun-hui
JH
Wu
Zi-bin
ZB
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002681:China / Q000453:epidemiology; D017023:Coronary Angiography / Q000379:methods*; D003324:Coronary Artery Disease / Q000150:complications / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D054084:Myocardial Bridging / Q000150:complications / Q000000981:diagnostic imaging* / Q000453:epidemiology; D012189:Retrospective Studies; D036542:Tomography, Spiral Computed / Q000379:methods