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| Clinical value of VCT coronary artery imaging in the diagnosis of myocardial bridges |
| YU Shu-jing |
| CT Room, Central Hospital of Cangzhou, Cangzhou Hebei 061001, China |
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Abstract Objective: To study the clinical value of VCT coronary artery imaging in the diagnosis of myocardial bridges. Methods: A total of 121 cases with clinical appearance of coronary disease underwent the examination of VCT, the appearance of myocardial bridges diagnosed by VCT in 33 cases were analysed retrospectively. Results: Fifty-nine myocardial bridges were found in 33 patients, the rate was 27%. The location in left anterior descending artery was 40%, diagonal artery 27%, left obtuse marginal branch 22.3%, left circumflex artery 6.7%, right coronary artery 5%. Length of myocardial bridges was 5～49mm, average (22±11)mm, depth was 1.2～5mm, average (2.3±1.0)mm. The appearance of myocardial bridge in CT angiography was slightly flat, but the lumen was smooth, with no stenosis and plaque. Conclusion: VCT is the first choice in the diagnosis of myocardial bridge, but can not evaluate the blood flow. There is no relationship between myocardial bridge and arteriosclerosis. When the patient with myocardial bridge has the symptom of typical angina and the ECG change occurring, the examination of coronary artery angiography should be accepted.
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Received: 02 June 2006
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2007, Vol. 18 
