COMPARISON OF DIGITAL DIPYRIDAMOLE STRESS ECHOCARDIOGRAPHY AND UPRIGHT BICYCLE STRESS ECHOCARDIOGRAPHY FOR IDENTIFICATION OF CORONARY-ARTERY STENOSIS

被引:17
作者
BJORNSTAD, K
AAKHUS, S
HATLE, L
机构
[1] Section of Cardiology, Department of Medicine, University Hospital of Trondheim
关键词
CORONARY ARTERY DISEASE; STRESS ECHOCARDIOGRAPHY; DIPYRIDAMOLE; BICYCLE EXERCISE TEST;
D O I
10.1159/000176932
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
This study compared the diagnostic accuracy of dipyridamole (0.84 mg i.v./ 10 min) and bicycle stress echocardiography in 37 patients with inconclusive standard bicycle electrocardiography (EGG) tests; all underwent coronary angiography. Sensitivity for detection of coronary stenosis with dipyridamole echocardiography was 68% (21 of 31 patients), and for 1-, 2- and 3-vessel disease 56, 69 and 83%, respectively. Overall bicycle echocardiography sensitivity was 84%, and 78, 88 and 83% for patients with 1-, 2- and 3-vessel disease, respectively. Dipyridamole echocardiography was negative in all 6 patients with negative coronary angiography (specificity 100%), bicycle echocardiography was positive in 2 (specificity 67%). We conclude that dipyridamole echocardiography tends to be less sensitive in patients with mild disease, but is more specific than bicycle echocardiography.
引用
收藏
页码:514 / 520
页数:7
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