2D speckel tracking with Dobutamin detect significant coronary stenosis
Main Article Content
Abstract
This study evaluated the added value of combining speckle tracking with 2D dobutamin stress echocardiography in detecting significant coronary stenosis among patients with chronic coronary syndrome. This cross-sectional diagnostic study was conducted on 166 patients using a combination of 2D dobutamin stress echocardiography, speckle tracking, multi-slice coronary computed tomography, and digital subtraction coronary angiography. The results showed that combining speckle tracking with 2D dobutamin stress echocardiography at peak stress and early recovery phases increased sensitivity compared to visual 2D dobutamin stress echocardiography. Visual 2D dobutamin stress echocardiography showed a sensitivity of 74% and specificity of 83.7%. When combined with speckle tracking, sensitivity increased to 94.3% and 95.9% at global longitudinal strain cut-off values of < 16.8 during peak stress and < 16.5 during early recovery, respectively. Thus, the combination of speckle tracking with 2D dobutamin stress echocardiography enhances the detection of significant stenosis in coronary branches during the recovery phase in patients with suspected coronary artery disease.
Article Details
Keywords
Dobutamine stress echocardiography, speckle tracking echocardiography, significant coronary stenosis, global longitudinal strain
References
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