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- W2385355309 abstract "Objective To evaluate the ability of predicting left anterior descending coronary artery (LAD) stenosis by transthoracic Doppler echocardiography (TTDE). Methods Sixty-five patients suspected coronary artery disease were examined by TTDE. LAD flow was explored and the diastolic-to-systolic flow velocity ratio (DSVR) was calculated. All patients underwent coronary artery angiography within 24 hours after the TTDE examination. Results Adequate spectra Doppler recordings of coronary flow in the distal LAD were obtained in 53 patients (81.5%). Fourteen patients had significant LAD stenosis (≥70%, stenosis group) and the remaining 39 were as the control. The peak and mean diastolic LAD flow velocity were not different between the two groups (P0.05), the peak and mean systolic LAD flow velocity in stenosis group were significantly faster than that in control group (26.4±11.8 cm/s vs 21.1±6.1 cm/s and 18.1±7.8 cm/s vs 14.7±4.0 cm/s, respectively; P0.05). There was a significant difference in mean and peak DSVR between the two groups (1.4±0.4 vs 1.9±0.4 and 1.4±0.4 vs 2.0±0.5, respectively; P0.0001). When mean DSVR ≤1.6 was considered to be abnormal, the sensitivity and specificity for detecting significant LAD stenosis were 85.7% and 79.5% respectively. Conclusion TTDE is a noninvasive means for detecting significant LAD stenosis." @default.
- W2385355309 created "2016-06-24" @default.
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- W2385355309 date "2005-01-01" @default.
- W2385355309 modified "2023-09-23" @default.
- W2385355309 title "Prediction of left anterior descending coronary artery stenosis using transthoracic Doppler echocardiography" @default.
- W2385355309 hasPublicationYear "2005" @default.
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