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- W2226887757 abstract "Objectives: We attempted to evaluate the value of coronary flow velocity measurement by transthoracic color Doppler echocardiography for the noninvasive diagnosis of significant LAD stenosis at rest. Methods: We studied 98 consecutive patients who underwent coronary angiography (63 patients with≥ 60% LAD stenosis [Group-S], 35 patients without or with< 60% LAD stenosis [Group-N]). Patients with occluded LAD were excluded from the study group. Peak diastolic coronary flow velocities were measured at the stenotic site and the prestenotic site by pulsed wave Doppler method. Results: Stenotic peak flow velocity in Group-S was significantly higher than that in Group-N (78± 43 versus 32± 12 cm/s, p< 0.001), although prestenotic peak flow velocity did not differ between Group-S and Group-N (32± 11 versus 25± 9 cm/s). There was a significant difference in the stenotic to prestenotic peak flow velocity ratio between Group-S and Group-N (2.08± 0.48 versus 1.31± 0.23, p< 0.001). Conclusions: Detection of localized color aliasing and measurement of the stenotic to prestenotic peak diastolic coronary flow velocity ratio in LAD by transthoracic color Doppler echocardiography at rest are useful in the noninvasive diagnosis of significant LAD stenosis." @default.
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- W2226887757 date "2006-05-01" @default.
- W2226887757 modified "2023-09-30" @default.
- W2226887757 title "3119" @default.
- W2226887757 doi "https://doi.org/10.1016/j.ultrasmedbio.2006.02.889" @default.
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