Why the study?
Can pulsed Doppler velocimetry accurately assess hemodynamic changes compared to invasive measurements in patients with heart failure receiving vasodilators?
Can pulsed Doppler velocimetry accurately assess hemodynamic changes compared to invasive measurements in patients with heart failure receiving vasodilators?
Doppler aortic blood flow measurement provides a reliable noninvasive method to assess quantitative changes in systemic vascular resistance and stroke volume after vasodilator therapy in heart failure patients.
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May support Doppler velocimetry for noninvasive tracking of SVR and SV changes in HF; leaves open prospective validation before practice adoption.
Elkayam et al. (1983) studied this question.