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E. Jerry Cohn, MD, Marshall E. Benjamin, MD, Gail P

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1 Can intrarenal duplex waveform analysis predict successful renal artery revascularizaion? 
E.Jerry Cohn, MD, Marshall E. Benjamin, MD, Gail P. Sandager, RN, RVT, Michael P. Lilly, MD, Lois A. Killewich, MD, PhD, William R. Flinn, MD  Journal of Vascular Surgery  Volume 28, Issue 3, Pages (September 1998) DOI: /S (98) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2 Fig. 1 Diagram shows how the diastolic/systolic ratio for each arterial waveform was calculated from the ratio of the end-diastolic velocity (EDV) to the peak systolic velocity (PSV). Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3 Fig. 2 A, Normal (low resistance) Doppler spectral waveform obtained from the renal parenchyma. Note that the end-diastolic velocity is relatively high in comparison with the peak systolic velocity, and the diastolic/systolic ratio is normal at B, Abnormal (high resistance) Doppler spectral waveform. The end-diastolic velocity is relatively low, with a diastolic/systolic ratio of 0.23. Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4 Fig. 3 A, Scatter plot of preoperative parenchymal diastolic/systolic ratios of the patients with successful and unsuccessful blood pressure response to intervention. (Error bars indicate the standard error of the mean.) B, Scatter plot of preoperative parenchymal diastolic/systolic ratios of the patients with successful and unsuccessful function response to intervention. (Error bars indicate the standard error of the mean.) Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

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