Presentation is loading. Please wait.

Presentation is loading. Please wait.

C. Scott Norris, M. D. , John S. Pfeiffer, M. D. , Stanley E

Similar presentations


Presentation on theme: "C. Scott Norris, M. D. , John S. Pfeiffer, M. D. , Stanley E"— Presentation transcript:

1 Noninvasive evaluation of renal artery stenosis and renovascular resistance 
C.Scott Norris, M.D., John S. Pfeiffer, M.D., Stanley E. Rittgers, Ph.D., Robert W. Barnes, M.D.  Journal of Vascular Surgery  Volume 1, Issue 1, Pages (January 1984) DOI: / (84) Copyright © 1984 Mosby, Inc. Terms and Conditions

2 Fig. 1 Experimental canine models for RAS and microvascular occlusive disease. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

3 Fig. 2 Duplex sagittal imaging of superior mesenteric artery, abdominal aorta, and left and right renal artery with recordings of normal flow velocity profiles. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

4 Fig. 3 Experimental canine graded RAS with corresponding measurements of arterial flow velocity, arterial pressure gradients, and renal vein volume flow. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

5 Fig. 4 Forty-eight canine RAS (grouped according to transstenotic pressure gradients) with corresponding measurements of renal vein volume flow, renal artery flow velocity systolic window, and renal artery/aorta peak frequency indices. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

6 Fig. 5 Gel microsphere occlusion of canine renal microvascular bed with corresponding measurements of renal artery flow velocity, renal vein volume flow, and renal artery and vein pressure. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

7 Fig. 6 Index fd/fs with corresponding invasive measurements of renal artery volume blood flow for experimental canine graded microvascular resistance. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

8 Fig. 7 Photomicrograph of canine kidney demonstrating occlusion of arteriole within cortex by gel microsphere. (Original magnification ×40). Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

9 Fig. 8 Arteriogram demonstrating 85% stenosis of proximal left renal artery with corresponding Duplex flow velocity recordings. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

10 Fig. 9 Spectra of Duplex flow velocity recordings within renal arteries of age-matched patients with symptomatic peripheral arterial occlusive disease, hypertension for 10 years requiring two-drug management and control population. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions

11 Fig. 10 Measured fd/fs (end-diastolic/peak systolic frequency) from Duplex scans for normal, hypertensive, and atherosclerotic patients. Journal of Vascular Surgery 1984 1, DOI: ( / (84) ) Copyright © 1984 Mosby, Inc. Terms and Conditions


Download ppt "C. Scott Norris, M. D. , John S. Pfeiffer, M. D. , Stanley E"

Similar presentations


Ads by Google