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Duplex-guided balloon angioplasty of failing or nonmaturing arterio-venous fistulae for hemodialysis: A new office-based procedure  Enrico Ascher, MD,

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Presentation on theme: "Duplex-guided balloon angioplasty of failing or nonmaturing arterio-venous fistulae for hemodialysis: A new office-based procedure  Enrico Ascher, MD,"— Presentation transcript:

1 Duplex-guided balloon angioplasty of failing or nonmaturing arterio-venous fistulae for hemodialysis: A new office-based procedure  Enrico Ascher, MD, Anil Hingorani, MD, Natalie Marks, MD, RVT  Journal of Vascular Surgery  Volume 50, Issue 3, Pages (September 2009) DOI: /j.jvs Copyright © 2009 Society for Vascular Surgery Terms and Conditions

2 Fig 1 Preoperative color power image of a severe (75%) stenosis in the failing radial-cephalic arteriovenous (AV) fistula. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

3 Fig 2 Doppler spectral analysis of the stenosis depicted on Fig 1 measured high peak systolic velocity (PSV) (531.7 cm/second). Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

4 Fig 3 Doppler spectral analysis of pre-stenotic fistula segment with peak systolic velocity (PSV) of cm/second. PSV ratio calculated when compared to the highest stenotic velocity depicted on Fig 2 is 4.27. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

5 Fig 4 Doppler spectral analysis with measurements of decreased volume flow (390.4 mL/minute) obtained from the arteriovenous (AV) fistula depicted in Figs 1-3. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

6 Fig 5 Doppler spectral analysis with measurements of increased volume flow (842.4 mL/minute) obtained in the same fistula segment after stenosis dilation, balloon, and wire removal. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

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