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Chapter-61 Vascular Imaging

BOOK TITLE: Kidney & Pancreas Transplantation

Author
1. Molmenti Ernesto P
2. Volpacchio Mariano
3. D’Agostino Catherine
4. Palestro Christopher
5. Hamilton W Mark
6. Warshawsky Robin J
7. Nagata David
8. Rodrigo Maximiliano de
9. Pellerito John
ISBN
9789351523390
DOI
10.5005/jp/books/12547_62
Edition
1/e
Publishing Year
2015
Pages
22
Author Affiliations
1. Hofstra Northwell School of Medicine, Long Island, New York, USA, North Shore-LIJ Health System, Long Island, New York, USA; Hofstra North Shore–LIJ School of Medicine, Long Island, New York, USA
2. Hospital de Clinicas Jose de San Martin, Universidad de Buenos Aires; Centro de Diagnostico, Dr. Enrique Rossi, Buenos Aires, Argentina
3. North Shore-LIJ Health System; Body Imaging Fellowship Program; Hofstra North Shore-LIJ Health System, Hempstead, New York, USA, North Shore-LIJ Health System; Hofstra North Shore-LIJ Health System, Hempstead, New York, USA
4. North Shore-LIJ Health System; Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA
5. Baylor University Medical Center, Dallas, Texas, USA
6. North Shore-LIJ Health System, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA
7. Internal Medicine, St. Luke’s Fruitland Clinic, Fruitland, Indiana, USA
8. Hospital Interzonal General de Agudos, “Dr. Oscar Alende” (HIGA), Esophageal and Gastric Surgery, Mar del Plata, Argentina
9. North Shore-LIJ Health System; Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA
Chapter keywords
ultrasound, vascular imaging, anastomoses, duplex Doppler ultrasonography, abnormal renal function, biopsy injuries

Abstract

Ultrasound evaluation is a fundamental part of the vascular study of the transplant kidney. Color Doppler allows depiction of the vessels and their anastomoses. Duplex Doppler allows for hemodynamic evaluation through spectral analysis. Duplex Doppler ultrasonography should be the first imaging study in the evaluation of abnormal renal function. Intrarenal AV fistulas are usually the result of a simultaneous laceration during biopsy procedures of an artery and a vein that result in a fistulous communication between both vessels. Color Doppler shows a focal flurry of disorganized color flow presumably due to vibration of surrounding tissues. Although pseudoaneurysms also usually result from biopsy injuries, the laceration only involves the arterial wall.

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