Postbiopsy renal transplant arteriovenous fistulas: color Doppler US characteristics

W. D. Middleton, G. M. Kellman, G. L. Melson, Beatrice Madrazo

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

Color Doppler ultrasound (US) with point-spectral analysis was performed on eight patients with postbiopsy renal transplant arteriovenous fistulas. Waveform analysis of the supplying artery documented decreased resistive indices in all cases and increased flow velocities in seven. The peak-systolic flow velocity in the arteries supplying the fistulas ranged from 55 to 180 cm/sec (mean, 92 cm/sec), while the range in normal arteries was 20-52 cm/sec (mean, 32 cm/sec). The resistive indices of the arteries supplying the fistulas ranged from 0.31 to 0.50 (mean, 0.45), while the resistive indices of the normal arteries ranged from 0.60 to 0.92 (mean, 0.74). Arterialization of the venous waveform from the draining vein was also documented in all cases. In six cases the increased flow velocities resulted in increased color saturation toward white in the supplying artery (n = 2) or in both the artery and the draining vein (n = 4), which was detectable on the real-time image. In six cases, flow turbulence resulted in localized tissue vibration, which appeared as random color assignment in extravascular renal parenchyma adjacent to the fistula. Knowledge of these imaging and Doppler characteristics should aid in the identification of renal transplant arteriovenous fistulas with color Doppler US.

Original languageEnglish
Pages (from-to)253-257
Number of pages5
JournalRadiology
Volume171
Issue number1
StatePublished - Jan 1 1989
Externally publishedYes

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Doppler Ultrasonography
Arteriovenous Fistula
Arteries
Color
Transplants
Kidney
Fistula
Veins
Vibration
Reference Values

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Middleton, W. D., Kellman, G. M., Melson, G. L., & Madrazo, B. (1989). Postbiopsy renal transplant arteriovenous fistulas: color Doppler US characteristics. Radiology, 171(1), 253-257.

Postbiopsy renal transplant arteriovenous fistulas : color Doppler US characteristics. / Middleton, W. D.; Kellman, G. M.; Melson, G. L.; Madrazo, Beatrice.

In: Radiology, Vol. 171, No. 1, 01.01.1989, p. 253-257.

Research output: Contribution to journalArticle

Middleton, WD, Kellman, GM, Melson, GL & Madrazo, B 1989, 'Postbiopsy renal transplant arteriovenous fistulas: color Doppler US characteristics', Radiology, vol. 171, no. 1, pp. 253-257.
Middleton, W. D. ; Kellman, G. M. ; Melson, G. L. ; Madrazo, Beatrice. / Postbiopsy renal transplant arteriovenous fistulas : color Doppler US characteristics. In: Radiology. 1989 ; Vol. 171, No. 1. pp. 253-257.
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