The British Journal of Radiology, Vol 55, Issue 654 419-433, Copyright © 1982 by British Institute of Radiology

ARTICLES

A co-operative study on the clinical value of dynamic renal scanning with deconvolution analysis

A Piepsz, HR Ham, F Erbsmann, M Hall, BL Diffey, MJ Goggin, FM Hall, JA Miller, J Lumbroso, R Di Paola, JP Bazin, M Di Paola and D Fries

An international project was set up to study the clinical usefulness of intrarenal transit times derived from the renogram by deconvolution. A common data sheet, to collect clinical, biochemical, radiological and isotopic information, was completed by the centres. Five hundred and ninety-one patients were studied and the results analysed. The mean transit time (MTT) in normal kidneys was found to be 3.6 +/- 1.1 min. If the MTT is greater than 7.6 min, a kidney is likely to be obstructed. In vesico-ureteric reflux, the transit times are prolonged, but they are normal in infection, hypertension, parenchymal disease and minimally irradiated kidneys. In transplantation, when the kidney is normal, the transit times are shorter than in the natural kidney; in acute rejection, transit time are prolonged.

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