Abstract
A new formula is presented for the prediction of urinary excretion at approximately 35 min after injection of 131I-orthoiodohippurate, derived from a large series of normal kidney donors, before and after unilateral nephrectomy, and a few patients with diseases in which there was no evidence of urinary tract obstruction. The best formula was: Expected percent dose excretion at 35 min = 79.3[1−e−(0.004798 x ERPF)] with a standard error of estimate (Sy·x) of 5.2% dose. This value has been particularly useful in clinical practice in the calculation of an excretion index (actual/expected percent dose excretion) which separates various post-transplantation entities and various nephrouologic processes.
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Tauxe, W.N., Dubovsky, E.V., Kidd, T. et al. Prediction of urinary excretion of 131I-orthoiodohippurate. Eur J Nucl Med 7, 102–103 (1982). https://doi.org/10.1007/BF00256395
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DOI: https://doi.org/10.1007/BF00256395