PMID: 9533130Apr 9, 1998Paper

Calculation of radiation exposures from patients to whom radioactive materials have been administered

Physics in Medicine and Biology
J Cormack, J Shearer

Abstract

Spreadsheet templates which calculate cumulative exposures to other persons from patients to whom radioactive materials have been administered have been developed by the authors. Calculations can be based on any specified single-, bi- or tri-exponential whole-body clearance rate and a diurnal (or any other periodic) contact pattern. The time (post-administration) during which close contact should be avoided in order to constrain the radiation exposure and exposure rates to selected limits is also calculated using an iterative technique (Newton's method), and the residual activity at the time when contact can resume is also calculated. These templates find particular application in the calculation of exposures to persons who are in contact with patients who have received 131I for therapeutic purposes. The effect of changing dose limits, contact patterns and using individually derived clearance rates may be readily modelled.

References

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Citations

Nov 30, 2007·Australasian Physical & Engineering Sciences in Medicine·R C Smart
Dec 8, 2004·Australasian Physical & Engineering Sciences in Medicine·S Woodings
Feb 24, 1999·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·P J Mountford, M J O'Doherty
Sep 29, 2000·Clinical Positron Imaging : Official Journal of the Institute for Clinical P.E.T·S WhiteR Hicks
Dec 3, 2002·Health Physics·Marvin I Friedman, Munir Ghesani
Mar 3, 2001·The British Journal of Radiology·M L Waller
Nov 2, 2002·Nuclear Medicine Communications·W D LeslieD N Abrams
Mar 1, 2017·Clinical Oncology : a Journal of the Royal College of Radiologists·J M HimsworthM Singleton

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