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Computation of Glomerular Filtration Rate with Tc-99m DTPA: An In-House Computer Program

Good Samaritan Hospital and Medical Center, Portland, Oregon

Correspondence: For reprints contact: Gary F. Gates, MD, Nucl. Med, Dept., Good Samaritan Hospital and Medical Center, 1015 N. W. 22nd Ave., Portland, OR 97210.

ABSTRACT

The glomerular filtration rate (GFR) can be computed from the scintigraphic determination of Tc-99m DTPA (diethylenetriaminepentaacetic acid) uptake within the kidneys. The required computations are straightforward and can easily be included in the software of various computers, including a hospital's existing data-processing system. This report presents a complete operational program based on extensive experience with this method. The program is easy to use, allows for adjustments to be made for unusual clinical conditions, and produces a permanent record that can be issued as part of the final report.