Article Figures & Data
Figures
- FIGURE 1.
The 4 stages of radionuclide-based GFR studies.
- FIGURE 2.
Two- and 3-compartment models with respective rate constants, kij. K10 is taken to be GFR clearance. Two-compartment model views compartment 1 as intravascular volume and compartment 2 as extravascular volume. Compartment 3 is considered to be present in patients with known third fluid compartments.
- FIGURE 3.
Example of 9-sample (5, 10, 20, 60, 120, 180, 240, 360, and 480 min) plasma clearance for a given dose of 99mTc-DTPA. (A) Plot of plasma sample counting rate vs. time (black dots) with fitted biexponential curve. (B) Part A with individual early and late exponential curves. (C) Linear fits for natural logarithm of early and late exponentials.
Tables
- TABLE 1
Maximum Suggested Adult and Pediatric Administered and Effective Doses Relating to Undergoing GFR Measurement Study with 51Cr-EDTA and 99mTc-DTPA
U.K.: ARSAC notes for guidance (adults) EANM guidelines (pediatric) Tracer Administered dose (MBq) Effective dose (mSv) Administered dose (MBq) Effective dose (mSv) 51Cr-EDTA 3 0.006 3.7 0.011 99mTc-DTPA 10 0.06 37 0.1 ARSAC = Administration of Radioactive Substances Advisory Committee (U.K. advisory committee).
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