Small computer assisted analysis of camera renograms Page: 6 of 13
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SMALL COMPUTER ASSISTED ANALYSIS OF CAMERA RENOGRAMS
A program originally designed for 3 or 4 probe renography and a large
computer has been adapted for use with a camera device interfaced to a
small dedicated computer. The system combines the advantage of sequential
imaging with the convenience of ready access to the computer by the physician.
Following the administration of Tc-human serum albumin, the patient can
be accurately positioned with respect to the field of view of the camera. A
static image allows calculation of relative blood background contribution to
each kidney. Subsequently, serial imaging is performed, first with 131I_
Hippuran and then 99mTc-DTPA. The resultant time-activity curves derived
from such studies are analyzed with the aid of the computer program.
Information derived from such analysis includes time of maximum for each
curve, the relative accumulation rate of radioactivity by each kidney, and
efficiency of isotope removal from each kidney. The program offers the
possibility of deriving quantitative information for comparative renal
function. Further refinement of the analysis will be carried out following
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Esser, P.D.; Bradley-Moore, P.R.; Atkins, H.L.; Robertson, J.S. & Ansari, A.N. Small computer assisted analysis of camera renograms, article, January 1, 1972; Upton, New York. (https://digital.library.unt.edu/ark:/67531/metadc1027737/m1/6/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.