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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/23545
Title: Correlation of the ERPF with the extraction fraction values of technetium-99m mercaptoacetyltriglycine
Authors: Chanisa Chotipanich
Marc Hickeson
Jehanzeb Khan
Dave Beauchemin
Douglas Canning
Martin Charron
Mahidol University
University of Pennsylvania, Health System
The Children's Hospital of Philadelphia
Keywords: Medicine
Issue Date: 11-Oct-2006
Citation: Journal of the Medical Association of Thailand. Vol.89, No.9 (2006), 1479-1486
Abstract: Objective: The objective of this study was to determine if a correlation exists between the effective renal plasma flow (ERPF) and the extraction fraction (EF) using 99mTc MAG3 in children. This EF has been previously described with 99mTc DTPA. However, the renal imaging agent of choice has become 99mTc MAG3. Material and Method: The study was approved by The Children's Hospital of Philadelphia's institutional review board. Informed consent was also obtained. A retrospective study of 29 children (16 males, 13 females) of ages 1 month to 19.5 years who underwent 99mTc MAG3 renal scintigraphy from September 2001 to December 2001 was analysed. EF values were calculated with and without attenuation correction in each kidney by determining the counts in a region of interest, correcting for background and comparing the counts with the injected dose. The EF was compared to the ERPF calculated using the Schlegel's method. The correlation between the EF and the ERPF, corrected and non-corrected for soft tissue attenuation, were determined and were identified by using linear regression analysis. Results: There was significant correlation between the ERPF and the EF with (r = 0.62, p < 0.05 on the left, r = 0.51, p = 0.005 on the right) than without attenuation correction (r = 0.54, p = 0.003 on the left, r = 0.42, p = 0.022 on the right). Conclusion: These results indicate a correlation of the ERPF calculated using the Schlegel's method with EF obtained from a 99mTc MAG3 renal scintigraphy. The EF may be the good alternative parameter for calculation of renal function, potentially more practical in pediatric patient and the ERPF for 99mTc MAG3 using the established software program based on Schlegel's formula.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33749446600&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/23545
ISSN: 01252208
01252208
Appears in Collections:Scopus 2006-2010

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