Diagnostic use of neuro-spect quantified with 99mtc-ecd. a model based on normal data Report as inadecuate




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Sabine Possa Marroni ; Caroline Muller Mayer ; Betina R. Braga ;Dementia & Neuropsychologia 2013, 7 4

Author: Belmonte Juarez Marroni

Source: http://www.redalyc.org/articulo.oa?id=339530369010


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Dementia & Neuropsychologia ISSN: 1980-5764 demneuropsy@uol.com.br Associação Neurologia Cognitiva e do Comportamento Brasil Juarez Marroni, Belmonte; Possa Marroni, Sabine; Muller Mayer, Caroline; Braga, Betina R. Diagnostic use of neuro-spect quantified with 99mTc-ECD.
A model based on normal data Dementia & Neuropsychologia, vol.
7, núm.
4, octubre-diciembre, 2013, pp.
416-423 Associação Neurologia Cognitiva e do Comportamento São Paulo, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=339530369010 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Original Articles Dement Neuropsychol 2013 December;7(4):416-423 Diagnostic use of neuro-spect quantified with 99mTc-ECD A model based on normal data Belmonte Juarez Marroni1, Sabine Possa Marroni2, Caroline Muller Mayer3, Betina R.
Braga4 ABSTRACT.
Objective: The purpose of the present study was to prospectively quantify the normal limits of brain perfusion using specific software in a group of asymptomatic young volunteers submitted to single-photon emission tomography (SPECT) with 99m Tc-ethyl cysteinate dimer (99mTc-ECD).
Methods: We used 15 MBq-kg of intravenous 99mTc-ECD in 30 healthy volunteers submitted to brief neuropsychological tests and a clinical questionnaire.
These data were normalized relative to the cerebellum (Group 1) and to the brain cortex (Group 2).
Statistical analysis was performed with Student’s t-test.
The average radioactivity was 6.5 million counts-study.
Results: The normalized (Group I) revealed an average value of 78.03%, with standard deviation (SD) of 4.07.
Two volunteers in this group had slightly greater than two standard deviations from the mean.
When we used (Group II), the average value was 71.01%, with a SD of 4.66.
We observ...





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