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Portable lactate analyzer for measuring lactate in cerebrospinal fluid (CSF) and plasma – method-comparison evaluations

Overview of attention for article published in Arquivos de Neuro-Psiquiatria, July 2014
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Title
Portable lactate analyzer for measuring lactate in cerebrospinal fluid (CSF) and plasma – method-comparison evaluations
Published in
Arquivos de Neuro-Psiquiatria, July 2014
DOI 10.1590/0004-282x20140076
Pubmed ID
Authors

Sérgio Monteiro de Almeida, Jennifer Marquie-Beck, Archana Bhatt, Scott Letendre, Allen McCutchan, Ron Ellis

Abstract

Increased plasma lactate levels can indicate the presence of metabolic disorders in HIV infected individuals. To determine whether a portable analyzer is valid for measuring cerebrospinal fluid (CSF) and plasma lactate levels in HIV infected individuals. CSF and plasma were collected from 178 subjects. Samples tested by the Accutrend portable analyzer were compared to those tested by a reference device (SYNCHRON LX 20). The portable analyzer had in plasma sensitivity of 0.95 and specificity 0.87. For CSF the specificity was 0.95; the sensitivity 0.33; the negative predictive value was 95% and the positive predictive value 33%. These findings support the validity of the portable analyzer in measuring lactate concentrations in CSF that fall within the normal range. The relatively poor positive predictive value indicates that a result above the reference range may represent a "false positive test", and should be confirmed by the reference device before concluding abnormality.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 16 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 16 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 19%
Professor 2 13%
Student > Ph. D. Student 1 6%
Student > Bachelor 1 6%
Professor > Associate Professor 1 6%
Other 1 6%
Unknown 7 44%
Readers by discipline Count As %
Medicine and Dentistry 4 25%
Neuroscience 2 13%
Chemical Engineering 2 13%
Unknown 8 50%