Evaluation of the CellaVision DM96 advanced RBC application for screening and follow-up of malaria infection

Evaluation of the CellaVision DM96 advanced RBC application for screening and follow-up of... CellaVision DM96 is a digital cell morphology system for automated classification of white and red blood cells. CellaVision Advanced RBC application (ARBCA) pre-classifies RBC in 21 categories, including parasitized RBC, and allows re-classification by the operator. In this study, the performance of the software for detection of malaria and calculation of parasitemia was evaluated and compared to microscopy (n=40). For CellaVision, both pre- and post-reclassification results were evaluated. Sensitivity was moderate, even post-reclassification (72%), due to low numbers of analyzed RBC and limited resolution of photographs. CellaVision results correlated with microscopy according to Passing-Bablok analysis, with slightly lower values for CellaVision. Within-run, between-run and inter-observer variability were acceptable. The low sensitivity of CellaVision ARBCA precludes its use as a screening technique for malaria. However, due to its good correlation with microscopy and short turn-around-times, it may be useful in follow-up of parasitemia. Larger studies are required to confirm these findings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Diagnostic Microbiology and Infectious Disease Elsevier

Evaluation of the CellaVision DM96 advanced RBC application for screening and follow-up of malaria infection

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Inc.
ISSN
0732-8893
D.O.I.
10.1016/j.diagmicrobio.2017.12.002
Publisher site
See Article on Publisher Site

Abstract

CellaVision DM96 is a digital cell morphology system for automated classification of white and red blood cells. CellaVision Advanced RBC application (ARBCA) pre-classifies RBC in 21 categories, including parasitized RBC, and allows re-classification by the operator. In this study, the performance of the software for detection of malaria and calculation of parasitemia was evaluated and compared to microscopy (n=40). For CellaVision, both pre- and post-reclassification results were evaluated. Sensitivity was moderate, even post-reclassification (72%), due to low numbers of analyzed RBC and limited resolution of photographs. CellaVision results correlated with microscopy according to Passing-Bablok analysis, with slightly lower values for CellaVision. Within-run, between-run and inter-observer variability were acceptable. The low sensitivity of CellaVision ARBCA precludes its use as a screening technique for malaria. However, due to its good correlation with microscopy and short turn-around-times, it may be useful in follow-up of parasitemia. Larger studies are required to confirm these findings.

Journal

Diagnostic Microbiology and Infectious DiseaseElsevier

Published: Apr 1, 2018

References

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