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Evaluation of a manual technique for detection of neutropenia and thrombocytopenia in dogs receiving chemotherapy

Wyatt, K.M. and Wyatt, G.L. (2002) Evaluation of a manual technique for detection of neutropenia and thrombocytopenia in dogs receiving chemotherapy. Journal of the American Veterinary Medical Association, 220 (12). pp. 1805-1806.

Link to Published Version: http://dx.doi.org/10.2460/javma.2002.220.1805
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Abstract

Objective - To determine accuracy of a manual technique for detection of neutropenia and thrombocytopenia in dogs receiving chemotherapy. Design - Masked prospective study. Animals - 11 dogs treated with chemotherapy for neoplasia. Procedure - 124 blood samples from dogs being treated with chemotherapy for various neoplasms were processed through an automated cell counter, and results were compared with those obtained by use of a rapid manual technique for estimating neutrophil and platelet concentrations to determine whether the manual technique could accurately detect dogs with neutropenia or thrombocytopenia. Results - By use of automated techniques, neutropenia (< 3,000 cells/μl) was detected in 17 of 124 blood samples, and thrombocytopenia (< 100,000 platelets/μl) was detected in 3 of 124 blood samples. The manual technique correctly identified 16 of 17 (94%) blood samples with neutropenia, with a specificity of 92% (98/107). The manual technique correctly identified 3 of 3 (100%) blood samples with thrombocytopenia, with specificity of 94% (114/121). Conclusions and Clinical Relevance - Manual estimates of neutrophil and platelet counts are sensitive and specific; however, a full differential cell count is still preferable.

Item Type: Journal Article
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Publisher: American Veterinary Medical Association
URI: http://researchrepository.murdoch.edu.au/id/eprint/34353
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