Brief Report

Assessment of International Consensus Group for Haematology smear review rules among patients with Plasmodium falciparum malaria in Johannesburg, South Africa

Jenifer L. Vaughan, Nazeer Alli, Sandra Havyarimana, Estee Benade
African Journal of Laboratory Medicine | Vol 7, No 1 | a715 | DOI: https://doi.org/10.4102/ajlm.v7i1.715 | © 2018 Jenifer L. Vaughan, Nazeer Alli, Sandra Havyarimana, Estee Benade | This work is licensed under CC Attribution 4.0
Submitted: 10 November 2017 | Published: 29 November 2018

About the author(s)

Jenifer L. Vaughan, Department of Molecular Medicine and Haematology, University of the Witwatersrand, Johannesburg, Gauteng, South Africa; and, Department of Haematology, Chris Hani Baragwanath Academic Hospital, Johannesburg, Gauteng, South Africa
Nazeer Alli, Department of Molecular Medicine and Haematology, University of the Witwatersrand, Johannesburg, Gauteng, South Africa; and, Department of Haematology, Chris Hani Baragwanath Academic Hospital, Johannesburg, Gauteng, South Africa
Sandra Havyarimana, Excellent Medical Laboratory Services, Oshakati, Oshana, Namibia
Estee Benade, Department of Molecular Medicine and Haematology, University of the Witwatersrand, Johannesburg, Gauteng, South Africa; and, Department of Haematology, Chris Hani Baragwanath Academic Hospital, Johannesburg, Gauteng, South Africa


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Abstract

A peripheral blood smear review is a useful but labour intensive adjunct to the full blood count and differential count. In this study, we retrospectively evaluated the performance of the International Consensus Group for Haematology smear review rules for detection of malaria in 153 samples with Plasmodium falciparumparasitaemia. Review rules were triggered in 132 (86.3%) samples, including all patients with severe malaria. Of the 21 false negative samples, 14 (66.7%) had haemoglobin values ≥ 10g/dl and platelets > 120x109/l.


Keywords

smear review rules; malaria

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