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01.12.2012 | Case study | Ausgabe 1/2012 Open Access

Malaria Journal 1/2012

Developing standards for malaria microscopy: external competency assessment for malaria microscopists in the Asia-Pacific

Zeitschrift:
Malaria Journal > Ausgabe 1/2012
Autoren:
Sania Ashraf, Angie Kao, Cecilia Hugo, Eva M Christophel, Bayo Fatunmbi, Jennifer Luchavez, Ken Lilley, David Bell
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1475-2875-11-352) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare they have no competing interests.

Authors’ contributions

AK and SA jointly led the evaluation of the programme, analysis and the writing of this paper. BF and DB coordinated the review process. KL acted as the key facilitator/trainer and technical expert from the commencement of the international assessment process, and provided the reports upon which much of the data here is based. DB, KL, EMC, CH, JL jointly conceived and led programme development, JL, CH, EMC and DB led development of the regional slide bank. All authors reviewed and revised the manuscript. All authors read and approved the final manuscript.

Abstract

Background

Malaria diagnosis has received renewed interest in recent years, associated with the increasing accessibility of accurate diagnosis through the introduction of rapid diagnostic tests and new World Health Organization guidelines recommending parasite-based diagnosis prior to anti-malarial therapy. However, light microscopy, established over 100 years ago and frequently considered the reference standard for clinical diagnosis, has been neglected in control programmes and in the malaria literature and evidence suggests field standards are commonly poor. Microscopy remains the most accessible method for parasite quantitation, for drug efficacy monitoring, and as a reference of assessing other diagnostic tools. This mismatch between quality and need highlights the importance of the establishment of reliable standards and procedures for assessing and assuring quality. This paper describes the development, function and impact of a multi-country microscopy external quality assurance network set up for this purpose in Asia.

Methods

Surveys were used for key informants and past participants for feedback on the quality assurance programme. Competency scores for each country from 14 participating countries were compiled for analyses using paired sample t-tests. In-depth interviews were conducted with key informants including the programme facilitators and national level microscopists.

Results

External assessments and limited retraining through a formalized programme based on a reference slide bank has demonstrated an increase in standards of competence of senior microscopists over a relatively short period of time, at a potentially sustainable cost. The network involved in the programme now exceeds 14 countries in the Asia-Pacific, and the methods are extended to other regions.

Conclusions

While the impact on national programmes varies, it has translated in some instances into a strengthening of national microscopy standards and offers a possibility both for supporting revival of national microcopy programmes, and for the development of globally recognized standards of competency needed both for patient management and field research.
Zusatzmaterial
Authors’ original file for figure 1
12936_2012_2502_MOESM1_ESM.pdf
Authors’ original file for figure 2
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Authors’ original file for figure 3
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Authors’ original file for figure 4
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Authors’ original file for figure 5
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Literatur
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