Evaluation of the proficiency of trained non-laboratory health staffs and laboratory technicians using a rapid and simple HIV antibody testReportar como inadecuado




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AIDS Research and Therapy

, 2:5

First Online: 20 May 2005Received: 28 January 2005Accepted: 20 May 2005

Abstract

In Cambodia, nearly half of pregnant women attend antenatal care ANC, which is an entry point of services for prevention of mother-to-child transmission of HIV PMTCT. However, most of ANC services are provided in health centres or fields, where laboratory services by technicians are not available. In this study, those voluntary confidential counselling and testing VCCT counsellors involved in PMTCT were trained by experienced laboratory technicians in our centre on HIV testing using Determine Abbot Laboratories HIV1-2 test kits through a half-day training course, which consisted of use of a pipette, how to process whole blood samples, and how to read test result. The trained counsellors were midwives working for ANC and delivery ward in our centre without any experience on laboratory works. The objective of this study was to assess the feasibility of the training by evaluating the proficiency of the trained non-laboratory staffs. The trained counsellors withdrew blood sample after pre-test counselling following ANC, and performed the rapid test. Laboratory technicians routinely did the same test and returned reports of the test results to counsellors. Reports by the counsellors and the laboratory technicians were compared, and discordant reports in two groups were re-tested with the same rapid test kit using the same blood sample. Cause of discordance was detected in discussion with both groups. Of 563 blood samples tested by six trained VCCT counsellors and three laboratory technicians, 11 samples 2.0% were reported positive in each group, however four discordant reports 0.7% between the groups were observed, in which two positive reports and two negative reports by the counsellors were negative and positive by the laboratory technicians, respectively. Further investigation confirmed that all the reports by the counsellors were correct, and that human error in writing reports in the laboratory was a cause of these discordant reports. These findings lead us the conclusion that the half-day training using the rapid and simple test was feasible for non-laboratory staffs to attain enough proficiency to implement VCCT services for PMTCT in resource-limited settings, and that human error was more likely to occur in laboratory before giving reports to counsellors.

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Autor: Koum Kanal - Thai Leang Chou - Ly Sovann - Yasuo Morikawa - Yumi Mukoyama - Kazuhiro Kakimoto

Fuente: https://link.springer.com/



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