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Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Published on: October 31, 2010

A quality management systems approach for CD4 testing in resource-poor settings.

Larry E Westerman¹, Luciana Kohatsu, Astrid Ortiz

¹International Laboratory Branch, Global AIDS Program, National Center for Global Health, US Centers for Disease Control and Prevention, Atlanta, GA 30329, USA.

American Journal of Clinical Pathology

|September 22, 2010

Summary

Implementing a robust quality assurance (QA) program is crucial for accurate CD4 T-cell counts, essential for HIV treatment monitoring. This article outlines key QA components for reliable CD4 testing in diverse settings, especially resource-limited areas.

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Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

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Published on: October 31, 2010

An Affordable HIV-1 Drug Resistance Monitoring Method for Resource Limited Settings

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Published on: March 30, 2014

The α-test: Rapid Cell-free CD4 Enumeration Using Whole Saliva

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Published on: May 16, 2012

Area of Science:

Clinical Laboratory Science
Immunology
Public Health

Background:

Accurate CD4 T-cell counts are vital for managing HIV infection and monitoring antiretroviral therapy effectiveness.
CD4 testing has significantly expanded, particularly in resource-limited settings, increasing the need for standardized quality assurance.
Existing quality assurance frameworks require adaptation to ensure reliable CD4 testing in varied environments.

Purpose of the Study:

To describe the fundamental components of a laboratory quality assurance (QA) program for CD4 T-cell testing.
To provide guidelines for establishing and maintaining reliable CD4 testing procedures in diverse settings, including resource-limited areas.
To emphasize the importance of a systematic approach to QA for ensuring accurate and precise CD4 determinations.

Main Methods:

Systematic review of essential quality assurance components in clinical laboratory practices.
Description of procedures for functional laboratory environment, personnel competency, equipment maintenance, and supply management.
Explanation of internal quality monitoring, external quality assessments, and accurate reporting mechanisms for CD4 testing.

Main Results:

A comprehensive QA program encompasses a safe environment, competent staff, maintained equipment, adequate supplies, specimen integrity, internal/external quality control, and accurate reporting.
These components collectively ensure the precision and accuracy of CD4 T-cell counts.
The described QA framework is applicable to various settings, supporting the expansion of HIV monitoring.

Conclusions:

A well-defined quality assurance program is indispensable for reliable CD4 T-cell testing.
Implementing these QA principles supports effective HIV/AIDS management, particularly in resource-limited settings.
Collaboration among laboratory staff, program managers, and supporting agencies is essential for successful CD4 testing programs.