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Review: Current Laboratory and Point-of-Care Pharyngitis Diagnostic Testing and Knowledge Gaps.

Bobby L Boyanton^1,2, Jane M Caldwell³, Nathan A Ledeboer⁴

¹Department of Pathology and Laboratory Medicine, Arkansas Children's Hospital, Little Rock, AR, USA.

The Journal of Infectious Diseases

|October 23, 2024

Summary

This study reviews diagnostic tests for pharyngitis, emphasizing nucleic acid amplification tests (NAATs) for rapid diagnosis. It examines factors affecting test performance and prepares for future biomarker research.

Keywords:

diagnostic testing nucleic acid amplifications tests pharyngitis point-of-care

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Remote Laboratory Management: Respiratory Virus Diagnostics

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Published on: April 6, 2019

Area of Science:

Clinical Microbiology
Infectious Diseases
Diagnostic Laboratory Science

Background:

Pharyngitis, an inflammation of the pharynx/tonsils, affects all age groups.
Common causes include viruses and bacteria; fungi and parasites are rare.
Certain etiologies are more prevalent in immunocompromised or unvaccinated individuals.

Purpose of the Study:

To summarize current laboratory and point-of-care diagnostic testing for acute pharyngitis.
To highlight the role of nucleic acid amplification testing (NAAT) in diagnosis and management.
To discuss variables impacting diagnostic test performance and set the stage for biomarker research.

Main Methods:

Review of current diagnostic methods for pharyngitis.
Analysis of preanalytical, analytical, and postanalytical factors influencing test results.
Discussion of culture, rapid antigen detection, and NAAT performance.

Main Results:

Nucleic acid amplification tests (NAATs) are increasingly important for rapid pharyngitis diagnosis.
Test performance is influenced by preanalytical, analytical, and postanalytical variables.
Understanding current diagnostics is crucial for evaluating emerging biomarker roles.

Conclusions:

NAATs offer expedited diagnosis and management of acute pharyngitis.
Careful consideration of all testing variables is essential for accurate results.
Further research into biomarkers will advance pharyngitis management.