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Pulmonary Tuberculosis IV01:26

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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
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Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model
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How Will New Guidelines Affect CD4 Testing in Veterans With HIV?

Paul G Barnett1,2,3, Susan K Schmitt1, Wei Yu1,3

  • 1Health Economics Resource Center, Veterans Affairs Palo Alto Health Care System, Menlo Park.

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|April 6, 2016
PubMed
Summary

Reducing routine CD4 testing for human immunodeficiency virus (HIV)-infected patients with controlled viral loads can save costs without impacting care quality. Further reductions in CD4 monitoring are warranted.

Keywords:
CD4 testingHIVcostguidelinesveterans

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Area of Science:

  • Infectious Diseases
  • Immunology
  • Public Health

Background:

  • Current guidelines advocate for limited routine CD4 cell count testing in human immunodeficiency virus (HIV)-infected patients who have achieved viral control and are not immunocompromised.
  • This shift aims to optimize resource allocation and patient management.

Purpose of the Study:

  • To evaluate trends in CD4 testing frequency and associated costs among HIV-infected patients within the US Department of Veterans Affairs healthcare system.
  • To assess the number, cost, and results of CD4 tests deemed optional or minimal under updated guidelines.

Main Methods:

  • A retrospective analysis of CD4 and viral load tests from 28,530 HIV-infected patients receiving care between 2009 and 2013.
  • Categorization of patients based on eligibility for optional or minimal CD4 monitoring according to established guidelines.

Main Results:

  • CD4 testing frequency decreased by 10.8% over four years, yielding annual cost savings of approximately US$196,000.
  • Full guideline implementation could further reduce CD4 testing by 28.9%, saving an additional US$600,000 annually.
  • CD4 counts below 200 cells/µL were rare during periods of reduced monitoring (1.1% for minimal, 0.3% for optional).

Conclusions:

  • Reducing CD4 monitoring in well-controlled HIV patients offers modest cost savings and may decrease patient anxiety with minimal impact on care quality.
  • While significant progress has been made in reducing optional CD4 testing, further reductions are advisable.