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A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
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A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
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Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
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Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
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Does diagnostic testing always decrease antibiotics prescriptions?

F Antoñanzas1, C A Juárez-Castelló1, R Rodríguez-Ibeas2

  • 1Department of Economics, University of La Rioja, La Cigüeña 60, 26006, Logrono, Spain.

The European Journal of Health Economics : HEPAC : Health Economics in Prevention and Care
|August 3, 2022
PubMed
Summary

Point-of-care diagnostic testing (POCT) may not always decrease antibiotic prescriptions, despite improving health outcomes. Overprescribing antibiotics remains a concern, necessitating careful evaluation of POCT implementation strategies.

Keywords:
AntibioticsAntimicrobial resistancesDiagnostic testsInfectious diseasesPrescriptions

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Area of Science:

  • Health Economics
  • Infectious Disease Management
  • Diagnostic Technology

Background:

  • Antibiotic overprescription in community settings drives antimicrobial resistance (AMR).
  • Point-of-care diagnostic testing (POCT) is proposed as a strategy to reduce antibiotic prescriptions.

Purpose of the Study:

  • To analyze whether the implementation of POCT consistently leads to a decrease in antibiotic prescriptions.
  • To model the economic interactions between POCT manufacturers and healthcare providers with varying AMR concerns.

Main Methods:

  • Development of a stylized static theoretical economic model.
  • Analysis of a scenario involving doctors with differing AMR concerns and a POCT-selling firm.
  • Characterization of manufacturer pricing and physician adoption of POCT.

Main Results:

  • Antibiotic prescriptions do not always decrease with POCT use.
  • Prescription rates depend on the distribution of physician AMR concern and patient need.
  • POCT adoption can increase prescriptions if patient need for antibiotics is high and physician behavior change is limited.
  • POCT use was found to improve overall patient health outcomes.

Conclusions:

  • The assertion that POCT universally reduces antibiotic prescriptions requires careful consideration.
  • Situations exist where POCT implementation may paradoxically lead to an increase in antibiotic prescribing.
  • While POCT improves health outcomes, its impact on antibiotic stewardship is complex and context-dependent.