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Area of Science:

  • Health Informatics
  • Medical Terminology
  • Evidence-Based Medicine

Background:

  • The widespread adoption of health informatics systems relies on standardized medical terminologies.
  • Systematized Nomenclature of Medicine - Clinical Terms (SNOMED CT) is a prominent example, used globally for decades.
  • However, the empirical evidence supporting its benefits remains limited.

Purpose of the Study:

  • To critically evaluate the evidence base for Health Informatics tools, using SNOMED CT as a case study.
  • To assess the claimed benefits and safety of SNOMED CT in clinical practice.
  • To examine the underlying assumptions of SNOMED CT in relation to evidence-based medicine.

Main Methods:

  • Literature review of studies assessing the impact of SNOMED CT.
  • Comparative analysis of SNOMED CT's conceptual model with principles of evidence-based medicine.
  • Examination of the role of terminologies in replacing professional medical languages.

Main Results:

  • After 60 years, there is a lack of robust evidence demonstrating patient benefits from SNOMED CT.
  • No conclusive evidence exists to support SNOMED CT's safe replacement of established medical languages.
  • SNOMED CT's assumption of universal and stable medical concepts is inconsistent with the dynamic nature of clinical understanding in evidence-based medicine.

Conclusions:

  • The lack of empirical evidence and theoretical inconsistencies may explain the limited success of SNOMED CT.
  • SNOMED CT should be utilized with caution in clinical settings.
  • Replacement of professional medical languages with SNOMED CT requires stronger evidence of its benefits and safety.