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Related Experiment Videos

[D-dimer levels in venous thromboembolism].

María José Soto1, Manuel Monreal

  • 1Servicio de Medicina Interna, Hospital Universitario Puerta del Mar, Puerto Real, Cádiz, España. mjsoto@ono.com

Medicina Clinica
|May 28, 2005
PubMed
Summary

D-dimer (DD) testing aids in diagnosing venous thromboembolism (VTE) for low-risk patients. However, its accuracy decreases in moderate to high-risk individuals, necessitating further diagnostic evaluation for reliable VTE assessment.

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Area of Science:

  • Medical Diagnostics
  • Hematology
  • Clinical Pathology

Context:

  • Venous thromboembolism (VTE) presents with nonspecific symptoms, leading to diagnostic challenges.
  • D-dimer (DD) testing is a key screening tool in the evolving VTE diagnostic algorithm.
  • Current research clarifies the role of DD in VTE diagnosis and management.

Purpose:

  • To evaluate the utility and limitations of plasma D-dimer (DD) determination in the diagnostic workup of venous thromboembolism (VTE).
  • To highlight the variability in performance among different DD assays and its impact on clinical decision-making.

Summary:

  • Plasma DD determination is effective for screening VTE in patients with low clinical probability.
  • Higher probabilities of false-negative DD results are observed in patients with moderate to high clinical probability of VTE.
  • The heterogeneity of DD assays necessitates awareness of assay-specific performance for accurate VTE diagnosis.

Impact:

  • Facilitates safer and more cost-effective VTE diagnostic procedures by guiding appropriate test selection.
  • Aims to reduce unnecessary investigations by promoting informed use of DD testing based on clinical probability and assay characteristics.
  • Supports the refinement of clinical management strategies for VTE by emphasizing the importance of assay performance in diagnostic algorithms.

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