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[Peroral anticoagulant therapy--are the TT-values reliable?]
H Eilertsen1, A F Asprang, K Ulveland
1Klinisk Kjemisk avdeling Sentralsykehuset i Akershus, Nordbyhagen.
Summary
Specimen collection for Thrombotest analysis impacts results. For accurate warfarin dosing, perform Thrombotest analysis within two hours or after 48 hours post-collection.
Area of Science:
- Clinical Chemistry
- Hematology
- Laboratory Medicine
Context:
- Investigated specimen quality for Thrombotest in Norwegian primary healthcare.
- Addressed variability in Thrombotest values based on collection-to-analysis time.
Purpose:
- Determine the optimal timing for Thrombotest analysis to ensure reliable results.
- Improve quality assurance in primary care laboratory testing.
Summary:
- Blood collected in siliconated glass tubes shows time-dependent Thrombotest value variations.
- Analysis within two hours or delayed until after 48 hours yields reliable results.
Impact:
- Ensures accurate warfarin dosage administration.
- Enhances the reliability of primary healthcare laboratory diagnostics.
- Provides evidence-based guidelines for specimen handling in coagulation testing.