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[Information on von Willebrand disease]
1Department of Pediatrics, Nara Prefectural Mimuro Hospital, Nara-pref.
Rinsho Byori. the Japanese Journal of Clinical Pathology
|November 22, 1997
Summary
The International Society of Thrombosis and Haemostasis revised von Willebrand disease (VWD) classification in 1993. New guidelines for diagnosing VWD types 1 and 2N were introduced to refine patient diagnosis.
Area of Science:
- Hematology
- Clinical diagnostics
- Molecular biology
Context:
- The International Society of Thrombosis and Haemostasis (ISTH) established a VWD classification in 1993.
- VWD classification includes quantitative (Type 1), qualitative (Type 2), and deficiency (Type 3) defects.
- Type 2 VWD has subtypes based on VWF-platelet or VWF-FVIII binding.
- Diagnostic criteria for VWD are currently under review by the ISTH.
Purpose:
- To introduce updated diagnostic guidelines for von Willebrand disease (VWD) Type 1 and Type 2N.
- To address the ongoing reconsideration of VWD diagnostic criteria by the ISTH.
- To standardize the diagnosis of specific VWD subtypes within the department.
Summary:
- The 1993 ISTH classification categorizes VWD into Types 1, 2, and 3.
- Type 2 VWD encompasses subtypes 2A, 2B, 2M, and 2N, defined by specific binding defects.
- This work presents new departmental guidelines for diagnosing VWD Type 1 and Type 2N.
Impact:
- Facilitates more accurate and consistent diagnosis of VWD Type 1 and Type 2N.
- Contributes to the refinement of VWD diagnostic criteria.
- Improves patient management through precise VWD subtyping.