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Updated: Mar 1, 2026
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Tail Vein Transection Bleeding Model in Fully Anesthetized Hemophilia A Mice
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Predicting Recovery After Joint Bleeding in Persons With Bleeding Disorders
Gijs Aertssen1, Lize F D van Vulpen1, Wouter Foppen2
1Center For Benign Haematology, Thrombosis and Haemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands.
Haemophilia : the Official Journal of the World Federation of Hemophilia
|February 28, 2026
Summary
Identifying predictors of joint bleed recovery in haemophilia is crucial. Patients with less range of motion limitation and those on emicizumab treatment experienced faster recovery times.
Area of Science:
- Hematology
- Orthopedics
- Pharmacology
Background:
- Joint bleeds in haemophilia significantly impact patients' lives, with variable recovery times.
- Predicting recovery is essential for personalized care, preventing long-term joint damage, and optimizing return to activities.
Purpose of the Study:
- To identify key predictors of recovery duration following joint bleeds in individuals with haemophilia.
Main Methods:
- Analysis of regular care data from haemophilia patients (2016-2025).
- Primary outcome: time to normalization of clinical symptoms.
- Statistical methods included Kaplan-Meier curves and Cox regression, examining variables like joint status, treatment, and emicizumab use.
Main Results:
- Sixty-four joint bleeds in 44 patients were analyzed; 87.9% had haemophilia A.
- Median recovery time was 32.5 days.
- Absence of range of motion limitation predicted 2.3x faster recovery (p=0.007).
- Emicizumab prophylaxis was associated with 2.7x faster recovery compared to factor-prophylaxis (p=0.027).
Conclusions:
- Significant joint range of motion limitation at presentation prolongs recovery.
- Emicizumab treatment in severe haemophilia A patients accelerates recovery post-joint bleed.
- Personalized, extended follow-up beyond one month is recommended for optimal patient management.
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