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Updated: Feb 25, 2026

Tail Vein Transection Bleeding Model in Fully Anesthetized Hemophilia A Mice
Published on: September 30, 2021
Acquired Inhibitor of Factor VIII Presenting as Delayed Wound Healing
Sushma Nayar1, Kishore Babu Esakkimuthu Parvathi2, Mayilananthi Kaliannan3
1Associate Professor, Department of Pathology, Chettinad Hospital and Research Institute, Rajiv Gandhi Salai, Kelambakkam, Kanchipuram, Chennai, Tamil Nadu, India.
Acquired haemophilia, a rare disorder, can arise from drug use. This case highlights prolonged chlorpromazine use causing a Factor VIII inhibitor, leading to delayed wound healing due to bleeding.
Area of Science:
- Hematology
- Pharmacology
- Immunology
Background:
- Acquired haemophilia is a rare bleeding disorder caused by inhibitors against coagulation Factor VIII (FVIII).
- While often idiopathic, it is associated with autoimmune diseases, cancers, infections, and certain medications.
- Drug-induced FVIII inhibitors are uncommon but significant causes of acquired haemophilia.
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