What Is Hemophilia A?
May 15, 2022
Source: Cainiu Health
Dr. Li Man
Introduction
Hemophilia A is a group of congenital bleeding disorders caused by defective production of coagulation factor VIII (not factor IX; correction: Hemophilia A is due to factor VIII deficiency, whereas Hemophilia B is due to factor IX deficiency). Deficiency of coagulation factor VIII is termed hemophilia A, an X-linked recessive genetic disorder. This condition predominantly affects males, while females are typically asymptomatic carriers. The incidence of hemophilia A is significantly higher—approximately six times that of hemophilia B. Bleeding from major wounds or minor mucosal injuries requires replacement therapy.
In daily life, some individuals develop existing illnesses—either congenital or acquired—that impact their physical health. So, what exactly is Hemophilia A?
What Is Hemophilia A?
Hemophilia A is a group of inherited bleeding disorders caused by deficiencies in clotting factor VIII (not factor IX, which is associated with Hemophilia B). Specifically, Hemophilia A results from a deficiency of clotting factor VIII and is an X-linked recessive genetic disorder. It predominantly affects males, while females typically serve as asymptomatic carriers. The incidence of Hemophilia A is approximately six times higher than that of Hemophilia B. Its most prominent clinical manifestation is spontaneous bleeding or excessive bleeding following minor trauma. Bleeding may occur in various sites, including joints, subcutaneous tissues, or muscles; retroperitoneal or lumbar spinal hematomas; gastrointestinal tract; and genitourinary tract—including upper gastrointestinal bleeding and hematuria.
Local hemostatic measures are generally employed for patients: for minor skin wounds or epistaxis, absorbable gelatin sponge, hemostatic fibers, cotton balls, topical hemostatic agents, or thrombin may be used. However, for major wounds or minor mucosal injuries, compression and local hemostasis are often ineffective, necessitating replacement therapy.
For joint bleeding, early replacement therapy is currently recommended. Patients should prioritize rest, avoid frequent late-night activity, and ensure adequate sleep. Diet should emphasize light, easily digestible foods, while minimizing intake of greasy or spicy, irritating foods. We hope this information proves helpful to you!
