National Center on Birth Defects and Developmental Disabilities Atlanta

United States

National Center on Birth Defects and Developmental Disabilities Atlanta

United States
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Ullman M.,University of Texas Health Science Center at Houston | Grosse S.D.,National Center on Birth Defects and Developmental Disabilities Atlanta | Recht M.,Oregon Health And Science University
Haemophilia | Year: 2017

Introduction: Prophylaxis is considered the optimal treatment for persons with moderate to severe haemophilia (factor activity between 1-5% of normal and <1% of normal respectively) in countries where safe factor concentrates are available and economically feasible. Historically, prophylactic treatment has not been well studied in the haemophilia B (HB) population due to difficulties in obtaining a sufficiently large sample. Aim: This study examines the prevalence of prophylaxis use among a robust sample of persons with HB in the United States and its association with specific demographic and clinical characteristics. Methods: Using data collected between 1998 and 2011 for the Centers for Disease Control and Prevention's Universal Data Collection project, we analysed data on 2428 males with moderate to severe HB aged 2-79 years who were seen at 135 federally funded haemophilia treatment centres. Results: Prevalence of prophylactic treatment in our sample was 35% among children and youth (ages 2-19) and 14% among adults (age 20 and older). Increased HB prophylaxis use was significantly associated with younger age (<40 years), Hispanic ethnicity, severe disease and self-infusion, while decreased use was associated with above-normal body mass index (BMI) in adults. Health care coverage was vital, although type of coverage did not appear to influence access. Conclusions: Our analysis confirms previous reports of lower prevalence of prophylaxis use among individuals with HB compared to those with haemophilia A and adds to the body of knowledge regarding treatment patterns among a historically understudied population. © 2017 John Wiley & Sons Ltd.

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