An overview of patients with haemophilia A in China: Epidemiology, disease severity and treatment strategies

医学 血友病 流血 流行病学 血友病A 疾病 儿科 凝血因子 人口统计学的 关节炎 内科学 年轻人 外科 人口学 社会学
作者
Xuewen Song,Jia Zhong,Feng Xue,Ling‐Ling Chen,Huiyuan Li,Donghui Yuan,Jipan Xie,Jun Shi,Lei Zhang,Eric Q. Wu,Renchi Yang
出处
期刊:Haemophilia [Wiley]
卷期号:27 (1) 被引量:24
标识
DOI:10.1111/hae.14217
摘要

Haemophilia A (HA) is a rare X chromosome-linked bleeding disorder resulting in missing or defective clotting factor VIII (FVIII) and causes large disease burden.As a member of World Federation of Hemophilia, China seeks to understand the current epidemiology, disease profile and treatment landscape of patients with HA through the Hemophilia Treatment Center Collaboration Network of China (HTCCNC).The HTCCNC enabled data collection on patients with HA from 166 member hospitals (2007-2019) across China. The distribution of patients across 31 divisions was summarized using a heat map. Patient demographics, disease severity and clinical and treatment information were summarized using descriptive statistics.HTCCNC identified 17,779 patients with HA during 2007-2019. Patients were predominantly male (99.99%), and 28.3% had a known family history of haemophilia. Among patients with lab-measured disease severity (N = 13,116), 6,519 had severe HA (49.7%), 4,788 had moderate HA (36.5%), and 1,809 had mild HA (13.8%). Among patients with information on the delays, delays in diagnosis and in treatment initiation were observed in 1,437 (28.8%) and 1,750 (39.2%) patients, respectively. On average, those patients had an 8.4 years gap between the first bleed and HA diagnosis and a delay of 8.6 years from the first bleed to treatment initiation. Additionally, 44.33% of patients relied solely on episodic treatments, and 16.2% received any prophylaxis treatments.Using data from the largest haemophilia registry in China, this study indicated that delayed diagnosis and treatment, together with low utilization of prophylaxis, are key challenges for patients with HA.
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