Disease severity of people with cystic fibrosis carrying residual function mutations: Data from the ECFS Patient Registry

医学 囊性纤维化 内科学 新生儿筛查 肺功能测试 疾病 生活质量(医疗保健) 胃肠病学 儿科 护理部
作者
Meir Mei‐Zahav,Annalisa Orenti,A. W. Jung,Elpis Hatziagorou,H.V. Olesen,Eitan Kerem
出处
期刊:Journal of Cystic Fibrosis [Elsevier BV]
卷期号:22 (2): 234-247 被引量:8
标识
DOI:10.1016/j.jcf.2022.07.015
摘要

People with cystic fibrosis carrying residual function (RF) mutations are considered to have a mild disease course. This may influence caregivers and patients on how intensive the treatments should be.Characterize disease severity of patients carrying RF mutations, using the European CF Society Patient Registry (ECFSPR) data.Demographic, clinical characteristics, lung function and death probability of patients carrying at least one RF mutation were analyzed and compared to patients homozygous to minimal function mutations (MF).Of the 44,594 eligible patients (median age 19.5 years, IQR 10-29.8), 6,636 (14.6%) carried RF mutations, and 37,958 (85.1%) MF mutations. Patients carrying RF mutations were older, diagnosed at a later age, had lower sweat chloride at diagnosis and better FEV1pp at each age group. However, their FEV1pp declined with age and rates of chronic Pseudomonas aeruginosa increased with age. A significant number of patients with RF had FEV1pp similar to patients with MF at each age group. 4.5% of RF patients were treated with oxygen and 2.61% had a lung transplant. With increasing age, 26.6% of RF patients were treated with pancreatic enzymes associated with a more severe lung disease. RF patients had shortened life spans, with mortality starting around the age of 20 years.Patients carrying an RF mutations experience a decline of pulmonary function with age, leading to life-shortening. Standard of care therapies and augmenting CFTR function may improve their survival and quality of life.
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