American journal of physical medicine & rehabilitation · 2020
Natural History of Serum Enzyme Levels in Duchenne Muscular Dystrophy and Implications for Clinical Practice.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Rodríguez-Cruz Maricela, Almeida-Becerril Tomas, Atilano-Miguel Salvador, Cárdenas-Conejo Alan, Bernabe-García Mariela
Аннотация
OBJECTIVE: In Duchenne muscular dystrophy, creatine kinase and transaminases are released into the circulation, indicating muscle injury. Their usefulness in monitoring muscle injury or disease progression has not yet been fully evaluated. Thus, this study examined serum creatine kinase and transaminase concentrations at different ages in patients with Duchenne muscular dystrophy and evaluated their association with muscle injury.
DESIGN: This is a prospective cohort study that included 110 patients with Duchenne muscular dystrophy categorized by age groups. Creatine kinase and transaminases were quantified in the serum; the Vignos scale evaluated the muscle function.
RESULTS: Creatine kinase and transaminase levels were higher in ambulatory than that in nonambulatory patients, which significantly decreased as age increased. Serum creatine kinase and transaminase concentrations were elevated in all ages, and those aged 3-4 yrs had the highest concentrations. Age and Vignos Scale were significantly correlated with creatine kinase and transaminase concentrations. Age, creatine kinase, and transaminases explained the 42.5% of loss of muscle function.
CONCLUSIONS: This study added the knowledge on the natural history of Duchenne muscular dystrophy at different ages and confirmed that creatine kinase and transaminases decrease with age and loss of muscle function, making them generally inappropriate for monitoring response to therapy, although they are useful for the clinical diagnosis.
DESIGN: This is a prospective cohort study that included 110 patients with Duchenne muscular dystrophy categorized by age groups. Creatine kinase and transaminases were quantified in the serum; the Vignos scale evaluated the muscle function.
RESULTS: Creatine kinase and transaminase levels were higher in ambulatory than that in nonambulatory patients, which significantly decreased as age increased. Serum creatine kinase and transaminase concentrations were elevated in all ages, and those aged 3-4 yrs had the highest concentrations. Age and Vignos Scale were significantly correlated with creatine kinase and transaminase concentrations. Age, creatine kinase, and transaminases explained the 42.5% of loss of muscle function.
CONCLUSIONS: This study added the knowledge on the natural history of Duchenne muscular dystrophy at different ages and confirmed that creatine kinase and transaminases decrease with age and loss of muscle function, making them generally inappropriate for monitoring response to therapy, although they are useful for the clinical diagnosis.