{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T19:00:37Z","timestamp":1787857237046,"version":"build-2784847793"},"reference-count":42,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T00:00:00Z","timestamp":1701129600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Euro J of Neurology"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Fatty\u2010acid oxidation disorders (FAODs) are recessive genetic diseases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>We report here clinical and paraclinical data from a retrospective study of 44 adults with muscular FAODs from six French reference centers for neuromuscular or metabolic diseases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The study cohort consisted of 44 adult patients: 14 with carnitine palmitoyl transferase 2 deficiency (32%), nine with multiple acyl\u2010CoA deficiency (20%), 13 with very long\u2010chain acyl\u2010CoA dehydrogenase deficiency (30%), three with long\u2010chain 3\u2010hydroxyacyl\u2010CoA dehydrogenase deficiency (7%), and five with short\u2010chain acyl\u2010CoA dehydrogenase deficiency (11%). Disease onset occurred during childhood in the majority of patients (59%), with a mean age at onset of 15\u2009years (range\u2009=\u20090.5\u201335) and a mean of 12.6\u2009years (range\u2009=\u20090\u201358) from disease onset to diagnosis. The principal symptoms were acute muscle manifestations (rhabdomyolysis, exercise intolerance, myalgia), sometimes associated with permanent muscle weakness. Episodes of rhabdomyolysis were frequent (84%), with a mean creatinine kinase level of 68,958\u2009U\/L (range\u2009=\u2009660\u2013300,000). General metabolic complications were observed in 58% of patients, respiratory manifestations in 18% of cases, and cardiological manifestations in 9% of cases. Fasting acylcarnitine profile was used to orient genetic explorations in 65% of cases. After a mean follow\u2010up of 10\u2009years, 33% of patients were asymptomatic and 56% continued to display symptoms after exercise. The frequency of rhabdomyolysis decreased after diagnosis in 64% of cases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A standardized register would complete this cohort description of muscular forms of FAODs with exhaustive data, making it possible to assess the efficacy of therapeutic protocols in real\u2010life conditions and during the long\u2010term follow\u2010up of patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ene.16138","type":"journal-article","created":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T18:59:17Z","timestamp":1701197957000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Long\u2010term prognosis of fatty\u2010acid oxidation disorders in adults: Optimism despite the limited effective therapies 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