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Salort-Campana E, Attarian S. Late-onset myopathies. Curr Opin Neurol 2024:00019052-990000000-00181. [PMID: 39017649 DOI: 10.1097/wco.0000000000001298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
PURPOSE OF REVIEW Late-onset myopathies are defined as muscle diseases that begin after the age of 50 years. Some myopathies present classically in the elderly, whereas others may have a variable age of onset, including late-onset presentation. The purpose of this review is to summarize and comment on the most recent evidence regarding the main diagnosis of late-onset myopathies focusing on genetic causes. RECENT FINDINGS Although late-onset myopathies (LOM) are expected to be predominantly acquired myopathies, some common genetic myopathies, such as facioscapulohumeral muscular dystrophy (FSHD), can present late in life, usually with an atypical presentation. In addition, metabolic myopathies, which are classically early-onset diseases, are also diagnoses to be considered, particularly as they may be treatable. Late-onset multiple acyl-CoA dehydrogenase deficiency (MADD) has recently been identified as a cause of subacute LOM with a dramatic response to riboflavin supplementation. SUMMARY Inclusion body myositis is the most frequent of all LOM. Myotonic dystrophy type 2, FSHD and oculopharyngeal muscular dystrophy are the most frequent causes of genetic LOM. We summarize the major differential diagnoses and the clinical features on clinical examination that are suggestive of a genetic diagnosis to provide a diagnostic approach.
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Affiliation(s)
| | - Shahram Attarian
- Neuromuscular Reference Center PACARARE, La Timone Hospital University, Marseille
- Filnemus, France
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Robert M, Lessard LER, Bouhour F, Petiot P, Fenouil T, Svahn J, Fiscus J, Fabien N, Perard L, Robinson P, Durieu I, Coury F, Streichenberger N, Hot A, Gallay L. Inaugural dropped head syndrome and camptocormia in inflammatory myopathies: a retrospective study. Rheumatology (Oxford) 2024; 63:506-515. [PMID: 37462538 PMCID: PMC10837000 DOI: 10.1093/rheumatology/kead347] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 06/27/2023] [Indexed: 02/03/2024] Open
Abstract
OBJECTIVES Inaugural axial muscle involvement, defined as dropped head syndrome (DHS) and/or camptocormia (CC), is poorly described in inflammatory myopathies (IM). This study aimed to further characterize IM patients with inaugural DHS/CC, their outcome and care management. METHODS This retrospective study included IM patients diagnosed between 2000 and 2021. The main inclusion criterion was IM revealed by axial muscle deficit (DHS/CC). RESULTS Twenty-seven patients were included; median (IQR) age at first symptoms was 66.0 years (55.5-75.0); 21 were female (77.8%). There were nine IBM, 33.3%, nine overlap myositis (OM, 33.3%), five DM, 18.5%, two immune checkpoint inhibitor-related myositis (7.4%), one focal myositis (3.7%) and one myositis with anti-Hu antibodies (3.7%). Age at first symptoms was ≤70 years in 16 patients (59.3%), including all DM patients and 8/9 OM patients (88.9%). In this group, partial remission of the disease was obtained in 9/16 (56.3%) and complete remission in 1/16 patients (6.3%); regression of DHS/CC was achieved in 3/16 patients (18.8%). Conversely, in the group of 11 patients aged >70 years at first symptoms, there were eight IBM (72.7%). Partial remission was obtained in 5/11 patients (45.5%), the disease was stable in 6/11 patients (54.5%); no complete remission was obtained nor regression of DHS/CC. CONCLUSION The analysis of IM patients with inaugural DHS/CC delineates two groups of patients according to the age at first symptoms in terms of clinical and outcome specificities, and proposes an adapted diagnostic and care management approach to prevent long-term complications.
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Affiliation(s)
- Marie Robert
- Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Lola E R Lessard
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
- Laboratoire Physiopathologie et Génétique du Neurone et du Muscle (PGNM), CNRS UMR5261-INSERM U1315, Institut NeuroMyoGène-Université Claude Bernard Lyon 1, Lyon, France
| | - Françoise Bouhour
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Philippe Petiot
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Tanguy Fenouil
- Service de Cytologie et d'Anatomie Pathologique, Département de Neuropathologie, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
- Equipe Ribosome Traduction et Cancer, UMR Inserm 1052 CNRS 5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - Juliette Svahn
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Julie Fiscus
- Service d'Immunologie, UF Autoimmunité, Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Nicole Fabien
- Service d'Immunologie, UF Autoimmunité, Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Laurent Perard
- Service de Médecine Interne, Centre Hospitalier Saint Joseph Saint Luc, Lyon, France
| | - Philip Robinson
- Direction de la Recherche en Santé, Hospices Civils de Lyon, Lyon, France
| | - Isabelle Durieu
- Service de Médecine interne, Hôpital Lyon Sud, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Fabienne Coury
- Département de Rhumatologie, Hôpital Lyon Sud, Hospices civils de Lyon, Pierre-Bénite, France
- Inserm UMR1033, Université Claude Bernard Lyon 1, Lyon, France
| | - Nathalie Streichenberger
- Laboratoire Physiopathologie et Génétique du Neurone et du Muscle (PGNM), CNRS UMR5261-INSERM U1315, Institut NeuroMyoGène-Université Claude Bernard Lyon 1, Lyon, France
- Service de Cytologie et d'Anatomie Pathologique, Département de Neuropathologie, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
| | - Arnaud Hot
- Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Laure Gallay
- Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire Edouard Herriot, Hospices Civils de Lyon, Lyon, France
- Laboratoire Cell Therapy & Musculoskeletal Disorders, Université de Genève, Genève, Switzerland
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