期刊
RHEUMATOLOGY
卷 60, 期 3, 页码 1234-1242出版社
OXFORD UNIV PRESS
DOI: 10.1093/rheumatology/keaa443
关键词
IVIG; dysphagia; idiopathic inflammatory myopathies; fibreoptic endoscopic evaluation of swallowing; FEES; myositis; polymyositis; dermatomyositis; necrotizing myopathy; inclusion body myositis; anti-synthetase syndrome
类别
This study evaluated the efficacy of a step-up strategy involving IVIG added to immunosuppressants for treating refractory dysphagia in IIM patients. The results showed improvements in dysphagia symptoms after three months of IVIG treatment, with stable or further improvement at the 52-week follow-up. The study also observed improvements in muscle strength and a steroid-sparing effect of IVIG in these patients.
Objective: Dysphagia is a life-threating manifestation of idiopathic inflammatory myopathies (IIM). However, we lack a univocal protocol for its treatment. The aim of this retrospective analysis was to evaluate the effectiveness of a step-up strategy by adding a 1-day pulse of IVIGs to immunosuppressants in IIM patients with refractory dysphagia diagnosed by Eating Assessment Tool (EAT)-10 and fibreoptic endoscopic evaluation of swallowing (FEES). Methods: Dysphagia was defined as a pharyngo-oesophageal disturbance associated with EAT-10 score >= 3 and at least one FEES abnormality among propulsion failure, solid or liquid stasis. Eighteen out of 154 IIM patients had FEES-confirmed dysphagia and underwent 1 day IVIG 2 g/kg repeated 1 month apart for 3 months, because of dysphagia refractory to high-dose glucocorticoids with methotrexate and/or azathioprine. Clinical characteristics along with myositis-specific antibodies and muscle histopathological findings were studied in FEES-dysphagia IIM and IIM control patients. Results: After three monthly doses of IVIG, EAT-10 score dropped with complete recover of defective propulsion and progressive decrease in percentage of both solid and liquid stasis. At 52-weeks' follow-up, reached in 12 patients, all these parameters were stable or further improved. An improvement in manual muscle strength test and a steroid-sparing effect of IVIG were also observed. Anti-PM/Scl 75/100 antibodies were much more frequent in the FEES-dysphagia group, while anti-Jo1 antibody was rarely detected. Conclusion: Our treatment schedule with 2 g/kg IVIG was effective for IIM-associated refractory dysphagia assessed by the combination of EAT-10 and FEES. These findings need to be prospectively tested in a larger cohort of IIM patients.
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