Factors associated with the effectiveness of plasma exchange for the treatment of NMO-IgG-positive neuromyelitis optica spectrum disorders

被引:49
作者
Lim, Young-Min [1 ]
Pyun, So Young [1 ]
Kang, Bong-Hui [1 ]
Kim, Jimin [1 ]
Kim, Kwang-Kuk [1 ]
机构
[1] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Neurol, Seoul 138736, South Korea
关键词
Plasma exchange; neuromyelitis optica spectrum disorders; prognostic factors; neuromyelitis optica-IgG; CNS DEMYELINATION; ATTACKS; PREDICTORS;
D O I
10.1177/1352458512471875
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
To identify factors associated with plasma exchange response in neuromyelitis optica (NMO) spectrum disorders, the clinical and magnetic resonance imaging (MRI) features of 31 NMO-IgG-positive patients receiving plasma exchange for steroid-resistant exacerbations were analyzed. Functional improvement was observed in 65% of the patients. A lower baseline Expanded Disability Status Scale score was associated with favorable response (p = 0.040). Patients without cord atrophy had a higher success rate than patients with atrophy (p = 0.016). Levels of NMO-IgG did not differ between responders and non-responders before and after plasma exchange. In conclusion, a minimal pre-existing disability is the primary determinant of the effectiveness of plasma exchange.
引用
收藏
页码:1216 / 1218
页数:3
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