Myasthenic crisis in thymoma-associated myasthenia gravis: a multicenter retrospective cohort study.
In: Neuromuscular Disorders, Jg. 33 (2023-10-01), Heft 10, S. 782-787
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Zugriff:
• Duration from onset to the crisis is significantly shorter in TMG patients. • The in-hospital clinical outcome of MC is worse in TMG patients compared with that in non-thymoma-associated MG patients. • MG patients with unresected thymoma had longer hospital stays than that with POMC. Thymoma-associated myasthenia gravis (TMG) had more severe symptoms and worse prognoses in comparison to non-thymoma-associated MG. Thymoma recurrence was frequently associated with transient worsening of MG and even acute respiratory failure, namely myasthenic crisis (MC). However, little is known about the clinical features and outcomes of MC in thymoma-associated MG patients. We performed a retrospective cohort study in MG patients recruited from 9 independent tertiary neuromuscular centers in China from Jan 2015, through Oct 2022. Overall, 156 MC from 149 MG patients with positive anti-acetylcholine receptor (AChR) antibodies were finally analyzed. Next, these patients were divided into two subgroups: the TMG group (n = 60 MCs, 58 patients) and the non-thymoma-associated MG group (n = 96 MCs, 91 patients). Compared with non-thymoma-associated MG, TMG patients had a significantly shorter disease duration from symptom onset to the crisis (17.95±40.9 vs 51.31±60.61 months, P <0.0001), a larger proportion of MGFA IVa as the initial onset clinical classification (6.67% vs 0, P = 0.0205), and a longer hospital stay (39.24±22.09 [6–111] vs. 33.2 ± 23.42 days [7–120]; P = 0.0317) during the crisis. Within the TMG group, the hospital stay was significantly longer in patients with unresected thymoma compared to that in postoperative myasthenic crisis (POMC) (47.68±24.9 [6–111] vs. 34.21±18.87 days [12–82]; P = 0.0257). Early identification of the MG categories may provide some hints in tailoring therapeutic strategies to improve the prognosis. [ABSTRACT FROM AUTHOR]
Titel: |
Myasthenic crisis in thymoma-associated myasthenia gravis: a multicenter retrospective cohort study.
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Autor/in / Beteiligte Person: | Huan, Xiao ; Ruan, Zhe ; Zhao, Rui ; Su, Manqiqige ; Ning, Fan ; Zou, Zhangyu ; Tan, Song ; Luo, Lijun ; Yang, Song ; Shi, Jianquan ; Liu, Yanping ; Jiang, Qilong ; Xi, Jianying ; Chang, Ting ; Luo, Sushan ; Zhao, Chongbo |
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Zeitschrift: | Neuromuscular Disorders, Jg. 33 (2023-10-01), Heft 10, S. 782-787 |
Veröffentlichung: | 2023 |
Medientyp: | academicJournal |
ISSN: | 0960-8966 (print) |
DOI: | 10.1016/j.nmd.2023.09.005 |
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