Precision Diagnosis and Prospective Cohort Study for Myasthenia Gravis: Multicenter Analysis in China
The present study is a prospective cohort study aiming to improve the clinical capacity in the diagnosis and natural history of Chinese patients with myasthenia gravis (MG). 300 MG patients are planned to recruit, document and prospectively follow up. Management of screening test and cohort manifestation are studied.
• fluctuating muscle weakness and fatigability, along with one of the below:
• more than 10% amplitude decrement in low frequency repetitive nerve stimulation,less than 10% amplitude increment in high frequency repetitive nerve stimulation;
• anti-AChR or MuSK antibody positivity;
• positive to the neostigmine test;
• understanding and assigning the informed consent form, and having a good compliance with the follow up.