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|Title:||Myasthenia Gravis in a hospital of reference of the west of Mexico [Miastenia Gravis en un hospital de referencia del occidente de M�xico]|
|Abstract:||Introduction: Myasthenia Gravis (MG) is an autoimmune disease of the neuromuscular junction, which has been more studied in high specialty hospitals in our country's capital city. Objective: To describe the clinical spectrum of MG in a sample of patients from a tertiary referral center of Western M�xico. Material and methods: Consecutive patients were considered if they met diagnostic criteria for MG, seen from 1999 to 2007; considering staging according to the Osserman scale, and information regarding medical or surgical treatment, medical complications and evolution. Results: A total of 43 patients were included, 25 women (58%) and 18 men, with a mean age of 43 years (range: 16 to 47 years). The time from symptoms onset to the moment of diagnosis had a mean of 31 months; nine patients with Osserman I (21%), 14 with IIa (33%), and 19 with IIb (44%). Antibodies against acetylcholine receptor were found in 37% of cases. A total of 27 patients (63%) received prednisone and two (5%) azathrioprine, while thymectomy was performed in 23 patients (53%) with a report of thymus hyperplasia in 52% and thymome in 13%. Global mortality was 16% in a mean follow-up of 60 months. Discussion: MG in our country does not substantially differ from that reported in the medical literature. The seronegative form is highly prevalent probably due to laboratory inconsistencies. There is, on the other hand, an underutilization of the immunesuppressor therapy, and the mortality rate is high, with a tendency to affect to older ages.|
|Appears in Collections:||Producción científica UdeG|
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