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Annals of Saudi Medicine. 2008; 28 (5): 341-345
en Inglés | IMEMR | ID: emr-94420

RESUMEN

Few studies have attempted to delineate the clinical profile of myasthenia gravis [MG] among people of Arab ancestry. Therefore, we sought to clarify the clinical profile, the outcome of treatment and the role of thymectomy in non-thymomatous MG in Saudi Arabia. We retrospectively studied 104 patients followed over a mean period of 7.2 years [range, 1 to 22 years] at the King Khaled University Hospital, Riyadh, Saudi Arabia. Disease outcomes were compared among thymectomized and non-thymectomized patients according to the post-intervention status criteria of the Myasthenia Gravis Foundation of America [MGFA]. Age of onset was 22.5 +/- 9.3 years [mean +/- SD] in females and 28.2 +/- 15.9 years in males, with peaks in the second and third decades among females and the third and fourth decades among males. At diagnosis, a majority of patients had moderate generalized weakness, equivalent to MGFA class III severity. After medical treatment with or without thymectomy, 9.6% of all patients had achieved complete stable remission, 3.8% had pharmacological remission, 27.9% had minimal manifestations, 23.1% were improved, 20.2% were unchanged and 15.4% were worse. Only thymectomized patients without a thymoma achieved remission, a significant benefit over those who had no thymectomy [P=.02]. MG presents at a younger age among Saudi Arabs compared to other racial groups. Thymectomy conferred significant benefits towards achievement of remission


Asunto(s)
Humanos , Masculino , Femenino , Miastenia Gravis/etnología , Miastenia Gravis/terapia , Resultado del Tratamiento , Timectomía , Estudios Retrospectivos , Inducción de Remisión/métodos , Árabes , Edad de Inicio , Índice de Severidad de la Enfermedad
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