Muscle & nerve · 2018
Factors predicting remission in thymectomized patients with acetylcholine receptor antibody-positive myasthenia gravis.
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Kim Hyunjin, Lim Young-Min, Lee Eun-Jae, Oh Yeo Jin, Kim Kwang-Kuk
Аннотация
INTRODUCTION: Although thymectomy is an important therapeutic option for myasthenia gravis (MG), factors predicting remission after thymectomy are not well known.
METHODS: We retrospectively reviewed patients with acetylcholine receptor antibody (AChR-Ab)-positive MG who had undergone thymectomy. Prognostic factors predicting remission were investigated. Changes in AChR-Ab titer before and after thymectomy were also evaluated.
RESULTS: Among the 179 patients, 52.5% achieved complete stable or pharmacologic remission. Nonthymomatous pathology and mild preoperative status were favorable predictors of remission. The decrease in AChR-Ab titer after thymectomy was significant in nonthymomatous MG but not in thymomatous MG.
DISCUSSION: Nonthymomatous pathology and mild preoperative status are prognostic factors that may predict remission after thymectomy. The decrease in AChR-Ab titer after thymectomy was significant in nonthymomatous MG but not in thymomatous MG, suggesting that the pathogenic role of the thymus differs according to pathology. Muscle Nerve 58:796-800, 2018.
METHODS: We retrospectively reviewed patients with acetylcholine receptor antibody (AChR-Ab)-positive MG who had undergone thymectomy. Prognostic factors predicting remission were investigated. Changes in AChR-Ab titer before and after thymectomy were also evaluated.
RESULTS: Among the 179 patients, 52.5% achieved complete stable or pharmacologic remission. Nonthymomatous pathology and mild preoperative status were favorable predictors of remission. The decrease in AChR-Ab titer after thymectomy was significant in nonthymomatous MG but not in thymomatous MG.
DISCUSSION: Nonthymomatous pathology and mild preoperative status are prognostic factors that may predict remission after thymectomy. The decrease in AChR-Ab titer after thymectomy was significant in nonthymomatous MG but not in thymomatous MG, suggesting that the pathogenic role of the thymus differs according to pathology. Muscle Nerve 58:796-800, 2018.