Clarke C E, Shepherd D I, Yuill G M, Smaje J C, Wilson P B
Department of Neurology, North Manchester General Hospital, UK.
J Neurol Neurosurg Psychiatry. 1991 May;54(5):454-6. doi: 10.1136/jnnp.54.5.454.
In a retrospective case note study of 86 patients with myasthenia gravis, 60 had an anti-acetylcholine receptor antibody assay performed by the regional immunology laboratory. Antibody was detected in 38% which compares with 66-93% in other series. Whilst the use of staphylococcal protein A to precipitate the antibody-receptor complex, rather than anti-human immunoglobulin, may be partly responsible for this low sensitivity, other methodological problems are likely to exist. It is suggested that this potentially critical assay becomes a subject for regular audit.
在一项对86例重症肌无力患者的回顾性病例记录研究中,60例患者接受了地区免疫学实验室进行的抗乙酰胆碱受体抗体检测。检测到抗体的患者占38%,而其他系列研究中的比例为66%-93%。虽然使用葡萄球菌蛋白A沉淀抗体-受体复合物而非抗人免疫球蛋白可能是导致这种低敏感性的部分原因,但可能还存在其他方法学问题。建议将这项可能至关重要的检测作为定期审核的对象。