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Blepharospasm with elevated anti-acetylcholine receptor antibody titer / Blefaroespasmo com título elevado de anticorpos antirreceptores de acetilcolina
Tang, Min; Li, Wu; Liu, Ping; He, Fangping; Ji, Fang; Meng, Fanxia.
  • Tang, Min; Zhejiang University School of Medicine. First Affiliated Hospital. Department of Neurology. Hangzhou. CN
  • Li, Wu; Tongde Hospital of Zhejiang Province. Zhejiang. CN
  • Liu, Ping; Zhejiang University School of Medicine. First Affiliated Hospital. Department of Neurology. Hangzhou. CN
  • He, Fangping; Zhejiang University School of Medicine. First Affiliated Hospital. Department of Neurology. Hangzhou. CN
  • Ji, Fang; Zhejiang University School of Medicine. First Affiliated Hospital. Department of Neurology. Hangzhou. CN
  • Meng, Fanxia; Zhejiang University School of Medicine. First Affiliated Hospital. Department of Neurology. Hangzhou. CN
Arq. neuropsiquiatr ; 76(8): 522-526, Aug. 2018. tab, graf
Article in English | LILACS | ID: biblio-950582
ABSTRACT
ABSTRACT

Objective:

To determine whether serum levels of anti-acetylcholine receptor antibody (anti-AChR-Abs) are related to clinical parameters of blepharospasm (BSP).

Methods:

Eighty-three adults with BSP, 60 outpatients with hemifacial spasm (HFS) and 58 controls were recruited. Personal history, demographic factors, response to botulinum toxin type A (BoNT-A) and other neurological conditions were recorded. Anti-AChR-Abs levels were quantified using an enzyme-linked immunosorbent assay.

Results:

The anti-AChR Abs levels were 0.237 ± 0.022 optical density units in the BSP group, which was significantly different from the HFS group (0.160 ± 0.064) and control group (0.126 ± 0.038). The anti-AChR Abs level was correlated with age and the duration of response to the BoNT-A injection.

Conclusion:

Patients with BSP had an elevated anti-AChR Abs titer, which suggests that dysimmunity plays a role in the onset of BSP. An increased anti-AChR Abs titer may be a predictor for poor response to BoNT-A in BSP.
RESUMO
RESUMO

Objetivo:

Determinar se os níveis séricos do anticorpo antirreceptor de acetilcolina (anti-AChR-Abs) estão relacionados aos parâmetros clínicos do blefaroespasmo (BSP).

Métodos:

Fora recrutados 83 adultos com BSP, 60 pacientes ambulatoriais com espasmo hemifacial (HFS) e 58 controles. Foi aplicado um questionário para registrar história pessoal, fatores demográficos, resposta à toxina botulínica tipo A (BoNT-A) e outras condições neurológicas. Os níveis de anti-AChR-Abs foram quantificados usando um ensaio imunoenzimático.

Resultados:

O nível de anti-AChR-Abs foi de 0,237 ± 0,022 unidades de densidade óptica (OD) no grupo BSP, significativamente diferente em comparação com o grupo HFS (0,160 ± 0,064) e o grupo controle (0,126 ± 0,038). O nível de anti-AChR-Abs se correlacionou com a idade e a duração da resposta à injeção de BoNT-A.

Conclusão:

Pacientes com BSP apresentaram títulos elevados de anti-AChR-Abs, o que sugere que a desimunidade desempenha um papel no surgimento de BSP. O aumento do título de anti-AChR-Abs pode ser um preditor de resposta insuficiente à BoNT-A em BSP.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Autoantibodies / Blepharospasm / Receptors, Cholinergic / Hemifacial Spasm Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2018 Type: Article Affiliation country: China Institution/Affiliation country: Tongde Hospital of Zhejiang Province/CN / Zhejiang University School of Medicine/CN

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Full text: Available Index: LILACS (Americas) Main subject: Autoantibodies / Blepharospasm / Receptors, Cholinergic / Hemifacial Spasm Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2018 Type: Article Affiliation country: China Institution/Affiliation country: Tongde Hospital of Zhejiang Province/CN / Zhejiang University School of Medicine/CN