Clinical Focus ›› 2023, Vol. 38 ›› Issue (2): 170-174.doi: 10.3969/j.issn.1004-583X.2023.02.013

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Delayed encephalitis after embolization of brain arteriovenous malformations: A case report and literature review

Dong Siyu1a, Sun Mei1a, Tian Yufei1b, Cheng Hong1a, He Chuan2()   

  1. 1a. Department of Neurology; 1b. Department of Neurosurgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
    2. Department of Rehabilitation Medicine, The Affiliated Jiangsu Shengze Hospital of Nanjing Medical University, Suzhou 215228, China
  • Received:2022-02-08 Online:2023-02-20 Published:2023-03-31
  • Contact: He Chuan E-mail:16062827@qq.com

Abstract:

Objective To investigate the diagnosis and treatment of the rare embolic material-associated encephalitis. Methods Clinical data of a patient with delayed encephalitis after embolization of brain arteriovenous malformations (BAVM) were analyzed retrospectively, and the relevant literature was reviewed. Results The 52-year-old male patient with BAVM developed systemic rash and left-sided weakness within 1 mouth after embolization. The symptoms were gradually worsen after antiviral infection. After excluding other diseases, the patient was considered as delayed encephalitis associated with embolic materials, who was cured by a hormone therapy. Conclusion Endovascular embolization can induce severe delayed inflammatory response in the central nervous system. It is necessary to prolong the postoperative follow-up period of patients.

Key words: intracranial arteriovenous malformations, encephalitis, embolization

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