American Journal of Neuroradiology 2007;28:1769.
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American Journal of Neuroradiology
DOI 10.3174/ajnr.A0675
CASE REPORT
Trigeminocardiac Reflex in Embolization of Intracranial Dural Arteriovenous Fistula
From the Beijing Neurosurgical Institute and the Neurointerventional Department, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Please address correspondence to Wu Zhongxue, MD, Beijing Neurosurgical Institute, Neuroradiological Department, No. 6, Tiantan Xili, Beijing, China 100050; e-mail: ttyyzjb{at}sina.com
SUMMARY: We report a case of immediate reproducible and reflexive response of asystole upon stimulation of Onyx injection during embolization of a tentorial dural arteriovenous fistula in a 53-year-old man. Upon recognition of the reflexive relationship between Onyx injection and increased vagal tone, the patient was given anticholinergic in an effort to block cholinergic hyperactivity. After atropine was given, no further dysrhythmias occurred.
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