J Korean Neurosurg Soc.  2023 Mar;66(2):205-210. 10.3340/jkns.2022.0139.

Delayed Cerebral Ischemia after Embolization in Ruptured Spinal Arteriovenous Fistula with Subarachnoid Hemorrhage : A Case Report

• Sani AF
• Kurniawan D
• Hamdan M
• Swatan JP

• KMID: 2539882
• DOI: http://doi.org/10.3340/jkns.2022.0139

Abstract

Delayed cerebral ischemia (DCI) remains a devastating complication in subarachnoid hemorrhage (SAH), however, there were no present reports that is associated with a ruptured spinal arteriovenous fistula (sAVF). We would like to present a rare case of DCI following embolization of a ruptured perimedullary sAVF. Initially, the patient clinical symptoms mimic a SAH caused by a ruptured intracranial aneurysm. Further evaluation revealed that the SAH was caused by a ruptured perimedullary sAVF and the patient’s condition improved following the embolization procedure. Three days later, the patient developed an acute left-sided facial and motor weakness, which persisted until the patient was discharged on the day-15 onset. A magnetic resonance imaging and angiography is performed 1.5 years after discharge and revealed no signs of cerebral infarction and hemorrhage. In this paper, we reported DCI after embolization in a ruptured sAVF with SAH, supported by evidence from the current literature. We would like to also stress the importance of complete spinal and cerebral vessel imaging to reveal the underlying abnormalities and determine the most appropriate intervention.

Keyword

Cerebral infarction; Therapeutic embolization; Subarachnoid hemorrhage; Arteriovenous fistula, spine

Figure

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  Fig. 1. An axial non-contrast head computed tomography-scan revealed subarachnoid hemorrhage in the left pontomedullary junction (arrow).

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  Fig. 2. A cerebral digital subtraction angiography in anteroposterior and oblique view following injection from left vertebral artery revealed a spinal arteriovenous fistula (sAVF) (red circle) with feeding artery from anterior spinal artery (yellow arrow) and drains to perimedullary vein (orange arrow) revealed the sAVF before embolization (A and B), during embolization procedure using N-buytl-2-cyanoacrylate (Histoacryl®; B-Braun, Melsungen, Germany) in a single super-selective injection (white arrow, microcatheter tip) of the arterial feeder (C and D), and complete obliteration after embolization procedure (E and F).

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  Fig. 3. Axial fluid-attenuated inversion recovery-sequence (A-C), coronal (D), and sagittal T2 (E) sequence of brain magnetic resonance imaging with contrast; and magnetic resonance angiography of cerebral blood vessels (F) conducted 1.5 years after the onset of delayed cerebral ischemia revealed no lesions or vascular abnormalities.

Reference

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