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Neurocrit Care. 2012 Oct;17(2):245-9. doi: 10.1007/s12028-012-9737-6.

Intra-arterial dantrolene for refractory cerebral vasospasm after aneurysmal subarachnoid hemorrhage.

Author information

1
Zeenat Qureshi Stroke Research Center, University of Minnesota, Minneapolis, MN, USA. drsmajidi@gmail.com

Abstract

BACKGROUND:

Intravenous dantrolene has been used to prevent and treat cerebral vasospasm. We report a case of refractory cerebral vasospasm treated with intra-arterial dantrolene after aneurysmal subarachnoid hemorrhage.

METHODS:

A 56-year-old woman suffered a diffuse subarachnoid hemorrhage from a ruptured anterior communicating artery aneurysm which was successfully treated with coil embolization. She subsequently developed bilateral severe angiographic vasospasm which was treated with intra-arterial vasodilators. However, owing to the recurrence of vasospasm, intra-arterial dantrolene followed by balloon angioplasty was used.

RESULTS:

There was moderate improvement of the severe vasospasm in bilateral A1 segments of the anterior cerebral arteries after microcatheter-based intra-arterial infusion of 30 ml (1 mg/ml) dantrolene. Patient's hemodynamic parameters were monitored during and after the procedure and no significant changes were seen after dantrolene infusion. A follow up cerebral angiogram after 1 day demonstrated the persistence of therapeutic effect.

CONCLUSION:

Intra-arterial dantrolene induced a sustained improvement in cerebral vasospasm secondary to ruptured aneurysm. No significant side effects were observed during or after the infusion of the drug.

PMID:
22815125
DOI:
10.1007/s12028-012-9737-6
[Indexed for MEDLINE]
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