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Comparison of intrathecal dotarizine and nimodipine treatments in cerebral vasospasm after subarachnoid hemorrhage: an experimental study in rabbits.
MedLine Citation:
PMID:  21125446     Owner:  NLM     Status:  In-Process    
BACKGROUND: cerebral vasospasm (CVS) is one of the most considerable complications of subarachnoid hemorrhage (SAH). The aim of this study was to assess and to compare the ability of intrathecal dotarizine and nimodipine to prevent and treat vasospasm in a rabbit model of subarachnoid hemorrhage.
METHOD: thirty male New Zealand white rabbits weighing 2,500-3,000 g were allocated into five groups randomly. The treatment groups were as follows: Control, only SAH, SAH/Dotarizine, SAH/Nimodipine, SAH/Vehicle. Forty-eight hours after SAH injection, all animals underwent femoral artery catheterization procedure by open surgery under anesthesia and angiography performed for each animal in the fifth day just before sacrifice.
FINDINGS: basilar artery vessel diameters are measured by angiography. Basilar artery vessel diameters and luminal sectional areas are measured in pathology slides. There was a statistically significant difference between the mean basilar artery cross-sectional areas and the mean arterial wall thickness measurements of the control and SAH-only groups (p < 0.05).
CONCLUSIONS: these findings demonstrate that calcium channel blocker dotarizine has marked vasodilatory effect in an experimental model of SAH in rabbits. Nimodipine is an effect-proven agent in CVS, but dotarizine may take place of it.
Mehmet Bulent Onal; Ilker Solmaz; Erdinc Civelek; Atilla Kircelli; Ozkan Tehli; Yusuf Izci; Ersin Erdogan; Engin Gonul
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta neurochirurgica. Supplement     Volume:  110     ISSN:  0065-1419     ISO Abbreviation:  Acta Neurochir. Suppl.     Publication Date:  2011  
Date Detail:
Created Date:  2010-12-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100962752     Medline TA:  Acta Neurochir Suppl     Country:  Austria    
Other Details:
Languages:  eng     Pagination:  55-60     Citation Subset:  IM    
Department of Neurosurgery, Gulhane Military Academy, Ugur Mumcunun Sokak, 78/2, 06700, Gaziosmanpasa, Ankara, Turkey.
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