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 ORIGINAL ARTICLE
Year : 2003  |  Volume : 51  |  Issue : 2  |  Page : 197--202

Intraventricular sodium nitroprusside therapy: A future promise for refractory subarachnoid hemorrhage-induced vasospasm


1 Departments of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh-160012, India
2 Departments of Radiodiagnosis, Postgraduate Institute of Medical Education and Research, Chandigarh-160012, India

Correspondence Address:
A Pathak
Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh-160012
India
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Source of Support: None, Conflict of Interest: None


PMID: 14571002

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A prospective study was carried out to evaluate the efficacy of intraventricular sodium nitroprousside (SNP) in the reversal of refractory vasospasm secondary to aneurysmal subarachnoid hemorrhage (SAH). Ten patients of aneurysmal SAH with symptomatic vasospasm, corroborated on Transcranial Doppler (TCD) and/or angiography, were included in the study. The mean age distribution of the patients was 50.8 years (range 33-65 years) with an equal number of males and females. Once vasospasm was refractory even after 12 hours of SAH therapy, intraventricular SNP was instilled in an escalating dose and the reversal of vasospasm was monitored on TCD and/or angiography. All patients showed improvement in TCD velocity on day 0 through day 3. Partial to complete reversal of vasospasm was demonstrated on angiography in all the patients, though not in all the vessels. Two patients who had weakness of limbs due to vasospasm improved following intraventricular SNP therapy. Vomiting was the commonest adverse effect (7/10). Three patients had mild fluctuation in blood pressure. The overall outcome was good in 6 out of 10 patients. The study suggests that intraventricular SNP therapy is effective in reversing the changes even in established cases of SAH-induced vasospasm.






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