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Neurology India
Medknow Publications on behalf of the Neurological Society of India
ISSN: 0028-3886
EISSN: 0028-3886
Vol. 57, No. 2, 2009, pp. 162-165
Bioline Code: ni09046
Full paper language: English
Document type: Research Article
Document available free of charge

Neurology India, Vol. 57, No. 2, 2009, pp. 162-165

 en Incidence and pattern of intraoperative hemodynamic response to endoscopic third ventriculostomy
Ganjoo, P.; Sethi, S.; Tandon, M.S.; Chawla, R. & Singh, D.


Background: In patients undergoing endoscopic third ventriculostomy (ETV), various cardiovascular changes occur in the intraoperative period.
Aim: We tried to determine a pattern in these changes and their relation to different surgical steps.
Materials and Methods: A total of 260 patients were studied over a period of six years. Heart rate and mean arterial pressures were recorded before introduction of the endoscope and thereafter at various stages of the operation.
Results: Tachycardia was the predominant observed abnormality in 20% of patients, occurring mostly during manipulations and irrigation in the third ventricle (TV). Bradycardia was seen in 12% of patients, more often during fenestration of the floor of the third ventricle.
Conclusions: Tachycardia observed during ETV may be related to hypothalamic stimulation or a rise in intracranial pressure and bradycardia may be due to stimulation of the hypothalamus or the third cranial nerve. Anticipation of these cardiovascular changes during the relevant steps of the operation can help in taking appropriate corrective action, thus preventing potentially serious complications of ETV.

Endoscopic third ventriculostomy, hydrocephalus, neuroendoscopy

© Copyright 2009 Neurology India.
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