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ORIGINAL ARTICLE
Year : 2017  |  Volume : 4  |  Issue : 3  |  Page : 147-154

Assessment of the role of gabapentin in patients with supratentorial tumours undergoing craniotomy under general anaesthesia: A double-blind randomised study


Department of Anaesthesia, Faculty of Medicine, Cairo University, Giza, Egypt

Correspondence Address:
Rabie Soliman
Department of Anaesthesia, Faculty of Medicine, Cairo University, Giza
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jnacc.jnacc_36_16

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Background: Gabapentin attenuates the haemodynamics, decreases the catecholamine release and has a neuroprotective effect. The aim of the present study was to assess the effect of gabapentin in patients with supratentorial brain tumours undergoing craniotomy under general anaesthesia. Methods: A radial arterial line, central venous line and ventriculostomy catheters were inserted before surgery. Anaesthesia was induced with thiopental, fentanyl and atracurium and maintained with sevoflurane, fentanyl and atracurium infusion. The study included 160 patients classified randomly into two groups: Group G: The patients received gabapentin capsules 1200 mg orally 2 h before surgery. Group C: The patients received placebo capsules. Results: The heart rate, mean arterial blood pressure and intracranial pressure decreased significantly with gabapentin as compared to the control group (P < 0.05). The dose of fentanyl and end-tidal sevoflurane was lower with gabapentin than the control group (P < 0.05). The urine output was higher in the gabapentin group than the control group (P < 0.05). The Glasgow coma scale score was better in the gabapentin group as compared to the control group (P < 0.05). The incidence of nausea and vomiting was lower in the gabapentin group as compared to the control group (P < 0.05). Conclusions: Pre-operative administration of gabapentin in patients undergoing craniotomy under general anaesthesia minimised the fluctuations in haemodynamics, reduced the requirements for sevoflurane and fentanyl, decreased intracranial pressure and improved the outcomes. There were some side effects associated with gabapentin such as hypotension and bradycardia.


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