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- W1990135246 abstract "Previously in our laboratory, nimodipine was effective in reversing posttraumatic ischemia and promoting electrophysiologic recovery in a rat spinal cord injury (SCI) model. However, these beneficial effects were achieved when nimodipine was combined with adjuvant therapy to reverse posttraumatic hypotension, by either volume expansion or vasopressor therapy. The present experiments determined if nimodipine alone can increase spinal cord blood flow (SCBF) and improve function after SCI. The hydrogen clearance technique was used to measure SCBF, and motor and somatosensory evoked potentials (MEP and SSEP) were used to quantitate electrophysiologic function. SCBF, MEP, and SSEP were recorded before and after a 52 g clip compression injury at the T1 segment and then repeated after a 35 minute infusion of nimodipine. Twenty-five rats were allocated randomly to five equal groups, each of which received 35 minute infusions of one of the following doses of nimodipine: (1) 0 mg/kg, (2) 0.005 mg/kg, (3) 0.01 mg/kg, (4) 0.025 mg/kg, or (5) 0.05 mg/kg. SCBF decreased after injury in all groups, and there was no increase in SCBF after nimodipine infusion in any group. MEP and SSEP were abolished by the injury in all rats, and there was no recovery of the evoked potentials in any group. It is concluded that adjuvant therapy for posttraumatic hypotension may be necessary for nimodipine to improve SCBF and promote recovery of function in the injured spinal cord." @default.
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- W1990135246 date "1991-01-01" @default.
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- W1990135246 title "Further Studies of Nimodipine in Experimental Spinal Cord Injury in the Rat" @default.
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- W1990135246 doi "https://doi.org/10.1089/neu.1991.8.229" @default.
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