1999
DOI: 10.1097/00115550-199924030-00005
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Preemptive Intrathecal Ketamine Injection Produces a Long-lasting Decrease in Neuropathic Pain Behaviors in a Rat Model

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Cited by 28 publications
(39 citation statements)
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“…63 In animal neuropathic pain models, NMDA receptor channel blockers such as memantine, MK801, and ketamine attenuate thermal and mechanical hyperalgesia in rats. 64 In a mouse model, conditional deletion of the NR1 subunit in spinal cord resulted in reductions in NMDAmediated current and inflammatory pain, 65 but that study did not address neuropathic pain. Notably, NR2A knockout mice showed unaltered pain phenotype in both acute and neuropathic pain models, 66 which may suggest the potential role of NR2B-containing NMDA receptors in neuropathic pain.…”
Section: Function In Chronic Painmentioning
confidence: 99%
“…63 In animal neuropathic pain models, NMDA receptor channel blockers such as memantine, MK801, and ketamine attenuate thermal and mechanical hyperalgesia in rats. 64 In a mouse model, conditional deletion of the NR1 subunit in spinal cord resulted in reductions in NMDAmediated current and inflammatory pain, 65 but that study did not address neuropathic pain. Notably, NR2A knockout mice showed unaltered pain phenotype in both acute and neuropathic pain models, 66 which may suggest the potential role of NR2B-containing NMDA receptors in neuropathic pain.…”
Section: Function In Chronic Painmentioning
confidence: 99%
“…Usando estímulos viscerais em ratos, um estudo mostrou efeitos antinociceptivos da cetamina racêmica em doses de 4 mg.kg -1 por via peridural e 10 mg.kg -1 por via venosa 77 . Alguns autores 78,79 verificaram que ocorre redução acentuada da intensidade da dor neuropática induzida em ratos com o uso de cetamina racêmica por via subaracnóidea. Também em ratos, a cetamina racêmica diminui a hiperalgesia periférica provocada por estímulo térmico 80 .…”
Section: Estudos Experimentaisunclassified
“…Using v i s c e r a l s t i m u l a t i o n i n r a t s , a s t u d y h a s s h o wn antinociceptive effects of 4 mg.kg -1 epidural or 10 mg.kg -1 intravenous racemic ketamine doses 77 . Some authors 78,79 have observed marked decrease in neuropathic pain induced in rats with epidural racemic ketamine. Also in rats, racemic ketamine has decreased peripheral hyperalgesia triggered by thermal stimulation 80 .…”
Section: Experimental Studiesmentioning
confidence: 99%
“…Many of these studies (119)(120)(121)(122)(123)(124)(125)(126)(127)(128)(129)(130)(131)(132)(133)(134)(135) have shown that NMDA antagonists, given either centrally or systemically, reduce hyperalgesia and allodynia associated with various models of nerve injury, as well as autotomy behaviour. However, it should be noted that this is not a universal observation.…”
Section: Glutamate and Neuropathic Painmentioning
confidence: 99%