Beneficial effects of ketamine in a chronic pain state with allodynia, possibly due to central sensitization

Adams, 1988, Untersuchungen zur sedativ-analgetischen Medikation beatmungsphlichtiger Intensivepatienten, Anaesthesist, 37, 268 Besse, 1992, Regulation of opioid binding sites in the superficial dorsal horn of the rat spinal cord following loose ligation of the sciatic nerve: comparison with sciatic nerve section and lumbar dorsal rhizotomy, Neuroscience, 50, 921, 10.1016/0306-4522(92)90215-N Bonica, 1990, The Management of Pain, 138 Brandt, 1989, Intramuskuläre Applikation von Ketamin zur Analgesie bei Polytraumatisierten im Schock, Notfallmedizin, 15, 201 Brennum, 1992, Quantitative sensory examination in human epidural anaesthesia and analgesia: effects of lidocain, Pain, 51, 27, 10.1016/0304-3959(92)90005-V Brost, 1987, Postoperative Langzeit-Analgosedierung, Intensivbehandlung, 12, 57 Coderre, 1993, Contribution of central neuroplasticity to pathological pain: review of clinical and experimental evidence, Pain, 52, 259, 10.1016/0304-3959(93)90161-H Cook, 1987, Dynamic receptive field plasticity in rat spinal cord dorsal horn following C-primary afferent inputs, Nature, 325, 151, 10.1038/325151a0 Dahl, 1993, The effect of pre-versus postinjury infiltration with lidocain on thermal and mechanical hyperalgesia after heat injury to the skin, Pain, 53, 43, 10.1016/0304-3959(93)90054-S Davies, 1985, Sympathetic modulation of cold receptive neurons in the trigeminal system of the rat, J. Physiol., 366, 315, 10.1113/jphysiol.1985.sp015800 Davis, 1991, Topical application of clonidine relieves hyperalgesia in patients with sympathetically maintained pain, Pain, 47, 309, 10.1016/0304-3959(91)90221-I Dickenson, 1990, A cure for wind up: NMDA receptor antagonists as potential analgesics, TIPS, 11, 307 Dubner, 1991, Pain and hyperalgesia following tissue injury: new mechanisms and new treatments, Pain, 44, 213, 10.1016/0304-3959(91)90087-E Fields, 1987, Pain, 44 Frost, 1988, Does hyperalgesia to cooling stimuli characterize patients with sympathetically maintained pain (reflex sympathetic dystrophy)?, 151 Fruhstorfer, 1976, Method for quantitative estimation of thermal thresholds in patients, J. Neurol. Neurosurg. Psychiat., 39, 1071, 10.1136/jnnp.39.11.1071 Gracely, 1992, Painful neuropathy: altered central processing maintained dynamically by periferal input, Pain, 51, 175, 10.1016/0304-3959(92)90259-E Hallin, 1976, Studies on cutaneous A and C fibre afferents, skin nerve blocks and perception, 137 Handwerker, 1993, Mechanisms of cutaneous and subcutaneous hyperalgesia, 13 Hao, 1992, The excitatory amino acid receptor antagonist MK-801 prevents the hypersensitivity induced by spinal cord ischemia in the rat, Exp. Neurol., 113, 182, 10.1016/0014-4886(91)90174-B Hökfeldt, 1994, Messenger plasticity in primary sensory neurons following axotomy and its functional implications, Trends Neurosci., 17, 22, 10.1016/0166-2236(94)90031-0 Kristensen, 1992, The NMDA-receptor antagonist CCP abolishes neurogenic ‘wind-up pain’ after intrathecal administration in humans, Pain, 51, 249, 10.1016/0304-3959(92)90266-E Maureset, 1989, Comparison of ketamine and pethidine in experimental and postoperative pain, Pain, 36, 37, 10.1016/0304-3959(89)90109-7 Torebjörk, 1992, Central changes in processing of mechanoreceptor input in capsaicin-induced secondary hyperalgesia in humans, J. Physiol., 448, 765, 10.1113/jphysiol.1992.sp019069 Torebjörk, H.E., Wahren, L.K., Koltzenburg, M., Wallin, B.G. and Hallin, R.G., Noradrenaline-evoked pain in neuralgia, submitted. Treede, 1993, Dissociated secondary hyperalgesia in a subject with a large-fiber sensory neuropathy, Pain, 53, 169, 10.1016/0304-3959(93)90077-3 Wakisaka, 1991, Abnormal skin temperature and abnormal sympathetic vasomotor innervation in an experimental painful neuropathy, Pain, 46, 299, 10.1016/0304-3959(91)90113-C Wallin, 1976, Preliminary observations on the pathophysiology of hyperalgesia in the causalgic pain syndrome, Vol. 27 Woolf, 1991, The induction and maintenance of central sensitisation is dependent on N-methyl-d-aspartic acid receptor activation: implications for the treatment of post-injury pain hypersensitivity states, Pain, 44, 293, 10.1016/0304-3959(91)90100-C