A pilot open-label study of the efficacy of subanesthetic isomeric S(+)-ketamine in refractory CRPS patients.


OBJECTIVE Complex regional pain syndrome (CRPS) is a severe neuropathic pain state that is often disproportionate to the initial trauma. Associated features are autonomic dysregulation, swelling, motor dysfunction, and trophic changes to varying degrees. Despite a multitude of treatment modalities, a subgroup of CRPS patients remain refractory to all… (More)
DOI: 10.1111/j.1526-4637.2006.00223.x


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