Long-term intrathecal S(+)-ketamine in a patient with cancer-related neuropathic pain.

Benrath, J; Scharbert, G; Gustorff, B; Adams, H-A; Kress, H G · Br J Anaesth · 2005

case_report · Level V

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Abstract

Neuropathic pain sometimes needs invasive pain therapy. We present the case of a patient with cancer-related neuropathic pain untreatable with conventional pain therapy after tumour-embolization. The patient was treated successfully with intrathecal (i.t.) administration of S(+)-ketamine, in addition to morphine. Plasma concentrations of S(+)-ketamine were measured regularly throughout the treatment. Continuous i.t. administration of S(+)-ketamine over a period of 3 months demonstrated low plasma levels and no unwanted side-effects.

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