How effective is electroconvulsive therapy for chronic pain?
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Electroconvulsive therapy (ECT) has analgesic properties independent of its improvement of depression in some patients with chronic pain. Patients receiving ECT have reported a decrease in pain by as much as 60%, compared with a decrease of 16% in a control group. Some subgroups of pain patients are more likely to benefit from ECT, such as patients with fibromyalgia, reflex sympathetic dystrophy, or phantom limb pain (SOR: B, case-control studies).
Evidence-based practice 16, no. 05 (2013): 09-10