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Case Reports
Lumbar sympathetic block for intractable lower limb postherpetic neuralgia: Report of two cases.
- Ekim Can Ozturk, Savas Sencan, and Osman Hakan Gunduz.
- Department of Physical Medicine and Rehabilitation, Pain Medicine Section, School of Medicine, Marmara University, Istanbul, Turkey.
- Pain Pract. 2021 Mar 1; 21 (3): 353-356.
AbstractLumbar sympathetic block is a commonly used technique for sympathetically mediated pain syndromes. Postherpetic neuralgia (PHN) is also accepted to be associated with sympathetic system activation. While sympathetic blocks were utilized for upper-extremity or face-related PHN, there has not been any report regarding lower-extremity PHN, as it is an uncommon region. Here, we present two cases of systemic drug-resistant PHN in lower limb, relieved with lumbar sympathetic block. Both patients had at least 50% reduction in numeric rating scale (NRS) scores at the end of 6 months. Lumbar sympathetic block could be considered in the treatment of lower-limb PHN. More reports and controlled trials are needed for further understanding the role of the intervention in this neuropathic pain syndrome.© 2020 World Institute of Pain.
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