单词	sympathectomy
释义	sympathectomy /ˌsɪmpəˈθɛktəmi / noun [mass noun] The surgical cutting of a sympathetic nerve or removal of a ganglion to relieve a condition affected by its stimulation.Before 1953, procedures such as stellate ganglion block, cervical sympathectomy, thrombectomy of occluded carotid arteries, and carotid bifurcation ligation, were used.... If opiate analgesia remains inadequate, then lumbar sympathectomy (surgical or chemical) or spinal cord stimulation may help. For very resistant and distressing cases, where all other treatments fail, a surgical procedure called thoracoscopic sympathectomy is available.
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