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, P = 0.141), and course of disease (OR = 1.006, 95% CI 0.997 - 1.015, P = 0.203) on postoperative recurrence showed no statistical significance. The nonrandomized, single-center, small sample size, retrospective design is a major limitation of this study. Chemical lumbar sympathectomy is a valid treatment option for cold hypersensitivity in hands and feet, and computed tomography-guided percutaneous puncture chemical lumbar sympathectomy has the advantages of high success rate, less invasion, less complications, and repeatablity. Chemica