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Dramatic extremity temperature increase and Horner’s syndrome after stellate ganglion block
  1. Omar Viswanath,
  2. Musa Aner
  1. Department of Anesthesiology, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
  1. Correspondence to Dr Musa Aner, Harvard Medical School, Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine; maner{at}

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A 57-year-old woman suffered a right distal radius fracture secondary to a fall. Eight weeks after surgical repair, she presented with persistent localised oedema, pain, erythema and sweating of her right hand since her surgery. Her surgeon referred her to the pain medicine clinic, where she was subsequently diagnosed with complex regional pain syndrome (CRPS) type I and treated with a stellate ganglion block. Successful block was indicated by the presence of Horner’s syndrome, nasal stuffiness (Guttman’s sign), along with her right upper extremity having an 8.2°C increase in temperature compared with her left (figure 1). The temperature sensors were placed on the same location of …

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