• T Higashizawa, H Yuasa, and Y Koga.
• Department of Anesthesia, Sakai Hospital in Research Institute of Basic-Clinical Medicine, Kinki University, Sakai 590-0132.
• Masui. 2001 May 1;50(5):507-8.

AbstractABC (angry backfiring C-nociceptor) syndrome-like pain disorder categorized in sympathetic independent pain appeared after amputation during spinal anesthesia. A 69-year-old female who had undergone amputation of the right leg below knee 5 months before, received amputation of the left leg below knee this time because of diabetic neuropathy and gangrene of her both legs. There were no complications in her right leg after the former amputation. Spinal anesthesia was maintained in the left one-side by hyperbaric local anesthetic. After changing the body position from left lateral to supine, the left leg was completely anesthetized and the right leg was incompletely anesthetized with only loss of cold sensation. In this state, she had pain in her right leg, and this pain was relieved by intravenous lidocaine administration. It was indicated that this type of pain was caused by the presence of ABC syndrome probably after right leg amputation.

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