Fig. 1From: Peripheral nerve block combined with general anesthesia for lower extremity amputation in hemodialysis patients: case seriesChronological changes in MBP. Chronological MBP changes relative to the initial value were calculated by the formula: Relative change in MBP (%) = {(MBP − initial MBP)/initial MBP} × 100, initial MBP was defined as MBP measured in the operating room immediately after arrivalBack to article page