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anesthesia were 130/65 mm Hg and 48 beats/min, respectively. In addition to standard monitoring (including pulse oximetry, 5-lead electrocardiogram, capnography, and noninvasive arterial blood pressure), arterial blood pressure monitoring was planned after induction with FloTrac placed to estimate preload and afterload. Baseline vital signs in the operating room are noted in Table 2 . An intravenous line was inserted in the left forearm and anesthesia was induced by 3 mcg/mL propofol (target-controlled infusion), 100 μg fentanyl, and 0.2 mcg/kg/min remifentanil. Then, 40

Aya Kamiya Yoko Kobayashi Hiroshi Suzuki Masayuki Kawahara Hiroshi Study of the FloTrac System™ Using the Dorsalis Pedis Artery in General Anesthesia for Oral Surgery

variation (SVV), via an arterial pressure–based cardiac output measuring device (FloTrac/Vigileo System), and central venous pressure (CVP) were assessed intraoperatively. Intraoperative fluids were adjusted to maintain an SVV no higher than 15%, a CVP of 4–8 mm Hg, and urinary output >1 mL/kg per hour. Intraoperatively, the patient remained hemodynamically stable throughout the entire procedure, with only a mild decrease (85–89 mm Hg) in systolic blood pressure observed. To maintain the patient's systolic blood pressure within her normal range of 90–110 mm Hg