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In hypertensive high-risk patients undergoing major abdominal surgery, targeting an intraoperative mean arterial pressure ≥80 mmHg reduces postoperative organ dysfunction and acute kidney injury compared to the standard target of ≥65 mmHg.
A single‑center RCT found that starting a titrated norepinephrine infusion at anesthesia induction reduced intraoperative hypotension and lowered 30‑day medico‑surgical complications compared with reactive ephedrine boluses in high‑risk abd
The BP-CARES randomized trial found no cardiovascular benefit of intensive intraoperative blood pressure management (MAP ≥80 mm Hg) over conventional targets in high-risk major abdominal surgery patients.