Impact of hypotension prediction index on mean arterial pressure and stroke volume index during pancreatic surgery: a retrospective pre-post observational pilot study. - Piccioni, Federico; Rigo, Stefano; Pagot, Enrico; Nisi, Fulvio; Giustiniano, Enrico; Del Grosso, Stefania; Capretti, Giovanni; Nappo, Gennaro; Zerbi, Alessandro; Cecconi, Maurizio (Frontiers in Anesthesiology, 2026)