Preoperative Administration of Levosimendan to Prevent Low Cardiac Output Syndrome Following Pediatric Cardiac Surgery: A Retrospective Study. - Boillat, Laurence; Pache-Wannaz, Laure; Maitre, Guillaume; Rizzati, Frida; Marin, Maria Pérez; Chanez, Vivianne; Di Bernardo, Stefano; Perez, Maria-Helena (Clinics & Practice, 2026)