In the present retrospective study, it was hypothesized that application, in scoliosis surgery, of a protocol for blood and fluid management, based on goal directed fluid therapy, cell salvage and tranexamic acid, could lead to reduced allogeneic red blood cells transfusion. The patients will be enrolled in a retrospective observational study and divided in two groups. Patients in no protocol Group received a liberal intraoperative fluid therapy and patients in protocol Group received fluid therapy managed according to a stroke volume variation based protocol. The protocol included fluid therapy according to SVV monitor, permissive hypotension, tranexamic acid infusion, restrictive RBC trigger and use of perioperative cell savage.
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units of red blood cells transfused
Timeframe: intraoperative