Risk Factors for Post-Operative Blood Transfusion and Association with Outcomes in Hip Fracture Surgery
Abstract
Background: Blood transfusion during hip fracture surgery can significantly influence patient outcomes. This study aimed to identify risk factors for post-operative blood transfusions and their impact on clinical outcomes, including all-cause mortality.
Methods: A post-hoc analysis was conducted on data from a multicentric observational study in Jordan. Demographics, preoperative variables, intraoperative details, and postoperative outcomes were analyzed. Logistic regression identified risk factors for transfusions, and Cox proportional hazards models assessed associations with mortality.
Results: The study included 1040 patients who underwent hip fracture repair (35.87% received transfusion and 64.13% did not receive transfusion). Patients who received transfusion were older (median age 79 vs 77 years, p=0.0015), more frequently females (60.59%), and had lower preoperative hemoglobin levels (10.85±1.75 vs 12.62±1.61 g/dL, pp=0.004), unstable intertrochanteric fractures (53.08% vs 42.13%, p=0.001), and ICU admissions (19.03% vs 6.45%; ppp=0.021), and increased all-cause mortality (18.23% vs 11.24%; p=0.002). However, this observed increase in mortality did not remain significant after multivariate adjustment. At multivariate analysis, blood transfusion was independently associated with ICU admission (OR=2.17, 95% CI=1.28-3.66,p=0.004), and longer hospital stay (OR=1.05, 95% CI=1.02-1.09, p=0.005), while no independent association between blood transfusion and all-cause…
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