• J Cuenca, J A García Erce, A A Martínez, V M Solano, and A Herrera.
• Servicio de Cirugía Ortopédica y Traumatología, emoterapia. Hospital Universitario Miguel Servet, Zaragoza.
• Rev Esp Anestesiol Reanim. 2004 Nov 1;51(9):515-22.

ObjectiveTo determine the effect of risk factors for allogenic blood transfusion in surgery for trochanteric hip fractures.Patients And MethodsA retrospective study of all the trochanteric hip fracture patients older than 65 years who underwent surgery to repair trochanteric hip fracture related to osteoporosis in 2000 and 2001 in a regional hospital. Data recorded were age; gender; type of fracture (international AO classification); level of anesthetic risk (ASA classification); hemoglobin concentration and hematocrit upon admission, on the day of surgery and 2 days later; time elapsing between admission and surgery; blood transfusion and blood product use.ResultsOne hundred two patients (29 men and 73 women) with trochanteric hip fractures were studied. Mean (+/- SD) patient age was 82.9 +/- 8.8 years (range, 65-99 years). Upon admission, mean hemoglobin was 123 +/- 18.1 g/L (range, 56-154 g/L), hematocrit was 37% +/- 5% (range, 10%-40%). Time elapsing until surgery was 3.5 +/- 1.6 days (range, 0-8 days). Admission hemoglobin concentration was lower in patients who required transfusion (116 g/L) than in patients who did not (133 g/L) (P < 0.001). Logistical regression analysis identified only AO classification of fracture type (P < 0.05) and admission hemoglobin concentration (P < 0.001) as independent risk factors for transfusion.ConclusionsThe hemoglobin level at admission and the trochanteric fracture type bear a relation to transfusion needs. These results suggest that in elderly patients we should improve hemoglobin levels and initiate blood salvage measures in order to reduce the need for allogenic blood transfusion, with its inherent risks.

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