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Revista Española de Cirugía Oral y Maxilofacial
On-line version ISSN 2173-9161Print version ISSN 1130-0558
Abstract
ALTURA GUILLEN, O. et al. Analysis of allogeneic blood transfusion in oral and maxillofacial cancer surgery: Analysis of variables. Rev Esp Cirug Oral y Maxilofac [online]. 2008, vol.30, n.3, pp.173-179. ISSN 2173-9161.
Objective. Analyze the variables that influence blood transfusion in patients undergoing surgery for cancer. Material and method. Data from 44 patients who underwent surgery for neoplasms and required perioperative blood transfusion was analyzed to evaluate: age, sex, tumor location, diagnostic code, treatment, preoperative hematocrit, preoperative hemoglobin and pretransfusion hemoglobin, number of units transfused, TNM stage, ASA risk, and surgical time. Results. Forty-four patients received transfusions (32 men). The mean age of patients was 65 years and the tumor was lingual in 36.36%. The most frequent intervention was tumor exeresis, which was associated with bone resection and cervical lymph node clearance in 56.82% of cases and with simple reconstruction in 63% of cases. The mean duration of the intervention was 5.7 hours, mean ASA risk was 3, and mean transfusion volume was 2.9 units. Seventy percent of patients had stage IV tumors. Mean hemoglobin concentration before transfusion was 7.71 g/dl. Surgical time, preoperative hemoglobin concentration, and preoperative hematocrit were statistically significant in multivariate analysis. Conclusions. Allogeneic blood transfusions originate adverse effects that can condition the evolution of patients with cancer. Strict transfusion criteria should be followed (Hb < 8g/dl) to prevent or diminish these deleterious effects. Preoperative Hb is the only variable that we can act on to reduce transfusion volume. Blood-sparing programs should be implemented.
Keywords : Oncologic surgery; Anemia; Allogeneic blood transfusion; Autologous blood transfusion.