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AIM:To study the safety and effectiveness of preoperative embolization of primary bone tumors in relation to intraoperative blood loss,intraoperative blood transfusion volume and surgical time.METHODS:Thirty-three patients underwent preoperative embolization of primary tumors of extremities,hip or vertebrae before resection and stabilization.The primary osseous tumors included giant cell tumors,aneurysmal bone cyst,osteoblastoma,chondroblastoma and chondrosarcoma.Twenty-six patients were included for the statistical analysis(embolization group)as they were operated within 0-48 h within preoperative embolization.A control group(non-embolization group,n = 28)with bone tumor having similar histological diagnosis and operated without embolization was retrieved from hospital record for statistical comparison.RESULTS:The mean intraoperative blood loss was 1300 mL(250-2900 mL),the mean intraoperative blood transfusion was 700 m L(0-1400 m L)and the mean surgical time was 221 ± 76.7 min for embolization group(group Ⅰ,n = 26).Non-embolization group(group Ⅱ,n = 28),the mean intraoperative blood loss was 1800 m L(800-6000 m L),the mean intraoperative blood transfusion was 1400 mL(700-8400 mL)and the meansurgical time was 250 ± 69.7 min.On comparison,statistically significant(P < 0.001)difference was found between embolisation group and non-embolisation group for the amount of blood loss and requirement of blood transfusion.There was no statistical difference between the two groups for the surgical time.No patients developed any angiography or embolization related complications.CONCLUSION:Preoperative embolization of bone tumors is a safe and effective adjunct to the surgical management of primary bone tumors that leads to reduction in intraoperative blood loss and blood transfusion volume.
AIM: To study the safety and effectiveness of preoperative embolization of primary bone tumors in relation to intraoperative blood loss, intraoperative blood transfusion volume and surgical time. METHODS: Thirty-three patients underwent preoperative embolization of primary tumors of extremities, hip or vertebrae before resection and stabilization. The primary osseous tumors included giant cell tumors, aneurysmal bone cyst, osteoblastoma, chondroblastoma and chondrosarcoma. twenty-six patients were included for the statistical analysis (embolization group) as they were operated within 0-48 h within preoperative embolization. A control group (non-embolization group, n = 28) with bone tumor having similar histological diagnosis and operated without embolization was retrieved from hospital record for statistical comparison .RESULTS: The mean intraoperative blood loss was 1300 mL (250-2900 mL), the mean intraoperative blood transfusion was 700 m L (0-1400 m L) and the mean surgical time was 221 ± 76.7 min for e The mean intraoperative blood loss was 1800 m L (800-6000 m L), the mean intraoperative blood transfusion was 1400 mL (group I, n = 26) .Non-embolization group 700-8400 mL) and the meansurgical time was 250 ± 69.7 min. On comparison, statistically significant (P <0.001) difference was found between embolisation group and non-embolisation group for the amount of blood loss and requirement of blood transfusion. no statistical difference between the two groups for the surgical time. No patients developed any angiography or embolization related complications. CONCLUSION: Preoperative embolization of bone tumors is a safe and effective adjunct to the surgical management of primary bone tumors that leads to reduction in intraoperative blood loss and blood transfusion volume.