As a large amount of blood loss is sometimes encountered in limb salvage procedures for pelvic tumours, it is essential to identify risk factors predicting the possibility of extensive haemorrhage. We retrospectively reviewed 137 patients who underwent pelvic tumour resections. Patients with an estimated blood loss greater than 3,000 ml were classified as having a large amount of blood loss. Sixty-one (44.53%) patients had blood loss greater than 3,000 ml. Tumours involving the acetabulum or sacrum, tumour volume greater than 400 cm3, aorta occlusion, resection method, reconstruction and operative time were all associated with a large amount of blood loss. Pelvic tumours involving the acetabulum or sacrum (odds ratio: 4.837), tumour volume greater than 400 cm3 (odds ratio: 3.005) and planned operation time of more than 200 min (odds ratio: 3.784) independently predicted a large amount of blood loss. Pelvic tumours with these characteristics were likely to have a large amount of blood loss during surgery.
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机译：由于在肢体肿瘤的肢体抢救手术中有时会发生大量失血，因此必须确定预测广泛出血可能性的危险因素。我们回顾性分析了137例行盆腔肿瘤切除术的患者。估计失血量超过3,000 ml的患者被分类为失血量大。六十一（44.53％）位患者的失血量超过3,000毫升。涉及髋臼或ac骨，肿瘤体积大于400 cm 3 ，主动脉闭塞，切除方法，重建和手术时间的肿瘤均与大量失血有关。骨盆肿瘤累及髋臼或骨（赔率：4.837），肿瘤体积大于400 cm 3 （赔率：3.005），计划手术时间超过200分钟（赔率：3.784）预测会有大量失血。具有这些特征的骨盆肿瘤在手术期间可能会大量失血。
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