Efficacy of Angiographic Embolization vs Non-embolization of Moderate/Poor Vascularized Vertebral Metastases on Intraoperative Bleeding During Surgery Decompression and Vertebral Stabilization.

Exclusion Criteria

• •congenital and iatrogenic hemocoagulative disorders (PT INR\> 1.5, aPTT ratio\> 1.25 with documented coagulation factor deficiency, PLT \< 80,000 / microL or known coagulation pathologies);
• •renal failure (creatinine ≥ 1.2);
• •MDC iodized allergy;
• •pregnancy / lactation;
• •chronic ischemic heart disease;
• •precluded arterial access by angiography;
• •indication to emergency surgery;
• •time between embolization and surgery\> 72 h;
• •refusal by the patient.