Hidden blood loss of percutaneous vertebroplasty for osteoporotic vertebral compression fractures

Our study results suggest that perioperative HBL cannot be ignored in PVP for thoracolumbar OVCFs, regardless of the surgical approach chosen. We should be more concerned about anemia in patients with thoracolumbar OVCFs after unilateral extrapedicular approach compared to the unilateral transpedicular approach.