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09 March 2019 : Clinical Research  

Factors Associated with Perioperative Serum Calcium Levels in Percutaneous Kyphoplasty for Osteoporotic Vertebral Compression Fracture: A Prospective Clinical Study

Yi Mao1BCEF, Yong Zheng2BCF, Yang Li3EF, Guodong Wang3EF, Jianmin Sun3E, Xingang Cui3AD*

DOI: 10.12659/MSM.913297

Med Sci Monit 2019; 25:1800-1805


BACKGROUND: Long-term hypocalcemia can result in osteoporotic vertebral compression fracture (OVCF). Transient paralysis and tetraplegia due to hypocalcemia is a rare but severe complication after kyphoplasty. The aims of this prospective clinical study were to investigate the clinical factors associated with serum calcium levels in patients undergoing percutaneous kyphoplasty (PKP).

MATERIAL AND METHODS: Sixty-eight patients with OVCF were clinically evaluated before and after PKP. Serum calcium was measured before surgery and 24 hours after surgery. Clinical information included the time between vertebral fracture and surgery, the number of involved vertebral bodies, the dose of bone cement required during surgery, and bone mineral density. Correlation coefficient and simple linear regression analysis were performed to identify the clinical factors associated with serum calcium levels.

RESULTS: Peri-operative serum calcium levels were significantly and positively associated with the dose of bone cement required during PKP and the number of affected vertebral bodies. There was a significant and negative correlation between the time from vertebral fracture to surgery and bone mineral density, which were shown by linear regression analysis to have a predictive value of 5.8% and 47.3%, respectively.

CONCLUSIONS: For patients undergoing PKP, the amount of bone cement required and the number of affected vertebral bodies were associated with low serum calcium levels. Surgeons should be aware of the importance of measuring and monitoring serum calcium levels in this patient group.

Keywords: Bone Cements, Cementoplasty, Hypocalcemia, Aged, 80 and over, Bone Density, Fractures, Compression, kyphoplasty, Lumbar Vertebrae, Osteoporotic Fractures, perioperative period, Prospective Studies, Spinal Fractures, Spine

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750