Repeat Kyphoplasty for Loosed Cement Block: Three Cases Report and Technique Introduction

Purpose: Percutaneous kyphoplasty is widely used in treating Vertebral Compression Fracture (VCF), as a minimally invasive surgery, which provides effective and safer treatment for patients who are suffering painful osteoporotic VCF s. Although pain-relief is usually effective after the treatment, there are still a few patients who respond to the initial percutaneous kyphoplasty only for a very short period of time. Several pathologies might be responsible for the pain. One of them proposed here are due to cement block loosening in the vertebral body, resulting in intolerable back pain again. There are several discussions in repeat vertebroplasty but rarely in repeat kyphoplasty.5 Material and methods: Here we conducted an alternative treatment to solve the problem instead of operating a Corpectomy procedure, which brought patients to experience a shorter recovery time. Result: In this report, three patients with vertebral compression fractures, with the average age of 80 years, were treated with repeat kyphoplasty at the focal vertebrae and had their VAS scores evaluated. Conclusions: The outcome of this study suggested this alternative approach could effective solve the pain from second vertebral instability by stabilizing the original cement block in the vertebral body which previously underwent percutaneous kyphoplasty. The VAS scores dropped from 9 to 3 on average. The technique of the procedure was described and clearly illustrated.

並列關鍵字

VCFs ； kyphoplasty ； repeat kyphoplasty ； cement loosening ； percutaneous vertebroplasty

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