Cavitational kyphoplasty: a new technique for reducing the rates of cement extravasation through targeted low-pressure cement injection.

Abstract

Previous studies have demonstrated lower rates of cement extravasation when comparing balloon kyphoplasty with vertebroplasty, an effect attributed to the low-pressure injection. However, in patients with isolated endplate fractures, balloon kyphoplasty may lead to further endplate damage and increased risks of intradiscal extravasation. The author provides a stepwise description of a new technique called cavitational kyphoplasty that allows targeted low-pressure cement injection without the necessity of balloon inflation. The new technique of cavitational kyphoplasty has been shown to be specially useful in patients with isolated endplate fractures without significant loss of the vertebral body height.