Benvenue Medical's Kiva VCF Treatment System is as effective as balloon kyphoplasty in reducing pain associated with osteolytic vertebral body metastases, according to a study published in Spine.
The study included 47 patients with 84 vertebral body osteolyses. Outcome measurements were vertebral body height, segmental kyphotic angle, extravasation rates, pain, function and quality of life.
The study found that:
• The Kiva system and balloon kyphoplasty provided equally significant spinal pain relief one month postoperatively, as measured by the Visual Analogue Scale and Oswestry Disability Index.
• No patients in the Kiva group experienced cement leakage, compared with 9.3 percent of the balloon kyphoplasty group, who did experience leakage.
• Kiva and balloon kyphoplasty showed a tendency for restoration of anterior and posterior vertebral body height and kyphotic Gardner angle; however, only Kiva restored middle vertebral body height.
• Both Kiva and balloon kyphoplasty safely augmented painful thoracic and lumbar vertebral osteolytic metastases, and Kiva additionally reinforced sacral metastases.
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