Vertebroplasty versus conservative treatment in acute osteoporotic vertebral compression fractures (Vertos II): an open-label randomised trial
PainSci notes on Klazen 2010:
This good quality study clearly showed that vertebroplasty worked quite well, short term and long, for acute osteoporotic vertebral compression fractures and persistent pain. Such a strongly positive result is at odds with plenty of other evidence, which is mostly negative: see Buchbinder 2009 for more information.
original abstract †Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.
BACKGROUND: Percutaneous vertebroplasty is increasingly used for treatment of pain in patients with osteoporotic vertebral compression fractures, but the efficacy, cost-effectiveness, and safety of the procedure remain uncertain. We aimed to clarify whether vertebroplasty has additional value compared with optimum pain treatment in patients with acute vertebral fractures.
METHODS: Patients were recruited to this open-label prospective randomised trial from the radiology departments of six hospitals in the Netherlands and Belgium. Patients were aged 50 years or older, had vertebral compression fractures on spine radiograph (minimum 15% height loss; level of fracture at Th5 or lower; bone oedema on MRI), with back pain for 6 weeks or less, and a visual analogue scale (VAS) score of 5 or more. Patients were randomly allocated to percutaneous vertebroplasty or conservative treatment by computer-generated randomisation codes with a block size of six. Masking was not possible for participants, physicians, and outcome assessors. The primary outcome was pain relief at 1 month and 1 year as measured by VAS score. Analysis was by intention to treat. This study is registered at ClinicalTrials.gov, number NCT00232466.
FINDINGS: Between Oct 1, 2005, and June 30, 2008, we identified 431 patients who were eligible for randomisation. 229 (53%) patients had spontaneous pain relief during assessment, and 202 patients with persistent pain were randomly allocated to treatment (101 vertebroplasty, 101 conservative treatment). Vertebroplasty resulted in greater pain relief than did conservative treatment; difference in mean VAS score between baseline and 1 month was −5.2 (95% CI −5.88 to −4.72) after vertebroplasty and −2.7 (−3.22 to −1.98) after conservative treatment, and between baseline and 1 year was −5.7 (−6.22 to −4.98) after vertebroplasty and −3.7 (−4.35 to −3.05) after conservative treatment. The difference between groups in reduction of mean VAS score from baseline was 2.6 (95% CI 1.74—3.37, p<0.0001) at 1 month and 2.0 (1.13—2.80, p<0.0001) at 1 year. No serious complications or adverse events were reported.
INTERPRETATION: In a subgroup of patients with acute osteoporotic vertebral compression fractures and persistent pain, percutaneous vertebroplasty is effective and safe. Pain relief after vertebroplasty is immediate, is sustained for at least a year, and is significantly greater than that achieved with conservative treatment, at an acceptable cost.
related content
- “A Randomized Trial of Vertebroplasty for Painful Osteoporotic Vertebral Fractures,” Buchbinder et al, New England Journal of Medicine, 2009.
- “Percutaneous vertebroplasty for osteoporotic vertebral compression fracture,” Buchbinder et al, Cochrane Database of Systematic Reviews, 2015.
- “Percutaneous vertebroplasty and percutaneous balloon kyphoplasty for the treatment of osteoporotic vertebral fractures: a systematic review and cost-effectiveness analysis,” Stevenson et al, Health Technol Assess, 2014.
- “A randomized trial of vertebroplasty for osteoporotic spinal fractures,” Kallmes et al, New England Journal of Medicine, 2009.
- “Is there really no benefit of vertebroplasty for osteoporotic vertebral fractures? A meta-analysis,” Shi et al, Clinical Orthopaedics & Related Research, 2012.
This page is part of the PainScience BIBLIOGRAPHY, which contains plain language summaries of thousands of scientific papers & others sources. It’s like a highly specialized blog. A few highlights:
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