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  • Title: Vertebroplasty or kyphoplasty as palliative treatment for cancer-related vertebral compression fractures: a systematic review.
    Author: Sørensen ST, Kirkegaard AO, Carreon L, Rousing R, Andersen MØ.
    Journal: Spine J; 2019 Jun; 19(6):1067-1075. PubMed ID: 30822527.
    Abstract:
    BACKGROUND CONTEXT: Percutaneous vertebroplasty (PVP) and kyphoplasty (KP) are minimally invasive treatment options for vertebral compression fractures (VCFs) due to malignancy. PURPOSE: To perform a systematic review evaluating the effectiveness and safety of vertebral augmentation for malignant VCFs. STUDY DESIGN: Systematic review. STUDY SAMPLE: Studies on PVP or KP for VCFs in patients with malignant spinal lesions. OUTCOME MEASURES: Visual Analog Scale (VAS) for pain, Oswestry Disability Index (ODI), Karnofsky Performance Score (KPS), and complications were extracted from eligible studies. METHODS: Using Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines, studies published between January 1, 2000 and January 3, 2018 were identified by combining the results of a report by Health Quality Ontario with an updated literature search. RESULTS: The review identified two randomized controlled trials, 16 prospective studies, 44 retrospective studies, and 25 case series for a patient sample size of 3,426. At the earliest follow-up, pain improved from 7.48 to 3.00 with PVP, and from 7.05 to 2.96 with KP. ODI improved from 74.68 to 17.73 with PVP, and from 66.02 to 34.73 with KP. KPS improved from 66.99 to 80.28. Cement leakage was seen in 37.9% and 13.6% of patients treated with PVP and KP, respectively. Symptomatic complications (N = 43) were rare. CONCLUSIONS: This review showed clinically relevant improvements in pain, ODI, and KPS in patients with VCFs due to malignancy treated with either PVP or KP. Cement leakage is common, but rarely symptomatic. Percutaneous vertebroplasty and KP are safe and effective palliative procedures for painful VCFs in patients with malignant spinal lesions.
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