• Gaston Camino-Willhuber, Gilles Norotte, Nicolas Bronsard, Gonzalo Kido, Matias Pereira-Duarte, Martin Estefan, Mariana Bendersky, Sergio Terrasa, Julio Bassani, Matias Petracchi, Marcelo Gruenberg, and Carlos Sola.
• Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi", Hospital Italiano de Buenos Aires, Buenos Aires, Argentina. Electronic address: gaston.camino@hospitalitaliano.org.ar.
• World Neurosurg. 2021 Nov 1; 155: e210-e217.

BackgroundTo report clinical results after percutaneous cement discoplasty (PCD) in a multicentric case series with a minimum of 2 years of follow-up.MethodsBetween December 2014 and January 2019, 180 patients with low back pain and advanced degeneration were treated with percutaneous discoplasty in 2 centers. The inclusion criteria were as follows: patients 65 years or older, with mechanical low back pain with or without spinal stenosis, who did not respond to conservative management. Patients were divided into 3 groups: group 1: patients without previous spine surgeries who underwent PCD, group 2: patients with previous spine surgeries who underwent PCD, and group 3: patients with/without previous surgery who underwent PCD plus decompression surgery. Clinical and radiological analyses were performed as well as complication and readmission rates.ResultsA total of 156 patients (74% female; mean age, 75.8 ± 5.7 years; mean body mass index, 29.9 ± 5.2) were included in our study. Overall preoperative visual analog score (VAS) and Oswestry Disability Index (ODI) were 7.8 ± 0.9 and 68.1 ± 9.6, respectively. At 2 years of follow-up, mean VAS improvement was 3.56 (95% confidence interval: 3.92-3.20; P < 0.0001) and mean ODI improvement was 17.18 (95% confidence interval: 19.52-14.85; P < 0.0001), showing a significant and sustained improvement in both scores. In addition, 84% of patients reached both VAS and ODI minimum important clinical difference at the final follow-up. Finally, 5.7% of patients suffered major complications 30 days postoperatively.ConclusionsPCD showed significant improvement of VAS and ODI scores at 2 years of follow-up with relatively low rate of complications.Copyright © 2021 Elsevier Inc. All rights reserved.

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