We present a 79-year-old female patient who had L2-5 dynamic stabilization with cement (Polymethylmethacrylate) injection 6 weeks prior. Due to post-operative right radicular pain, a lumbar CT was scheduled in which a malposition of the right L4 screw and cement leakage was observed. Via a percutaneous translaminar endoscopic approach the leaked cement was removed and the portion of the screw in contact with the nerve root was drilled. With this minimal-invasive procedure, the patient was relieved of her radicular pain.
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http://dx.doi.org/10.1080/02688697.2020.1861435 | DOI Listing |
J Mater Sci Mater Med
January 2025
Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.
Bone cement is commonly utilized to secure prosthetic joints in the body because of its robust fixation, stability, biocompatibility, and immediate load-bearing capability. However, issues such as loosening, leakage, and insufficient bioactivity can lead to its failure. Therefore, improving its mechanical, physical, and biological properties is crucial for enhancing its efficiency.
View Article and Find Full Text PDFJ Clin Med
December 2024
Department of Orthopedics, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan.
To review the outcomes of patients who underwent repeated vertebroplasty (VP) surgery for adjacent segment fractures (ASF), defined as new osteoporotic vertebral fractures occurring at levels immediately above or below a previously treated vertebra. From 1 January 2018, to 31 December 2020, forty-one patients who developed ASF following initial VP and underwent repeated VP were enrolled in our study. Radiographic measurements included single and two-segment kyphotic angles (SKA and TKA), and anterior and mid-vertebral body height (AVH and MVH).
View Article and Find Full Text PDFJ Contemp Dent Pract
September 2024
Department of Academic, Faculty of Dentistry, Universidad Nacional Federico Villarreal, Lima, Peru, ORCID: https://orcid.org/0000-0002-0594-5834.
Objective: To evaluate the shear strength of adhesives based on the type of solvent (ethanol and acetone), aged and light-cured using light-emitting diode (LED) units with different wavelengths. Polywave and monowave LED units were employed for this study.
Materials And Methods: Ninety bovine tooth samples were analyzed using OptiBond Universal adhesive (acetone) and single bond universal adhesive (ethanol).
Clin Spine Surg
December 2024
Department of Orthopaedic Surgery, Keio University School of Medicine, Shinjyuku, Tokyo.
Study Design: Multicenter retrospective cohort study.
Objective: To evaluate the efficacy and safety of using cement-augmented pedicle screw (CAPS) fixation only for the cephalad and caudal vertebral bodies.
Summary Of Background Data: Pedicle screw fixation is less effective in patients with low-quality bone.
Neurospine
December 2024
Department of Neurosurgery, Gachon University Gil Medical Center, Incheon, Korea.
We present a case of iatrogenic lumbar foraminal stenosis caused by bone-cement leakage during vertebroplasty, successfully managed using transforaminal endoscopic lumbar foraminotomy (TELF). Vertebroplasty is an effective treatment for osteoporotic vertebral compression fractures (VCFs); however, complications such as bone-cement leakage can lead to vascular or neurological issues, including lumbar radiculopathy. TELF is a minimally invasive surgical option for addressing various forms of lumbar foraminal stenosis.
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