PASS OCT® Post-market Clinical Follow-up
Intervertebral Disc DiseaseSpondylolisthesis3 moreProspective, multicenter non comparative and observational study (post-market clinical follow-up). Patients operated with PASS OCT® manufactured by MEDICREA® INTERNATIONAL between July 2016 and July 2017. The inclusion period will be 12 months and the follow-up 24 months
Assessement of Vertebroplasty-related Cement Leakage
Vertebral FractureVertebral compression fracture is a common disorder in elderly patients. Vertebroplasty or surgical fixation are therefore commonly performed, in which bone cement is injected and help to provide additional support for unstable fracture to ease the pain. Cement leakage to paraspinal vein is very common and often taken as indicator of endpoint of the procedure. However, the leaked cement entering venous system can go to right heart and cause pulmonary embolism sometimes. The prevalence and pattern of this problem is largely unknown, especially subclinical condition. In this project, we intend to perform in vivo investigation of the cement distribution under different injection conditions. We also plan to conduct a clinical study to investigate the pattern, prevalence, and risk factor of cement venous leakage and pulmonary embolism. The study is a prospective cohort design, in which we plan to recruit 60 patients who receive vertebroplasty or cemented pedicle screws fixation for vertebral compression fracture. Plain X ray and computed tomography (CT) will be performed after operation. For CT, plain CT for operated site and dual energy acquisition for pulmonary vasculature will be performed, in which the pulmonary perfusion will be detected precisely. The different modalities can help delineate of radiological pattern of cement leakage. Spine surgeon, interventional radiologist, neuroradiologist, and thoracic radiologist will participate in this project. Experience on the optimal technique for cement use under fluoroscope is expected. The knowledge obtained in this study can be used in clinical ground and translate into academic outcome and clinical patient care.
The Influence of Vertebral Mobility on Low Back Pain in Patients With Acute Osteoporotic Vertebral...
Osteoporotic Vertebral FractureMany patients with acute osteoporotic vertebral fracture (acute OVFs) admitted because of low back pain. But there are only part of patients with acute OVFs, because some patients do not have low back pain although OVFs occurred.
Vertebral Fat Quantitative MRI as a Marker of Bone Fragility in Multiple Myeloma (MYELOMEFRAGIQUANTI)...
Multiple MyelomaVertebral FractureMultiple myeloma is a disease that causes increased bone fragility which is often revealed or complicated by vertebral fractures. Invasion of bone marrow by tumor plasma cells leads to bone destruction and reduced fat fraction. The main objective is to assess the correlation between vertebral bone marrow fat fraction and bone fragility represented by a severity score of vertebral fractures. The secondary objective is to assess the correlation with clinical and biological prognostic factors and scores..
Evaluation of Balance and Gait Weight Distribution in Patients With Vertebral Column Fractures
Vertebral FractureBalance2 moreVertebral column fracture presents a significant warning of subsequent osteoporotic fracture and frequent falls. The presence of an osteoporotic vertebral fracture is also a predictor of further risk of vertebral and other osteoporotic fractures. This study provides balance assessment and gait evaluation for subjects with a known vertebral fracture. Subjects are the known cases of vertebral fracture living in the community. They will be assessed for their balance and gait weight distribution by the TechnoBody for their balance ability, and the Zebris Gait System for the gait weight distribution. The Humac Norm for the lower limb muscle strength.