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Preoperative and follow-up variations of psoas major muscle are related to S1 screw loosening in patients with degenerative lumbar spinal stenosis
BackgroundIt was reported the paraspinal muscle played an important role in spinal stability. The preoperative paraspinal muscle was related to S1...
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Assessing the utility of MRI-based vertebral bone quality (VBQ) for predicting lumbar pedicle screw loosening
Study DesignRetrospective cohort.
ObjectiveThe purpose of this study is to assess the potential of utilizing the MRI-based vertebral bone quality...
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Forearm bone mineral density predicts screw loosening after lumbar fusion similar to lumbar Hounsfield unit value in patients with lumbar spondylolisthesis
SummaryPreoperative bone density assessment is necessary to predict screw loosening. The forearm BMD is a useful predictor of BMD-related...
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The preoperative Hounsfield unit value at the position of the future screw insertion is a better predictor of screw loosening than other methods
ObjectiveScrew loosening is a widely reported issue after spinal screw fixation and triggers several complications after lumbar interbody fusion....
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Computational model predicts risk of spinal screw loosening in patients
PurposePedicle screw loosening is a frequent complication in lumbar spine fixation, most commonly among patients with poor bone quality. Determining...
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Percutaneous Sacroplasty for Symptomatic Sacral Pedicle Screw Loosening
BackgroundThis study aimed to evaluate the efficacy of fluoroscopy-guided percutaneous sacroplasty in patients with sacral pedicle screws loosening...
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The relationship between S1 screw loosening and postoperative outcome in patients with degenerative lumbar scoliosis
BackgroundWhen choosing S1 as the lowest level of instrumentation, there are many complications may come out such as S1 screw loosening. Facing this...
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Size selection and placement of pedicle screws using robot-assisted versus fluoroscopy-guided techniques for thoracolumbar fractures: possible implications for the screw loosening rate
BackgroundThere has been increased development of robotic technologies for the accuracy of percutaneous pedicle screw placement. However, it remains...
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S2 alar-iliac screw loosening as a preventive factor for hip joint osteoarthritis after adult spinal deformity surgery: a case–control study
PurposeThis study aimed to evaluate the progression of hip pathology and risk factors after ASD surgery.
MethodsThis case–control study enrolled 123...
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Development of a quantitative method to evaluate pedicle screw loosening after spinal instrumentation using digital tomosynthesis
BackgroundIn general, the diagnosis of pedicle screw (PS) loosening is evaluated qualitatively based on the presence of a radiolucent area around the...
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Comparison of cement-augmented pedicle screw and conventional pedicle screw for the treatment of lumbar degenerative patients with osteoporosis
Study designA retrospective cohort study.
ObjectiveTo compare the safety and clinical efficacy between using cement-augmented pedicle screws (CAPS)...
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Risk factors for screw loosening in patients with adult degenerative scoliosis: the importance of paraspinal muscle degeneration
BackgroundParaspinal muscle is an important component to maintain spinal stability. But the relationship between the degeneration of paraspinal...
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Clinical study on freehand of bicortical sacral screw fixation with the assistance of torque measurement device
BackgroundSacral screw loosening is a typical complication after internal fixation surgery through the vertebral arch system. Bicortical fixation can...
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Can cavity-based pedicle screw augmentation decrease screw loosening? A biomechanical in vitro study
PurposeIn an osteoporotic vertebral body, cement-augmented pedicle screw fixation could possibly be optimized by the creation of an initial cavity....
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Cement-augmented pedicle screw for thoracolumbar degenerative diseases with osteoporosis: a systematic review and meta-analysis
BackgroundCement-augmentation pedicle screws have been widely used in spinal internal fixation surgery combined with osteoporosis in recent years,...
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The effect of C2 screw type on perioperative outcomes and long-term stability after C2–T2 posterior cervical decompression and fusion
PurposeTo determine if C2 pedicle versus pars screw type predicts change in fusion status, C2 screw loosening, cervical alignment, and...
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Comparison of the clinical and radiographic outcomes of cortical bone trajectory and traditional trajectory pedicle screw fixation in transforaminal lumbar interbody fusion: a randomized controlled trial
PurposeTo compare the clinical outcomes and radiographic outcomes of cortical bone trajectory (CBT) and traditional trajectory (TT) pedicle screw...
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Connecting the S2 alar-iliac screw head to the satellite rod for surgical correction of degenerative sagittal imbalance
PurposeThe S2AI screw technique has several advantages over the conventional iliac screw fixation technique. However, connecting the S2AI screw head...
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Compressive buttress compared with off-axial screw fixation for vertical femoral neck fractures in young adults: a prospective, randomized controlled trial
BackgroundTo compare the clinical outcomes of compressive buttress screw (CBS) fixation, a novel screw fixation strategy, to off-axial screw fixation...
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Surgeon-designed patient-specific instrumentation improves glenoid component screw placement for reverse total shoulder arthroplasty in a population with small glenoid dimensions
PurposeGlenoid component loosening is a potential complication of reverse total shoulder arthroplasty (rTSA), occurring in part due to lack of...
