scholarly journals Clinical Effects and Complications of Pedicle Screw Augmentation with Bone Cement: Comparison of Fenestrated Screw Augmentation and Vertebroplasty Augmentation

2020 ◽  
Vol 12 (2) ◽  
pp. 194 ◽  
Author(s):  
Jin Hak Kim ◽  
Dong Ki Ahn ◽  
Won Shik Shin ◽  
Myung Jin Kim ◽  
Ho Young Lee ◽  
...  
Keyword(s):  
Bone Cement ◽  
Pedicle Screw ◽  
Clinical Effects ◽  
Screw Augmentation

INVESTIGATION INTO WHETHER OR NOT PMMA BONE CEMENT TRANSPEDICULAR SCREW AUGMENTATION STABILIZES PEDICLE SCREW LOOSENING

2019 ◽  
Vol 19 (02) ◽  
pp. 1940024
Author(s):  
PO-YI LIU ◽  
SHENG-CHIH LIN ◽  
PO-LIANG LAI ◽  
CHUN-LI LIN
Keyword(s):  
Bone Cement ◽  
Pedicle Screw ◽  
Fatigue Resistance ◽  
Fatigue Testing ◽  
Pedicle Screw Fixation ◽  
Screw Loosening ◽  
General Technique ◽  
Screw Augmentation ◽  
Pmma Bone Cement ◽  
Pedicle Screw Loosening

Pedicle screw loosening at the bone–screw interface is the main complication in pedicle screw fixation. The transpedicular polymethylmethacrylate screw augmentation technique has recently become the general technique used to re-operatively overcome pedicle screw loosening. This study investigates the fatigue resistance of PMMA bone cement augmentation. Twenty-seven porcine thoracic vertebral bodies were collected. The BMD was measured using dual X-ray absorptiometry. Each vertebral body was instrumented with one pedicle screw and mounted in a material testing system. Fatigue testing was performed by implementing a cranio-caudal sinusoidal, cyclic (5[Formula: see text]Hz) load. This study shows that transpedicular pedicle screw augmentation with PMMA exhibits similar fatigue resistance as traditional pedicle screw implantation. However, in histomophometrical analysis, the transpedicular pedicle screw augmentation with PMMA has greater anti-deformation capacity than traditional pedicle screw implantation. Transpedicular pedicle screw augmentation with PMMA improves more screw holding power to prevent pedicle screw loosening.

Comparative Assessment of Sacral Screw Loosening Augmented With PMMA Versus a Calcium Triglyceride Bone Cement

2010 ◽  
Author(s):  
Stewart D. McLachlin ◽  
Khalid Al Saleh ◽  
Kevin R. Gurr ◽  
Stewart I. Bailey ◽  
Chris S. Bailey ◽  
...  
Keyword(s):  
Bone Cement ◽  
Pedicle Screw ◽  
Interface Strength ◽  
Comparative Assessment ◽  
Screw Loosening ◽  
Cyclic Bending ◽  
Bone Interface ◽  
Screw Augmentation ◽  
Bending Loads ◽  
Instrumentation Failure

Instrumentation failure in the S1 pedicles as a result of the screw loosening created by large cyclic bending loads is well documented. Biomechanical studies have shown that pedicle screw augmentation with Polymethylmethacrylate (PMMA) can result in improved screw-bone interface strength [1].

scholarly journals Pedicle screw augmentation with bone cement enforced Vicryl mesh

2017 ◽  
Author(s):  
Samuel L. Schmid ◽  
Elias Bachmann ◽  
Michael Fischer ◽  
Dominik C. Meyer ◽  
Christoph A. Gerber ◽  
...  
Keyword(s):  
Bone Cement ◽  
Pedicle Screw ◽  
Screw Augmentation ◽  
Vicryl Mesh

The Biomechanical Properties of Pedicle Screw Fixation Combined With Trajectory Bone Cement Augmentation in Osteoporotic Vertebrae

2016 ◽  
Vol 29 (2) ◽  
pp. 78-85 ◽  
Author(s):  
Haitao T. Fan ◽  
Renjie J. Zhang ◽  
Cailiang L. Shen ◽  
Fulong L. Dong ◽  
Yong Li ◽  
...  
Keyword(s):  
Bone Cement ◽  
Pedicle Screw ◽  
Screw Fixation ◽  
Biomechanical Properties ◽  
Pedicle Screw Fixation ◽  
Cement Augmentation

Long-term efficacy and safety of bone cement-augmented pedicle screw fixation for stage III Kümmell diseaseLong-term efficacy and safety of bone cement-augmented pedicle screw fixation for stage III Kümmell disease

2020 ◽  
Author(s):  
Guo-ye Mo ◽  
Teng-peng Zhou ◽  
Yong-xian Li ◽  
Hui-zhi Guo ◽  
Dan-qing Guo ◽  
...  
Keyword(s):  
Cobb Angle ◽  
Bone Cement ◽  
Pedicle Screw ◽  
Screw Fixation ◽  
Operation Time ◽  
Pedicle Screw Fixation ◽  
Stage Iii ◽  
Efficacy And Safety ◽  
Sagittal Vertical Axis ◽  
Term Efficacy

Abstract Purpose This study aimed to evaluate the efficacy and safety of bone cement-augmented pedicle screw fixation for stage III Kümmell disease. Methods Twenty-five patients with stage III Kümmell disease who received bone cement-augmented pedicle screw fixation at the First Affiliated Hospital of Guangzhou University of Chinese Medicine between June 2009 and December 2015 were enrolled. All patients were females with a history of osteoporosis. The vertebral Cobb angle (V-Cobb angle), the fixed segment Cobb Angle (S-Cobb angle), pelvic parameters, visual Analogue Scale (VAS) score, and Oswestry Disability Index (ODI) were assessed preoperatively, postoperatively and at the final follow-up. Complications, loosening rate, operation time, and intraoperative bleeding were recorded. Results The average lumbar vertebral density T-value was -3.68 ± 0.71 SD, and the average age was 71.84 ± 5.39. The V-Cobb angle, S-Cobb angle, and Sagittal Vertical Axis（SVA） were significantly smaller postoperatively compared to the preoperative values. The VAS and ODI at 1 month after surgery were 3.60 ± 1.00 and 36.04 ± 6.12%, respectively, which were both significantly lower than before surgery (VAS: 8.56±1.04, ODI: 77.80 ± 6.57%). Conclusion Bone cement-augmented pedicle screw fixation is a safe and effective treatment for stage III Kümmell disease. It can effectively correct kyphosis, restore and maintain sagittal balance, and maintain spinal stability.

Assessment of Cancellous Bone Strength in the Lumbar Spine Using a “Smart” Ball-Tip Probe

2010 ◽  
Author(s):  
Kate D. Liddle ◽  
Michael A. Tufaga ◽  
Glenn Diekmann ◽  
Jenni M. Buckley ◽  
Viva Tai ◽  
...  
Keyword(s):  
Pedicle Screw ◽  
Bone Quality ◽  
Local Variation ◽  
Clinical Problem ◽  
Mineral Density ◽  
Pull Out ◽  
Screw Augmentation ◽  
Local Bone ◽  
Highly Correlated ◽  
Operative Assessment

Failure of the pedicle screw at the screw-bone interface is a common clinical problem, particularly in the setting of osteoporosis, and poses reconstructive challenges for all orthopaedic surgeons. Pedicle screw failure through screw loosing and pull-out is highly correlated with bone mineral density (BMD) and local bone quality [1]. Pre-operative assessment of BMD via dual x-ray absorptiometry (DEXA) has been shown to help determine the need for screw augmentation. However, patients frequently present without pre-operative DEXA scans. Furthermore, DEXA scans provide a measure of general bone quality, but do not necessarily reflect segmental and local variation in the spine [2]. The ability to assess BMD on a per-vertebrae basis intra-operatively would assist with surgical decisions regarding screw sizing, placement and augmentation.

scholarly journals Study on clinical effects of pedicle screw combined with immobilized implantation bone by wirerope and hallow compression screw immobilization in treating spondylolysis of lumbar vertebra of multiple segments of adults

2020 ◽  
Vol 6 (3) ◽  
pp. 19
Author(s):  
Dongdong Zhao ◽  
Feng Li ◽  
Yao Wu ◽  
Xiaoyan Zhang
Keyword(s):  
Pedicle Screw ◽  
Screw Fixation ◽  
Pedicle Screw Fixation ◽  
Control Group ◽  
Clinical Effects ◽  
Observation Group ◽  
Intraoperative Blood Loss ◽  
Compression Screw ◽  
Lumbar Spondylolysis ◽  
Duration Of Surgery

Objective: To observe clinical effects of pedicle screw fixation combined with cable wires and bone graft and cannulated compression screws on adult multi-segment lumbar spondylolysis.Methods: 70 cases of patients with multi-segment lumbar spondylolysis were selected in our hospital. According to different surgical schemes, these patients were divided into the observation group (35 cases) and the control group (35 cases). The observation group received pedicle screw fixation combined with cable wires and bone graft and the control group received cannulated compression screw fixation. Macnab criteria were adopted to implement a therapeutic evaluation of two groups of patients to make an observation and comparison of the excellent and good rate of surgery and a series of indicators including perioperative clinical effects, intraoperative blood loss, duration of surgery, hospital length of stay (HLOS), visual analogue scale (VAS), Oswestry disability index and Japanese Orthopaedic Association (JOA) score.Results: The excellent and good rate of the observation group was 97.14%, and that of the control group was 82.86%, the difference between two groups was statistically significant (χ2 = 6.248, p = .012). The differences in intraoperative blood loss, duration of surgery and HLOS between two groups were statistically significant (t = -4.55, t = -4.55, t = -4.55; p < .05). Oswestry index, VAS score and JOA score of the observation group were (2.4 ± 0.9), (28.5 ± 6.4) and (27.1 ± 3.1) respectively, and these of the control group were (3.5 ± 1.2), (37.1 ± 7.8) and (21.3 ± 2.7) respectively, the differences between two groups were statistically significant (t = 4.338, t = 5.043, t = 8.347, p < .05).Conclusions: Pedicle screw combined with immobilized implantation bone by wirerope has an excellent clinical effect on the treatment of adult multi-segment lumbar spondylolysis, and it has a series of advantages such as fast postoperative recovery, small surgical trauma and so on. In addition, this technique can also restore the stability of spinal segments and relieve pains to a greater degree.

scholarly journals Comparison of Percutaneous Kyphoplasty and Bone Cement-Augmented Short-Segment Pedicle Screw Fixation for Management of Kümmell Disease

2018 ◽  
Vol 24 ◽  
pp. 1072-1079 ◽  
Author(s):  
Yan-Sheng Huang ◽  
Ding-Jun Hao ◽  
Hang Feng ◽  
Hai-Ping Zhang ◽  
Si-Min He ◽  
...  
Keyword(s):  
Bone Cement ◽  
Pedicle Screw ◽  
Screw Fixation ◽  
Pedicle Screw Fixation ◽  
Short Segment ◽  
Percutaneous Kyphoplasty
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