The positive correlation between upper adjacent vertebral fracture and the kyphosis angle of injured vertebral body after percutaneous kyphoplasty: An in vitro study

Lu, Jia‐Bao; Jiang, Guoqiang; Lü, Bin; Shi, Chaolu; Luo, Kefeng; Yue, Bing

doi:10.1016/j.clineuro.2015.10.026

Cited by 11 publications

(7 citation statements)

References 18 publications

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“…Risk factors of AVF after surgery have been reported as kyphosis angle of the injured vertebral body and spinopelvic imbalance in the fractured area. 18,19 Interestingly, the present study also suggested postoperative correction loss of LKA was involved in the pathogenesis of postoperative AVF.…”

Section: Discussionsupporting

confidence: 65%

“…The etiology of progressive kyphotic deformity involved in insufficient correction of LKA, is considered as postoperative correction loss of LKA and occurrence of AVF. Risk factors of AVF after surgery have been reported as kyphosis angle of the injured vertebral body and spinopelvic imbalance in the fractured area 18,19 . Interestingly, the present study also suggested postoperative correction loss of LKA was involved in the pathogenesis of postoperative AVF.…”

Section: Discussionsupporting

confidence: 64%

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Surgical Outcomes After Minimally Invasive Direct Lateral Corpectomy with Percutaneous Pedicle Screws for Osteoporotic Thoracolumbar Vertebral Collapse with Neurologic Deficits in the Thoracolumbar Spine Compared with Those After Posterior Spinal Fusion with Vertebroplasty

Ohba

Oba

Oda

et al. 2021

Spine

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Study Design. Retrospective observational study of a cohort of consecutive patients.Objective. The aim of this study was to compare surgical invasion, mechanical complications, and clinical and radiological outcomes 2 years after surgery between minimally invasive corpectomy following percutaneous pedicle screw placements (X-core/PPS) and posterior fixation with vertebroplasty (VP) for treating osteoporotic vertebral fractures (OVFs), which failed conservative treatment due to neurological deficits. Summary of Background Data. Numerous studies have proposed surgical procedures to treat OVFs that fail conservative treatment. However, an optimal approach remains controversial because patients often have numerous comorbid medical complications, frequent instrumentation failure, and/or adjacent vertebral fracture (AVF). Recently, a minimally invasive lateral approach has attracted attention as an alternative procedure to the thoracolumbar junction for corpectomy and expandable cage replacement (X-Core Adjustable VBR System). However, its usefulness and validity is largely unknown.Methods. A cohort of 102 consecutive patients with OVF at T11-L1 who underwent surgery were followed up for >2 years after surgery. Ultimately 50 patients were included in the VP group and 45 in the X-core/PPS group. Surgical invasion, radiological examinations, and clinical outcomes between two procedures were compared. Results. Both X-core/PPS and VP procedures were safe and acceptable for neurological improvement and surgical invasion. The correction loss of local kyphotic angle (LKA) and occurrence of AVF were significantly less in the X-core/PPS group. Oswestry Disability Index in the X-core/PPS group at 2 years after surgery showed better recovery than that in the VP group, and no revision surgery was needed in the X-core/PPS group. Postoperative correction loss of LKA increased significantly when intraoperative endplate injury developed. Conclusion. This next-generation minimally invasive anterior and posterior combined surgery was found to be a safe and useful procedure for OVF treatment to reduce correction loss, mechanical complication, and AVF, resulting in less postoperative low back pain.

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Section: Discussionsupporting

confidence: 65%

Section: Discussionsupporting

confidence: 64%

Surgical Outcomes After Minimally Invasive Direct Lateral Corpectomy with Percutaneous Pedicle Screws for Osteoporotic Thoracolumbar Vertebral Collapse with Neurologic Deficits in the Thoracolumbar Spine Compared with Those After Posterior Spinal Fusion with Vertebroplasty

Ohba

Oba

Oda

et al. 2021

Spine

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“…The mechanisms of pain relief after PKP are as follows: (1) During the solidification process of bone cement, heat produces a certain burning effect on nerve endings, which relieves pain; (2) after a compression fracture, the axis of gravity of the body moves forward, and to maintain the balance of the body posture, the muscles of the lower back will be in a state of excessive contraction for a long time, resulting in chronic pain in the lower back [ 27 ]. PKP can relieve lower back pain by restoring the abnormal geometry of the vertebral body and stabilizing the abnormal biomechanics [ 28 ].…”

Section: Discussionmentioning

confidence: 99%

Efficacy of percutaneous kyphoplasty on vertebral compression fractures with different bone mineral densities: a retrospective study

Chen

Cao

2023

BMC Musculoskelet Disord

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Background This study was performed to investigate the clinical efficacy of percutaneous kyphoplasty (PKP) for vertebral compression fractures with different bone mineral densities (BMD). Methods We performed a retrospective analysis of 232 patients with single-segment vertebral compression fractures who underwent PKP. Patients were divided into the normal BMD, osteopenia, and osteoporosis groups according to their average lumbar BMD before surgery. The visual analog scale (VAS) was used to compare differences in pain relief before and after surgery in each group. Corrections of the wedge angle and kyphotic angle before and after surgery were observed using anteroposterior and lateral radiographs and compared among the groups, as was the incidence of bone cement leakage. Results Patients were followed up for 6–12 months, with an average follow-up time of 9.12 ± 1.68 months. The VAS score, wedge angle, and kyphotic angle of the three groups of patients decreased significantly at the end of the follow-up (P < 0.05). The changes in VAS score and wedge angle correction in the osteoporosis group were significantly larger than those in the normal BMD and osteopenia groups (P < 0.05). There were no significant differences among the three groups in terms of kyphotic angle correction or bone cement leakage rates (P > 0.05). Conclusions PKP has a positive effect on vertebral compression fractures with different BMD, and is especially suitable for osteoporotic vertebral compression fractures.

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“…New adjacent vertebral body fractures associated with cement augmentation have been reported. A cadaveric study showed that for a reduction in the risk of upper adjacent vertebral fracture, it was better to restore the height of the injured vertebral body, and to decrease the angle of kyphosis [ 32 ]. In one finite element model performed by Ottardi et al, they report that kyphoplasty rather than vertebroplasty is preferred due to the ability to restore the initial vertebral body height, reduce the stresses on the adjacent endplates and decrease the risk of fracture [ 33 ].…”

Section: Discussionmentioning

confidence: 99%

“Double Cross Sign” Could Be an Indicator of an Adequate Amount of Bone Cement in Kyphoplasty with the SpineJack System: A Retrospective Study

2022

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Kyphoplasty with the SpineJack system was able to restore vertebral height and stabilize the vertebra with an injection of bone cement. The goal of this study was to seek a reliable assessing method during the surgery in determining the minimum amount of bone cement required for the SpineJack system to restore vertebral height and stabilize the vertebra. We defined the “double cross sign” as bone cement that expanded vertically along the bilateral SpineJack system, and spread across the midline of the vertebral body as viewed in the anteroposterior (AP) view of the radiographic image. Sixty-five patients aged 74.5 ± 8.5 years with vertebral compression fracture were included in the study. Patients with a positive double cross sign had better ODI score than those without the double cross sign (20.0 ± 6.9 vs. 32.3 ± 8.2; p < 0.001). Postoperative regional kyphotic and local kyphotic angle were significantly better in the positive double cross sign group (11 ± 8.8 degrees vs. 5.3 ± 3.2 degrees; p = 0.001/11.7 ± 6.2 degrees vs. 6.6 ± 4.1 degrees; p = 0.001, respectively). The more stable construct was built once the double cross sign was achieved during surgery. In this study, a convenient and intuitive method in identifying the minimum but sufficient quantity of injected cement during the SpineJack procedure was developed.

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The positive correlation between upper adjacent vertebral fracture and the kyphosis angle of injured vertebral body after percutaneous kyphoplasty: An in vitro study

Cited by 11 publications

References 18 publications

Surgical Outcomes After Minimally Invasive Direct Lateral Corpectomy with Percutaneous Pedicle Screws for Osteoporotic Thoracolumbar Vertebral Collapse with Neurologic Deficits in the Thoracolumbar Spine Compared with Those After Posterior Spinal Fusion with Vertebroplasty

Surgical Outcomes After Minimally Invasive Direct Lateral Corpectomy with Percutaneous Pedicle Screws for Osteoporotic Thoracolumbar Vertebral Collapse with Neurologic Deficits in the Thoracolumbar Spine Compared with Those After Posterior Spinal Fusion with Vertebroplasty

Efficacy of percutaneous kyphoplasty on vertebral compression fractures with different bone mineral densities: a retrospective study

“Double Cross Sign” Could Be an Indicator of an Adequate Amount of Bone Cement in Kyphoplasty with the SpineJack System: A Retrospective Study

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