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Article
Open AccessAge-related changes and sex differences in ankle plantarflexion velocity
Ankle plantar flexors play a vital role in the mobility of older adults. The strength and velocity of plantarflexion are critical factors in determining walking speed. Despite reports on how age and sex affect...
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Article
Posterolateral full-endoscopic debridement and irrigation is effective in treating thoraco-lumbar pyogenic spondylodiscitis, except in cases with large abscess cavities
To determine the efficacy and poor prognostic factors of posterolateral full-endoscopic debridement and irrigation (PEDI) surgery for thoraco-lumbar pyogenic spondylodiscitis.
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Article
Real-world persistence of twice-weekly teriparatide and factors associated with the discontinuation in patients with osteoporosis
A 28.2 μg twice-weekly formulation of teriparatide (2/W-TPD) was developed to provide comparably high efficacy for osteoporosis to a 56.5 μg once-weekly formulation while improving the safety and persistence r...
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Article
Association between obesity and ossification of spinal ligaments in 622 asymptomatic subjects: a cross-sectional study
Previous studies on patients with symptoms of spinal ligament ossification, including ossification of the posterior longitudinal ligament (OPLL) and ligamentum flavum (OLF), have not clarified whether obesity ...
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Article
Radical resection for solitary thoracic spinous-process metastasis: a case report and technical note
Bone metastases confined to the posterior elements of the spine are rarely treated, as there exist no established radical surgical treatment options for this area. Herein, we present a case report of and techn...
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Article
Open AccessIn vivo deformation of anatomically pre-bent rods in thoracic adolescent idiopathic scoliosis
Some surgical strategies can maintain or restore thoracic kyphosis (TK); however, next-generation surgical schemes for adolescent idiopathic scoliosis (AIS) should consider anatomical corrections. A four-dimen...
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Article
Open AccessShort- versus long-segment posterior spinal fusion with vertebroplasty for osteoporotic vertebral collapse with neurological impairment in thoracolumbar spine: a multicenter study
Vertebroplasty with posterior spinal fusion (VP + PSF) is one of the most widely accepted surgical techniques for treating osteoporotic vertebral collapse (OVC). Nevertheless, the effect of the extent of fusio...
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Article
Open AccessEffect of bisphosphonates or teriparatide on mechanical complications after posterior instrumented fusion for osteoporotic vertebral fracture: a multi-center retrospective study
The optimal treatment of osteoporosis after reconstruction surgery for osteoporotic vertebral fractures (OVF) remains unclear. In this multicentre retrospective study, we investigated the effects of typically ...
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Article
A Case Report of Huge Sacrum Undifferentiated Pleomorphic Sarcoma Treated with Two Separate Surgeries of Decompression and Stabilization
Primary sacrum undifferentiated pleomorphic sarcoma (UPS) is an extremely rare malignant lesion. Furthermore, sacral tumor is often an uncontrollable condition, because the first diagnosis is usually made at a...
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Article
Open AccessGenome-wide association study identifies 14 previously unreported susceptibility loci for adolescent idiopathic scoliosis in Japanese
Adolescent idiopathic scoliosis (AIS) is the most common pediatric spinal deformity. Several AIS susceptibility loci have been identified; however, they could explain only a small proportion of AIS heritabilit...
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Article
Open AccessSurgical outcomes of spinal fusion for osteoporotic thoracolumbar vertebral fractures in patients with Parkinson’s disease: what is the impact of Parkinson’s disease on surgical outcome?
To date, there have been little published data on surgical outcomes for patients with PD with thoracolumbar OVF. We conducted a retrospective multicenter study of registry data to investigate the outcomes of f...
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Article
Open AccessAutomated noninvasive detection of idiopathic scoliosis in children and adolescents: A principle validation study
Idiopathic scoliosis is the most common pediatric musculoskeletal disorder that causes a three-dimensional deformity of the spine. Early detection of this progressive aliment is essential. The aim of this stud...
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Article
18F-FDG-PET/CT localizes intervertebral disc space infection following posterior lumbar interbody fusion surgery leading to successful retention of percutaneously inserted pedicle screws: a case report
Postoperative infection is a potentially devastating complication of spine surgery and an appropriate strategy and timely decision-making are essential for successful treatment of deep surgical site infection ...
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Article
Peri-operative complications of lumbar spine surgery in patients over eighty five years of age: a retrospective cohort study
To compare peri-operative complication rates in ≥ 85-year-old patients who underwent decompression surgery with or without instrumented fusion for degenerative disorders.
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Article
Open AccessEffect of teriparatide (rh-PTH 1–34) versus bisphosphonate on the healing of osteoporotic vertebral compression fracture: A retrospective comparative study
Teriparatide (recombinant human parathyroid hormone 1–34) is increasingly used for the treatment of severe osteoporosis because it stimulates bone formation and may potentially enhance fracture healing. The ob...
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Article
Does spinopelvic alignment affect the union status in thoracolumbar osteoporotic vertebral compression fracture?
In the healing of osteoporotic vertebral fracture, global spinal mal-alignment might increase the load sharing at the fracture site and deteriorate the fracture healing. This study aimed to evaluate the effect...
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Article
Efficacy of ankle-brachial index as a preoperative screening in spine surgery
The aims of this study were to investigate the prevalence of peripheral arterial disease (PAD) and specify the patients who are necessary to measure ankle-brachial index (ABI) as a preoperative PAD screening i...
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Article
Does balloon kyphoplasty improve the global spinal alignment in osteoporotic vertebral fracture?
Balloon kyphoplasty (BKP) has been a well-accepted procedure in the treatment of osteoporotic vertebral compression fracture (OVCF), whereas it remains unclear whether or not this procedure has an impact on th...
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Article
Impact of deep extensor muscle-preserving approach on clinical outcome of laminoplasty for cervical spondylotic myelopathy: comparative cohort study
This study aimed to compare patients undergoing deep extensor muscle-preserving laminoplasty and conventional open-door laminoplasty for the treatment of cervical spondylotic myelopathy (CSM). We specifically ...
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Article
A retrospective study of congenital osseous anomalies at the craniocervical junction treated by occipitocervical plate-rod systems
To evaluate the effectiveness of posterior occipitocervical reconstruction using the anchors of cervical pedicle screws and plate-rod systems for patients with congenital osseous anomalies at the craniocervica...
