Search Results
Results 201 - 250 of 1717
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Basu Saumyajit - - 2010
Though adequate literature is present depicting the results of pedicle screw-rod instrumentation using top loading systems for correction of adolescent idiopathic scoliosis (AIS), using the rod rotation technique, few published data is available regarding side loading systems used for a similar purpose. We report a retrospective study of a cohort ...
Bhojraj Shekhar Y - - 2010
Most literature popularizes the efficacy of third generation instrumentation in the surgical correction of spinal deformities. A cheap and effective scoliotic deformity correction method is reviewed in this article. The aim of this study is to evaluate the efficacy of spinal loop rectangle and sub laminar wires as a modality ...
Henderson Fraser C - - 2010
Chiari malformation, functional cranial settling and subtle forms of basilar invagination result in biomechanical neuraxial stress, manifested by bulbar symptoms, myelopathy and headache or neck pain. Finite element analysis is a means of predicting stress due to load, deformity and strain. The authors postulate linkage between finite element analysis (FEA)-predicted ...
Hasler Carol-Claudius - - 2010
This retrospective study analyses 23 children treated with vertical expandable prosthetic titanium rib (VEPTR) for correction of non-congenital early onset spine deformities. After the index procedure (IP), the device was lengthened at 6-month intervals. The average (av) age at the time of IP was 6.5 years (1.11-10.5). The av follow-up ...
Lee Kwang-Bok - - 2010
Few studies have specifically examined the outcomes following rhBMP-2 usage in patients 65 years and older. The purpose of this retrospective study is to evaluate the efficacy of rhBMP-2 with allograft versus autograft for posterolateral lumbar fusion in patients 65 years and older. One hundred twenty-seven patients were divided into ...
Song Kyung-Jin - - 2009
STUDY DESIGN.: Retrospective study. OBJECTIVE.: To compare the efficacy of anterior cervical discectomy and fusion with cage alone (ACDF-CA) with cage and plate construct (ACDF-CPC) in regards to fusion rate, radiologic and clinical outcomes. SUMMARY OF BACKGROUND DATA.: ACDF-CA has shown good results; however, debate exists regarding the high rate ...
Gordon S - - 2010
Little is known about the torsional properties of bone-plate constructs when a combination of locking and non-locking screws have been used. Sixty cadaveric canine femurs were divided into three groups. In the first group, the plate was affixed using three non-locking screws. In the second group, only locking screws were ...
Hwang Jin-Ho - - 2009
In unstable thoracolumbar fractures T11-L2, exaggerated kyphosis at the end of treatment may predispose to late back pain and poor functional outcome. Short-segment (SS) (3 vertebrae) pedicle instrumentation has become a popular method of treatment. However the question to add a fusion or not is still under debate. The authors ...
Langerak Nelleke G - - 2009
INTRODUCTION: The aim of this study was to evaluate the mechanical status of the spine in patients with spastic diplegia 17-26 years after selective dorsal rhizotomy (SDR). METHODS: We compared original radiographic reports from our earlier short-term follow-up study with current X-rays. In addition, we obtained magnetic resonance images (MRI) ...
Imagama Shiro - - 2009
STUDY DESIGN: A retrospective, comparative study. OBJECTIVE: To assess the effects of soft stabilization with artificial ligamentous bands placed on the upper segment adjacent to posterior lumbar interbody fusion (PLIF) for prevention of transition syndrome compared with patients who underwent PLIF without soft stabilization. SUMMARY OF BACKGROUND DATA: Spine fusion ...
Smiljani? Iva - - 2009
There is a controversy in results about influence of surgery on pulmonary function in idiopathic scoliosis. The aim of the study was to study pulmonary function in severe thoracic idiopathic scoliosis and to detect changes in pulmonary function after the three-dimensional anterior surgical correction in severe thoracic scoliosis. 91 patients ...
Snyman L D - - 2009
The efficacy of activated charcoal as a treatment for cattle (n = 57) poisoned by Yellow tulp (Moraea pallida) was investigated. Treatment with activated charcoal resulted in full recovery, irrespective of the degree of posterior paresis, provided that this clinical sign did not develop within the first 12 hours after ...
Hwang Dae-Woo - - 2009
A retrospective study. To assess the radiographic progression of degenerative lumbar scoliosis after short segment decompression and fusion without deformity correction. The aims of surgery in degenerative lumbar scoliosis are the relief of low back and leg pain along with a correction of the deformity. Short segment decompression and fusion ...
Kim Eung-Ha - - 2009
A retrospective study. An en bloc partial laminectomy and posterior lumbar interbody fusion (PLIF) in spinal stenosis patients with severe foraminal narrowing has a shorter operation time, less neural manipulation and allows indirect decompression by restoring the interforaminal height compared to other procedures. This study investigated the efficacy of the ...
Kwon Soon-Eok - - 2009
Retrospective comparative study. To compare the progression of the kyphotic angle (KA) in a surgically treated group with the predicted outcome of a conservatively treated group. Late onset kyphosis is a complication of tuberculous spondylitis making its prevention a major goal of surgery. Twenty six consecutive patients underwent an anterior ...
Bartie Bruce J - - 2009
STUDY DESIGN: Retrospective functional and radiographic analysis. OBJECTIVE: To analyze the back pain and disability in patients who had instrumentation and fusion to L2, L3, L4, or L5, at least 10 years previously, and to compare them with a control group of the same age, sex, weight, and height. SUMMARY ...
Wang Yan - - 2010
The three-dimensional correction of severe rigid scoliosis has been improved by segmental pedicle screw instrumentation. However, there can be significant difficulty related to the use of a rigid rod, especially in the apex region of severe scoliosis. This study is a retrospective matched cohort study to evaluate the advantages of ...
Potaczek Tomasz - - 2009
BACKGROUND: The treatment of scoliosis exceeding 100 degrees remains a challenge. Anterior fusion only may lead to low correction and screw plowing, posterior fusion only may cause the cranckshaft phenomenon in skeletally immature patients. Two-stage surgery is advocated, comprising anterior release and posterior fusion. MATERIAL AND METHODS: The aim of ...
Uchida Kenzo - - 2009
OBJECT: The effects of sagittal kyphotic deformities or mechanical stress on the development of cervical spondylotic myelopathy, or the reduction and fusion of kyphotic sagittal alignment have not been consistently documented. The aim in this study was to determine the effects of kyphotic sagittal alignment of the cervical spine in ...
Potaczek Tomasz - - 2009
Adolescent idiopathic scoliosis (AIS) is usually instrumented using a posterior approach. Hardware removal may be performed for specific clinical reasons. Little data is available on whether removal influences curve magnitude. The aim of the paper is to evaluate the impact of instrumentation removal on curve progression, and the safety and ...
Caubet Jean-Francois - - 2009
STUDY DESIGN: The medical records of 138 subjects with Early Onset Scoliosis (EOS) from 5 US institutions were reviewed to analyze their hemoglobin levels before and after surgery. Eighty-five subjects were operated with the Vertical Expandable Prosthetic Titanium Rib (VEPTR) and 53 with growing rods. OBJECTIVE: To estimate the prevalence ...
Laurentowska Maria - - 2009
BACKGROUND: The aim of the study was to assess pulmonary function in patients after spinal fusion combined with thoracoplasty in comparison with subjects in whom thoracoplasty was not performed, but who underwent intensive rehabilitation. MATERIAL NA DMETHODS: The study population consisted of two groups of adolescent girls about two years ...
Auerbach Joshua D - - 2009
STUDY DESIGN: Radiographic results from a prospective, randomized, multicenter trial assessing patients who underwent lumbar total disc replacement (TDR) or circumferential arthrodesis for 1-level degenerative disc disease. OBJECTIVE: To quantify the relative segmental contribution to total lumbar range of motion (ROM) at the operative level at each adjacent level in ...
Miyamoto Hiroshi - - 2009
OBJECT: The use of a pedicle screw (PS) in the cervical spine ensures strong fixation. However, 6.7-29% of such screws appear to be malpositioned using manual insertion techniques, especially at C-3 to C-6 where the pedicle diameter is smaller, potentially causing catastrophic complications such as vertebral artery (VA) and spinal ...
Tomasino Andre - - 2009
OBJECT: The authors present the radiological and clinical outcome data obtained in patients who underwent single-level anterior cervical discectomy and fusion (ACDF) for cervical spondylosis and/or disc herniation; bioabsorbable plates were used for instrumentation. The use of metallic plates in ACDF has gained acceptance as a stabilizing part of the ...
G?owacki Maciej - - 2009
OBJECTIVE: To compare subjective treatment outcomes in patients with idiopathic scoliosis who underwent Cotrel-Dubousset instrumentation with rib resection at the curve apex and in patients who did not undergo rib resection at the same time as scoliosis correction. MATERIAL AND METHODS: Treatment outcomes were assessed with the Scoliosis Research Society ...
Kim Kang San - - 2009
To characterize perioperative biomechanical changes after thoracic spine surgery. Fifty-eight patients underwent spinal instrumented fusions and simple laminectomies on the thoracolumbar spine from April 2003 to October 2008. Patients were allocated to three groups; namely, the laminectomy without fusion group (group I, n = 17), the thoracolumbar fusion group (group ...
Grob Dieter - - 2010
Randomised controlled trials (RCTs) of cervical disc arthroplasty vs fusion generally show slightly more favourable results for arthroplasty. However, RCTs in surgery often have limited external validity, since they involve a select group of patients who fit very rigid admission criteria and who are prepared to subject themselves to randomisation. ...
Park Yung - - 2010
BACKGROUND CONTEXT: Single-level corpectomy and two-level discectomy with anterior cervical plating have been reported to have comparable fusion and complication rates. However, there are few large series that have compared the two for sagittal alignment, cervical lordosis, graft subsidence, and adjacent-level ossification. PURPOSE: To determine the differences between these two ...
Harimaya Katsumi - - 2009
STUDY DESIGN: A retrospective evaluation. OBJECTIVE: To evaluate the change in lumbar lordosis in spinal deformity patients who underwent an instrumented posterior spinal fusion on the Orthopedic Systems Inc. (OSI) "Jackson" frame. SUMMARY OF BACKGROUND DATA: Intraoperative prone positioning with hip extension may posturally increase lumbar lordosis during adult spinal ...
Chun Hyoung-Joon - - 2009
STUDY DESIGN: A retrospective study. OBJECTIVE: This retrospective investigation was conducted to determine efficacy and endurance of titanium mesh cage as a strut for interlaminar wiring by comparing with autologous iliac bone graft (AIBG). For patients with atlantoaxial instability (AAI), allograft bone was harvested on an interlaminar mesh cage and ...
Auerbach Joshua D - - 2009
STUDY DESIGN: A retrospective study of 61 patients with cerebral palsy (CP) and neuromuscular scoliosis treated by either a combined anterior-posterior spinal arthrodesis or a posterior-only arthrodesis with the unit rod. OBJECTIVES: Compare coronal and sagittal plane radiographic outcomes in patients undergoing either a combined anterior-posterior spinal fusion (PSF) or ...
Andersen Thomas - - 2009
STUDY DESIGN: Randomized, controlled, multi-center trial. OBJECTIVE: To investigate the effect of direct current (DC) electrical stimulation on functional and clinical outcome after lumbar spinal fusion in patients older than 60 years. SUMMARY OF BACKGROUND DATA: Older patients have increased complication rates after spinal fusion surgery. Treatments which have the ...
Grob D - - 2009
In a prospective observational study we compared the two-year outcome of lumbar fusion by a simple technique using translaminar screws (n = 57) with a more extensive method using transforaminal lumbar interbody fusion and pedicular screw fixation (n = 63) in consecutive patients with degenerative disease of the lumbar spine. ...
Kaner Tuncay - - 2009
AIM: In this study, we examined the results of utilizing the agile posterior dynamic stabilization system with dynamic transpedicular screws in our patients. MATERIAL AND METHODS: Posterior dynamic instrumentation with agile rods and dynamic transpedicular screws was employed in 15 (seven male and eight female) patients (mean age = 42, ...
Andersen Thomas - - 2009
STUDY DESIGN: Randomized, controlled, multi-center trial. OBJECTIVE: To investigate the effect of direct current (DC) electrical stimulation on fusion rates after lumbar spinal fusion in patients older than 60 years. SUMMARY OF BACKGROUND DATA: Older patients have increased complication rates after spinal fusion surgery. Treatments which have the possibility of ...
Kim Sung Chul - - 2009
This is retrospective study of clinical and radiological outcomes of anterior cervical fusion using Bongros-HA (BioAlpha, Seongnam, Korea) which is a type of synthetic hydroxyapatite (HA) spacer to evaluate the efficacy in its clinical application and usefulness as a reliable alternative to autograft bone. Twenty-nine patients were enrolled in this ...
Moon Bong Ju - - 2009
The purpose of this study was to determine the efficacy, radiological findings, clinical outcomes and complications in patients with lumbar stenosis and osteoporosis after the use of polymethylmethacrylate (PMMA) augmentation of a cannulated pedicle screw. Thirty-seven patients with degenerative spinal stenosis and osteoporosis (T-score < -2.5) underwent lumbar fusion using ...
Kwon Young-Min - - 2009
Posterior lumbar interbody fusion (PLIF) is considered to have the best theoretical potential in promoting bony fusion of unstable vertebral segments by way of a load sharing effect of the anterior column. This study was undertaken to investigate the efficacy of PLIF with cages in chronic degenerative disc disease with ...
Abdu William A - - 2009
Clinical trial subgroup analysis. To compare outcomes of different fusion techniques treating degenerative spondylolisthesis (DS). Summary of Background Data. Surgery has been shown to be more effective than nonoperative treatment out to 4 years. Questions remain regarding the differential effect of fusion technique. Surgical candidates from 13 centers in 11 ...
Löfgren Håkan - - 2010
A prospective, randomized, controlled study was carried out to compare the radiological and clinical outcomes after anterior cervical decompression and fusion (ACDF) with Trabecular Metal (TM) to the traditional Smith-Robinson (SR) procedure with autograft. The clinical results of cervical fusion with autograft from the iliac crest are typically satisfactory, but ...
Arun Ranganathan - - 2010
A non-randomised retrospective study to compare the results of surgical correction of scoliosis in Duchenne's muscular dystrophy (DMD) patients using three different instrumentation systems-Sublaminar instrumentation system (Group A), a hybrid of sublaminar and pedicle screw systems (Group B) and pedicle screw system alone (Group C). Between 1993 and 2003, 43 ...
Furtado Sunil V - - 2009
The linear dimensions and volume of the posterior fossa, and the length of the supra-occiput and the clivus in children with Chiari I malformations (CMI) were studied. A statistical relationship between patient demographics, radiological features, posterior fossa and occipital bone morphometry in the study and control groups was investigated. The ...
Sanders James O - - 2009
BACKGROUND: Serial cast correction by using the Cotrel derotation technique is one of several potential treatments for progressive infantile scoliosis. This study reviews our early experience to identify which, if any, patients are likely to benefit from or fail this technique. METHODS: We followed all patients treated at our institutions ...
Ilharreborde Brice - - 2009
BACKGROUND: Lumbosacral fusion is often needed in cases of pediatric neuromuscular spinal deformities. Despite the numerous fixation techniques described, the procedure remains challenging. Jackson has described a method of intrasacral fixation providing immediate 3-dimensional stability and promising clinical results. The purpose of this study was to report our experience with ...
Szwed Aleksander - - 2009
BACKGROUND: Orthopaedic bracing is used in conservative treatment of spinal curvatures. Apart from rigid braces, SpineCor dynamic braces with a flexible design have recently become available. The idea behind dynamic bracing is that derotational and correcting forces are transmitted via a system of corrective bands. The essence of this technique ...
Jasiewicz Barbara B Jagiellonian University Medical College, Department of Orthopaedics and Rehabilitation, Zakopane, Poland. - - 2009
The aim of surgical treatment in idiopathic scoliosis is correction, solid fusion and restoration of normal sagittal alignment of the spinal curves. The goal of this paper is to formulate a new uniform approach to evaluation of treatment outcomes in idiopathic scoliosis patients, considering not only the degree of correction ...
Rohe Simone M - - 2009
The purpose of this study was to prospectively evaluate long-term results after anterior cervical discectomy and titanium cage fusion (ACDF) and titanium cage fusion. Special focus was on the adjacent levels. 54 patients (age: 48+/-10 years; one level operation in 44 patients and two level operation in 10 patients) entered ...
Stavridis Stavros I - - 2010
Implant removal because of pain after posterior fusion in the thoracic and lumbar spine is a widely performed operation. We conducted a retrospective study to examine whether patients benefit from implant removal. 57 patients (29 males, 28 females, mean age 46.5 years) who have undergone removal of pedicle screws because ...
Kunieda E - - 2010
The purpose of this study was to clarify the incidence and characteristics of late-onset complications of the spine in children who underwent intra-operative radiation therapy (IORT) for common paediatric malignant tumours. 12 children with more than 4 years of follow-up after IORT were included and, in 11 of these, thoracic ...
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