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Results 101 - 150 of 1712
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Li Jingfeng - - 2011
The aim of the prospective, comparative radiographic analysis was to determine the role of the fulcrum-bending radiograph (FBR) for the assessment of the proximal thoracic (PT), main thoracic (MT), and the thoracolumbar/lumbar (TL/L) curves in patients undergoing posterior spinal pedicle screw fixation and fusion for adolescent idiopathic scoliosis (AIS). The ...
Yang Huilin - - 2011
Indirect reduction and fixation is not a new method in the treatment of thoracolumbar burst fractures but the indications and efficacy are controversial. The current study was designed to evaluate the efficacy of indirect reduction without fusion. Sixty-four patients with single-level thoracolumbar burst fractures were identified and treated by this ...
Videbaek Tina S - - 2010
STUDY DESIGN.: Randomized clinical trial. OBJECTIVE.: To analyze the long-term clinical impact of anterior column support on sagittal balance after lumbar spinal fusion. SUMMARY OF BACKGROUND DATA.: Several investigators have stressed the importance of maintaining sagittal balance in relation to spinal fusion to avoid lumbar "flat back," accelerated adjacent segment ...
Han Wu - - 2010
The technique of computer-assisted pedicle screw installation and its clinical benefit as compared with conventional pedicle screw installation was evaluated. Twenty-two patients had thoracic screw insertion under 3-dimentional computer-assisted navigation (92 screws) and 20 patients under conventional fluoroscopic control (84 screws). The 2 groups were compared for accuracy of screw ...
Cunningham Bryan W - - 2010
OBJECT: Using an in vivo caprine model, authors in this study compared the efficacy of autologous growth factors (AGFs) with autogenous graft for anterior cervical interbody arthrodesis. METHODS: Fourteen skeletally mature Nubian goats were used in this study and followed up for a period of 16 weeks postoperatively. Anterior cervical ...
Lee Choon Sung - - 2010
STUDY DESIGN: Restrospective case series. OBJECTIVE: To determine changes in the end vertebra and neutral vertebra, and in the magnitudes of coronal and rotational deformities according to position and anesthesia in patients with adolescent idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: Although it is known that coronal deformity of scoliosis has ...
Ploumis Avraam - - 2010
OBJECT: The objective of this study was to examine the efficacy and safety of Healos graft carrier with bone marrow aspirate and local autograft compared with the results of allograft in patients with lumbar degenerative scoliosis undergoing posterolateral fusion. METHODS: Twenty-eight patients with degenerative scoliosis underwent posterolateral instrumented fusion and ...
Hope Matthew - - 2010
The standard treatment for a non-union of the hallux metatarsophalangeal joint fusion has been to revise the fusion. Revision fusion is technically more demanding, often involving bone grafting, more substantial fixation and prolonged period of immobilization postoperatively. We present data to suggest that removal of hardware and debridement alone is ...
Cho Kyu-Jung - - 2010
STUDY DESIGN: A retrospective study of clinical results of operative treatment for degenerative lumbar scoliosis. OBJECTIVE: To determine the risk factors of sagittal decompensation after long instrumentation and fusion to L5 or S1. SUMMARY OF BACKGROUND DATA: Little is known about the risk factors for sagittal decompensation, which was defined ...
Watanabe Kota - - 2010
OBJECT: The aim in this study was to evaluate the efficacy of the ball tip technique in placing thoracic pedicle screws (TPSs), as compared with the conventional freehand technique, in both a cadaveric study and a clinical study of patients with adolescent idiopathic scoliosis. Although posterior spinal surgery using TPSs ...
Wu Han - - 2010
To evaluate the accuracy of computer-assisted pedicle screw installation and its clinical benefit as compared with conventional pedicle screw installation techniques. Total 176 thoracic pedicle screws placed in 42 thoracic fracture patients were involved in the study randomly, 20 patients under conventional fluoroscopic control (84 screws) and 22 patients had ...
Grivas Theodoros B - - 2011
Idiopathic scoliosis (IS) is characterized by the lateral deviation of the spine and constitutes a three-dimensional distortion that leads to geometric and morphological lesions in the spine and thoracic cage. The most widespread method of conservative management is to use spinal orthoses or body braces. These are usually recommended in ...
Koptan Wael - - 2011
Cervical tuberculous spondylodiscitis is a serious, hazardous disorder and to our knowledge, hardly any reports focused on the use of titanium mesh cages in its treatment. The aim of this work is to evaluate the efficacy of using a titanium mesh cage compared to iliac crest grafting regarding correction of ...
Nagasao Tomohisa - - 2010
This study aimed to elucidate dynamic effects of the Nuss procedure on the spine in the treatment of patients with pectus excavatum with asymmetric thoraces. Twenty-five patients with pectus excavatum who underwent the Nuss procedure were categorized into 4 groups by preoperative morphology of the spine and thoracic asymmetry. In ...
Lee Tao-Chen - - 2010
Extracorporeal shock wave (ESW) has been introduced to enhance spinal fusion. This study was conducted to assess the effect of ESW on bone morphogenetic protein-2 (BMP-2) expression in a spinal fusion experiment. Twelve rabbits underwent fusion at bilateral L5-6 intertransverse spaces. They were evenly divided into two groups. In the ...
Ishii Ken - - 2010
Retrospective radiographic/imaging study. To evaluate preoperative and sequential postoperative radiographs following C1-C2 arthrodesis for atlantoaxial subluxation in patients with rheumatoid arthritis (RA) to determine risk factors for the development of subaxial subluxations (SAS). The development of SAS has often been observed after C1-C2 arthrodesis. However, there have been no previous ...
Dufour Thierry - - 2010
High incidence of subsidence in cervical stand-alone cages was reported in the literature. The goal of this study was to assess the radiological outcomes of a PEEK anchored stand-alone cage (MC+®) with a minimum of 1 year follow-up. A retrospective radiological evaluation. The study was conducted in 4 hospitals and ...
Putzier Michael - - 2010
Progression of degeneration is often described in patients with initially degenerated segment adjacent to fusion (iASD) at the time of surgery. The aim of the present study was to compare dynamic fixation of a clinically asymptomatic iASD, with circumferential lumbar fusion alone. 60 patients with symptomatic degeneration of L5/S1 or ...
Glassman Steven D - - 2011
Potential complications related to ectopic bone formation, as seen with transforaminal lumbar interbody fusion, have always been a concern with the use of bone morphogenetic proteins (BMPs). Although less clearly anticipated, complications related to the proinflammatory effects of recombinant human bone morphogenetic protein-2 (rhBMP-2), such as swelling and edema in ...
Niu Chi-Chien - - 2010
A prospective study was performed in case with cervical spondylosis who underwent anterior cervical discectomy and fusion (ACDF) with titanium or polyetheretherketone (PEEK) cages. To find out which fusion cage yielded better clinical and radiographic results. Although use of autogenous iliac-bone grafts in ACDF for cervical disc diseases remain standard ...
Lee Sang-Ho - - 2010
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: The purpose of this study was to examine the changes in spinopelvic alignment after interspinous soft stabilization (ISS) with a tension band system and to identify the lumbosacral parameters related to those changes and to determine their impact on the clinical outcomes compared with ...
Lee Sun-Ho - - 2010
We compared the clinical and radiological results of posterior atlantoaxial fixation surgery using transarticular screws to those using a polyaxial screw-rod system in 55 patients with symptomatic atlantoaxial instability. Patients underwent posterior C1-C2 fixation: 28 patients (group 1) underwent C1-C2 transarticular screw fixation and 27 patients (group 2) underwent C1 ...
Erturer Erden - - 2010
We retrospectively studied the cases with tuberculous spondylitis of thoracolumbar region with two or more levels of involvement that underwent posterior instrumentation and fusion and anterior fusion with titanium mesh following anterior decompression using simultaneous successive posterior-anterior-posterior surgery. Among all patients with tuberculous spondylitis accompanied by medium or severe kyphosis, ...
Tao Fenghua - - 2011
We postulated that the lowest instrumented vertebra (LIV) can be determined based on the apical vertebra. Seventy-two Lenke type 1 patients (average age: 13.6 years) receiving posterior spinal fusion were randomised into two groups. In group A, the apical vertebra was used to determine the LIV and in group B ...
Liu Tao - - 2011
The objective of the study is to perform a systematic review to compare the clinical outcomes and complications of anterior surgery with posterior surgery for multilevel cervical myelopathy (MCM). MEDLINE, EMBASE databases and other databases were searched for all the relevant original articles published from January 1991 to November 2009 ...
Hong Paul - - 2010
Ankyloglossia is a congenital condition in which tongue mobility is limited due to an abnormality of the lingual frenulum. The impact of ankyloglossia on breastfeeding is poorly understood but there is a recent trend toward more recognition of this condition and early intervention when needed. Currently, there lacks clear definition ...
Kim Jeung Il - - 2010
STUDY DESIGN: We operated on 21 patients with a postoperative deep wound infection. All the patients underwent implant removal and wide debridement. One patient lost to follow-up was excluded. OBJECTIVE: To reduce the number of debridements and manage uncontrolled spine infection. SUMMARY OF BACKGROUND DATA: There are a few reports ...
Katz Donald E - - 2010
BACKGROUND: The efficacy of brace treatment for patients with adolescent idiopathic scoliosis remains controversial, and effectiveness remains unproven. We accurately measured the number of hours of brace wear for patients with this condition to determine if increased wear correlated with lack of curve progression. METHODS: Of 126 patients with adolescent ...
Maserati Matthew B - - 2010
The authors report the use and preliminary results of a novel hybrid dynamic stabilization and fusion construct for the surgical treatment of degenerative lumbar spine pathology. The authors performed a retrospective chart review of all patients who underwent posterior lumbar instrumentation with the Dynesys-to-Optima (DTO) hybrid dynamic stabilization and fusion ...
Ko Chin-Chu - - 2010
Dynamic stabilization systems are used to stabilize degenerative lumbar spondylosis. Loosening of the pedicle screws in such nonfusion implants is predictable. This retrospective study evaluated the incidence of screw loosening and its effect on clinical outcomes. Charts, radiographic films, and medical records of 71 consecutive patients who underwent decompression using ...
Hoh Daniel J - - 2010
OBJECT: Effective methods for fixation of the axis include C1-2 transarticular and C-2 pedicle screw placement. Both techniques pose a risk of vertebral artery (VA) injury in patients with narrow pedicles or an enlarged, high-riding VA. Pars screws at C-2 avoid the pedicle, but can cause VA injury with excessively ...
Schulte Tobias L - - 2010
During anterior scoliosis instrumentation with a dual-rod system, the vertebrae are dissected anterolaterally. After surgery, some patients report a change in temperature perception and perspiration in the lower extremities. Sympathetic lesions might be an explanation for this. The aim of this clinical study was to investigate sympathetic function after anterior ...
Squires Jason - - 2010
Placement of C1 lateral mass screws may be facilitated by intentional C2 root sacrifice. Functional outcomes and morbidity following intentional sacrifice of the C2 root have not been reported in the literature. The objective is to find out if intentional C2 nerve root sacrifice affects functional outcomes and operative morbidity ...
Cunningham Bryan W - - 2010
Posterior dynamic spinal stabilization systems are intended to restore near-normal biomechanical function of the spine without inducing unnatural stresses to the spinal elements or eliciting a histopathological response. These devices must resist loosening within the challenging biomechanical environment of the lumbar spine. To determine the biomechanical effects of the Dynesys ...
Hempelmann Ralf G - - 2010
The conservative and operative treatment strategies of hematogenous spondylodiscitis in septic patients with multiple risk factors are controversial. The present series demonstrates the outcome of 18 elderly patients (median age, 72 years) with septic hematogenous spondylodiscitis and intraspinal abscess treated with microsurgical decompression and debridement of the infective tissue, followed ...
Delawi D - - 2010
A prospective, randomized, controlled, multicenter clinical study. To evaluate the safety and feasibility of osteogenic protein (OP)-1 in 1-level lumbar spine instrumented posterolateral fusions. Instrumented posterolateral fusion with the use of autograft is a commonly performed procedure for a variety of spinal disorders. However, harvesting of bone from the iliac ...
Taghavi Cyrus E - - 2010
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: Compare the efficacy of rhBMP-2 and bone marrow aspirate with allograft (BMAA) as alternatives to autograft in instrumented revision posterolateral lumbar fusion (PLF). SUMMARY OF BACKGROUND DATA: The use of autogenous bone graft is the current gold standard in revision PLF; however, this practice ...
Kaner Tuncay - - 2010
This article describes the clinical and radiological outcomes of a comparison of posterior dynamic transpedicular stabilization and posterior rigid transpedicular stabilization with fusion after decompression in the treatment of degenerative spondylolisthesis. This prospective clinical and radiologic study was conducted between 2004 and 2007 and included 46 patients, of whom 33 ...
Kim Jin-Sung - - 2010
BACKGROUND CONTEXT: We previously reported the preliminary results of minimally invasive anterior lumbar interbody fusion (mini-ALIF) with percutaneous pedicle screw fixation (PPF) in 2004. PURPOSE: To investigate the long-term results of mini-ALIF followed by PPF for the treatment of back and leg pain in adult isthmic spondylolisthesis. STUDY DESIGN: Retrospective ...
Kim Jin-Sung - - 2010
BACKGROUND: Instrumented circumferential fusion has been used as a primary and salvage procedure in lumbar spine fusion, especially for adult low-grade isthmic spondylolisthesis. Recently, instrumented anterior lumbar interbody fusion (ALIF) has been shown to provide good clinical and radiologic results that are comparable with those attained with traditional lumbar fusion. ...
Kim Kyeong Hwan - - 2010
OBJECT: The purpose of the present study was to evaluate the efficacy of anterior polymethylmethacrylate (PMMA) cement augmentation in instrumented anterior lumbar interbody fusion (ALIF) for patients with osteoporosis. METHODS: Sixty-two patients with osteoporosis who had undergone single-level instrumented ALIF for spondylolisthesis and were followed for more than 2 years ...
Cheng Ivan - - 2010
STUDY DESIGN: Biomechanical analysis of derotational load-to-failure of pedicle screw (PS) instrumentation in cadaveric thoracic spinal segments. OBJECTIVE: To investigate the derotational torque that can be applied to the thoracic spine through different linked constructs and evaluate the modes of failure. SUMMARY OF BACKGROUND DATA: Thoracic derotation with PSs has ...
Lonner Baron S - - 2010
STUDY DESIGN: A retrospective review of clinical and radiographic data from a multicenter adolescent idiopathic scoliosis (AIS) database. OBJECTIVE.: The purpose of this study was to perform a comprehensive radiographic evaluation of the differences in pelvic parameters between 2 groups (white and black) in a scoliotic population. SUMMARY OF BACKGROUND ...
Cabraja M - - 2010
Different expandable and non-expandable fusion cages have gained acceptance in spinal surgery. We compared the radiological outcome of titanium cages with mounted wings to cages with additional anterior plating. We performed a retrospective study of 44 patients after single or two-level cervical corpectomy. For reconstruction of the anterior column two ...
Na Ki-Ho - - 2010
Retrospective radiographic study. To evaluate the efficacy of the proximal lumbar curve flexibility compared with the traditional whole lumbar curve flexibility in patients with main thoracic adolescent idiopathic scoliosis (MT-AIS). Traditionally the flexibility of the whole lumbar curve was measured, and the flexibility of the proximal lumbar curve was not ...
Suzuki Hidekazu - - 2010
STUDY DESIGN: Cross-sectional study of total sagittal spinal alignment in lumbar spinal canal stenosis (LCS) patients with and without intermittent claudication. OBJECTIVE: To evaluate total sagittal spinal alignment in LCS. SUMMARY OF BACKGROUND DATA: The sagittal spinal alignment is an important factor in the management of lumbar degenerative diseases and ...
Zhang Hongqi - - 2010
The correction of cervical kyphosis is a challenging problem in spinal surgery. Several reports exist regarding the surgical correction of severe rigid cervical kyphosis; however, no detailed reports exist on the correction of severe rigid nonangular cervical kyphosis. The goal of this study was to analyze the clinical and radiographic ...
Korovessis Panagiotis - - 2010
STUDY DESIGN: Prospective controlled clinical study on low back pain (LBP). OBJECTIVE: To investigate the possible effects of radiographic and other related parameters on LBP in patients underwent decompression and posterolateral instrumented fusion for degenerative lumbar spine disease. SUMMARY OF BACKGROUND DATA: Sagittal balance of the spine after spine surgery ...
Chunguang Zhou - - 2010
BACKGROUND: Very less literature focuses on the treatment of kyphosis in healed stages of spinal tuberculosis (TB), especially in children. The purpose of this study was to evaluate the outcomes of anterior release, decompression, deformity correction, and instrumented fusion, followed by posterior osteotomy, deformity correction, and pedicle screw instrumented fusion, ...
Shen Hong Xing - - 2010
STUDY DESIGN: Consecutive case series. OBJECTIVE: The purpose of this study was to analyze the pseudarthrosis rate in a large series of recombinant human bone morphogenetic protein-2 (rhBMP-2) augmented multilevel (> or =3 levels) anterior cervical fusions. SUMMARY OF BACKGROUND DATA: The reported pseudarthrosis rate following anterior cervical fusion varies ...
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