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Results 151 - 200 of 1717
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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 ...
Latzman Jonathan M - - 2010
STUDY DESIGN: Retrospective chart review. OBJECTIVE: We reviewed the peri- and postoperative outcomes of our patients who had undergone lumbar and lumbosacral fusion both with and without recombinant human bone morphogenetic protein (rhBMP) over a period of 8 years to assess the frequency of complications and new diagnoses associated with ...
Hankinson Todd C - - 2010
OBJECT: The object of this study was to assess a multiinstitutional experience with pediatric occipitocervical constructs to determine whether a difference exists between the fusion and complication rates of constructs with or without direct C-1 instrumentation. METHODS: Seventy-seven cases of occiput-C2 instrumentation and fusion, performed at 9 children's hospitals, were ...
Hirano Kenichi - - 2010
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: The objective of this study is to evaluate the clinical outcome of occipitothoracic fusion for severe destructive cervical lesions in rheumatoid arthritis (RA) patients with myelopathy and/or occipitocervical pain, and to discuss surgical complications. The complication rates are compared between 2 groups treated with ...
Kocak T - - 2010
PURPOSE OF THE STUDY: The malposition of pedicle screws in the lumbar spine is associated with a potential risk of iatrogenic injury of neurological structures but also with a decrease of biomechanical stability. The correct position of the pedicle screws of a dynamic stabilization device, as a long-term implant, seems ...
Choi Soo Joo - - 2010
STUDY DESIGN: Prospective, randomized, double blind, clinical study. OBJECTIVE: To compare the hemostatic and electrolyte effects of 2 commonly administered hydroxyethyl starches (HES) in patients undergoing posterior lumbar interbody fusion (PLIF). SUMMARY OF BACKGROUND DATA: HES are commonly administered colloid solutions to restore and maintain intravascular volume before transfusion is ...
Carragee Eugene J - - 2010
BACKGROUND CONTEXT: Defining success after spinal surgery remains problematic. The minimal clinically important difference (MCID) in pain or functional outcomes is a common metric often calculated independent of perceived risk and morbidity, which is an important consideration in large procedures such as spinal fusion and instrumentation. PURPOSE: The purpose of ...
Yang Justin S - - 2010
SUMMARY OF BACKGROUND DATA: Growing rods are a commonly used form of growth guidance for patients with early onset scoliosis, but no studies exist to characterize their use among a large group of surgeons. METHODS: A survey regarding growing rod use preferences and a case-based survey regarding early onset scoliosis ...
Jian Feng-Zeng - - 2010
To report the surgical technique and clinical results for the treatment of basilar invagination (BI) with atlantoaxial dislocation (AAD) by direct posterior reduction and fixation using intraoperative distraction between the occiput and C2 pedicle screws. From May 2004 to June 2008, 29 patients who had BI with AAD were surgically ...
Powell John William - - 2010
STUDY DESIGN: Kinematic study of a single site in an investigational device exemption trial. OBJECTIVE: Evaluate the center of rotation (COR) after Bryan cervical arthroplasty and compare adjacent segment motion after cervical disk arthroplasty and fusion using validated radiographic analysis. SUMMARY OF BACKGROUND DATA: The goal of cervical arthroplasty is ...
Abuzayed Bashar - - 2010
The objective of this study is to determine the incidence and degree of anterior clinoid process pneumatization, in addition highlighting to their clinical significance. Multidetector-row CT scans of the skull base were reviewed in 648 subjects between 2007 and 2008. The presence of pneumatized anterior clinoid process and its degree ...
Elsebaie Hazem B HB From the *Cairo University Teaching Hospitals, Cairo, Egypt; †Abulreish Student's Insurance Hospital, Cairo, Egypt; ‡Great Ormond Street Hospital, London, United Kingdom; §University of California, San Diego, CA; and ¶San Diego Center for Spinal Disorders, La Jolla, - - 2010
Retrospective clinical and radiologic evaluation of a single-stage partial corpectomy of the hemivertebra with anterior instrumentation and simultaneous posterior noninstrumented fusion. To determine the safety and efficacy of a new technique in the management of progressive congenital spinal deformities due to failure of formation in the very young age. Several ...
Lee Chong-Suh CS From the Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, - - 2010
A retrospective study. To determine the critical length of fusion that warrants additional stronger fixation in lumbosacral (L-S) fusion, and to analyze the risk factors of nonunion at the L-S junction. Long lever arm fusion down to S1 requires stronger fixation than short lever arm fusion. However, no published criteria ...
Kim Kyeong Hwan KH From the Departments of *Orthopedic Surgery, Hyundae General Hospital, Namyangju, Korea; †Department of Neurosurgery, ‡Radiology, and §Orthopedic Surgery, Wooridul Spine Hospital, Seoul, - - 2010
A retrospective study. The purpose of this study are (1) to analyze prevalence of clinical and radiologic adjacent segment diseases (ASD), (2) to find precipitating factor of clinical ASD in each isthmic and degenerative spondylolisthesis groups, and (3) to compare clinical and radiologic change in isthmic and degenerative spondylolisthesis. There ...
Cheung Wai Yuen - - 2010
STUDY DESIGN: A retrospective series of 35 idiopathic scoliosis patients underwent spinal fusion with a segmental thoracic pedicle screw system. OBJECTIVE: To evaluate the amount of scoliosis correction with segmental pedicle screw constructs, and assess whether the fulcrum bending radiograph can predict surgical correction. SUMMARY OF BACKGROUND DATA: The fulcrum ...
Pang Dachling - - 2010
OBJECTIVE: Atlantoaxial rotatory fixation (AARF) remains a recondite entity. Our normative study using CT motion analysis shows that there is a high degree of concordance for rotational behavior of C1 and C2 in children 0 to 18 years. C1 always crosses C2 at or near 0 degree. The predictable relationship ...
Tsirikos A I - - 2010
We report five children who presented at the mean age of 1.5 years (1.1 to 1.9) with a progressive thoracolumbar kyphosis associated with segmental instability and subluxation of the spine at the level above an anteriorly-wedged hypoplastic vertebra at L1 or L2. The spinal deformity appeared to be developmental and ...
Tormenti Matthew J - - 2010
OBJECT: The authors recently used a combined approach of minimally invasive transpsoas extreme lateral interbody fusion (XLIF) and open posterior segmental pedicle screw instrumentation with transforaminal lumbar interbody fusion (TLIF) for the correction of coronal deformity. The complications and radiographic outcomes were compared with a posterior-only approach for scoliosis correction. ...
Cabraja Mario - - 2010
OBJECT: A variety of anterior, posterior, and combined approaches exist to decompress the spinal cord, restore sagittal alignment, and avoid kyphosis, but the optimal surgical strategy remains controversial. The authors compared the anterior and posterior approach used to treat multilevel cervical spondylotic myelopathy (CSM), focusing on sagittal alignment and clinical ...
Hasler Carol-Claudius - - 2010
Knowledge about segmental flexibility in adolescent idiopathic scoliosis is crucial for a better biomechanical understanding, particularly for the development of fusionless, growth-guiding techniques. Currently, there is lack of data in this field. The objective of this study was, therefore, to compute segmental flexibility indices (standing angle minus corrected angle/standing angle). ...
Nagasao Tomohisa - - 2010
The present study aims to evaluate age-related change of postoperative pain after the Nuss procedure by referring to clinical cases, and to elucidate the biomechanical aetiology of the change by using the finite element method. Twelve paediatric patients (paediatric group: 9.4+/-2.3 years old) and 13 adult patients (adult group: 26.3+/-5.5 ...
Song Kyung-Jin - - 2010
Anterior cervical discectomy and fusion (ACDF) with cage alone (ACDF-C) is associated with a significant incidence of subsidence, local kyphosis, and migration. The use of concurrent plate augmentation may decrease the incidence of these complications while improving the fusion rate. The purpose of the study is to present our results ...
Lian Xiao-Feng - - 2010
Anterior decompression and fusion is an established procedure in surgical treatment for multilevel cervical spondylotic myelopathy (MCSM). However, contiguous corpectomies and fusion (CCF) often induce postoperative complications such as nonunion, graft subsidence, and loss of lordotic alignment. As an alternative, noncontiguous corpectomies or one-level corpectomy plus adjacent-level discectomy with retention ...
McCarthy Kevin P - - 2010
STUDY DESIGN: Pre-post intervention study using outcome measure design. OBJECTIVE: To evaluate the clinical efficacy and functional impact of a fusionless treatment for paralytic scoliosis at 2-year follow-up. SUMMARY OF BACKGROUND DATA: It has been shown that 67% of pediatric patients with progressive paralytic scoliosis require spinal fusion to correct ...
Liu Raymond W - - 2010
STUDY DESIGN: A prospective study comparing supine bending, push-prone, and traction under general anesthesia (UGA) radiographs in adolescent idiopathic scoliosis. OBJECTIVE: To compare the effectiveness of 3 different flexibility methods on structural and nonstructural main thoracic (MT) and thoracolumbar/lumbar (TL/L) curves. SUMMARY OF BACKGROUND DATA: Supine side bending radiographs are ...
Kawaguchi Satoshi - - 2010
To determine the role of percutaneous vertebroplasty (PVP) in bone formation and the union of vertebral pseudarthrosis, we analyzed 14 patients with an average follow-up duration of 21 months. Evaluation methods included back pain (visual analog scale: VAS), wedge angle, dynamic mobility, radiographic remodeling including callus and spur formation, and ...
Kim Jin-Sung - - 2010
OBJECT: The purpose of this study was to investigate and compare clinical and radiographic outcomes of 2 kinds of lumbar interbody fusion (LIF) for the treatment of adult low-grade isthmic spondylolisthesis at L4-5 and L5-S1 levels. METHODS: The medical records and radiographs of 86 patients who underwent anterior LIF (ALIF) ...
Samdani Amer F - - 2010
OBJECTIVE: The placement of thoracic pedicle screws, particularly in the deformed spine, poses unique challenges, and a learning curve. We measured the in vivo accuracy of placement of thoracic pedicle screws by computed tomography in the deformed spine by a single surgeon over time. METHODS: After obtaining institutional review board ...
McAfee Paul C - - 2010
STUDY DESIGN: The current study of 251 consecutive 1-level anterior cervical reconstructions was undertaken to compare the incidence of dysphagia between cervical disk replacement and conventional anterior cervical fusion and instrumentation. OBJECTIVES: This is a report of 251 patients from 5 investigational centers in the Food and drug Administration's prospective, ...
Burn Sasha C - - 2010
OBJECT: Intrathecal baclofen is an effective treatment for spasticity in patients with cerebral palsy. There has been increasing concern, however, that intrathecal baclofen may accelerate the development of scoliosis in this population. To this end, the authors reviewed their population of pediatric patients with baclofen pumps to assess the incidence ...
Ntoukas V - - 2010
OBJECTIVE: While over the last ten years minimally invasive posterior lumbar interbody fusion (PLIF) has been acknowledged to (i) reduce approach-related morbidity associated with quicker recovery, (ii) require a shorter hospital stay and (iii) deliver similar clinical outcomes when compared to a traditional approach, it is still not the current ...
Hong Soon-Woo - - 2010
A retrospective review of clinical data at 1 institution was performed. To compare the clinical and radiologic outcomes between fixed-hole and slotted-hole dynamic cervical plates. Anterior cervical plating is commonly used to increase stability and promote spinal fusion. Two techniques, fixed-hole dynamic plating that uses variable angled screws and slotted-hole ...
Lehman Ronald A RA - - 2010
STUDY DESIGN: Randomized, double-blinded, placebo controlled animal study. OBJECTIVE: To evaluate the effect of teriparatide and calcitonin after an intertransverse process spinal fusion in a rabbit model. SUMMARY OF BACKGROUND DATA: It is widely recognized that some osteoporosis medications, including bisphosphonates, can interfere with bone healing. Although prescribed frequently in ...
Winter Robert B - - 2010
STUDY DESIGN: Retrospective case series. OBJECTIVE: To make clinicians aware of this unusual natural history. SUMMARY OF BACKGROUND DATA: Nonprogressive and progressive scolioses due to hemivertebrae have been abundantly documented in the literature. There has been no article describing spontaneous improvement. Two case reports have been described elsewhere in a ...
Betz Randal R - - 2010
STUDY DESIGN: Retrospective review. OBJECTIVE: To report the results of vertebral body stapling (VBS) with minimum 2-year follow-up in patients with idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: While bracing for idiopathic scoliosis is moderately successful, its efficacy has been called into question, and it carries associated psychosocial ramifications. VBS has ...
Pichelmann Mark A - - 2010
STUDY DESIGN: Retrospective study. OBJECTIVE: To analyze the prevalence of and reasons for unanticipated revision surgery in an adult spinal deformity population treated at one institution. SUMMARY OF BACKGROUND DATA: No recent studies exist that analyze the rate or reason for unanticipated revision surgery for adult spinal deformity patients over ...
Kelly Derek M - - 2010
STUDY DESIGN: A retrospective review of the long-term clinical and radiographic outcomes of anterior spinal fusion with instrumentation for thoracolumbar and lumbar curves in adolescent idiopathic scoliosis (AIS). OBJECTIVE: To evaluate a group of patients based on Scoliosis Research Society (SRS)-30 and Oswestry data as well as radiographic and magnetic ...
Helgeson Melvin D - - 2010
STUDY DESIGN: Retrospective review. OBJECTIVE: To compare the incidence of and risk factors for proximal junctional kyphosis (PJK) in adolescent idiopathic scoliosis (AIS) following posterior spinal fusion using hook, pedicle screw, or hybrid constructs. SUMMARY OF BACKGROUND DATA: Proximal junctional kyphosis is a recently recognized phenomenon in adults and adolescents ...
Verma Rajeev - - 2010
A number of studies have shown increased accuracy of pedicle screw placement in spine with the help of computer-assisted navigation. The literature is lacking in regard to functional benefit derived from this technique. The aim of this systematic review was to look at the functional outcomes following computer-assisted pedicle screw ...
Bunge Eveline M - - 2010
STUDY DESIGN: Discrete choice experiment. OBJECTIVE: To investigate the reduction in the risk of surgery that scoliosis patients would require in order to consider brace treatment as acceptable, and to elicit the trade-offs individuals make between characteristics of brace treatment. SUMMARY OF BACKGROUND DATA: The effectiveness of brace treatment in ...
Miller Daniel J - - 2010
INTRODUCTION: Decompensation of un-fused vertebrae is a potential complication of spinal instrumentation performed for adolescent idiopathic scoliosis (AIS). This can result in problems requiring revision surgery. The purpose of this study was to compare patients who decompensated in the sagittal/coronal plane and those who do not and to identify risk ...
Grivas Theodoros B - - 2010
The dynamic derotation brace (DDB) was designed in Greece in 1982, as a modification of the Boston brace. It is a custom-made, underarm spinal orthosis featuring aluminium blades set to produce derotating and anti-rotating effects on the thorax and trunk of patients with scoliosis. It is indicated for the non-operative ...
Asher Marc A - - 2010
We have occasionally observed clinically noticeable postoperative transverse plane pelvic rotation increase (TPPRI) in the direction of direct thoracolumbar/lumbar rotational corrective load applied during posterior instrumentation and arthrodesis for double (Lenke 3 and 6) adolescent idiopathic scoliosis (AIS) curves. Our purposes were to document this occurrence; identify its frequency, associated ...
Lee Dong Yeob - - 2010
The clinical and radiological outcomes of two-level anterior lumbar interbody fusion (ALIF) with percutaneous pedicle screw fixation (PSF) were evaluated in 24 consecutive patients who underwent two-level ALIF with percutaneous PSF for segmental instability and were followed up for more than 3 years. Clinical outcomes were assessed using a visual ...
Pateder Dhruv B - - 2010
The purpose of this retrospective study was to evaluate the radiographic and clinical efficacy of uninstrumented facet fusion in elderly patients undergoing lumbar laminectomy for spinal stenosis due to a single-level degenerative spondylolisthesis. Several studies have clearly demonstrated the beneficial effects of concomitant spinal fusion with laminectomy in degenerative spondylolisthesis. ...
Nagasao Tomohisa - - 2010
OBJECTIVE: The coronal ring of patients with unilateral coronal synostosis (UCS) presents premature fusion. This study aims to elucidate whether or not the dynamic behavior of the orbit in response to intracranial pressure (ICP) differs between patients in whom the premature fusion exists only in the frontoparietal suture (FPS) and ...
Coillard Christine - - 2010
Juvenile idiopathic scoliosis is a condition used to describe patients who are least 4 years of age but younger than 10 when the deformity is first identified. In these patients, the condition is usually progressive and those that are diagnosed at five years or younger have a high chance of ...
Teli Marco - - 2010
Growing rod systems have been used in the last 30 years for the treatment of early onset scoliosis (EOS) with variable success rates. We report the results of treatment of EOS with a newly developed hybrid rod distraction system applied to the rib cage and spine with a nonfusion technique ...
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