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https://www.readbyqxmd.com/read/28645676/a-journey-through-growth-plates-tracking-differences-in-morphology-and-regulation-between-the-spine-and-long-bones-in-a-pig-model
#1
Adalbert Raimann, Alireza Javanmardi, Monika Egerbacher, Gabriele Haeusler
BACKGROUND CONTEXT: The process of linear growth is driven by axial elongation of both long bones and vertebral bodies and accomplished by enchondral ossification. Differences in regulation between the two skeletal sites are mirrored clinically by the age course in body proportions. Whereas growth plates in long bones can easily be discriminated, vertebral growth plates are part of the cartilaginous endplate, which typically shows important species differences. PURPOSE: To describe and compare histological, histomorphometric and regulatory characteristics in the growth plates of the spine and long bones in a porcine model...
June 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28637821/endovascular-management-of-aneurysms-associated-with-spinal-arteriovenous-malformations
#2
Sung Chul Jung, Yunsun Song, Su Hee Cho, Joonggoo Kim, Seung Yeon Noh, Sang Hun Lee, Jae Jon Sheen, Seung Chul Rhim, Sang Ryong Jeon, Dae Chul Suh
BACKGROUND: Spinal aneurysms are rare among spinal arteriovenous malformations (SAVMs). There are few reports of endovascular management of spinal aneurysms associated with SAVM. OBJECTIVE: To present endovascular management of aneurysms associated with SAVM. METHODS: Of 91 patients with SAVMs,eight (9%) presented with aneurysms. Of these, three were male and five were female with a median age of 18 years (range 11-38). We evaluated the presenting pattern, lesion level, type of the target aneurysm related to the presenting pattern and AVM nidus, and the result obtained after embolization or open surgery...
June 21, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28632551/comparative-study-of-c-arms-for-intraoperative-3-dimensional-imaging-and-navigation-in-minimally-invasive-spine-surgery-part-i-applicability-and-image-quality
#3
Jan-Helge Klingler, Ronen Sircar, Christian Scheiwe, Evangelos Kogias, Florian Volz, Marie T Krüger, Ulrich Hubbe
STUDY DESIGN: This was a retrospective analysis. OBJECTIVE: This study compares 2 different 3-dimensional (3D) C-arm devices for intraoperative imaging and navigation with regard to clinical applicability and image quality. SUMMARY OF BACKGROUND DATA: Minimally invasive spine surgery requires intraoperative imaging techniques to adequately visualize the unexposed spine. For this purpose, mobile 3D C-arms became available along with the evolution of intraoperative navigation techniques...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28614236/utilization-of-ring-shaped-bone-allograft-for-surgical-treatment-of-adolescent-post-tubercular-kyphosis-a-retrospective-study
#4
Xiang Yin, Peng Liu, Yao-Yao Liu, Wei-Li Fan, Bai-Yi Liu, Jian-Hua Zhao
This study aimed to investigate the mid-term outcome of ring-shaped bone allografts in the surgical treatment of adolescent post-tubercular kyphosis secondary to spinal tuberculosis.The records of adolescent patients diagnosed with spinal tuberculosis who received treatment in our department between 2009 and 2013 were retrospectively reviewed. The anterior approach was used in cases of cervical kyphosis and the posterior approach was used in cases of thoracic and lumbar kyphosis. During the surgery, the ring-shaped bone was used as a structural bone graft associated with the cancellous bone filing in the center portion of the ring shape...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28606605/cervical-and-thoracic-intervertebral-disc-hydration-increases-with-recumbency-a-study-in-101-healthy-volunteers
#5
Daniel L Belavy, Matthew Quittner, Yuan Ling, David Connell, Timo Rantalainen
BACKGROUND CONTEXT: Variation in water content and size of the lumbar intervertebral discs (IVDs) is known to occur due to recumbency and has been associated with lumbar IVD herniation risk through the impact of IVD hydration on tissue mechanical properties. It is not clear if similar changes in the cervical or thoracic IVDs occur with recumbency. PURPOSE: Determine whether increases in hydration of thoracic and cervical IVDs occur with short-duration recumbency...
June 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28601994/radiologic-features-of-dropped-head-syndrome-in-the-overall-sagittal-alignment-of-the-spine
#6
Kazuki Hashimoto, Hiroshi Miyamoto, Terumasa Ikeda, Masao Akagi
PURPOSE: Dropped head syndrome (DHS) is a rare clinical entity which is defined as a chin-on-chest deformity in the standing or sitting position, resulting from sagittal imbalance of the cervical region. The purpose of the present study was to clarify the radiologic features of DHS in the overall sagittal alignment of the spine. We also investigated the changes in sagittal alignment after correction surgery for DHS. METHODS: Twenty DHS patients [1 male and 19 female, with an average age of 78...
June 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28599641/morphological-modularity-in-the-vertebral-column-of-felidae-mammalia-carnivora
#7
Marcela Randau, Anjali Goswami
BACKGROUND: Previous studies have demonstrated that the clear morphological differences among vertebrae across the presacral column are accompanied by heterogeneous functional signals in vertebral shape. Further, several lines of evidence suggest that the mammalian axial skeleton is a highly modular structure. These include its composition of serial units, a trade-off between high shape variance and strong conservation of vertebral count, and direct association of regions with anterior expression sites of Hox genes...
June 9, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28593385/tailor-made-management-of-thoracic-scoliosis-with-cervical-hyperextension-in-muscular-dystrophy
#8
A Angelliaume, L Harper, A Lalioui, A Delgove, Y Lefèvre
PURPOSE: We report the case of a 13-year-old boy managed for fixed cervical hyperextension due to congenital muscular dystrophy with partial merosin deficiency. He presented a right decompensated thoracic scoliosis (T6-L1 Cobb angle 72°) associated with cervical and lumbar lordosis. The spinal extension was accompanied by major flexion of the hip resulting in the trunk being bent forward. This posture caused daily severe back pain responsible for significant loss of quality of life. This led to the decision to perform surgery...
June 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28593092/aortic-injury-due-to-paragliding-a-case-report
#9
Kazuhiko Omori, Kei Jitsuiki, Takashi Majima, Ikuto Takeuchi, Toshihiko Yoshizaw, Kouhei Ishikawa, Hiromichi Ohsaka, Keiichi Tambara, Youichi Yanagawa
A 64-year-old male fell from an altitude of 10 m while paragliding after stalling due to the wind. The purpose of this case report is to describe the outcomes after multiple injuries sustained during a paragliding accident, including a potentially life-threating injury to the thoracic aorta. The subject sustained a bite wound on his tongue, injuries to his chest (left side) and back, and a right forearm deformity. Enhanced whole body computed tomography (CT) revealed fractures of the bilateral laminae of the second and third cervical bones, right first rib, the tenth thoracic vertebral body (compression type), second lumbar vertebral body (burst type) and the right radius, Other injuries included an injury to the thoracic aortic arch and the presence of intraabdominal fluid collection without perforation of the digestive tract...
June 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28591781/global-spinal-alignment-in-cervical-kyphotic-deformity-the-importance-of-head-position-and-thoracolumbar-alignment-in-the-compensatory-mechanism
#10
Jun Mizutani, Kushagra Verma, Kenji Endo, Ken Ishii, Kuniyoshi Abumi, Mitsuru Yagi, Naobumi Hosogane, Jeffrey Yang, Bobby Tay, Vedat Deviren, Christopher Ames
BACKGROUND: Previous studies have evaluated cervical kyphosis (C-kypho) using cervical curvature or chin-brow vertical angle, but the relationship between C-kypho and global spinal alignment is currently unknown. OBJECTIVE: To elucidate global spinal alignment and compensatory mechanisms in primary symptomatic C-kypho using full-spine radiography. METHODS: In this retrospective multicenter study, symptomatic primary C-kypho patients (Cerv group; n = 103) and adult thoracolumbar deformity patients (TL group; n = 119) were compared...
June 7, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28587051/evaluating-intensity-modulated-proton-therapy-relative-to-passive-scattering-proton-therapy-for-increased-vertebral-column-sparing-in-craniospinal-irradiation-in-growing-pediatric-patients
#11
Drosoula Giantsoudi, Joao Seco, Bree R Eaton, F Joseph Simeone, Hanne Kooy, Torunn I Yock, Nancy J Tarbell, Thomas F DeLaney, Judith Adams, Harald Paganetti, Shannon M MacDonald
PURPOSE: At present, proton craniospinal irradiation (CSI) for growing children is delivered to the whole vertebral body (WVB) to avoid asymmetric growth. We aimed to demonstrate the feasibility and potential clinical benefit of delivering vertebral body sparing (VBS) versus WVB CSI with passively scattered (PS) and intensity modulated proton therapy (IMPT) in growing children treated for medulloblastoma. METHODS AND MATERIALS: Five plans were generated for medulloblastoma patients, who had been previously treated with CSI PS proton radiation therapy: (1) single posteroanterior (PA) PS field covering the WVB (PS-PA-WVB); (2) single PA PS field that included only the thecal sac in the target volume (PS-PA-VBS); (3) single PA IMPT field covering the WVB (IMPT-PA-WVB); (4) single PA IMPT field, target volume including thecal sac only (IMPT-PA-VBS); and (5) 2 posterior-oblique (-35°, +35°) IMPT fields, with the target volume including the thecal sac only (IMPT2F-VBS)...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28575457/characterizing-adult-cervical-deformity-and-disability-based-on-existing-cervical-and-adult-deformity-classification-schemes-at-presentation-and-following-correction
#12
Peter G Passias, Cyrus M Jalai, Justin S Smith, Virginie Lafage, Bassel G Diebo, Themistocles Protopsaltis, Gregory Poorman, Ubaraman Ramchandran, Hay Bess, Christopher I Shaffrey, Christopher P Ames, Frank Schwab
BACKGROUND: Adult cervical deformity (ACD) classifications have not been implemented in a prospective ACD population and in conjunction with adult spinal deformity (ASD) classifications. OBJECTIVE: To characterize cervical deformity type and malalignment with 2 classifications (Ames-ACD and Schwab-ASD). METHODS: Retrospective review of a prospective multicenter ACD database. Inclusion: patients ≥18 yr with pre- and postoperative radiographs...
May 30, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28567220/should-we-check-the-routine-postoperative-mri-for-hematoma-in-spinal-decompression-surgery
#13
Hun-Kyu Shin, Hwa-Jae Jeong, Eugene Kim, Jai Hyung Park, Se-Jin Park, Yongun Cho
BACKGROUND: A postoperative magnetic resonance imaging (MRI) is performed as a routine to assess decompression of the spinal cord as well as to evaluate postoperative complications. The purpose of this study is to analyze the efficacy of postoperative MRI for hematoma in spinal decompression surgery. METHODS: Between January 1, 2008 and January 31, 2015, 185 patients who underwent postoperative MRI after spinal decompression surgery were included in this study. We checked the history of the use of an anticoagulant or antiplatelet agent, withdrawal period, blood platelet count, and prothrombin time (international normalized ratio [INR])...
June 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28566787/acute-flaccid-paraparesis-cauda-equina-syndrome-in-a-patient-with-bardet-biedl-syndrome
#14
Vibhu Krishnan Viswanathan, Rishi Mugesh Kanna, Ajoy Prasad Shetty, S Rajasekaran
Bardet-Biedl syndrome (BBS) is a rare, autosomal-recessive, debilitating genetic disorder, which can present with multitudinous systemic clinical features including rod-cone dystrophy, polydactyly, Frohlich-like central obesity, mental retardation, hypogonadism, and renal anomalies. Diverse neuromuscular manifestations in patients afflicted by this heterogeneous disorder include ataxia, cervical, and thoracic canal stenoses, presenting as spastic quadriparesis and other gait disturbances. We report a young patient with BBS, who had presented with acute flaccid paraparesis due to severe primary lumbar canal stenosis...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28560199/emotional-intelligence-in-patients-with-spinal-cord-injury-sci
#15
Hooshang Saberi, Mahsa Ghajarzadeh
BACKGROUND: Spinal Cord Injury (SCI) is a devastating situation. Spinal Cord Injury affects functional, psychological and socioeconomic aspects of patients' lives. The ability to accomplish and explicate the one's own and other's feelings and emotions to spread over appropriate information for confirming thoughts and actions is defined as emotional intelligence (EI). The goal of this study was to evaluate depression and EI in SCI patients in comparison with healthy subjects. METHODS: One-hundred-ten patients with SCI and 80 healthy subjects between Aug 2014 and Aug 2015 were enrolled...
May 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28559666/thrust-joint-manipulation-utilization-by-u-s-physical-therapists
#16
Emilio J Puentedura, Rebecca Slaughter, Sean Reilly, Erwin Ventura, Daniel Young
STUDY DESIGN: Online survey study. OBJECTIVE: To determine physical therapists' utilization of thrust joint manipulation (TJM) and their comfort level in using TJM between the cervical, thoracic, and lumbar regions of the spine. We hypothesized that physical therapists who use TJM would report regular use and comfort providing it to the thoracic and lumbar spines, but not so much for the cervical spine. BACKGROUND: Recent surveys of first professional physical therapy degree programs have found that TJM to the cervical spine is not taught to the same degree as to the thoracic and lumbar spines...
May 2017: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/28559068/vitom-%C3%A2-3d-for-exoscopic-neurosurgery-initial-experience-in-cranial-and-spinal-procedures
#17
Joachim M Oertel, Benedikt W Burkhardt
BACKGROUND: In this manuscript the authors describe the application of a new exoscope which offers three-dimensional (3D) visualization in cranial and spinal neurosurgery in detail. METHODS: Five cranial and eleven spinal procedures were performed using a 3D-exoscope. Instrument handling, repositioning of the exoscope, handling of the image control unit, the adjustment of magnification and focal length, the depth perception, the image quality, the illumination, and the comfort level of the posture during the procedure were assessed via a questionnaire...
May 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28542100/global-spinal-alignment-in-patients-with-cervical-spondylotic-myelopathy
#18
Go Yoshida, Abdulmajeed Alzakri, Vincent Pointillart, Louis Boissiere, Ibrahim Obeid, Yukihiro Matsuyama, Jean Marc Vital, Olivier Gille
STUDY DESIGN: Prospective radiographic analysis of cervical spondylotic myelopathy (CSM) OBJECTIVE.: To clarify the pathophysiology of CSM, and use the characteristic of global spinal alignment for determining the surgical strategy. SUMMARY OF BACKGROUND DATA: Radiographic evaluation of CSM, in general, comprises cervical magnetic resonance imaging (MRI) and regional cervical radiography, which cannot distinguish between cervical hyperlodorsis with spinopelvic compensation and cervical lordorsis with normal global alignment...
May 24, 2017: Spine
https://www.readbyqxmd.com/read/28540127/learning-curves-for-minimally-invasive-spine-surgeries-are-they-worth-it
#19
EDITORIAL
Nancy E Epstein
BACKGROUND: Minimally invasive surgery (MIS) spine procedures were developed to limit operative time, the extent of dissection, and reduce perioperative morbidity. Here, we asked what are the "learning curves" for these MIS spine procedures? METHODS: We reviewed studies in the literature that discussed the "learning curves" attributed to performing different MIS spine surgical procedures. Of interest, the majority were single-surgeon series. RESULTS: Very few articles assessed the learning curves for different MIS spine procedures...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28538444/changes-in-cervical-alignment-after-multilevel-schwab-grade-ii-thoracolumbar-osteotomies-for-adult-spinal-deformity
#20
George M Ghobrial, Nathan H Lebwohl, Barth A Green, Joseph P Gjolaj
STUDY DESIGN: Retrospective Cohort OBJECTIVE.: To describe changes in cervical alignment(CA) and deformity (CD) after multilevel Schwab Grade II Osteotomies for adult spinal deformity (ASD). SUMMARY OF BACKGROUND DATA: Reciprocal cervical and global changes after ASD surgery have not been previous described in the setting of multilevel osteotomy. METHODS: Patients with long-segment (> 5 levels) fusion and osteotomy for ASD were radiographically evaluated...
May 19, 2017: Spine
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