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Spine

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https://www.readbyqxmd.com/read/27902558/access-of-patients-with-lumbar-disc-herniations-to-spine-surgeons-the-effect-of-insurance-type-under-the-affordable-care-act
#1
Nidharshan S Anandasivam, Daniel H Wiznia, Chang-Yeon Kim, Ameya V Save, Jonathan N Grauer, Richard R Pelker
STUDY DESIGN: Prospective cohort study. OBJECTIVE: To determine the effects of insurance type (Medicaid vs. a specific private insurance) on patient access to spine surgeons for lumbar disc herniation as measured by (1) acceptance of insurance, (2) need for a referral, and (3) wait time for appointment. SUMMARY OF BACKGROUND DATA: Limited studies have been conducted to examine the issue of patient access to spine surgeons based on different insurance types (Medicaid vs...
November 29, 2016: Spine
https://www.readbyqxmd.com/read/27902557/stiffness-after-pan-lumbar-arthrodesis-for-adult-spinal-deformity-does-not-significantly-impact-patient-functional-status-or-satisfaction-irrespective-of-proximal-endpoint
#2
Robert A Hart, Jayme Hiratzka, Marie S Kane, Virginie Lafage, Eric Klineberg, Christopher P Ames, Breton G Line, Frank Schwab, Justin K Scheer, Shay Bess, D Kojo Hamilton, Christopher I Shaffrey, Greg Mundis, Justin S Smith, Douglas C Burton, Daniel M Sciubba, Vedat Deviren, Oheneba Boachie-Adjei
STUDY DESIGN: Prospective, multi-center OBJECTIVE.: To determine if stiffness significantly affects function or satisfaction after pan-lumbar arthrodesis. SUMMARY OF BACKGROUND DATA: The Lumbar Stiffness Disability Index (LSDI) is a validated measure of the effect of lumbar stiffness on functional activities. Data suggests that patients undergoing fusion of the entire lumbar spine are at greatest risk of functional limitations from stiffness. METHODS: The LSDI, Short Form 36 (SF-36), Scoliosis Research Society-22 (SRS-22), and Oswestry Disability Index (ODI) were administered pre-operatively and at 2-year minimum follow-up to 103 spinal deformity patients from 11 centers...
November 29, 2016: Spine
https://www.readbyqxmd.com/read/27898508/the-need-for-a-comprehensive-classification-for-non-apical-non-basal-odontoid-fracture-orientation-guided-by-synthesis-biomechanics
#3
Javier Melchor Duart-Clemente, Luis Álvarez-Galovich, Félix Tomé Bermejo, Ángel Piñera Parrilla, Charles Mengis Palleck, Julio Albisua Sánchez, Julio Vicente Duart Clemente
No abstract text is available yet for this article.
November 24, 2016: Spine
https://www.readbyqxmd.com/read/27879578/retrospective-analysis-of-congenital-scoliosis-associated-anomalies-and-genetic-diagnoses
#4
Eliane Beauregard-Lacroix, Jessica Tardif, Maria Vittoria Camurri, Emmanuelle Lemyre, Soraya Barchi, Stefan Parent, Philippe M Campeau
STUDY DESIGN: Retrospective study of a series of 286 patients with congenital scoliosis OBJECTIVE.: To describe a large cohort of patients with congenital scoliosis and to propose an algorithm for genetic investigations SUMMARY OF BACKGROUND DATA.: Congenital scoliosis is characterized by a spine curvature due to congenital malformations of the vertebrae and is frequently associated to other anomalies. The underlying causes remain unclear in most patients, although we know that genetics plays a role in the development of vertebral defects...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879577/potential-involvement-of-the-il-6-jak-stat3-pathway-in-the-pathogenesis-of-intervertebral-disc-degeneration
#5
Satoshi Suzuki, Nobuyuki Fujita, Takeshi Fujii, Kota Watanabe, Mitsuru Yagi, Takashi Tsuji, Ken Ishii, Takeshi Miyamoto, Keisuke Horiuchi, Masaya Nakamura, Morio Matsumoto
STUDY DESIGN: Laboratory study. OBJECTIVE: To elucidate the potential involvement of the Interleukin-6 (IL-6) / Janus kinase (JAK) / Signal Transducers and Activator of Transcription (STAT3) pathway in the development of intervertebral disc (IVD) degeneration. SUMMARY OF BACKGROUND DATA: IL-6 plays a crucial role in IVD degeneration; however, the downstream intracellular signaling of IL-6 in the IVD is not fully understood. METHODS: The expression levels of IL-6 and Suppressors of Cytokine Signaling 3 (SOCS3), a target gene of the IL-6/JAK/STAT3 pathway, were evaluated in rat and human degenerated IVD samples...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879576/analysis-of-sagittal-parameters-in-patients-undergoing-one-or-two-level-closing-wedge-osteotomy-for-correcting-thoracolumbar-kyphosis-secondary-to-ankylosing-spondylitis
#6
Wen-Bin Hua, Yu-Kun Zhang, Yong Gao, Xian-Zhe Liu, Shu-Hua Yang, Xing-Huo Wu, Jing Wang, Cao Yang
STUDY DESIGN: Retrospective analysis of clinical records. OBJECTIVE: To assess and compare the improvement in sagittal balance after one- or two-level closing wedge osteotomy for correcting thoracolumbar kyphosis secondary to ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: Closing wedge osteotomy represents a common approach to correct kyphosis in AS. While several reports have described the outcomes of one- or two-level closing wedge osteotomy in terms of sagittal parameters, data comparing the outcomes of these procedures are scarce...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879575/cost-utility-analysis-of-pedicle-screw-removal-after-successful-posterior-instrumented-fusion-in-thoracolumbar-burst-fractures
#7
Han-Dong Lee, Chang-Hoon Jeon, Nam-Su Chung, Young-Wook Seo
STUDY DESIGN: Cost-utility analysis (CUA). OBJECTIVE: Determine the cost-effectiveness of pedicle screw removal after posterior fusion in thoracolumbar burst fractures. SUMMARY OF BACKGROUND DATA: Pedicle screw instrumentation is a standard fixation method for unstable thoracolumbar burst fracture. However, removal of the pedicle screw after successful fusion remains controversial because the clinical benefits remain unclear. CUA can help clinicians make appropriate decisions about optimal healthcare for pedicle screw removal after successful fusion in thoracolumbar burst fractures...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879574/seasonal-variations-in-the-risk-of-reoperation-for-surgical-site-infection-following-elective-spinal-fusion-surgery-a-retrospective-study-using-the-japanese-diagnosis-procedure-combination-database
#8
Junichi Ohya, Hirotaka Chikuda, Oichi Takeshi, So Kato, Hiroki Matsui, Hiromasa Horiguchi, Sakae Tanaka, Hideo Yasunaga
STUDY DESIGN: Retrospective study of data abstracted from the Diagnosis Procedure Combination (DPC) database, a national representative database in Japan. OBJECTIVE: To examine seasonal variations in the risk of reoperation for surgical site infection (SSI) following spinal fusion surgery. SUMMARY OF BACKGROUND DATA: Although higher rates of infection in the summer than in other seasons was thought to be caused by increasing inexperience of new staff, high temperature, and high humidity, no studies have examined seasonal variations in the risk of SSI following spinal fusion surgery in the country where medical staff rotation timing is not in summer season...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879573/multimodal-analgesia-versus-intravenous-patient-controlled-analgesia-for-minimally-invasive-transforaminal-lumbar-interbody-fusion-procedures
#9
Kern Singh, Daniel D Bohl, Junyoung Ahn, Dustin H Massel, Benjamin C Mayo, Ankur S Narain, Fady Y Hijji, Philip K Louie, William W Long, Krishna D Modi, Tae D Kim, Krishna T Kudaravalli, Frank M Phillips, Asokumar Buvanendran
STUDY DESIGN: Retrospective analysis. OBJECTIVE: To compare postoperative narcotic consumption and pain scores between multimodal analgesia (MMA) and patient-controlled analgesia (PCA) following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). SUMMARY OF BACKGROUND DATA: A multimodal analgesic approach to pain management may lead to decreased pain and narcotic consumption following orthopaedic procedures. However, additional evidence is required to determine how MMA compares to intravenous (IV) PCA following MIS TLIF...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879572/importance-of-distal-fusion-level-in-major-thoracolumbar-and-lumbar-adolescent-idiopathic-scoliosis-treated-by-rod-derotation-and-direct-vertebral-rotation-following-pedicle-screw-instrumentation
#10
Dong-Gune Chang, Jae Hyuk Yang, Se-Il Suk, Seung-Woo Suh, Young-Hoon Kim, Woojin Cho, Yeon-Seok Jeong, Jin-Hyok Kim, Kee-Yong Ha, Jung-Hee Lee
STUDY DESIGN: A retrospective comparative study. OBJECTIVE: To analyze the exact distal fusion level in the treatment of major thoracolumbar and lumbar (TL/L) adolescent idiopathic scoliosis (AIS) using rod derotation (RD) and direct vertebral rotation (DVR) following pedicle screw instrumentation (PSI). SUMMARY OF BACKGROUND DATA: Proper determination of distal fusion level is a very important factor in deformity correction and preservation of motion segments in the treatment of major TL/L AIS...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879571/radiographic-predictors-for-mechanical-failure-following-adult-spinal-deformity-surgery-a-retrospective-cohort-study-in-138-patients
#11
Dennis Winge Hallager, Sven Karstensen, Naeem Bukhari, Martin Gehrchen, Benny Dahl
STUDY DESIGN: Retrospective cohort study at a single institution. OBJECTIVE: We aimed at estimating the rate of revision procedures and identify radiographic predictors of mechanical failure following adult spinal deformity surgery. SUMMARY OF BACKGROUND DATA: Mechanical failure rates following adult spinal deformity surgery range 12% to 37% in literature. While the importance of spinal and spino-pelvic alignment is well documented for surgical outcome and ideal alignment has been proposed as sagittal vertical axis (SVA) < 5 cm, pelvic tilt < 20° and lumbar lordosis (LL) = pelvic incidence ± 9°, the role of radiographic sagittal spine parameters and alignment targets as predictors for mechanical failure remains uncertain...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879570/bone-turnover-markers-as-a-new-predicting-factor-for-non-union-after-spinal-fusion-surgery
#12
Hiroyuki Inose, Tsuyoshi Yamada, Mieradili Mulati, Takashi Hirai, Shuta Ushio, Toshitaka Yoshii, Tsuyoshi Kato, Shigenori Kawabata, Atsushi Okawa
STUDY DESIGN: Retrospective observational study. OBJECTIVE: We investigated whether bone turnover markers could be a useful indicator for prediction of nonunion. SUMMARY OF BACKGROUND DATA: Nonunion is a major complication of lumbar spinal fusion surgery. However, the involvement of bone turnover in the process of bony union in spinal fusion surgery is poorly understood. METHODS: Of the 74 patients analyzed, 13 were diagnosed with nonunion...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879569/the-azygous-vein-is-at-potential-risk-of-injury-from-mal-positioning-of-left-thoracic-pedicle-screw-in-thoracic-adolescent-idiopathic-scoliosis-patients
#13
Jun Jiang, Bang-Ping Qian, Yong Qiu, Bin Wang, Yang Yu, Ze-Zhang Zhu
STUDY DESIGN: A computed tomography (CT) study OBJECTIVE.: To evaluate the changed position of azygous vein in thoracic adolescent idiopathic scoliosis (AIS) patients and to analyze the potential risk of injury of azygous vein from thoracic pedicle screw placement in these patients. SUMMARY OF BACKGROUND DATA: It has been widely recognized that the anatomic positions of structures adjacent to the vertebrae may change in AIS patients. To date, no study had evaluated such change of azygous vein in AIS patients...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879568/effect-of-immunotherapy-status-on-outcomes-in-patients-with-metastatic-melanoma-to-the-spine
#14
Ganesh M Shankar, Bryan D Choi, Benjamin L Grannan, Kevin Oh, John H Shin
STUDY DESIGN: Retrospective cohort study OBJECTIVE.: We performed a retrospective study of patients treated at our institution over the last 3 years to assess predictive value of immunotherapy exposure on overall survival of patients with metastatic melanoma to the spine in an effort to better inform surgical decision making. SUMMARY OF BACKGROUND DATA: Modern management of metastatic melanoma includes adjuvant targeted therapies and immunomodulators that have shown to significantly improve overall survival...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879567/collar-fixation-is-not-mandatory-after-cervical-laminoplasty-a-randomized-controlled-trial
#15
Tetsuro Hida, Yoshihito Sakai, Kenyu Ito, Sadayuki Ito, Shiro Imagama, Naoki Ishiguro, Atsushi Harada
STUDY DESIGN: Prospective randomized controlled study OBJECTIVES.: To determine the effect of collar-aided fixation on outcomes following laminoplasty for cervical compressive myelopathy. SUMMARY OF BACKGROUND DATA: Patients are often placed in a Philadelphia collar for weeks after cervical laminoplasty. However, the benefit of postoperative collar use remains controversial. We hypothesized that treatment outcomes in postoperative pain in patients without collars would not be inferior to the outcomes in patients using Philadelphia collars for two weeks...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879566/the-effect-of-an-acid-sensing-ion-channels-asics-inhibitor-on-pain-related-behavior-by-nucleus-pulposus-applied-on-the-nerve-root-in-rats
#16
Yoshihiro Kobayashi, Miho Sekiguchi, Shin-Ichi Konno
STUDY DESIGN: Controlled, interventional, animal study. OBJECTIVE: To examine the effect of an inhibitor of acid-sensing ion channel 3 (ASIC3) on pain-related behavior induced by application of the nucleus pulposus (NP) onto the dorsal root ganglion (DRG) in rats. SUMMARY OF BACKGROUND DATA: ASIC3 is associated with acidosis pain in inflamed or ischemic tissues and is expressed in sensory neurons and NP cells. The ASIC3 inhibitor, APETx2, increases the mechanical threshold of pain in models of knee osteoarthritis or postoperative pain...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879565/surgical-wound-infection-rates-and-risk-factors-in-spinal-fusion-in-a-university-teaching-hospital-in-madrid-spain
#17
Ana Isabel Hijas-Gómez, Rosa María Egea-Gámez, Javier Martínez-Martín, Rafael Conrado González-Díaz, José Isaac Losada-Viñas, Gil Rodríguez-Caravaca
STUDY DESIGN: Prospective cohort study. OBJECTIVE: To study risk factors linked to spinal fusion surgical wound infection (SWI) incidence and compare the incidence to rates in Madrid Region, Spain and USA as a whole. SUMMARY OF BACKGROUND DATA: Surgical wound infection (SWI) is one of the complications posed by spinal surgery. Indeed, spinal surgery has a higher infection rate than do other orthopaedic surgeries such as total hip or knee arthroplasty...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879564/structural-brain-imaging-in-people-with-low-back-pain
#18
Zaid M Mansour, Rebcca J Lepping, Robyn A Honea, William M Brooks, Hung-Wen Yeh, Jeffrey M Burns, Neena K Sharma
STUDY DESIGN: Cross-sectional study. OBJECTIVE: The aim of this study was to determine whether low back pain (subacute and chronic) is related to differences in brain volume. SUMMARY OF BACKGROUND DATA: Inconsistent findings have been reported about the effect of chronic low back pain on brain volume, and the effect of subacute low back pain on brain volume has not been sufficiently investigated. METHODS: 130 participants were included (23 subacute and 68 chronic low back pain; 39 healthy controls)...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27879563/a-pilot-study-of-sequence-of-segmental-contributions-in-the-lower-cervical-spine-during-active-extension-and-flexion-healthy-controls-vs-cervical-degenerative-disc-disease-patients
#19
Toon Fm Boselie, Henk van Santbrink, Rob A de Bie, Henk van Mameren
STUDY DESIGN: A retrospective study in which, first, a definition of normal movement in the cervical spine is formulated. Second, use of this definition in differentiating between normal and abnormal movement of the cervical spine is evaluated. OBJECTIVE: To formulate a clear definition of the normal sequence of segmental contributions in the cervical spine during flexion/extension, and to evaluate the sensitivity, specificity, and reliability of sequence of segmental contributions analysis in differentiating between normal and abnormal movement of the cervical spine in healthy controls and patients with cervical degenerative disc disease (CDDD)...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27870808/description-and-results-of-a-comprehensive-care-protocol-for-overnight-stay-spine-surgery-in-adults
#20
Drew A Bednar
STUDY DESIGN: This is a prospective cohort study. OBJECTIVE: To define the probability of successful morning-after discharge after adult spine surgery achieved with a standard care protocol as applied to patients with a large variety of common degenerative spine disorders. SUMMARY OF BACKGROUND DATA: Qualifying criteria for ambulatory or overnight-stay adult spine surgery are not well defined in either the spine or anesthesia literature. Most reports simply go to ASA risk classification or surgical technique alternatives and do not present a clearly defined patient care and case management protocol...
November 18, 2016: Spine
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