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Daniel J Southwell, Shane A Petersen, Tyson A C Beach, Ryan B Graham
Altering footwear worn during performance of the barbell back squat has been shown to change motion patterns, but it is not completely understood how this affects biomechanical loading demands. The primary objective was to compare lower back and extremity net joint moments in 24 experienced weightlifters (12M, 12F) who performed 80% one-repetition maximum back squats under three different footwear conditions (barefoot, running shoes, weightlifting shoes). Results showed that there was a significant main effect of footwear condition on the knee extension moment (p=0...
October 12, 2016: Journal of Electromyography and Kinesiology
T Meng, Z Zhong, L Meng
Lumbar spinal surgery is most commonly performed under general anaesthesia. However, spinal anaesthesia has also been used. We aimed to systematically review the comparative evidence. We only included randomised, controlled trials in this meta-analysis and calculated the risk ratio or standardised mean difference for haemodynamics, blood loss, surgical time, analgesic requirement, nausea and/or vomiting, and length of hospital stay. Eight studies with a total of 625 patients were included. These were considered to be at high risk of bias...
October 22, 2016: Anaesthesia
Andrea Angelini, Andreas F Mavrogenis, Eugenio Rimondi, Giuseppe Rossi, Pietro Ruggieri
This review summarizes current concepts in the diagnosis and management of the patients with eosinophilic granuloma. Given the benign biology, the clinical course, and the pediatric group of patients that this condition more commonly affects, a treatment approach that carries a lower risk of complications while ensuring a successful cure is desirable. Variable treatment options have been reported with satisfactory results and a recurrence rate of less than 20 %. In this setting, symptomatic lesions that are accessible in the spine or the extremities may be treated with intralesional methylprednisolone injection after tissue biopsy for histological diagnosis...
October 21, 2016: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
Efe Levent Aras, Cody Bunger, Ebbe Stender Hansen, Rikke Søgaard
BACKGROUND AND PURPOSE: There is a lack of evidence on the broad health-care costs of treating spine trauma patients without neurological deficits conservatively. The aim of the present study was to estimate the primary and secondary health-care sector costs associated with conservative treatment of spine fractures as well as their determinants. METHODS: Patients were identified between 1999 and 2008 in the hospital's administrative system based on relevant diagnostic codes...
October 21, 2016: European Spine Journal
Giulia R Mosele, Gianfilippo Caggiari, Roberto M Scarpa, Carlo Doria
BACKGROUND: Renal cell carcinoma (RCC) is among the 10 most common cancers in both men and women. It comprises 2-3% of all malignancies. The most common site for metastasis from RCC is the lung (50% of patients), followed by the skeleton (20% to 50% of patients). METHODS: We retrospectively reviewed our consecutive series of 63 patients surgically treated for spinal metastases from RCC. The surgical treatment for spinal metastases varied in each patient. Factors influencing the choice of surgery included age, disease status, symptoms, morbidity of the patient, the location, the number of repetitive lesions and the existence of extra-osseous metastases...
October 21, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
Alexander A Theologis, Gregory M Mundis, Stacie Nguyen, David O Okonkwo, Praveen V Mummaneni, Justin S Smith, Christopher I Shaffrey, Richard Fessler, Shay Bess, Frank Schwab, Bassel G Diebo, Douglas Burton, Robert Hart, Vedat Deviren, Christopher Ames
OBJECTIVE The aim of this study was to evaluate the utility of supplementing long thoracolumbar posterior instrumented fusion (posterior spinal fusion, PSF) with lateral interbody fusion (LIF) of the lumbar/thoracolumbar coronal curve apex in adult spinal deformity (ASD). METHODS Two multicenter databases were evaluated. Adults who had undergone multilevel LIF of the coronal curve apex in addition to PSF with L5-S1 interbody fusion (LS+Apex group) were matched by number of posterior levels fused with patients who had undergone PSF with L5-S1 interbody fusion without LIF (LS-Only group)...
October 21, 2016: Journal of Neurosurgery. Spine
David Altschul, Andrew Kobets, Jonathan Nakhla, Ajit Jada, Rani Nasser, Merritt D Kinon, Reza Yassari, John Houten
OBJECTIVE Postoperative urinary retention (POUR) is a common problem leading to morbidity and an increased hospital stay. There are limited data regarding its baseline incidence in patients undergoing spinal surgery and the risk factors with which it may be associated. The purpose of this study was to evaluate the incidence of POUR in elective spine surgery patients and determine the factors associated with its occurrence. METHODS The authors retrospectively reviewed the records of patients who had undergone elective spine surgery and had been prospectively monitored for POUR during an 18-month period...
October 21, 2016: Journal of Neurosurgery. Spine
J M Koshy, S Mohan, D Deodhar, M John, A Oberoi, A Pannu
BACKGROUND: Though cryptococcal meningitis (CM) is recognized as a disease of the immunocompromised, studies have implicated that it also affect immunocompetent patients. METHODOLOGY: This was a cross sectional study conducted in the Department of Medicine of a tertiary teaching institution in North India. All the patients diagnosed with CM on the basis of detection of cryptococcal antigen or the presence of capsulated budding yeast cells on India ink preparation, from April 2009 to March2015 were included in the study...
October 2016: Journal of the Association of Physicians of India
S Pearish, L Hostert, A M Bell
A method for quantifying consistent individual differences in schooling behaviour is presented. This method, which utilizes a school of models, improves on previous methods by removing the unwanted variation that is introduced by live stimulus fish while still providing the physiological experience of schooling to the focal fish. Three-spined stickleback Gasterosteus aculeatus observed in the model school assay exhibited consistent individual differences in schooling behaviour.
October 21, 2016: Journal of Fish Biology
B B Calegari, R E Reis
A new species of Gelanoglanis is described based on specimens collected in the Tocantins River, a tributary of the Amazon Basin. The new species is distinguished from congeners by unusual features to the genus such as the pelvic fin falling short of the urogenital opening by a distance larger than the anal-fin length, the first unbranched dorsal and pectoral-fin rays not ossified as spines, the dorsal-fin spinelet absent and the adipose fin in adults preceded by a long fleshy ridge. The new species is further distinguished from congeners by its soft, sinuous snout tip and morphometric proportions of the body and head...
October 21, 2016: Journal of Fish Biology
Xin Jiang, Dong Chen, Yahao Lou, Zhongshi Li
BACKGROUND: Postoperative delirium is a common complication following various operative procedures with an incidence rate of 10-77 %. AIM: To analyze various risk factors for postoperative delirium after spine surgery in the middle- and old-aged patients. METHODS: This study retrospectively reviewed 451 patients (226 males and 225 females, an average age of 65.1 ± 18.3 years) who underwent spinal surgery in our hospital between January 2010 and August 2015...
October 20, 2016: Aging Clinical and Experimental Research
M Belhassen, C B Confavreux, B Cortet, L Lamezec, M Ginoux, E Van Ganse
: Limited information is available on anti-osteoporotic treatment initiation patterns in France. In 2006-2013, the most frequently prescribed first-line treatment class for osteoporosis was represented by bisphosphonates (alendronic acid and risedronic acid), followed by strontium ranelate. Persistence with anti-osteoporotic treatment was low, with high proportions of treatment discontinuations and switches. INTRODUCTION: This epidemiological, longitudinal study described first-line treatment initiation, persistence, switches to second-line treatment, and medical care consumption in osteoporotic patients in France during the 2007-2013 period...
October 20, 2016: Osteoporosis International
C Tsentidis, D Gourgiotis, L Kossiva, A Marmarinos, A Doulgeraki, K Karavanaki
: Higher levels of Dickkopf-1, which is an inhibitor of Wnt/β-catenin bone metabolic pathway, could be indicative of downregulated Wnt system, with possible lower osteoblast activation and higher osteoclast signaling in type 1 diabetes mellitus children and adolescents. Dickkopf-1 could significantly contribute to diabetes osteopathy. INTRODUCTION: Increased fracture risk and elevated Dickkopf-1 levels, which is an inhibitor of Wnt/β-catenin bone metabolic pathway, have been documented in adult patients with type 2 diabetes mellitus (T2D), while no relevant data exist on childhood type 1 diabetes (T1D)...
October 20, 2016: Osteoporosis International
Giancarlo D'Andrea, Giovanni Sessa, Veronica Picotti, Antonino Raco
We report the case of a large lumbar schwannoma eroding the vertebra and originating from spinal canal with invasion of the retroperitoneal space. We also review all the cases in literature reporting lumbar schwannomas eroding the vertebral bodies and invading the retroperitoneal space focusing on the surgical strategies to manage them. Spinal CT-scan revealed a 44 mm × 55 mm inhomogeneous soft-tissue mass arising from the right L5-S1 neural foramen and its most anterior portion had a clear colliquative aspect...
2016: Case Reports in Surgery
Carles Bosch, Albert Martínez, Nuria Masachs, Cátia M Teixeira, Isabel Fernaud, Fausto Ulloa, Esther Pérez-Martínez, Carlos Lois, Joan X Comella, Javier DeFelipe, Angel Merchán-Pérez, Eduardo Soriano
[This corrects the article on p. 60 in vol. 9, PMID: 26052271.].
2016: Frontiers in Neuroanatomy
Chao Dong, Ji-Chun Zhang, Wei Yao, Qian Ren, Min Ma, Chun Yang, Shigeyuki Chaki, Kenji Hashimoto
BACKGROUND: Similar to the N-methyl-D-aspartate (NMDA) receptor antagonist ketamine, the metabotropic glutamate 2/3 (mGlu2/3) receptor antagonist, MGS0039 shows antidepressant effects. However, there are no reports comparing these two compounds in the social defeat stress model of depression. METHODS: We examined the effects of MGS0039 (1 mg/kg) and ketamine (10 mg/kg) on depression-like behavior in susceptible mice, after repeated social defeat stress. Protein levels of brain-derived neurotrophic factor (BDNF), TrkB, phospho-TrkB (p-TrkB), α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor (GluA1) and postsynaptic density protein 95 (PSD-95), and dendritic spine density in selected brain regions were measured...
October 7, 2016: International Journal of Neuropsychopharmacology
Bret H Clough, Eoin P McNeill, Daniel Palmer, Ulf Krause, Thomas J Bartosh, Christopher D Chaput, Carl A Gregory
BACKGROUND CONTEXT: Spine pain and the disability associated with it are epidemic in the United States. According to the National Center for Health Statistics, >650,000 spinal fusion surgeries are performed annually in the US and yet there is a failure rate of 15-40% when standard methods employing current commercial bone substitutes are utilized. Autologous bone graft is the gold standard in terms of fusion success, but the morbidity associated with the procedure and limitations in the availability of sufficient material has limited its use in the majority of cases...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
Joseph E Tanenbaum, Vincent J Alentado, Jacob A Miller, Daniel Lubelski, Edward C Benzel, Thomas E Mroz
BACKGROUND CONTEXT: Lumbar fusion is a common and costly procedure in the United States. Reimbursement for surgical procedures is increasingly tied to care quality and patient safety as part of value-based reimbursement programs. The incidence of adverse quality events among lumbar fusion patients is unknown using the definition of care quality (patient safety indicators [PSI]) utilized by the Centers for Medicare and Medicaid Services (CMS). The association between insurance status and the incidence of PSI is similarly unknown in lumbar fusion patients...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
Nasir A Quraishi, Stefano Boriani, Silviu Sabou, Peter P Varga, Alessandro Luzzati, Ziya L Gokaslan, Michael G Fehlings, Charles G Fisher, Mark B Dekutoski, Laurence D Rhines, Jeremy J Reynolds, Niccole M Germscheid, Chetan Bettegowda, Richard P Williams
BACKGROUND CONTEXT: Spinal osteoid osteomas are benign primary tumours arising predominantly from the posterior column of the spine. These 'osteoblastic' lesions have traditionally been treated with intralesional excision. PURPOSE: The purpose of this study was to review the treatment and local recurrence rates for symptomatic spinal osteoid osteomas. STUDY DESIGN/SETTING: Multicentre ambispective cross-sectional observational cohort study...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
Erika Roddy, Mohammad Diab
BACKGROUND CONTEXT: Short-term readmission rates are becoming widely utilized as a quality and performance metrics for hospitals. Data on unplanned short-term readmission after spine fusion for deformity in pædiatric patients is limited. PURPOSE: To characterize the rate and risk factors for short-term readmission after spine fusion for deformity in pædiatric patients. STUDY DESIGN: Retrospective cohort study PATIENT SAMPLE: State In-Patient Databases from NY, UT, NE, FL, NC (years 2006-2010) and CA (years 2006-2011)...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
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