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https://www.readbyqxmd.com/read/28720987/management-of-post-traumatic-neglected-cervical-facet-dislocation
#1
Vinay Prabhat, Tankeshwar Boruah, Hitesh Lal, Ramesh Kumar, Ashish Dagar, Harekrushna Sahu
BACKGROUND: Post-traumatic unilateral or bilateral sub-axial cervical spine dislocations with locked facets are quite common. In developing countries like India, many patients with cervical injuries report late due to many reasons like rural backgrounds, lack of infrastructures and skilled surgeons, unawareness, poor socioeconomic status, lack of transportation to the specialized center with proper facility, etc. Early management is essential to maximize better neurological outcome. Delayed or neglected presentation makes treatment more challenging...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28719143/osteoporotic-vertebral-fracture-prevalence-varies-widely-between-radiological-assessment-methods-the-rotterdam-study
#2
L Oei, F Koromani, S J Breda, J T Schousboe, E M Clark, Jbj van Meurs, M A Ikram, J H Waarsing, Fja van Rooij, M C Zillikens, G P Krestin, Ehg Oei, F Rivadeneira
BACKGROUND: Accurate diagnosis of vertebral osteoporotic fractures is crucial for the identification of individuals at high risk of future fractures. Different methods for radiological assessment of vertebral fractures exist, but a gold standard is lacking. The aim of our study was to estimate statistical measures of agreement and prevalence of osteoporotic vertebral fractures in the population-based Rotterdam Study, across the two most commonly applied assessment methods. METHODS: The quantitative morphometry (QM) method, evaluates vertebral height loss that affects vertebral shape whereas the algorithm based qualitative (ABQ) method judges endplate integrity and includes guidelines for the differentiation of vertebral fracture and non- fracture deformities...
July 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28718273/3d-quantitative-evaluation-of-spine-proprioceptive-perception-motor-control-through-instinctive-self-correction-manoeuvre-in-healthy-young-subjects-posture-an-observational-study
#3
Moreno D'Amico, Edyta Kinel, Piero Roncoletta
BACKGROUND: Conservative treatment in spine deformities and spine related disorders is mainly based on proper individual proprioceptive and motor control training. For these reasons, conservative treatment involves the stimulation of individual capability of perceiving/reducing deformities, blocks and/or improper spine posture by voluntary control. The literature describes that habitually adopted relaxed postures often exacerbate low back pain. Typically, youths can be referred to therapeutic programs aimed at improving the quality of body posture along with fostering the awareness of the importance of correct posture...
July 18, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28716073/surgical-correction-of-hyperlordosis-in-facioscapulohumeral-muscular-dystrophy-a-case-report
#4
Haining Tan, Fan Feng, Youxi Lin, Chong Chen, Zheng Li, Jianxiong Shen
BACKGROUND: Hyperlordosis is common in facioscapulohumeral muscular dystrophy (FSHD), which cannot be controlled by bracing. While the surgical treatment is neither reported nor recommended in previous studies, we report the first corrective surgery for hyperlordosis in one wheelchair-dependent FSHD patient. CASE PRESENTATION: A 15-year-old, wheelchair-dependent girl complaining of hyperlordosis and lower extremity weakness was diagnosed as FSHD. Preoperative examination showed hyperlordosis of 116° with scoliosis of 44°...
July 17, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28709833/anterior-reduction-and-fusion-for-treatment-of-massive-tear-drop-fracture-of-axis-combining-with-inferior-endplate-serious-traversed-lesion-a-retrospective-study
#5
Tao Jiang, Hong Yin, Xian-Jun Ren, Tong-Wei Chu, Wei-Dong Wang, Chang-Qing Li
BACKGROUND: Tear drop fracture of axis represents a very small percentage of injuries of the cervical spine, but there is controversy about the treatment method for tear drop fracture of axis, especially when a large avulsed fragment is significant displacement, which combined with the inferior endplate serious traversed lesion of axis. OBJECTIVE: To evaluate the clinical outcome of anterior reduction, graft fusion of C2-3 and plate fixation in the management of massive tear drop fracture of axis combining with inferior endplate serious traversed lesion of axis...
July 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28707505/biomechanical-analysis-of-the-thoracolumbar-spine-under-physiological-loadings-experimental-motion-data-corridors-for-validation-of-finite-element-models
#6
Marien Couvertier, Arnaud Germaneau, Mathieu Saget, Jean-Christophe Dupré, Pascal Doumalin, Fabrice Brémand, Franck Hesser, Cyril Brèque, Manuel Roulaud, Olivier Monlezun, Tanguy Vendeuvre, Philippe Rigoard
Biomechanical studies that involve normal, injured or stabilized human spines are sometimes difficult to perform on large samples due to limited access to cadaveric human spines and biological variability. Finite element models alleviate these limitations due to the possibility of reusing the same model, whereas cadaveric spines can be damaged during testing, or have their mechanicals behaviour modified by fatigue, permanent deformation or structural failure. Finite element models need to be validated with experimental data to make sure that they represent the complex mechanical and physiological behaviour of normal, injured and stabilized spinal segments...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28704301/congenital-unilateral-absence-of-the-upper-extremity-may-give-rise-to-a-specific-kind-of-thoracolumbar-curve
#7
Z Deniz Olgun, Gokhan Demirkiran, David Polly, Muharrem Yazici
There is an increased incidence of scoliosis in patients with congenital malformations of the upper extremity even in the absence of overt vertebral abnormalities. In this case series, we summarize the curve characteristics of four patients presenting to two spine surgery clinics with unilateral amelia or phocomelia and a progressive scoliotic curve with the apex on the side of deficiency. All patients required orthopedic intervention for their curves. Amelia and phocomelia are severe congenital malformations of the upper limb affecting trunk balance and, conceivably, causing scoliosis with the absence of counterbalancing weight on the affected side...
July 12, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28700454/posterior-only-hemivertebra-resection-for-congenital-cervicothoracic-scoliosis-correcting-neck-tilt-and-balancing-the-shoulders
#8
Zhonghui Chen, Yong Qiu, Zezhang Zhu, Song Li, Xi Chen, Liang Xu, Xu Sun
STUDY DESIGN: A retrospective study. OBJECTIVE: To evaluate radiographic and cosmetic outcomes following posterior-only cervicothoracic hemivertebra resection and instrumentation. SUMMARY OF BACKGROUND DATA: Cervicothoracic hemivertebra is a rare congenital deformity. It locates between the mobile cervical spine and the fixed thoracic spine, leading to rapid curve progression, shoulder imbalance, fixed torticollis and facial asymmetry. METHODS: This study reviewed a consecutive series of 18 patients with cervicothoracic hemivertebra...
July 11, 2017: Spine
https://www.readbyqxmd.com/read/28699136/intrawound-application-of-vancomycin-changes-the-responsible-germ-in-elective-spine-surgery-without-significant-effect-on-the-rate-of-infection-a-randomized-prospective-study
#9
B Mirzashahi, M Chehrassan, S M J Mortazavi
PURPOSE: Surgical site infection (SSI) is a costly complication associated with spine surgery. The impact of intrawound vancomycin has not been strongly postulated to decrease the risk of surgical site infection. We designed study to determine whether intrawound vancomycin application reduces the risk of SSI in patients after spine surgery. METHODS: A prospective randomized control trial study to evaluate the patients with elective spine surgery in a period of 15 month was designed...
July 11, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28697197/increased-and-normalized-uptake-of-18-f-fdg-in-a-case-of-bone-periprosthetic-infection-treated-by-antibiotics
#10
Valentina Lavelli, Cristina Ferrari, Artor Niccoli Asabella, Corinna Altini, Francesco Saverio Vella, Giuseppe Rubini
We report the case of a 69 years old man with left hip prosthesis, who presented clinical, biochemical and imaging signs of periprosthetic infection treated with linezolid, an antibacterial agent of the oxazolidinone class. Two weeks after this treatment, a fluorine-18-fluoro-2-deoxy-d-glucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) scan showed increased uptake in the skeleton and also increased uptake in several focal areas in the spine and near the prosthesis and the surgical wound on the left gluteus medius...
July 12, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28694596/cadaveric-study-for-ideal-dorsal-pedicle-screw-entry-point
#11
Sandeep Sonone, Aditya Anand Dahapute, Mahendra Pal, Siddharth Virani, Rohan Gala
OBJECTIVE: To determine the entry for the dorsal pedicular screw in relation to the notch present at the junction of base of the lateral margin of superior articular process with superior border of transverse process in dorsal spine. The advantage of this technique is a constant and easily identifiable entry point which does not involve partial resection of the inferior facet, thus maintaining stability and maintaining the well defined transverse and sagittal screw angles and decreasing the incidence of medial and inferior pedicle violation...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28694592/trends-in-the-use-of-patient-reported-outcome-instruments-in-neurosurgical-adult-thoracolumbar-deformity-and-degenerative-disease-literature
#12
Hanna Algattas, Jonathan Cohen, Nitin Agarwal, D Kojo Hamilton
OBJECTIVE: Shifting national healthcare trends place increased emphasis on patient-centered care and value-based outcomes, and thus, patient-reported outcome instruments (PROIs) are often used. We sought to characterize the trends in PROI use over the past decade with regard to thoracolumbar degenerative spine disease and spinal deformity in major neurosurgical journals. METHODS: Articles were screened for PROI use through a PubMed search among five major neurosurgical journals from 2006 to 2016...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28692583/management-of-spinal-conditions-in-patients-with-parkinson-disease
#13
Joseph F Baker, Shearwood McClelland, Robert A Hart, R Shay Bess
Parkinson disease (PD) is increasingly prevalent in the aging population. Spine disorders in patients with PD may be degenerative in nature or may arise secondary to motor effects related to the parkinsonian disease process. Physicians providing care for patients with PD and spine pathologies must be aware of several factors that affect treatment, including the patterns of spinal deformity, complex drug interactions, and PD-associated osteoporosis. Following spine surgery, complication rates are higher in patients with PD than in those without the disease...
July 6, 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28691569/anatomical-features-of-the-cervical-spinal-canal-in-chiari-i-deformity-with-presyrinx-a-case-control-study
#14
Judith A Gadde, Vinil Shah, Greta B Liebo, Geir A Ringstad, I Jonathan Pomeraniec, Soren J Bakke, Radek Fric, Alexander Ksendzovsky, John A Jane, Erin S Schwartz, Victor Haughton
Purpose The relationship between syringomyelia and presyrinx, characterized by edema in the spinal cord, has not been firmly established. Patients with syringomyelia have abnormal spinal canal tapering that alters cerebrospinal fluid flow dynamics, but taper ratios in presyrinx have never been reported. We tested the hypothesis that presyrinx patients have abnormal spinal canal tapering. Materials and methods At six medical institutions, investigators searched the PACS system for patients with Chiari I and spinal cord edema unassociated with tumor, trauma, or other evident cause...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28688984/patient-profiling-can-identify-adult-spinal-deformity-asd-patients-at-risk-for-conversion-from-nonoperative-to-surgical-treatment-initial-steps-to-reduce-ineffective-asd-management
#15
Peter G Passias, Cyrus M Jalai, Breton G Line, Gregory W Poorman, Justin K Scheer, Justin S Smith, Christopher I Shaffrey, Douglas C Burton, Kai-Ming G Fu, Eric O Klineberg, Robert A Hart, Frank Schwab, Virginie Lafage, Shay Bess
BACKGROUND CONTEXT: Non-operative management is a common initial treatment for adult spinal deformity (ASD) patients despite reported superiority of surgery with regard to outcomes. Ineffective medical care is a large source of resource drain on the health system. Characterization of ASD patients likely to elect for operative treatment from nonoperative management may allow for more efficient patient counseling and cost savings. PURPOSE: To identify deformity and disability characteristics of ASD patients that ultimately convert to operative treatment compared to those that remain non-operative and those that initially choose surgery...
July 5, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28688061/new-method-for-correction-of-lumbo-sacral-kyphosis-deformity-in-patient-with-high-pelvic-incidence
#16
Marcin Czyz, Stephen Forster, James Holton, Babak Shariati, David J Clarkson, Bronek M Boszczyk
STUDY DESIGN: Technical note. OBJECTIVE: We describe a novel technique of bilateral longitudinal sacral osteotomy allowing direct reduction of high pelvic incidence (PI) and correction of sagittal imbalance. METHODS: A 25-year-old female patient presented with a disabling lumbo-sacral kyphosis fused in situ through previous operations with residual low-grade wound infection and grade IV L5/S1 spondylolisthesis with severity index (SI) of 65%...
July 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28685857/biomechanical-simulations-of-costo-vertebral-and-anterior-vertebral-body-tethers-for-the-fusionless-treatment-of-pediatric-scoliosis
#17
Carl-Éric Aubin, Julien Clin, Jeremy Rawlinson
Compression-based fusionless tethers are an alternative to conventional surgical treatments of pediatric scoliosis. Anterior approaches place an anterior (ANT) tether on the anterolateral convexity of the deformed spine to modify growth. Posterior, or costo-vertebral (CV), approaches have not been assessed for biomechanical and corrective effectiveness. The objective was to biomechanically assess CV and ANT tethers using six patient-specific, finite element models of adolescent scoliotic patients (11.9 ± 0...
July 7, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28684347/the-adult-deformity-surgery-complexity-index-adsci-a-valid-tool-to-quantify-the-complexity-of-posterior-adult-spinal-deformity-surgery-and-predict-postoperative-complications
#18
Ferran Pellisé, Alba Vila-Casademunt, Susana Núñez-Pereira, Montse Domingo-Sàbat, Juan Bagó, Xavier Vidal, Ahmet Alanay, Emre Acaroglu, Frank Kleinstück, Ibrahim Obeid, Francisco J S Pérez-Grueso, Virginie Lafage, Shay Bess, Christopher Ames, Anne F Mannion
BACKGROUND CONTEXT: In 2008, Mirza et al. designed and validated the first and only index capable of quantifying the complexity of spine surgery. However, this index is not fully applicable to adult spinal deformity (ASD) surgery, since it does not include the surgical techniques most commonly used and most strongly associated with perioperative complications in ASD patients. PURPOSE: The objective of this study is to develop an "Adult Deformity Surgery Complexity Index" (ADSCI), to quantify objectively the complexity of the ASD posterior surgery...
July 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28676311/the-seattle-spine-score-predicting-30-day-complication-risk-in-adult-spinal-deformity-surgery
#19
Quinlan D Buchlak, Vijay Yanamadala, Jean-Christophe Leveque, Alicia Edwards, Kellen Nold, Rajiv Sethi
BACKGROUND: Complication rates in complex spine surgery range from 25% to 80% in published studies. Numerous studies have shown that surgeons are not able to accurately predict whether patients are likely to face post-operative complications, in part due to biases based on individual experience. The purpose of this study was to develop and evaluate a predictive risk model and decision support system that could accurately predict the likelihood of 30-day postoperative complications in complex spine surgery based on routinely measured preoperative variables...
July 1, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28675493/quantitation-of-nasal-development-in-the-early-prenatal-period-using-geometric-morphometrics-and-mri-a-new-insight-into-the-critical-period-of-binder-phenotype
#20
Motoki Katsube, Shigehito Yamada, Reina Miyazaki, Yutaka Yamaguchi, Haruyuki Makishima, Tetsuya Takakuwa, Akira Yamamoto, Yosuke Fujii, Naoki Morimoto, Tsuyoshi Ito, Hirohiko Imai, Shigehiko Suzuki
OBJECTIVES: Disturbance of the development of the nasal septum in the early prenatal period causes congenital facial anomalies characterized by a flat nose and defects of the anterior nasal spine (ANS), such as Binder phenotype. The present research aimed to assess the development of the nasal septum and the ANS with growth in the early prenatal period. METHODS: Magnetic resonance images were obtained from 56 specimens. Mid-sagittal images were analyzed using geometric morphometrics for the development of the nasal septum, and angle analysis was performed for the development of the ANS...
July 4, 2017: Prenatal Diagnosis
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