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https://www.readbyqxmd.com/read/29145287/transforaminal-endoscopy-in-lumbar-burst-fracture-a-case-report
#1
Yuanyi Wang, Cong Ning, Liyu Yao, Xiuying Huang, Chengliang Zhao, Bin Chen, Nan Zhang
RATIONALE: Lumbar burst fractures are frequent injury resulting from high-energy trauma, and the patients suffer from pain and the neurologic dysfunction. Although minimally invasive techniques have advanced rapidly, it was the first time to apply transforaminal endoscopic combined with percutaneous pedicle screw fixation to treatment of lumbar burst fractures. PATIENT CONCERNS: A 33-year-old man underwent Magerl type A3.1 burst fracture at L2 and compression fractures at L3 due to falling from a height with severe lower back pain, sensory loss, and atony of the right leg...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29140761/limb-segment-load-inhibits-the-recovery-of-soleus-h-reflex-after-segmental-vibration-in-humans
#2
Shih-Chiao Tseng, Richard K Shields
We investigated the effects of vertical vibration and compressive load on soleus H-reflex amplitude and postactivation depression. We hypothesized that, in the presence of a compressive load, limb vibration induces a longer suppression of soleus H-reflex. Eleven healthy adults received vibratory stimulation at a fixed frequency (30 Hz) over two loading conditions (0% and 50% of individual's body weight). H-reflex amplitude was depressed ∼88% in both conditions during vibration. Cyclic application of compression after cessation of the vibration caused a persistent reduction in H-reflex excitability and postactivation depression for > 2...
November 15, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/29136734/-functional-recovery-after-recurrent-laryngeal-nerve-injury-on-different-electromyography-thresholds-during-thyroid-surgery
#3
X L Liu, C L Li, Y S Zhao, H Sun
Objective: To discuss the functional recovery after recurrent laryngeal nerve injury (RLNI) on different electromyography thresholds during thyroid surgery. Methods: The prospective experimentally were induced in 12 acute recurrent laryngeal traction animals (porcine) from December 2014 to December 2015, the amplitude and latency of electromyography, even time course during RLNI and recovery of 24 recurrent laryngeal nerves(RLN) were continuous intraoperative neuromonitoring(IONM), including 12 RLN releasing traction after 50% amplitude decrease (AD) and other 12 RLN after 70% AD...
November 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29132725/computational-study-of-the-role-of-fluid-content-and-flow-on-the-lumbar-disc-response-in-cyclic-compression-replication-of-in-vitro-and-in-vivo-conditions
#4
Petra Velísková, Maxim Bashkuev, Aboulfazl Shirazi-Adl, Hendrik Schmidt
The intervertebral disc viscoelastic response is governed primarily by its fluid content and flow. Invivo measurements demonstrate that the disc volume, fluid content, height and nucleus pressure completely recover during resting even after diurnal loading with twice longer duration (16 vs. 8 h). In view of much longer periods required for the recovery of disc height and pressure in vitro, concerns have been raised on the fluid inflow through the endplates that might be hampered by clogged blood vessels post mortem...
November 3, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29129769/retrosigmoid-intradural-suprameatal-inframeatal-approach-for-complete-surgical-removal-of-a-giant-recurrent-vestibular-schwannoma-with-severe-petrous-bone-involvement-technical-case-report
#5
Yosuke Sato, Tohru Mizutani, Katsuyoshi Shimizu, Hans-Joachim Freund, Madjid Samii
BACKGROUND: Surgical removal of giant vestibular schwannomas with severe petrous bone involvement remains challenging due to the high risk of complications. The retrosigmoid intradural suprameatal-inframeatal approach (RISIA) allows for safe exposure extending from Meckel's cave to the petrous internal carotid artery (ICA). CLINICAL DESCRIPTION: A 27-year-old man presented with recurrence of a giant vestibular schwannoma (4.5 cm) invading Meckel's cave and the left petrous ICA...
November 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29122964/enhanced-muscle-blood-flow-with-intermittent-pneumatic-compression-of-the-lower-leg-during-plantar-flexion-exercise-and-recovery
#6
Kathryn A Zuj, Chekema N Prince, Richard L Hughson, Sean D Peterson
This study tested the hypothesis that intermittent compression of the lower limb would increase blood flow during exercise and post-exercise recovery. Data were collected from 12 healthy individuals (8 men) who performed three minutes of standing plantar flexion exercise. Three conditions were tested: no applied compression (NoComp), compression during the exercise period only (ExComp), and compression during two minutes of standing post-exercise recovery (RecComp). Doppler ultrasound was used to determine superficial femoral artery (SFA) blood flow responses...
November 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29122527/implementation-of-enhanced-recovery-programs-for-bariatric-surgery-results-from-the-francophone-large-scale-database
#7
Anissa Deneuvy, Karem Slim, Maxime Sodji, Pierre Blanc, Denis Gallet, Marie-Cécile Blanchet
BACKGROUND: The feasibility, safety, and efficacy of programs for enhanced recovery after bariatric surgery (ERABS) are now well established. However, data concerning their large-scale implementation remain insufficient. OBJECTIVES: The objective of the present study was to review the multicenter implementation of ERABS SETTING: This retrospective analysis of a prospective database was conducted in 15 Groupe francophone de Rehabilitation Améliorée après ChirurgiE centers from data from March 2014 to January 2017...
October 4, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29119040/giant-mucopyocele-associated-with-intracranial-hypertension-case-report-and-literature-review
#8
Maick Willen Fernandes Neves, Luis Otavio Carneiro Pontelli, Luiz Gustavo de Abreu Mattos, Mariana Mazzuia Guimarães, Telmo Augusto Barba Belsuzarri, Tiago Fernandes Gonçales, Wolnei Marques Zeviani, Paulo Henrique Pires de Aguiar, João Flavio Mattos Araújo
Background: Mucoceles are epithelial lined sacs that contain mucous. Eventually, they can be infected and so called mucopyoceles, which are usually slow growing lesions with common bone destruction located in the facial sinus. Mucoceles show multivariate etiology and occur between the fourth and seventh decade of life. Case Description: Patient, 55-year-old, female, was referred unconscious with Cushing's triad to our department; she had fever since four days. The findings of skull computer tomography highlighted a large bifrontal lesion with an invasion of the rear wall of the frontal sinus, compression of the frontal lobes, and midline deviation...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29117152/spatial-temporal-data-collection-with-compressive-sensing-in-mobile-sensor-networks
#9
Haifeng Zheng, Jiayin Li, Xinxin Feng, Wenzhong Guo, Zhonghui Chen, Neal Xiong
Compressive sensing (CS) provides an energy-efficient paradigm for data gathering in wireless sensor networks (WSNs). However, the existing work on spatial-temporal data gathering using compressive sensing only considers either multi-hop relaying based or multiple random walks based approaches. In this paper, we exploit the mobility pattern for spatial-temporal data collection and propose a novel mobile data gathering scheme by employing the Metropolis-Hastings algorithm with delayed acceptance, an improved random walk algorithm for a mobile collector to collect data from a sensing field...
November 8, 2017: Sensors
https://www.readbyqxmd.com/read/29114950/inorganic-organic-double-network-gels-containing-ionic-liquids
#10
Eiji Kamio, Tomoki Yasui, Yu Iida, Jian Ping Gong, Hideto Matsuyama
Highly robust ion gels, termed double-network (DN) ion gels, composed of inorganic/organic interpenetrating networks and a large amount of ionic liquids (ILs), are fabricated. The DN ion gels with an 80 wt% IL content show extraordinarily high mechanical strength: more than 28 MPa of compressive fracture stress. In the DN ion gel preparation, a brittle inorganic network of physically bonded silica nanoparticles and a ductile organic network of polydimethylacrylamide (PDMAAm) are formed in the IL. Because of the different reaction mechanisms of the inorganic/organic networks, the DN ion gels can be formed by an easy and free-shapeable one-pot synthesis...
November 8, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29114528/effect-of-compression-garments-on-delayed-onset-muscle-soreness-and-blood-inflammatory-markers-after-eccentric-exercise-a-randomized-controlled-trial
#11
Jieun Kim, Jooyoung Kim, Joohyung Lee
The purpose of this study was to investigate how compression garments, applied after eccentric exercise, can affect delayed onset muscle soreness (DOMS) and inflammatory markers. Sixteen healthy male university students enrolled in this study and were randomly assigned to either the compression garment group (CG, n=8) or control group (CON, n=8). All participants performed two sets of eccentric exercise using elbow flexor with 25 repetitions per set on a modified preacher curl machine. Maximal isometric strength was measured before exercise and immediately, 24, 48, 72, and 96 hr after eccentric exercise...
October 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29113903/long-term-follow-up-of-metastatic-epidural-spinal-cord-compression-mescc-patients-from-breast-cancer-treated-with-surgery-followed-by-radiotherapy
#12
Federico Pessina, Pierina Navarria, Marco Riva, Davide Franceschini, Marco Conti Nibali, Maurizio Fornari, Marta Scorsetti
BACKGROUND: Aim of this study was to evaluate the role of surgery plus radiotherapy in Metastatic Epidural Spinal Cord Compression (MESCC) breast cancer (BC) patients with a follow-up longer than 10 years. METHODS: Twenty-three patients treated between 2004 and 2008 were included. Surgical treatment was performed in patients with good performance status, limited metastatic disease and progressive neurologic deficit and/or intractable pain. RT was performed delivering a median total dose of 30 Gy in 10 fractions...
November 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29102892/multi-tubule-conduit-filler-constructs-loaded-with-gradient-distributed-growth-factors-for-neural-tissue-engineering-applications
#13
Hua Wu, Qing Fang, Jiaoyan Liu, Xiaofeng Yu, Yigui Xu, Ying Wan, Bo Xiao
Chitosan/silk fibroin/glycerophosphate gels were loaded with nerve growth factor (NGF) and further processed into multi-tubule fillers. NGF was loaded into the fillers in such a way so that a NGF gradient was established longitudinally along the filler length. A type of poly(lactide-co-glycolide)(PLGA)/chitosan(CH) porous conduit was fabricated using a pre-crosslinking method. The filler was fully filled into the lumen of conduits to build multi-tubule conduit-filler constructs that are intended for long-gap peripheral nerve repair...
October 27, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29102255/hourglass-like-constriction-of-the-suprascapular-nerve-a-contraindication-for-minimally-invasive-surgery
#14
Adolfo Vigasio, Ignazio Marcoccio
BACKGROUND: Suprascapular nerve (SSN) entrapment is usually ascribed to static or dynamic compression. When no cause of compression is found, SSN entrapment is defined as idiopathic. Focal hourglass-like constriction (H-LC) of the SSN that results in muscle paralysis represents an unusual condition that may be misinterpreted and erroneously diagnosed as SSN entrapment or as neuralgic amyotrophy. METHODS: With the aim of finding clinical and surgical clues that could differentiate the traditional form of idiopathic SSN entrapment from the rare H-LC, a series of 6 cases of SSN palsy caused by H-LC is presented...
October 25, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29096981/osmosis-and-viscoelasticity-both-contribute-to-time-dependent-behaviour-of-the-intervertebral-disc-under-compressive-load-a-caprine-in-vitro-study
#15
Kaj S Emanuel, Albert J van der Veen, Christine M E Rustenburg, Theodoor H Smit, Idsart Kingma
The mechanical behaviour of the intervertebral disc highly depends on the content and transport of interstitial fluid. It is unknown, however, to what extent the time-dependent behaviour can be attributed to osmosis. Here we investigate the effect of both mechanical and osmotic loading on water content, nucleus pressure and disc height. Eight goat intervertebral discs, immersed in physiological saline, were subjected to a compressive force with a pressure needle inserted in the nucleus. The loading protocol was: 10 N (6 h); 150 N (42 h); 10 N (24 h)...
October 25, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29095877/volumetric-brain-tumour-detection-from-mri-using-visual-saliency
#16
Somosmita Mitra, Subhashis Banerjee, Yoichi Hayashi
Medical image processing has become a major player in the world of automatic tumour region detection and is tantamount to the incipient stages of computer aided design. Saliency detection is a crucial application of medical image processing, and serves in its potential aid to medical practitioners by making the affected area stand out in the foreground from the rest of the background image. The algorithm developed here is a new approach to the detection of saliency in a three dimensional multi channel MR image sequence for the glioblastoma multiforme (a form of malignant brain tumour)...
2017: PloS One
https://www.readbyqxmd.com/read/29082755/influence-of-different-types-of-compression-garments-on-exercise-induced-muscle-damage-markers-after-a-soccer-match
#17
Diego Marqués-Jiménez, Julio Calleja-González, Iñaki Arratibel-Imaz, Anne Delextrat, Fernando Uriarte, Nicolás Terrados
There is not enough evidence of positive effects of compression therapy on the recovery of soccer players after matches. Therefore, the objective was to evaluate the influence of different types of compression garments in reducing exercise-induced muscle damage (EIMD) during recovery after a friendly soccer match. Eighteen semi-professional soccer players (24 ± 4.07 years, 177 ± 5 cm; 71.8 ± 6.28 kg and 22.73 ± 1.81 BMI) participated in this study. A two-stage crossover design was chosen. Participants acted as controls in one match and were assigned to an experimental group (compression stockings group, full-leg compression group, shorts group) in the other match...
October 30, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29080236/shuffled-magnetization-prepared-multicontrast-rapid-gradient-echo-imaging
#18
Peng Cao, Xucheng Zhu, Shuyu Tang, Andrew Leynes, Angela Jakary, Peder E Z Larson
PURPOSE: To develop a novel acquisition and reconstruction method for magnetization-prepared 3-dimensional multicontrast rapid gradient-echo imaging, using Hankel matrix completion in combination with compressed sensing and parallel imaging. METHODS: A random k-space shuffling strategy was implemented in simulation and in vivo human experiments at 7 T for 3-dimensional inversion recovery, T2 /diffusion preparation, and magnetization transfer imaging. We combined compressed sensing, based on total variation and spatial-temporal low-rank regularizations, and parallel imaging with pixel-wise Hankel matrix completion, allowing the reconstruction of tens of multicontrast 3-dimensional images from 3- or 6-min scans...
October 27, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29078123/adsorption-and-regeneration-of-expanded-graphite-modified-by-ctab-kbr-h3po4-for-marine-oil-pollution
#19
Congbin Xu, Chunlei Jiao, Ruihua Yao, Aijun Lin, Wentao Jiao
The cleaning-up of viscous oil spilled in ocean is a global challenge, especially in Bohai, due to its slow current movement and poor self-purification capacity. Frequent oil-spill accidents not only cause severe and long-term damages to marine ecosystems, but also lead to a great loss of valuable resources. To eliminate the environmental pollution of oil spills, an efficient and environment-friendly oil-recovery approach is necessary. In this study,(1)expanded graphite (EG) modified by CTAB-KBr/H3PO4 was synthesized via composite intercalation agents of CTAB-KBr and natural flake graphite, followed by the activation of phosphoric acid at low temperature...
October 24, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29075862/concomitant-external-pneumatic-compression-treatment-with-consecutive-days-of-high-intensity-interval-training-reduces-markers-of-proteolysis
#20
Cody T Haun, Michael D Roberts, Matthew A Romero, Shelby C Osburn, James C Healy, Angelique N Moore, Christopher B Mobley, Paul A Roberson, Wesley C Kephart, Petey W Mumford, Michael D Goodlett, David D Pascoe, Jeffrey S Martin
PURPOSE: To compare the effects of external pneumatic compression (EPC) and sham when used concurrently with high intensity interval training (HIIT) on performance-related outcomes and recovery-related molecular measures. METHODS: Eighteen recreationally endurance-trained male participants (age: 21.6 ± 2.4 years, BMI: 25.7 ± 0.5 kg/m(2), VO2peak: 51.3 ± 0.9 mL/kg/min) were randomized to balanced sham and EPC treatment groups. Three consecutive days of HIIT followed by EPC/sham treatment (Days 2-4) and 3 consecutive days of recovery (Days 5-7) with EPC/sham only on Days 5-6 were employed...
October 26, 2017: European Journal of Applied Physiology
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