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Compression, recovery,

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https://www.readbyqxmd.com/read/28434152/compression-garments-and-recovery-from-exercise-a-meta-analysis
#1
REVIEW
Freddy Brown, Conor Gissane, Glyn Howatson, Ken van Someren, Charles Pedlar, Jessica Hill
BACKGROUND: Adequate recovery from exercise is essential to maintain performance throughout training and competition. While compression garments (CG) have been demonstrated to accelerate recovery, the literature is clouded by conflicting results and uncertainty over the optimal conditions of use. OBJECTIVES: A meta-analysis was conducted to assess the effects of CG on the recovery of strength, power and endurance performance following an initial bout of resistance, running, or non-load-bearing endurance (metabolic) exercise...
April 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28430048/a-spinal-epidural-abscess-due-to-streptobacillus-moniliformis-infection-following-a-rat-bite-case-report
#2
Alexander Hammer, Dorit Wolff, Walter Geißdörfer, Michael Schrey, Renate Ziegler, Hans-Herbert Steiner, Christian Bogdan
The authors describe the case of a 40-year-old man suffering from an epidural abscess in the thoracic spine due to a rarely isolated pathogen, Streptobacillus moniliformis, the causative agent of rat bite fever. Besides diffuse abdominal pain, ataxia, paresthesia, hypesthesia, and enhanced reflexes of the lower extremities, the patient suffered from a decreased sensation of bladder filling. His history was also positive for a rat bite 6 weeks earlier. Magnetic resonance imaging showed an epidural, space-occupying lesion compressing the spinal cord at the vertebral levels of T6-8...
April 21, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28428759/morphological-regeneration-and-functional-recovery-of-neuromuscular-junctions-after-tourniquet-induced-injuries-in-mouse-hindlimb
#3
Huiyin Tu, Dongze Zhang, Ryan M Corrick, Robert L Muelleman, Michael C Wadman, Yu-Long Li
Tourniquet application and its subsequent release cause serious injuries to the skeletal muscle, nerve, and neuromuscular junction (NMJ) due to mechanical compression and ischemia-reperfusion (IR). Monitoring structural and functional repair of the NMJ, nerve, and skeletal muscle after tourniquet-induced injuries is beneficial in exploring potential cellular and molecular mechanisms responsible for tourniquet-induced injuries, and for establishing effective therapeutic interventions. Here, we observed long-term morphological and functional changes of the NMJ in a murine model of tourniquet-induced hindlimb injuries...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28422648/fast-and-stable-signal-deconvolution-via-compressible-state-space-models
#4
Abbas Kazemipour, Ji Liu, Krystyna Solarana, Daniel Nagode, Patrick Kanold, Min Wu, Behtash Babadi
OBJECTIVE: Common biological measurements are in the form of noisy convolutions of signals of interest with possibly unknown and transient blurring kernels. Examples include EEG and calcium imaging data. Thus, signal deconvolution of these measurements is crucial in understanding the underlying biological processes. The objective of this paper is to develop fast and stable solutions for signal deconvolution from noisy, blurred and undersampled data, where the signals are in the form of discrete events distributed in time and space...
April 13, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28421284/oropharyngeal-dysphagia-in-secondary-normal-pressure-hydrocephalus-due-to-corticobulbar-tract-compression-cases-series-and-review-of-literature
#5
Kwang Wook Jo, Youngkook Kim, Geun-Young Park, Ik Seong Park, Yongjun Jang, Sohn Dong Gyun, Sun Im
The association and mechanism involved in swallowing disturbance and normal pressure hydrocephalus (NPH) needs to be established. We report a case report where a patient who showed progressive swallowing dysfunction was diagnosed with secondary NPH. Tractography analysis showed corticobulbar tract compression by ventricular dilation. Drainage operation led to the recovery of tract volume with an improvement of swallowing function. We also report ten case series in which secondary NPH was associated with a swallowing disturbance...
April 19, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28418057/geometry-dependent-compressive-responses-in-nanoimprinted-submicron-structured-shape-memory-polyurethane
#6
Wei Li Lee, Hong Yee Low, Christine Ortiz
High resolution surface textures, when rationally designed, provide an attractive surface engineering approach to enhance surface functionalities. Designing smart surfaces by coupling surface texture with shape memory polymers has garnered attention in achieving tunable mechanical properties. We investigate the structure-mechanical property relationships for programmable, shape-memorizing submicron-scale pillar arrays subjected to flat-punch compression. The geometrically-dependent deformation of structured surfaces with two different aspect ratios (250 nm-pillars 1 : 1 and 550 nm-pillars 2...
April 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28416837/-clinical-comparison-of-polymethylmethacrylate-and-bone-cement-in-the-treatment-of-osteoporotic-vertebral-compression-fractures-a-retrospective-study
#7
L P Shang, Y Tian, X G Liu
OBJECTIVE: To analyze the outcomes of patients with osteoporotic vertebral compression fractures treated with polymethylmethacrylate (PMMA) and GeneX bone cement in percutaneous kyphoplasty and to provide guidance in selecting the vertebral filling material for this procedure. METHODS: In this study, 86 patients with osteoporotic vertebral compression fractures treated at Peking University Third Hospital between June 2012 and June 2013 were retrospectively analyzed...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416834/-efficacy-of-transforaminal-endoscopic-nerve-root-decompression-in-the-treatment-of-degenerative-lumbar-spinal-stenosis
#8
Z R Yu, C D Li, S N Zhu, H L Sun, Y Zhao, L T Qi
OBJECTIVE: To evaluate the feasibility of transforaminal endoscopic nerve root decompression for degenerative lumbar spinal stenosis (DLSS). METHODS: From July 2011 to April 2016, 96 cases of single segment DLSS were involved. All the patients had unilateral lower extremity neurological symptoms, signs, neurogenic intermittent claudication of less than 500 m. Imaging examinations (CT or MRI) or diagnostic nerve root block confirmed single segment degeneration. The mean age was (71...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28414607/cardiac-arrest-in-an-american-cocker-spaniel-during-a-deep-ear-flush-procedure
#9
Alexandra Gould, Fernando L Garcia-Pereira, W Dunbar Gram
CASE DESCRIPTION A 14-year-old spayed female American Cocker Spaniel with bilateral otitis media and no evidence of cardiovascular instability was anesthetized to allow performance of a deep ear flush. CLINICAL FINDINGS Otoscopic examination of the left ear revealed evidence of chronic inflammation; the ear was flushed with sterile saline (0.9% NaCl) solution. Examination of the right ear revealed more severe chronic inflammation than in the left ear, including a ruptured tympanum (timing of rupture unknown)...
May 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28407937/myofibrillar-protein-gel-properties-are-influenced-by-oxygen-concentration-in-modified-atmosphere-packaged-minced-beef
#10
Hang Wang, Yongkang Luo, Per Ertbjerg
Minced beef was stored for 8days and myofibrillar protein (MP) was extracted to investigate the effect of oxygen concentration (0, 20, 40, 60, and 80%) in modified atmosphere packaging (MAP) on heat-induced gel properties. Compression force of gels was lower when prepared from beef packaged in 0% oxygen, intermediate in 20 to 60% oxygen and greater in 80% oxygen. Total water loss of gels prepared from beef packaged with oxygen (20-80%) was higher and rheology measurements presented higher G' and G″ values...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28407572/synthesis-and-viscoelastic-characterization-of-microstructurally-aligned-silk-fibroin-sponges
#11
Debojyoti Panda, Subhajit Konar, Saumendra K Bajpai, A Arockiarajan
Silk fibroin (SF) is a model candidate for use in tissue engineering and regenerative medicine owing to its bio-compatible mechanochemical properties. Despite numerous advances made in the fabrication of various biomimetic substrates using SF, relatively few clinical applications have been designed, primarily due to the lack of complete understanding of its constitutive properties. Here we fabricate microstructurally aligned SF sponge using the unidirectional freezing technique wherein a novel solvent-processing technique involving Acetic acid is employed, which obviates the post-treatment of the sponges to induce their water-stability...
March 28, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28404450/does-lying-in-the-recovery-position-increase-the-likelihood-of-not-delivering-cardiopulmonary-resuscitation
#12
Miguel Freire-Tellado, Rubén Navarro-Patón, Maria Del Pilar Pavón-Prieto, Marta Fernández-López, Javier Mateos-Lorenzo, Ivan López-Fórneas
BACKGROUND: Resuscitation guidelines endorse unconscious and normally breathing out-of-hospital victims to be placed in the recovery position to secure airway patency, but recently a debate has been opened as to whether the recovery position threatens the cardiac arrest victim's safety assessment and delays the start of cardiopulmonary resuscitation. AIM: To compare the assessment of the victim's breathing arrest while placed in the recovery position versus maintaining an open airway with the continuous head tilt and chin lift technique to know whether the recovery position delays the cardiac arrest victim's assessment and the start of cardiopulmonary resuscitation...
April 9, 2017: Resuscitation
https://www.readbyqxmd.com/read/28382214/spontaneous-spinal-epidural-hematoma-management-a-case-series-and-literature-review
#13
Kyle Raasck, Ahmed A Habis, Ahmed Aoude, Leonardo Simões, Fernando Barros, Rudy Reindl, Peter Jarzem
OBJECTIVE: Spontaneous spinal epidural hematoma (SSEH) manifests from blood accumulating in the epidural space, compressing the spinal cord and leading to acute neurological deficits. Standard therapy is decompressive laminectomy, although spontaneous recoveries have been reported. Sub-optimal therapeutic principles contribute to SSEH's 5.7% mortality-which patient will benefit from surgery remains unclear. This study aims to investigate parameters that affect SSEH's progression, outlining a best-practice therapeutic approach...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28381364/injections-from-sub-%C3%AE-l-sample-volumes-in-commercial-capillary-electrophoresis
#14
Andrea Šlampová, Pavel Kubáň
A simple sample injection procedure compatible with commercial capillary electrophoresis (CE) instrumentation was developed, which enables handling sample volumes as little as 250nL for analytical applications where sample volume availability is of concern. Single-use micro-sampling inserts were prepared by thermal modification of polypropylene micropipette tips and the inserts were accommodated in standard CE vials in CE autosampler carousel. To ensure direct contact of separation capillary injection end with sample solution and to avoid possible damage to the capillary, a soft compression spring was placed at the bottom of the vial underneath the micro-sampling insert...
March 27, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28381129/compression-decreases-anatomical-and-functional-recovery-and-alters-inflammation-after-contusive-spinal-cord-injury
#15
Michael B Orr, Jennifer Simkin, William M Bailey, Neha H Kadambi, Anna Leigh McVicar, Amy K Veldhorst, John Gensel
Experimental models of spinal cord injury (SCI) typically utilize contusion or compression injuries. Clinically, however, SCI is heterogeneous and the primary injury mode may affect secondary injury progression and neuroprotective therapeutic efficacy. Specifically, immunomodulatory agents are of therapeutic interest because the activation state of SCI macrophages may facilitate pathology but also improve repair. It is currently unknown how the primary injury biomechanics affect macrophage activation. Therefore, to determine the effects of compression subsequent to spinal contusion, we examined recovery, secondary injury, and macrophage activation in C57/BL6 mice after SCI with or without a 20s compression at two contusion impact forces (50 and 75 kdyn)...
April 5, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28380755/photoacoustic-imaging-beyond-the-acoustic-diffraction-limit-with-dynamic-speckle-illumination-and-sparse-joint-support-recovery
#16
Eliel Hojman, Thomas Chaigne, Oren Solomon, Sylvain Gigan, Emmanuel Bossy, Yonina C Eldar, Ori Katz
In deep tissue photoacoustic imaging the spatial resolution is inherently limited by the acoustic wavelength. Recently, it was demonstrated that it is possible to surpass the acoustic diffraction limit by analyzing fluctuations in a set of photoacoustic images obtained under unknown speckle illumination patterns. Here, we purpose an approach to boost reconstruction fidelity and resolution, while reducing the number of acquired images by utilizing a compressed sensing computational reconstruction framework. The approach takes into account prior knowledge of the system response and sparsity of the target structure...
March 6, 2017: Optics Express
https://www.readbyqxmd.com/read/28380654/-graduated-treatment-concept-for-connatal-dacryostenosis
#17
J Heichel
Unresolved epiphora in childhood is one of the most frequent issues in paediatric ophthalmology. In this context, connatal nasolacrimal duct obstruction (CNLDO) is the most important differential diagnosis and the condition is caused by a persistent Hasner's membrane in most cases. As there is a risk of complications, treatment should be considered. Therapeutic options include conservative and invasive approaches. As CNLDO is associated with high spontaneous recovery rates during the first years of life, the indication for invasive interventions must be carefully deliberated in that period...
April 5, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28370379/prognostic-factors-associated-with-recovery-of-ambulation-and-urinary-continence-in-dogs-with-acute-lumbosacral-spinal-cord-injury
#18
T A Shaw, L De Risio, E J Laws, J H Rose, T R Harcourt-Brown, N Granger
BACKGROUND: Limited information is available about prognostic factors for recovery after spinal cord injury (SCI) to the L4-S3 segments. Previous research suggests that L4-S3 SCI does not have a worse prognosis than T3-L3 SCI. HYPOTHESIS/OBJECTIVES: To elucidate prognostic factors for regaining urinary continence and ambulation in dogs with L4-S3 SCI and compare prognosis to T3-L3 SCI. ANIMALS/METHODS: A retrospective study on 61 nonambulatory dogs with L4-S3 SCI, matched to dogs with T3-L3 SCI, compared 3 weeks after onset...
April 3, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28360533/effects-of-decompression-on-behavioral-electrophysiologic-and-histomorphologic-recovery-in-a-chronic-sciatic-nerve-compression-model-of-streptozotocin-induced-diabetic-rats
#19
Ping-Hui Wang, Cheng-Chang Yang, Wei-Ren Su, Po-Ting Wu, Shun-Chien Cheng, I-Ming Jou
PURPOSE: To determine susceptibility to decompression surgery in diabetic and nondiabetic peripheral neuropathy using a chronic compression neuropathy model. MATERIALS AND METHODS: Twenty-four streptozotocin-induced diabetic rats were randomly divided into three groups: group I, chronic compression of the left sciatic nerve for 4 weeks with decompression; group II, similar without decompression; and group III, sham exposing the sciatic nerve only. The other 24 nondiabetic rats were assigned to groups IV-VI, which received compression-decompression, compression, and the sham operation, respectively...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28358160/highly-stiff-yet-elastic-microcapsules-incorporating-cellulose-nanofibrils
#20
Gilad Kaufman, Shomeek Mukhopadhyay, Yekaterina Rokhlenko, Siamak Nejati, Rostislav Boltyanskiy, Youngwoo Choo, Michael Loewenberg, Chinedum O Osuji
Microcapsules with high mechanical stability and elasticity are desirable in a variety of contexts. We report a single-step method to fabricate such microcapsules by microfluidic interfacial complexation between high stiffness cellulose nanofibrils (CNF) and an oil-soluble cationic random copolymer. Single-capsule compression measurements reveal an elastic modulus of 53 MPa for the CNF-based capsule shell with complete recovery of deformation from strains as large as 19%. We demonstrate the ability to manipulate the shell modulus by the use of polyacrylic acid (PAA) as a binder material, and observe a direct relationship between the shell modulus and the PAA concentration, with moduli as large as 0...
April 12, 2017: Soft Matter
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