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Injury of high strain rate

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https://www.readbyqxmd.com/read/28888435/resuscitation-and-growth-kinetics-of-sub-lethally-injured-listeria-monocytogenes-strains-following-fluorescence-activated-cell-sorting-facs
#1
Thulani Sibanda, Elna M Buys
This study investigated the effect of acid (pH4.2), osmotic (10% NaCl) and heat (55°C for 30min) stress induced injury on Listeria monocytogenes strains ATCC19115, 69, 159/10 and 243 using differential plating and flow cytometry coupled with membrane integrity indicators, thiazole orange (TO) and propidium iodide (PI) staining. Growth kinetics of injured cells sorted by fluorescence activated cell sorting (FACS) were studied at 4, 25 and 37°C. The percentage of cell injury detectable by both flow cytometry and differential plating varied significantly among strains and stress treatments (p<0...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28884476/probiotics-for-preventing-urinary-tract-infection-in-people-with-neuropathic-bladder
#2
REVIEW
Swee-Ling Toh, Claire L Boswell-Ruys, Bon San B Lee, Judy M Simpson, Kate R Clezy
BACKGROUND: Neuropathic or neurogenic bladder describes a process of dysfunctional voiding as the result of injury in the brain, spinal cord or nerves innervating the bladder. People with neuropathic bladder, such as from spinal cord injury (SCI), are at significant risk of morbidity from urinary tract infections (UTI). Effective methods to prevent UTI in people with SCI have been sought for many years. Probiotics (micro-organisms that exert beneficial health effects in the host) have been recommended for bacterial interference of the urological tract to reduce colonisation by uropathogen and to manage the dual problems of infection and antibiotic resistance...
September 8, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28878888/cardiovascular-and-thermal-strain-during-3-4%C3%A2-days-of-a-metabolically-demanding-cold-weather-military-operation
#3
John W Castellani, Marissa G Spitz, Anthony J Karis, Svein Martini, Andrew J Young, Lee M Margolis, J Phillip Karl, Nancy E Murphy, Xiaojiang Xu, Scott J Montain, Jamie A Bohn, Hilde K Teien, Pål H Stenberg, Yngvar Gundersen, Stefan M Pasiakos
BACKGROUND: Cardiovascular (CV) and thermal responses to metabolically demanding multi-day military operations in extreme cold-weather environments are not well described. Characterization of these operations will provide greater insights into possible performance capabilities and cold injury risk. METHODS: Soldiers from two cold-weather field training exercises (FTX) were studied during 3-day (study 1, n = 18, age: 20 ± 1 year, height: 182 ± 7 cm, mass: 82 ± 9 kg) and 4-day (study 2, n = 10, age: 20 ± 1 year, height: 182 ± 6 cm, mass: 80...
2017: Extreme Physiology & Medicine
https://www.readbyqxmd.com/read/28859497/first-report-of-coexistence-of-ampc-beta-lactamase-genes-in-klebsiella-pneumoniae-strains-isolated-from-burn-patients
#4
Roya Ghanavati, Davood Darban-Sarokhalil, Fateme Navab-Moghadam, Hossein Kazemian, Gholamreza Irajian, Shabnam Razavi
Klebsiella spp. are among the most frequently isolated bacteria from burn wounds. These organisms are among the most important opportunistic pathogens, causing hospital-acquired and healthcare-associated infections worldwide. Limited information is available about prevalence of AmpC-producing Klebsiella pneumoniae from burn patients. Therefore, the aim of this study was to determine the characterization of AmpC beta-lactamase among K. pneumoniae isolated from burn patients. Samples were collected from wound specimens of patients with burn injury from a burn hospital in Tehran during 18 months (March 2015 to August 2016)...
September 1, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28829198/injuries-in-taekwando-systematic-review
#5
Roger E Thomas, Bennett C Thomas, Marcus M Vaska
OBJECTIVES: Assess rates/1000athletic encounters(AE) in Taekwondo of injuries/age/gender/type/location. METHODS: Searches in 17 electronic, 7 grey-literature databases. Two researchers independently assessed Abstracts/titles and abstracted data. Risk-of-bias assessed with Newcastle-Ottawa scale. Rates/1000AE computed, weighted by study sizes. RESULTS: Eighteen studies included 3 Olympic, 4 world, 1 European, 13 national, 10 provincial and one national school competition...
August 22, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28825878/injuries-in-australian-rules-football-an-overview-of-injury-rates-patterns-and-mechanisms-across-all-levels-of-play
#6
Richard Saw, Caroline F Finch, David Samra, Peter Baquie, Tanusha Cardoso, Danielle Hope, John W Orchard
CONTEXT: The nature of Australian rules football (Australian football) predisposes both unique and common injuries compared with those sustained in other football codes. The game involves a combination of tackling, kicking, high-speed running (more than other football codes), and jumping. Two decades of injury surveillance has identified common injuries at the professional level (Australian Football League [AFL]). OBJECTIVE: To provide an overview of injuries in Australian rules football, including injury rates, patterns, and mechanisms across all levels of play...
August 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28763905/-analysis-of-drug-resistance-of-acinetobacter-baumannii-in-wound-of-children-with-traffic-injury-and-its-relationship-with-antibiotic-use
#7
S Liu, C Wang, Y X Fu
Objective: To know the drug resistance of Acinetobacter baumannii (AB) in wound of children with traffic injury and its relationship with antibiotic use. Methods: Wound exudate of 226 children with traffic injury admitted to our unit from January 2010 to December 2015 were collected. API bacteria identification panels and fully automatic microbiological identification system were used to identify pathogens. Kirby-Bauer paper disk diffusion method was used to detect the drug resistance of pathogens to 18 antibiotics including amoxycillin/clavulanic acid, piperacillin/tazobactam, and imipenem...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28745561/epidemiology-of-hip-flexor-and-hip-adductor-strains-in-national-collegiate-athletic-association-athletes-2009-2010-2014-2015
#8
Timothy G Eckard, Darin A Padua, Thomas P Dompier, Sara L Dalton, Kristian Thorborg, Zachary Y Kerr
BACKGROUND: Little research has examined the rates and patterns of hip flexor or hip adductor strains in student-athletes in the National Collegiate Athletic Association (NCAA). PURPOSE: To describe the epidemiology of hip flexor and adductor strains in NCAA athletes during the 2009/2010-2014/2015 academic years. STUDY DESIGN: Descriptive epidemiology study. METHODS: Rates and patterns of hip flexor and adductor strains in collegiate sports were examined in a convenience sample of NCAA varsity teams from 25 sports...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28735552/a-prospective-study-on-the-effect-of-sport-specialization-on-lower-extremity-injury-rates-in-high-school-athletes
#9
Timothy A McGuine, Eric G Post, Scott J Hetzel, M Alison Brooks, Stephanie Trigsted, David R Bell
BACKGROUND: Sport specialization is associated with an increased risk of musculoskeletal lower extremity injuries (LEIs) in adolescent athletes presenting in clinical settings. However, sport specialization and the incidence of LEIs have not been investigated prospectively in a large population of adolescent athletes. PURPOSE: To determine if sport specialization was associated with an increased risk of LEIs in high school athletes. STUDY DESIGN: Cohort study; Level of evidence, 2...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28727627/associations-of-organizational-safety-practices-and-culture-with-physical-workload-perceptions-about-work-and-work-related-injury-and-symptoms-among-hospital-nurses
#10
Soo-Jeong Lee, Joung Hee Lee
OBJECTIVE: The study aim was to examine the relationships of organizational safety practices with nurses' perceptions about job and risk and experiences of work-related injury and symptoms. BACKGROUND: Nursing professions report high rates of work-related injuries. Organizational safety practices have been linked to workers' safety outcomes and perceptions about work. METHODS: This study analyzed data from a random sample of 280 California RNs in a cross-sectional statewide survey...
July 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28714762/effectiveness-of-prp-injection-in-reducing-recovery-time-of-acute-hamstring-injury-a-critically-appraised-topic
#11
Mary Lynn Manduca, Stephen J Straub
Clinical Scenario Hamstring strains are common athletic injuries, with a high recurrence rate (34%).(2) Recently, platelet-rich-plasma (PRP) injections have gained popularity as a potential treatment option to accelerate healing of hamstring injury.(3) Focused Clinical Question Does the combination of PRP injection and rehabilitation decrease recovery time of acute hamstring injury as compared to rehabilitation alone in collegiate athletes? Summary of Key Findings A literature search resulted in three randomized controlled trials (RCT)...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28707498/epidemiology-of-injuries-in-men-s-lacrosse-injury-prevention-implications-for-competition-level-type-of-play-and-player-position
#12
Kim D Barber Foss, Ed Le Cara, Teri McCambridge, Richard Hinton, Adam Kushner, Gregory D Myer
OBJECTIVE: The growth in participation in men's lacrosse has increased the likelihood of sport-specific injuries, yet there continues to be a need for specific epidemiological data concerning lacrosse injuries. The purpose of this literature review is to aggregate available published data on injuries that occur in the sport of men's lacrosse at the youth, high school, collegiate, and professional levels. METHODS: A comprehensive literature search was performed in PubMed, High Wire Press, SPORTDiscus, Google Scholar, and Ovid, using the keywords Lacrosse Injuries, Epidemiology Lacrosse Injuries, Lacrosse Injury, Lacrosse AND Injury and limited to 1990-2016...
July 31, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28707191/clostridium-difficile-colitis-and-colonoscopy-pediatric-perspective
#13
REVIEW
Randolph McConnie, Arthur Kastl
PURPOSE OF THE REVIEW: Review tests available for detection of Clostridium difficile (C. Diff) induced disease, including when such tests should be done in children and how they should be interpreted. RECENT FINDINGS: Multiple tests are available for detecting disease due to C. diff. These include colonoscopy and stool analysis. Colonoscopy with biopsy is the most sensitive test for detecting the presence of colitis. The toxins produced by the C. diff. (toxin A, toxin B, and binary toxin) are the agents that cause injury and disease...
August 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28701178/the-future-of-mechanical-ventilation-lessons-from-the-present-and-the-past
#14
REVIEW
Luciano Gattinoni, John J Marini, Francesca Collino, Giorgia Maiolo, Francesca Rapetti, Tommaso Tonetti, Francesco Vasques, Michael Quintel
The adverse effects of mechanical ventilation in acute respiratory distress syndrome (ARDS) arise from two main causes: unphysiological increases of transpulmonary pressure and unphysiological increases/decreases of pleural pressure during positive or negative pressure ventilation. The transpulmonary pressure-related side effects primarily account for ventilator-induced lung injury (VILI) while the pleural pressure-related side effects primarily account for hemodynamic alterations. The changes of transpulmonary pressure and pleural pressure resulting from a given applied driving pressure depend on the relative elastances of the lung and chest wall...
July 12, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28683585/pilot-findings-of-brain-displacements-and-deformations-during-roller-coaster-rides
#15
Calvin Kuo, Lyndia C Wu, Patrick P Ye, Kaveh Laksari, David Benjamin Camarillo, Ellen Kuhl
With 300 million riders annually, roller coasters are a popular recreational activity. Although the number of roller coaster injuries is relatively low, the precise effect of roller coaster rides on our brain remains unknown. Here we present the quantitative characterization of brain displacements and deformations during roller coaster rides. For two healthy adult male subjects, we recorded head accelerations during three representative rides, and, for comparison, during running and soccer headers. From the recordings, we simulated brain displacements and deformations using rigid body dynamics and finite element analyses...
July 6, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28658600/rheological-characterization-of-human-brain-tissue
#16
S Budday, G Sommer, J Haybaeck, P Steinmann, G A Holzapfel, E Kuhl
The rheology of ultrasoft materials like the human brain is highly sensitive to regional and temporal variations and to the type of loading. While recent experiments have shaped our understanding of the time-independent, hyperelastic response of human brain tissue, its time-dependent behavior under various loading conditions remains insufficiently understood. Here we combine cyclic and relaxation testing under multiple loading conditions, shear, compression, and tension, to understand the rheology of four different regions of the human brain, the cortex, the basal ganglia, the corona radiata, and the corpus callosum...
June 26, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28587794/biomechanical-analysis-of-ankle-ligamentous-sprain-injury-cases-from-televised-basketball-games-understanding-when-how-and-why-ligament-failure-occurs
#17
Emmanouil Panagiotakis, Kam-Ming Mok, Daniel Tik-Pui Fong, Anthony M J Bull
OBJECTIVES: Ankle sprains due to landing on an opponent's foot are common in basketball. There is no analysis to date that provides a quantification of this injury mechanism. The aim of this study was to quantify the kinematics of this specific injury mechanism and relate this to lateral ankle ligament biomechanics. DESIGN: Case series. METHODS: The model-based image-matching technique was used to quantify calcaneo-fibular-talar kinematics during four ankle inversion sprain injury incidents in televised NBA basketball games...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28532074/highly-effective-cu-zn-carbon-micro-nanofiber-polymer-nanocomposite-based-wound-dressing-biomaterial-against-the-p-aeruginosa-multi-and-extensively-drug-resistant-strains
#18
Mohammad Ashfaq, Nishith Verma, Suphiya Khan
Pseudomonas aeruginosa (P. aeruginosa) is the most prevalent bacteria in the infections caused by burn, surgery, and traumatic injuries. Emergence of the P. aeruginosa bacterial resistance against various clinical drugs for wound treatment is the major concern nowadays. The present study describes the synthesis of the polyvinyl alcohol (PVA) and cellulose acetate phthalate (CAP) polymeric composite film (~0.2mm thickness) reinforced with the Cu/Zn bimetal-dispersed activated carbon micro/nanofiber (ACF/CNF), as a wound dressing material...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28525774/development-and-validation-of-a-physical-model-to-investigate-the-biomechanics-of-infant-head-impact
#19
M Jones, D Darwall, G Khalid, R Prabhu, A Kemp, Owen J Arthurs, P Theobald
Head injury in childhood is the single most common cause of death or permanent disability from injury. However, despite its frequency and significance, there is little understanding of the response of a child's head to injurious loading. This is a significant limitation when making early diagnoses, informing clinical and/or forensic management or injury prevention strategies. With respect to impact vulnerability, current understanding is predominantly based on a few post-mortem-human-surrogate (PMHS) experiments...
July 2017: Forensic Science International
https://www.readbyqxmd.com/read/28457380/overexpression-of-hypoxia-inducible-factor-1%C3%AE-in-primary-graft-dysfunction-developing-in-an-orthotopic-lung-transplantation-rat%C3%A2-model
#20
F Lunardi, D Zampieri, M Vadori, D Bernardini, S E Vuljan, N Nannini, F Rea, E Cozzi, F Calabrese
BACKGROUND: Primary graft dysfunction (PGD) is the major cause of early morbidity and mortality after transplantation. A high rate of PGD is a frequent complication in orthotopic lung transplantation (OLT) models, which are currently used to investigate acute and chronic rejection pathways. Hypoxia-inducible factor (HIF)-1α is a heterodimeric αβ transcription factor that mediates tissue response to hypoxia. In other solid organ transplantations, a significant correlation between HIF-1α expression and PGD was detected...
May 2017: Transplantation Proceedings
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