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https://www.readbyqxmd.com/read/28238481/attitudes-and-counseling-practices-of-pediatricians-regarding-youth-sports-participation-and-concussion-risks
#1
Michael Fishman, Eleanor Taranto, Meryl Perlman, Kyran Quinlan, Holly J Benjamin, Lainie Friedman Ross
OBJECTIVE: To examine attitudes and practices of pediatricians toward sports-related head trauma and youth participation in tackle football and ice hockey. STUDY DESIGN: A respondent-anonymous electronic survey was distributed 3 times to members of the American Academy of Pediatrics Section of Bioethics, Council on Injury, Violence, and Poison Prevention, and Council on Sports Medicine and Fitness. RESULTS: Of 791 eligible pediatricians, 227 (29%) responded...
February 24, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28230166/a-universal-indicator-of-critical-state-transitions-in-noisy-complex-networked-systems
#2
Junhao Liang, Yanqing Hu, Guanrong Chen, Tianshou Zhou
Critical transition, a phenomenon that a system shifts suddenly from one state to another, occurs in many real-world complex networks. We propose an analytical framework for exactly predicting the critical transition in a complex networked system subjected to noise effects. Our prediction is based on the characteristic return time of a simple one-dimensional system derived from the original higher-dimensional system. This characteristic time, which can be easily calculated using network data, allows us to systematically separate the respective roles of dynamics, noise and topology of the underlying networked system...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229359/thyroid-volume-and-serum-calcitonin-changes-during-pregnancy
#3
G Vannucchi, D Covelli, B Vigo, M Perrino, L Mondina, L Fugazzola
BACKGROUND: Pregnancy has a profound impact on thyroid homeostasis which results in change of thyroid function and thyroid volume (TV). Moreover, calcitonin (CT), and its gene-related peptide have been demonstrated to play an important role in the implantation process. PURPOSE: To evaluate changes in TV and serum CT levels during pregnancy. METHODS: One hundred and fifty-five pregnant women were consecutively enrolled at the first trimester of gestation and underwent clinical, biochemical and sonographic assessment at enrollment, at the second and third trimesters and at 6 months after delivery...
February 22, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28229181/endoscopic-surgery-in-athletes-with-a-symptomatic-calcaneal-lipoma
#4
P D'Hooghe, B Krivokapic, P Dzendrowskyj, K Hassoun, B Bukva, P Landreau
PURPOSE: This study shows that endoscopy is an effective treatment modality for athletes with a symptomatic calcaneal lipoma. METHODS: Between 2013 and 2016, five professional athletes with symptomatic calcaneal lipoma underwent endoscopic-assisted curettage and bone graft treatment. Lipoma size was measured by magnetic resonance imaging (MRI) and rated using the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot Scale (AOFAS). All athletes were followed up for 12 months postoperatively and monitored on return to previous activity level...
February 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28228168/luminescence-spectroscopical-properties-of-plagioclase-particles-from-the-hayabusa-sample-return-mission-an-implication-for-study-of-space-weathering-processes-in-the-asteroid-itokawa
#5
Arnold Gucsik, Tomoki Nakamura, Cornelia Jäger, Kiyotaka Ninagawa, Hirotsugu Nishido, Masahiro Kayama, Akira Tsuchiyama, Ulrich Ott, Ákos Kereszturi
We report a systematic spectroscopical investigation of three plagioclase particles (RB-QD04-0022, RA-QD02-0025-01, and RA-QD02-0025-02) returned by the Hayabusa spacecraft from the asteroid Itokawa, by means of scanning electron microscopy, cathodoluminescence microscopy/spectroscopy, and micro-Raman spectroscopy. The cathodoluminescence properties are used to evaluate the crystallization effects and the degree of space weathering processes, especially the shock-wave history of Itokawa. They provide new insights regarding spectral changes of asteroidal bodies due to space weathering processes...
February 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28227739/cortical-responses-following-simultaneous-and-sequential-retinal-neurostimulation-with-different-return-configurations
#6
Alejandro Barriga-Rivera, John W Morley, Nigel H Lovell, Gregg J Suaning, Alejandro Barriga-Rivera, John W Morley, Nigel H Lovell, Gregg J Suaning, Alejandro Barriga-Rivera, Gregg J Suaning, John W Morley, Nigel H Lovell
Researchers continue to develop visual prostheses towards safer and more efficacious systems. However limitations still exist in the number of stimulating channels that can be integrated. Therefore there is a need for spatial and time multiplexing techniques to provide improved performance of the current technology. In particular, bright and high-contrast visual scenes may require simultaneous activation of several electrodes. In this research, a 24-electrode array was suprachoroidally implanted in three normally-sighted cats...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227478/portable-video-oculography-device-for-implementation-in-sideline-concussion-assessments-a-prototype
#7
Joshua D Fischer, Dawie J van den Heever, Joshua D Fischer, Dawie J van den Heever, Dawie J Van den Heever, Joshua D Fischer
Concussion is currently a serious health problem and can lead to severe brain dysfunction. There is a definite need for sensitive and reliable tests to detect and evaluate the subtle changes in brain function caused by concussion. This study details the development of a low cost portable eye tracking device that can aid in the detection of concussions. The device evaluates ocular motor function and can be used on the sidelines of sporting events to give a quick indication of the severity of head trauma. It can further be used to evaluate and monitor mild Traumatic Brain Injuries and aid in the return to play decision making process...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226433/preliminary-results-of-residual-deficits-observed-in-athletes-with-concussion-history-combined-eeg-and-cognitive-study
#8
Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai, Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai, Reza Fazel-Rezai, Jeffrey L Gendreau, Benjamin D Johnson, Tamanna T K Munia, Ajay K Verma, Kouhyar Tavakolian, Mark Romanick
Assessment, treatment, and management of sport-related concussions are a widely recognized public health issue. Although several neuropsychological and motor assessment tools have been developed and implemented for sports teams at various levels and ages, the sensitivity of these tests has yet to be validated with more objective measures to make return-to-play (RTP) decisions more confidently. The present study sought to analyze the residual effect of concussions on a sample of adolescent athletes who sustained one or more previous concussions compared to those who had no concussion history...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222310/circulating-mirna-associated-with-posttraumatic-stress-disorder-in-a-cohort-of-military-combat-veterans
#9
Christiana G Martin, Hyungsuk Kim, Sijung Yun, Whitney Livingston, Joseph Fetta, Vincent Mysliwiec, Tristin Baxter, Jessica M Gill
Posttraumatic stress disorder (PTSD) affects many returning combat veterans, but underlying biological mechanisms remain unclear. In order to compare circulating micro RNA (miRNA) of combat veterans with and without PTSD, peripheral blood from 24 subjects was collected following deployment, and isolated miRNA was sequenced. PTSD was associated with 8 differentially expressed miRNA. Pathway analysis shows that PTSD is related to the axon guidance and Wnt signaling pathways, which work together to support neuronal development through regulation of growth cones...
January 31, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28220354/zone-ii-and-iii-fifth-metatarsal-fractures-in-athletes
#10
REVIEW
Michael Le, Robert Anderson
PURPOSE OF REVIEW: This study aimed to review indications, complications, and outcomes of zone II and III fifth metatarsal fractures based on recent literature. RECENT FINDINGS: High rates of nonunion, delayed union, and refracture in athletes treated non-operatively. The standard of care is operative treatment in athletes with intramedullary fixation. Operative treatment of zone II and III fractures in athletes will decrease the risk of nonunion and refracture while leading to an earlier return to play...
February 20, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28219942/a-higher-sport-related-reinjury-risk-does-not-mean-inadequate-rehabilitation-the-methodological-challenge-of-choosing-the-correct-comparison-group
#11
REVIEW
Ian Shrier, Meng Zhao, Alexandre Piché, Pavel Slavchev, Russell J Steele
Previous injury is a well-established predictor of subsequent injury in sports medicine. Some have interpreted this to mean that either our current methods of rehabilitation are inadequate or there is some permanent damage to the tissue and 100% rehabilitation is not possible. In 2011, we illustrated that these analyses and interpretations failed to account for the fact that some athletes are more prone to get injured, either physiologically, or because of their role/type of play. We suggested that the appropriate analysis would simply require using statistical methods that measured how each individual athlete's risk changed from preinjury to postinjury...
February 20, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28218561/scandcleft-randomised-trials-of-primary-surgery-for-unilateral-cleft-lip-and-palate-3-descriptive-study-of-postoperative-nursing-care-following-first-stage-cleft-closure
#12
Patricia Bannister, Nina Lindberg, Karin Jeppesen, Ulla Elfving-Little, Ann-Margritt Semmingsen, Anna Paganini, Annica Gustavsson, Emma Slevin, Gry Jacobsen, Phil Eyres, Gunvor Semb
BACKGROUND: Cleft lip and palate is one of the most common congenital anomalies requiring surgical treatment in children, normally commenced in the first year of life. Following the initiation of a group of multicentre surgical trials of primary surgery, variations in postoperative recovery and management became apparent. An agreement was made for a nurse-led survey in eight surgical centres to document postoperative care and recovery. MATERIALS AND METHODS: A postoperative recovery clinical report form was developed to capture relevant data for the children participating in the four arms of the trials...
February 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28211600/feasibility-of-early-physical-therapy-for-dizziness-after-a-sports-related-concussion-a-randomized-clinical-trial
#13
J C Reneker, A Hassen, R S Phillips, M C Moughiman, M Donaldson, J Moughiman
The purpose of this study was to (a) assess the feasibility of recruitment/retention of participants, protocol/resource management, and participant safety, and (b) estimate the size of the effect between the experimental and control groups. This was a feasibility study conducted as a prospective pilot double-blind randomized clinical trial. Subjects aged 10-23 years old with acute concussion and dizziness were enrolled from sports medicine centers. Forty-one participants were randomized into treatment and were seen for physical therapy beginning at 10 days post-concussion...
February 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28210334/a-shot-number-based-approach-to-performance-analysis-in-table-tennis
#14
Sho Tamaki, Kazuto Yoshida, Koshi Yamada
The current study proposes a novel approach that improves the conventional performance analysis in table tennis by introducing the concept of frequency, or the number of shots, of each shot number. The improvements over the conventional method are as follows: better accuracy of the evaluation of skills and tactics of players, additional insights into scoring and returning skills and ease of understanding the results with a single criterion. The performance analysis of matches played at the 2012 Summer Olympics in London was conducted using the proposed method...
January 1, 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28203599/surgical-management-of-rectus-femoris-avulsion-among-professional-soccer-players
#15
Bertrand Sonnery-Cottet, Nuno Camelo Barbosa, Sanesh Tuteja, Roland Gardon, Matt Daggett, Damien Monnot, Charles Kajetanek, Mathieu Thaunat
BACKGROUND: Rectus femoris injuries are common among athletes, especially in kicking sports such as soccer; however, proximal rectus femoris avulsions in athletes are a relatively rare entity. PURPOSE/HYPOTHESIS: The purpose of this study was to describe and report the results of an original technique of surgical excision of the proximal tendon remnant followed by a muscular suture repair. Our hypothesis was that this technique limits the risk of recurrence in high-level athletes and allows for rapid recovery without loss of quadriceps strength...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203595/acute-gastrocnemius-soleus-complex-injuries-in-national-football-league-athletes
#16
Brian C Werner, Nicole S Belkin, Steve Kennelly, Leigh Weiss, Ronnie P Barnes, Hollis G Potter, Russell F Warren, Scott A Rodeo
BACKGROUND: Lower extremity muscle injuries are common in professional football. Although less common than hamstring or quadriceps injuries in National Football League (NFL) athletes, calf injuries occur with relative frequency and have not previously been studied. PURPOSE: To evaluate gastrocnemius-soleus complex muscle injuries over the past 13 years from a single NFL team to determine the incidence of such injuries, their imaging characteristics, and return to play after such injuries and any correlation between imaging findings and prolonged return to play...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203588/return-to-play-and-prior-performance-in-major-league-baseball-pitchers-after-repair-of-superior-labral-anterior-posterior-tears
#17
Ryan Smith, Daniel J Lombardo, Graysen R Petersen-Fitts, Charles Frank, Troy Tenbrunsel, Gannon Curtis, James Whaley, Vani J Sabesan
BACKGROUND: The published return-to-play (RTP) rates for Major League Baseball (MLB) pitchers who have undergone surgical repair of superior labrum anterior-posterior (SLAP) tears vary widely and are generally accepted to be lower in the subset of competitive throwers. The efficacy of surgical treatment for MLB players is largely unknown. PURPOSE: To examine the RTP rate and performance of MLB pitchers who have undergone SLAP tear repair between 2003 and 2010. STUDY DESIGN: Descriptive epidemiological study...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203271/a-review-of-the-epidemiology-and-treatment-of-orthopaedic-injuries-after-earthquakes-in-developing-countries
#18
REVIEW
James S MacKenzie, Bibek Banskota, Norachart Sirisreetreerux, Babar Shafiq, Erik A Hasenboehler
BACKGROUND: Earthquakes in developing countries are devastating events. Orthopaedic surgeons play a key role in treating earthquake-related injuries to the extremities. We describe orthopaedic injury epidemiology to help guide response planning for earthquake-related disasters. METHODS: Several databases were searched for articles reporting primary injury after major earthquakes from 1970 to June 2016. We used the following key words: "earthquake" AND "fracture" AND "injury" AND "orthopedic" AND "treatment" AND "epidemiology...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28202206/retrospective-chart-analysis-of-concussion-discharge-instructions-in-the-emergency-department
#19
Allison D Lane, Matthew R Berkman, David Verbunker, Taylor Shekell, Michael Bouska, Lauren Barnett, Allie Keogh, Tomas Nuno, Uwe Stolz, Anna L Waterbrook
BACKGROUND: Recognition and diagnosis of concussion is increasing, but current research shows these patients are discharged from the emergency department (ED) with a wide variability of recommendations and instructions. OBJECTIVE: To assess the adequacy of documentation of discharge instructions given to patients discharged from the ED with concussions. METHODS: This was a quality-improvement study conducted at a University-based Level I trauma center...
February 12, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28195755/prioritizing-rare-diseases
#20
Johanna Wiss, Lars-Ake Levin, David Andersson, Gustav Tinghög
BACKGROUND: Measuring societal preferences for rarity has been proposed to determine whether paying premium prices for orphan drugs is acceptable. OBJECTIVE: To investigate societal preferences for rarity and how psychological factors affect such preferences. METHOD: A postal survey containing resource allocation dilemmas involving patients with a rare disease and patients with a common disease, equal in severity, was sent out to a randomly selected sample of the population in Sweden (return rate 42...
February 1, 2017: Medical Decision Making: An International Journal of the Society for Medical Decision Making
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