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https://www.readbyqxmd.com/read/27905858/seasonal-effects-on-body-composition-muscle-characteristics-and-performance-of-collegiate-swimmers-and-divers
#1
Erica J Roelofs, Abbie E Smith-Ryan, Eric T Trexler, Katie R Hirsch
CONTEXT:  Previous researchers have indicated the importance of body composition and muscle quality in athletic performance. However, body composition and muscle-quality measures in swimmers and divers over a training season have yet to be evaluated. OBJECTIVE:  To identify changes in body composition and muscle characteristics over a competitive season and identify relationships between these variables and performance in National Collegiate Athletic Association Division I swimmers and divers...
December 1, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27905823/are-recreational-scuba-divers-with-asthma-at-increased-risk
#2
Amalie Ustrup, Charlotte Suppli Ulrik
BACKGROUND AND OBJECTIVE: Asthma has traditionally been regarded as a contraindication to Self-Contained Underwater Breathing Apparatus (SCUBA) diving, although large numbers of patients with asthma dive. The aim of the present review is to provide an update on current knowledge on potential disease-related hazards in SUBA-divers with asthma. METHODS: Systematic literature review based on the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines...
December 1, 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/27903671/sports-related-lung-injury-during-breath-hold-diving
#3
Tanja Mijacika, Zeljko Dujic
The number of people practising recreational breath-hold diving is constantly growing, thereby increasing the need for knowledge of the acute and chronic effects such a sport could have on the health of participants. Breath-hold diving is potentially dangerous, mainly because of associated extreme environmental factors such as increased hydrostatic pressure, hypoxia, hypercapnia, hypothermia and strenuous exercise.In this article we focus on the effects of breath-hold diving on pulmonary function. Respiratory symptoms have been reported in almost 25% of breath-hold divers after repetitive diving sessions...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27903670/oxygen-the-lung-and-the-diver-friends-and-foes
#4
Pieter-Jan A M van Ooij, Peter J Sterk, Robert A van Hulst
Worldwide, the number of professional and sports divers is increasing. Most of them breathe diving gases with a raised partial pressure of oxygen (PO2 ). However, if the PO2 is between 50 and 300 kPa (375-2250 mmHg) (hyperoxia), pathological pulmonary changes can develop, known as pulmonary oxygen toxicity (POT). Although in its acute phase, POT is reversible, it can ultimately lead to non-reversible pathological changes. Therefore, it is important to monitor these divers to prevent them from sustaining irreversible lesions...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27901390/effects-of-various-antiplatelet-drugs-on-ex-vivo-platelet-activation-induced-by-equine-herpesvirus-type-1
#5
Daniela Hernandez, Wee Ming Yeo, Marjory B Brooks, Sally L Ness, Thomas J Divers, Tracy Stokol
OBJECTIVE To evaluate the effects of treatment of horses with standard platelet inhibitors on ex vivo inhibition of platelet activation by equine herpesvirus type I (EHV-I). ANIMALS II healthy adult horses. PROCEDURES In a double-blinded, placebo-controlled crossover study, horses were treated orally for 5 days with theophylline (5 mg/kg, q 12 h), pentoxifylline (10 mg/kg, q 12 h), clopidogrel bisulfate (4 mg/kg, q 24 h), acetylsalicylic acid (20 mg/kg, q 24 h), or placebo. Horses received all treatments, each separated by a 3-week washout period...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27887972/radon-as-a-natural-tracer-for-underwater-cave-exploration
#6
Katalin Csondor, Anita Erőss, Ákos Horváth, Dénes Szieberth
The Molnár János cave is one of the largest hypogenic caves of the Buda Thermal Karst (Budapest, Hungary) and mainly characterized by water-filled passages. The major outflow point of the waters of the cave system is the Boltív spring, which feeds the artificial Malom Lake. Previous radon measurements in the cave system and in the spring established the highest radon concentration (71 BqL(-1)) in the springwater. According to previous studies, the origin of radon was identified as iron-hydroxide containing biofilms, which form where there is mixing of cold and thermal waters, and these biofilms efficiently adsorb radium from the thermal water component...
November 22, 2016: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27886841/management-of-upper-extremity-injury-in-divers
#7
REVIEW
Steven C Haase
Modern competitive diving-especially platform diving-applies dramatic stress to the upper extremity. Some stress occurs during handstand-style takeoffs, but more force is delivered to the hand, wrist, elbow, and shoulder during hands-first entry. Hand positions that minimize the amount of splash result in forceful wrist extension. This repetitive impact can lead to chronic upper extremity pain and acute injuries that require operative intervention. Many divers use taping and bracing to prevent or treat this type of injury, but these are only modestly effective...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27881890/co-management-as-a-catalyst-pathways-to-post-colonial-forestry-in-the-klamath-basin-california
#8
Sibyl Diver
Co-management frameworks are intended to facilitate sustainable resource management and more equitable power sharing between state agencies and Indigenous communities. However, there is significant debate about who benefits from co-management in practice. This article addresses two competing perspectives in the literature, which alternately portrays co-management as an instrument for co-optation or for transformation. Through a case study of co-management negotiations involving the Karuk Tribe and the U.S. Forest Service in the Klamath Basin of Northern California, this study examines how Indigenous communities use co-management to build greater equity in environmental decision-making, despite its limitations...
2016: Human Ecology: An Interdisciplinary Journal
https://www.readbyqxmd.com/read/27879209/generation-of-an-induced-pluripotent-stem-cell-line-from-a-patient-with-chronic-myeloid-leukemia-cml-resistant-to-targeted-therapies
#9
G Telliam, O Féraud, F Griscelli, P Opolon, D Divers, A Bennaceur-Griscelli, A G Turhan
Chronic myeloid leukemia (CML) is a clonal malignancy initiated by the occurrence of a t (9;22) translocation, generating Ph1 chromosome and BCR-ABL oncogene in a primitive hematopoietic stem cell (HSC). The resistance of HSC to targeted therapies using tyrosine kinase inhibitors remains a major obstacle towards the cure. We have generated an iPSC line from a patient with CML using leukemic CD34+ cells cryopreserved at diagnosis. Ph1+ CML cells were reprogrammed by non-integrative viral transduction. These iPSCs harboured Ph1 chromosome and expressed pluripotency hallmarks as well as BCR-ABL...
September 2016: Stem Cell Research
https://www.readbyqxmd.com/read/27871145/meta-omic-analyses-of-baltic-sea-cyanobacteria-diversity-community-structure-and-salt-acclimation
#10
Narin Celepli, John Sundh, Martin Ekman, Chris L Dupont, Shibu Yooseph, Birgitta Bergman, Karolina Ininbergs
Cyanobacteria are important phytoplankton in the Baltic Sea, an estuarine-like environment with pronounced north to south gradient in salinity and nutrient concentrations. Here we present a metagenomic and -transcriptomic survey, with subsequent analyses targeting the genetic identity, phylogenetic diversity, and spatial distribution of Baltic Sea cyanobacteria. The cyanobacterial community constituted close to 12% of the microbial population sampled during a pre-bloom period (June-July 2009). The community was dominated by unicellular picocyanobacteria, specifically a few highly abundant taxa (Synechococcus and Cyanobium) with a long tail of low abundance representatives, and local peaks of bloom-forming heterocystous taxa...
November 21, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27867478/theoretical-considerations-on-the-ultimate-depth-that-could-be-reached-by-saturation-human-divers
#11
Jacques H Abraini, Hélène N David, Nicolas Vallée, Jean-Jacques Risso
The occurrence of paroxysmal narcotic episodes including psychotic-like symptoms in divers participating to experimental deep diving programs with various gas mixtures has constituted, beyond the classical symptoms of the high-pressure neurological syndrome, the major limitation for deep diving. With the development of new saturation deep diving programs and experiments by the eastern nations, such as India and China, we believed that it is of interest to examine what could be the ultimate depth that could be reached by saturation human divers...
April 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27867428/a-class-of-non-linear-exposure-response-models-suitable-for-health-impact-assessment-applicable-to-large-cohort-studies-of-ambient-air-pollution
#12
Masoud M Nasari, Mieczysław Szyszkowicz, Hong Chen, Daniel Crouse, Michelle C Turner, Michael Jerrett, C Arden Pope, Bryan Hubbell, Neal Fann, Aaron Cohen, Susan M Gapstur, W Ryan Diver, David Stieb, Mohammad H Forouzanfar, Sun-Young Kim, Casey Olives, Daniel Krewski, Richard T Burnett
The effectiveness of regulatory actions designed to improve air quality is often assessed by predicting changes in public health resulting from their implementation. Risk of premature mortality from long-term exposure to ambient air pollution is the single most important contributor to such assessments and is estimated from observational studies generally assuming a log-linear, no-threshold association between ambient concentrations and death. There has been only limited assessment of this assumption in part because of a lack of methods to estimate the shape of the exposure-response function in very large study populations...
2016: Air Quality, Atmosphere, & Health
https://www.readbyqxmd.com/read/27862962/effect-of-replacing-race-with-apolipoprotein-l1-genotype-in-calculation-of-kidney-donor-risk-index
#13
B A Julian, R S Gaston, W M Brown, A M Reeves-Daniel, A K Israni, D P Schladt, S O Pastan, S Mohan, B I Freedman, J Divers
Renal allografts from deceased African Americans with two apolipoprotein L1 gene (APOL1) renal-risk variants fail sooner than kidneys from donors with fewer variants. Kidney Donor Risk Index (KDRI) was developed to evaluate organ offers by predicting allograft longevity and includes African American race as a risk factor. Substituting APOL1 genotype for race may refine the KDRI. For 622 deceased African American kidney donors, we applied 10-fold cross-validation approach to estimate contribution of APOL1 variants to a revised KDRI...
November 14, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27854357/development-and-sensing-properties-study-of-underwater-assembled-water-depth-inclination-sensors-for-a-multi-component-mooring-system-using-a-self-contained-technique
#14
Wenhua Wu, Jiaguo Feng, Bin Xie, Da Tang, Qianjin Yue, Ribin Xie
Prototype monitoring techniques play an important role in the safety guarantee of mooring systems in marine engineering. In general, the complexities of harsh ocean environmental conditions bring difficulties to the traditional monitoring methods of application, implementation and maintenance. Large amounts of existing mooring systems still lack valid monitoring strategies. In this paper, an underwater monitoring method which may be used to achieve the mechanical responses of a multi-point catenary mooring system, is present...
November 16, 2016: Sensors
https://www.readbyqxmd.com/read/27837221/femoral-avulsion-fracture-of-acl-proximal-attachment-in-male-scuba-diver-case-report-and-review-of-the-literature
#15
Sebastian Zabierek, Krzysztof Nowak, Marcin Domzalski
Femoral ACL avulsion fractures were not well described in the literature, and there were only several reports describing mostly immature patients. A case of 50-year-old man with ACL femoral attachment avulsion fracture after pivoting knee injury during skiing was presented. The bony attachment was reduced and fixed arthroscopically with screws. Four months after surgery, patient was allowed to return to full sport activity with full range of motion. He was able to perform a one-leg-hop test without limitation, and the strength of quadriceps muscle was comparable to contralateral side...
November 11, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27836203/patient-treatment-and-discharge-factors-associated-with-hospital-readmission-within-30days-after-surgery-for-vulvar-cancer
#16
K M Dorney, W B Growdon, J Clemmer, J A Rauh-Hain, T R Hall, E Diver, D Boruta, M G Del Carmen, A Goodman, J O Schorge, N Horowitz, R M Clark
OBJECTIVES: The majority of hospital readmissions are unexpected and considered adverse events. The goal of this study was to examine the factors associated with unplanned readmission after surgery for vulvar cancer. METHODS: Patient demographic, treatment, and discharge factors were collected on 363 patients with squamous cell carcinoma in situ or invasive cancer who underwent vulvectomy at our institution between January 2001 and June 2014. Clinical variables were correlated using χ(2) test and Student's t-test as appropriate for univariate analysis...
November 8, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27826405/the-effect-of-20-minutes-scuba-diving-on-cognitive-function-of-professional-scuba-divers
#17
Seyedeh Faezeh Pourhashemi, Hedayat Sahraei, Gholam Hossein Meftahi, Boshra Hatef, Bahareh Gholipour
BACKGROUND: Physical activity increases the performance of the nervous system by stimulating the body's metabolism and improving the efficiency of the ATP production system. OBJECTIVES: In the present study, the effect of twenty minutes scuba diving in high depth (10m) on cognitive function and stress system activity was investigated. METHODS: Twelve professional scuba divers with a mean age of 23 ± 1 year, weight of 80 ± 2.5 kg and height of 1...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27822190/response-commentary-correlation-between-patent-foramen-ovale-cerebral-lesions-and-neuropsychometric-testing-in-experienced-sports-divers-does-diving-damage-the-brain
#18
COMMENT
Costantino Balestra, Peter Germonpré
No abstract text is available yet for this article.
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27811906/just-when-you-thought-it-was-safe-to-go-back-in-the-water
#19
Jonathan Coe
Prevalence of dental problems in recreational SCUBA divers: A pilot survey.
November 4, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27811894/prevalence-of-dental-problems-in-recreational-scuba-divers-a-pilot-survey
#20
V Ranna, H Malmstrom, M Yunker, C Feng, S Gajendra
Objective To determine the prevalence of dental symptoms in recreational scuba divers and describe the distribution of these symptoms on the basis of diver demographics, diving qualifications and dive conditions during the episode of dental pain.Design A survey was designed and distributed through online social media platforms dedicated to scuba diving. A convenience sample of 100 recreational divers was obtained by this method.Main outcome measures The outcome measures of interest were: diver demographics, diving characteristics (level of certification, number of dives completed), occurrence of dental problems during a dive, and details of the episode...
November 4, 2016: British Dental Journal
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