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https://www.readbyqxmd.com/read/28816526/echocardiographic-assessment-of-right-ventricle-dimensions-and-function-after-exposure-to-extreme-altitude-is-an-expedition-to-8000%C3%A2-m-hazardous-for-right-ventricular-function
#1
Marta Kurdziel, Jarosław Wasilewski, Karolina Gierszewska, Anna Kazik, Gracjan Pytel, Jacek Wacławski, Adam Krajewski, Anna Kurek, Lech Poloński, Mariusz Gąsior
Kurdziel, Marta, Jarosław Wasilewski, Karolina Gierszewska, Anna Kazik, Gracjan Pytel, Jacek Wacławski, Adam Krajewski, Anna Kurek, Lech Poloński, and Mariusz Gąsior. Echocardiographic assessment of right ventricle dimensions and function after exposure to extreme altitude: Is an expedition to 8000 m hazardous for right ventricular function? High Alt Med Biol 00:000-000, 2017.-Although the right ventricle (RV) is under great hypoxic stress at altitude, still little is known what happens to the RV after descent...
August 17, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28815643/early-intervention-with-non-ablative-fractional-laser-to-improve-cutaneous-scarring-a-randomized-controlled-trial-on-the-impact-of-intervention-time-and-fluence-levels
#2
Katrine E Karmisholt, Emily Wenande, Daniel Thaysen-Petersen, Peter A Philipsen, Uwe Paasch, Merete Haedersdal
BACKGROUND AND OBJECTIVES: Laser treatment in the early phases of wound healing may reduce scar formation. However, little is known on when in the early wound healing phases laser exposure most optimally should be provided and at which fluence levels. This study investigates the clinical effect of non-ablative-fractional-laser (NAFL) performed at three early time points at a range of fluence levels versus untreated control scars. MATERIALS AND METHODS: A randomized, controlled, intra-individual trial with erbium-glass 1,540 nm NAFL versus no laser treatment on sixteen subjects receiving 10 standardized full-thickness punch-biopsy wounds...
August 16, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28815459/a-roadmap-for-reducing-cardiac-device-infections-a-review-of-epidemiology-pathogenesis-and-actionable-risk-factors-to-guide-the-development-of-an-infection-prevention-program-for-the-electrophysiology-laboratory
#3
REVIEW
Westyn Branch-Elliman
PURPOSE OF REVIEW: Cardiovascular implantable electronic device (CIED) infections are highly morbid, common, and costly, and rates are increasing (Sohail et al. Arch Intern Med 171(20):1821-8 2011; Voigt et al. J Am Coll Cardiol 48(3):590-1 2006). Factors that contribute to the development of CIED infections include patient factors (comorbid conditions, self-care, microbiome), procedural details (repeat procedure, contamination during procedure, appropriate pre-procedural prep, and antimicrobial use), environmental and organizational factors (patient safety culture, facility barriers, such as lack of space to store essential supplies, quality of environmental cleaning), and microbial factors (type of organism, virulence of organism)...
August 16, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28814394/dynamics-of-intrapericardial-and-extrapericardial-fat-tissues-during-long-term-dietary-induced-moderate-weight-loss
#4
Gal Tsaban, Arik Wolak, Hila Avni-Hassid, Yftach Gepner, Ilan Shelef, Yaakov Henkin, Dan Schwarzfuchs, Noa Cohen, Nitzan Bril, Michal Rein, Dana Serfaty, Shira Kenigsbuch, Lilac Tene, Hila Zelicha, Anat Yaskolka-Meir, Oded Komy, Avital Bilitzky, Yoash Chassidim, Uta Ceglarek, Michael Stumvoll, Matthias Blüher, Joachim Thiery, Dror Dicker, Assaf Rudich, Meir J Stampfer, Iris Shai
Background: In view of evidence linking pericardial fat accumulation with increased cardiovascular disease risk, strategies to reduce its burden are needed. Data comparing the effects of specific long-term dietary interventions on pericardial fat tissue mobilization are sparse.Objective: We sought to evaluate intrapericardial-fat (IPF) and extrapericardial-fat (EPF) changes during weight-loss interventions by different dietary regimens.Design: During 18 mo of a randomized controlled trial, we compared a Mediterranean/low-carbohydrate (MED/LC) diet plus 28 g walnuts/d with a calorically equal low-fat (LF) diet among randomly assigned participants with moderate abdominal obesity...
August 16, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28814245/benefits-of-sglt2-inhibitors-beyond-glycemic-control-a-focus-on-metabolic-cardiovascular-and-renal-outcomes
#5
Molly G Minze, Kayley Will, Brian T Terrell, Robin L Black, Brian K Irons
BACKGROUND: Sodium-glucose co-transporter 2 (SGLT2) inhibitors are a new pharmacotherapeutic class for the treatment of type 2 diabetes mellitus (T2DM). OBJECTIVE: To evaluate beneficial effects of the SGLT2 inhibitors on metabolic, cardiovascular, and renal outcomes. METHODS: A Pub-Med search (1966 to July 2017) was performed of published English articles using keywords sodium-glucose co-transporter 2 inhibitors, canagliflozin, dapagliflozin, and empagliflozin...
August 16, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28813463/genetic-diversity-of-bemisia-tabaci-species-colonizing-cassava-in-central-african-republic-characterized-by-analysis-of-cytochrome-c-oxidase-subunit-i
#6
Brice Kette Tocko-Marabena, Semballa Silla, Christophe Simiand, Innocent Zinga, James Legg, Bernard Reynaud, Helene Delatte
After 2007, upsurges of whiteflies on cassava plants and high incidences of cassava diseases were observed in Central African Republic. This recent upsurge in the abundance of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) was directly linked to serious damage to cassava crops resulting from spread of whitefly-borne cassava mosaic geminiviruses (CMGs). There is currently very little information describing whitefly populations on cassava and associated crops in Central African Republic. The current study aimed to address this gap, and to determine whether the increasing damage associated with B...
2017: PloS One
https://www.readbyqxmd.com/read/28813079/diffusion-tensor-imaging-of-brain-white-matter-in-huntington-gene-mutation-individuals
#7
Roberta Arb Saba, James H Yared, Thomas M Doring, Med Phys, Vanderci Borges, Henrique Ballalai Ferraz
Objective: To evaluate the role of the involvement of white matter tracts in huntingtin gene mutation patients as a potential biomarker of the progression of the disease. Methods: We evaluated 34 participants (11 symptomatic huntingtin gene mutation, 12 presymptomatic huntingtin gene mutation, and 11 controls). We performed brain magnetic resonance imaging to assess white matter integrity using diffusion tensor imaging, with measurement of fractional anisotropy...
August 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28812315/metabolite-cycled-steam-and-semi-laser-localization-for-mr-spectroscopy-of-the-human-brain-at-9-4t
#8
Ioannis-Angelos Giapitzakis, Tingting Shao, Nikolai Avdievich, Ralf Mekle, Roland Kreis, Anke Henning
PURPOSE: Metabolite cycling (MC) is an MRS technique for the simultaneous acquisition of water and metabolite spectra that avoids chemical exchange saturation transfer effects and for which water may serve as a reference signal or contain additional information in functional or diffusion studies. Here, MC was developed for human investigations at ultrahigh field. METHODS: MC-STEAM and MC-semi-LASER are introduced at 9.4T with an optimized inversion pulse and elaborate coil setup...
August 15, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28812309/murine-pulmonary-imaging-at-7t-t2-and-t1-with-anisotropic-ute
#9
Jinbang Guo, Xuefeng Cao, Zackary I Cleveland, Jason C Woods
PURPOSE: To measure the T2* and T1 of mouse lung at 7T via anisotropic-resolution radial ultrashort echo-time imaging with ellipsoidal k-space coverage. METHODS: Ellipsoidal field-of-view was created by expanding uniform spherical k-space coverage. The effects of T2* and ellipsoidal sampling on image resolution were investigated by using point-spread-function analysis and resolution phantoms. Finally, this ellipsoidal sampling approach was used to measure the lung T2* and T1 of healthy C57BL/6 mice at the increasingly common preclinical field strength of 7T...
August 15, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28811065/corrigendum-to-could-linear-hysteresis-contribute-to-shear-wave-losses-in-tissues-ultrasound-med-biol-41-2015-1100-1104
#10
Kevin J Parker
No abstract text is available yet for this article.
August 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28807505/delayed-ejaculation-and-associated-complaints-relationship-to-ejaculation-times-and-serum-testosterone-levels
#11
Abraham Morgentaler, Paula Polzer, Stanley Althof, Alexander Bolyakov, Craig Donatucci, Xiao Ni, Ankur B Patel, Shehzad Basaria
BACKGROUND: Although delayed ejaculation (DE) is typically characterized as a persistently longer than anticipated or desired time to ejaculation (or orgasm) during sexual activity, a timing-based definition of DE and its association with serum testosterone has not been established in a large cohort. AIM: To examine in an observational study estimated intravaginal ejaculatory latency time (IELT) and masturbatory ejaculation latency time (MELT) in men self-reporting DE, assess the association of IELT and MELT with serum testosterone levels, and determine whether correlation with demographic and sexual parameters exist...
August 11, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28807080/a-descriptive-analysis-of-traction-splint-utilization-and-iv-analgesia-by-emergency-medical-services
#12
Joshua Nackenson, Amado A Baez, Jonathan P Meizoso
Study Objectives Traction splinting has been the prehospital treatment of midshaft femur fracture as early as the battlefield of the First World War (1914-1918). This study is the assessment of these injuries and the utilization of a traction splint (TS) in blunt and penetrating trauma, as well as intravenous (IV) analgesia utilization by Emergency Medical Services (EMS) in Miami, Florida (USA). METHODS: This is a retrospective study of patients who sustained a midshaft femur fracture in the absence of multiple other severe injuries or severe physiologic derangement, as defined by an injury severity score (ISS) <20 and a triage revised trauma score (T-RTS)≥10, who presented to an urban, Level 1 trauma center between September 2008 and September 2013...
August 15, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28807073/a-comparison-of-paramedic-first-pass-endotracheal-intubation-success-rate-of-the-vividtrac-vt-a-100-glidescope-ranger-and-direct-laryngoscopy-under-simulated-prehospital-cervical-spinal-immobilization-conditions-in-a-cadaveric-model
#13
Ryan Hodnick, Tony Zitek, Kellen Galster, Stephen Johnson, Bryan Bledsoe, Daniel Ebbs
OBJECTIVE: The primary goal of this study was to compare paramedic first pass success rate between two different video laryngoscopes and direct laryngoscopy (DL) under simulated prehospital conditions in a cadaveric model. METHODS: This was a non-randomized, group-controlled trial in which five non-embalmed, non-frozen cadavers were intubated under prehospital spinal immobilization conditions using DL and with both the GlideScope Ranger (GL; Verathon Inc, Bothell, Washington USA) and the VividTrac VT-A100 (VT; Vivid Medical, Palo Alto, California USA)...
August 15, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28807071/single-rescuer-ventilation-using-a-bag-valve-mask-with-removable-external-handle-a-randomized-crossover-trial
#14
Paul Reed, Baruch Zobrist, Monica Casmaer, Steven G Schauer, Nurani Kester, Michael D April
Introduction Ventilation with a bag valve mask (BVM) is a challenging but critical skill for airway management in the prehospital setting. Hypothesis Tidal volumes received during single rescuer ventilation with a modified BVM with supplemental external handle will be higher than those delivered using a standard BVM among health care volunteers in a manikin model. METHODS: This study was a randomized crossover trial of adult health care providers performing ventilation on a manikin. Investigators randomized participants to perform single rescuer ventilation, first using either a BVM modified by addition of a supplemental external handle or a standard unmodified BVM (Spur II BVM device; Ambu; Ballerup, Denmark)...
August 15, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28805911/effects-of-post-weaning-growth-rate-and-puberty-induction-protocol-on-reproductive-performance-of-bos-indicus-influenced-beef-heifers
#15
P Moriel, P Lancaster, G C Lamb, J M B Vendramini, J D Arthington
A 3-yr study evaluated the effectiveness of puberty induction using exogenous reproductive hormones in beef heifers undergoing different post-weaning growth rates. On d 0 of each year, grazing Angus × Brahman heifers (60 heifers/yr) were stratified by initial BW and age (BW = 253 ± 30 kg; age = 310 ± 18 d), and randomly assigned, in a 3 × 2 factorial design, to achieve a low (LOW; 0.45 kg/d), medium (MED; 0.73 kg/d), or high (HIGH; 1.00 kg/d) growth rate from d 0 to 168 (5 heifers/pasture; 4 pastures/growth rate/yr)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805887/characterizing-ammonia-emissions-from-horses-fed-different-crude-protein-concentrations
#16
J Weir, H Li, L K Warren, E Macon, C Wickens
Evaluating impact of animal agriculture on air quality has been the focus of recent research. Ammonia (NH) volatilization occurs when undigested protein in feces and urea in urine is broken down by bacteria and enzymes. Information regarding NH emission from equine facilities is limited, and effects of CP intake on NH emissions have not been investigated. Nine mature geldings were used in a 3 × 3 replicated Latin square design study to determine effects of dietary CP on potential NH losses from feces and urine...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28804918/low-rank-approximation-methods-for-mr-fingerprinting-with-large-scale-dictionaries
#17
Mingrui Yang, Dan Ma, Yun Jiang, Jesse Hamilton, Nicole Seiberlich, Mark A Griswold, Debra McGivney
PURPOSE: This work proposes new low rank approximation approaches with significant memory savings for large scale MR fingerprinting (MRF) problems. THEORY AND METHODS: We introduce a compressed MRF with randomized singular value decomposition method to significantly reduce the memory requirement for calculating a low rank approximation of large sized MRF dictionaries. We further relax this requirement by exploiting the structures of MRF dictionaries in the randomized singular value decomposition space and fitting them to low-degree polynomials to generate high resolution MRF parameter maps...
August 13, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28803583/cross-sectional-survey-of-long-term-care-facilities-in-the-rockaway-peninsula-preparedness-and-response-during-hurricane-sandy
#18
Lynn Jiang, Christopher Tedeschi, Saleena Subaiya
BACKGROUND: Few studies have described the challenges experienced by long-term care facilities (LTCFs) following Hurricane Sandy. This study examined LTCF preparedness and experiences during and after the storm. METHODS: A cross-sectional survey was conducted 2 years after Hurricane Sandy to assess LTCF demographics, preparation, and post-storm resources. Surveys were conducted at LTCFs located on the Rockaway Peninsula of New York City. All LTCFs located in a heavily affected area were approached...
August 14, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28803582/recovery-of-surgical-equipment-sterile-processing-during-a-floodwater-boil-advisory
#19
Stephen Shelton, Jay Hamm, Bankole Olatosi, R Ory Johnson
Excessive rainfall and dam failures resulted in floodwater contaminating our public water supply. The endotoxin risk in the contaminated water created challenges in recovery of sterile processing for our surgical equipment. Recovery plans should include a potable water source and a method to connect it to the required location. We share our solution of plumbing our sterile processing equipment to tanker-transported potable water sources. (Disaster Med Public Health Preparedness. 2017;page 1 of 4).
August 14, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28803001/continuation-of-comprehensive-quality-control-of-the-itg-68-ge-68-ga-generator-and-production-of-68-ga-dotatoc-and-68-ga-psma-hbed-cc-for-clinical-research-studies
#20
Alejandro Amor-Coarasa, James M Kelly, Monika Gruca, Anastasia Nikolopoulou, Shankar Vallabhajosula, John W Babich
Performance of a second itG (68)Ge/(68)Ga generator system and production of (68)Ga-DOTATOC and (68)Ga-PSMA-HBED-CC were tested over one year as an accompaniment to a previously published study (J Nucl Med. 2016;57:1402-1405). METHODS: Performance of a 1951MBq (68)Ge/(68)Ga generator was characterized and the eluate used for preparation of (68)Ga-DOTATOC and (68)Ga-PSMA-HBED-CC. Weekly elution profiles of (68)Ga elution yield and (68)Ge breakthrough were determined. RESULTS: (68)Ga elution yields averaged 82% (61...
July 14, 2017: Nuclear Medicine and Biology
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