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https://read.qxmd.com/read/30743935/sediment-structure-and-physicochemical-changes-following-tidal-inundation-at-a-large-open-coast-managed-realignment-site
#1
Jonathan Dale, Andrew B Cundy, Kate L Spencer, Simon J Carr, Ian W Croudace, Heidi M Burgess, David J Nash
Managed realignment (MR) schemes are being implemented to compensate for the loss of intertidal saltmarsh habitats by breaching flood defences and inundating the formerly defended coastal hinterland. However, studies have shown that MR sites have lower biodiversity than anticipated, which has been linked with anoxia and poor drainage resulting from compaction and the collapse of sediment pore space caused by the site's former terrestrial land use. Despite this proposed link between biodiversity and soil structure, the evolution of the sediment sub-surface following site inundation has rarely been examined, particularly over the early stages of the terrestrial to marine or estuarine transition...
April 10, 2019: Science of the Total Environment
https://read.qxmd.com/read/30739378/dispersal-of-a-nearshore-marine-fish-connects-marine-reserves-and-adjacent-fished-areas-along-an-open-coast
#2
Diana S Baetscher, Eric C Anderson, Elizabeth A Gilbert-Horvath, Daniel P Malone, Emily T Saarman, Mark H Carr, John Carlos Garza
Marine species with pelagic larvae typically exhibit little population structure, suggesting long distance dispersal and high gene flow. Directly quantifying dispersal of marine fishes is challenging but important, particularly for design of marine protected areas (MPAs). Here, we studied kelp rockfish (Sebastes atrovirens) sampled along ~25 km of coastline in a boundary current-dominated ecosystem and used genetic parentage analysis to identify dispersal events and characterize them, since the distance between sedentary parents and their settled offspring is the lifetime dispersal distance...
February 9, 2019: Molecular Ecology
https://read.qxmd.com/read/30702976/high-intensity-intermittent-training-is-as-effective-as-moderate-continuous-training-and-not-deleterious-in-cardiomyocyte-remodeling-of-hypertensive-rats
#3
Amandine Krzesiak, Christian Cognard, Stéphane Sebille, Grégoire Carre, Laurent Bosquet, Nathalie Delpech
Exercise training offers possible non-pharmacological therapy for cardiovascular diseases including hypertension. High intensity intermittent exercise (HIIE) training has been shown to have as much or even more beneficial cardiovascular effect in patients with cardiovascular diseases than moderate intensity continuous exercise (CMIE) training. The aim of this study was to investigate the effects of the two types of training on cardiac remodeling of SHR (spontaneously hypertensive rats) induced by hypertension...
January 31, 2019: Journal of Applied Physiology
https://read.qxmd.com/read/30693744/incidence-and-predictors-of-postoperative-delirium-in-the-older-acute-care-surgery-population-a-prospective-study
#4
Bianka Saravana-Bawan, Lindsey M. Warkentin, Diana Rucker, Frances Carr, Thomas A. Churchill, Rachel G. Khadaroo
Background: Among older inpatients, the highest incidence of delirium is within the surgical population. Limited data are available regarding postoperative delirium risk in the acute care surgical population. The purpose of our study was to establish the incidence of and risk factors for delirium in an older acute care surgery population. Methods: Patients aged 65 years or more who had undergone acute care surgery between April 2014 and September 2015 at 2 university-affiliated hospitals in Alberta were followed prospectively and screened for delirium by means of a validated chart review method...
February 1, 2019: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://read.qxmd.com/read/30640577/asymptomatic-bradycardia-amongst-endurance-athletes
#5
Benoit Doyen, David Matelot, François Carré
It is established that an intensive training results in a lower average resting heart rate. Management of bradycardia in an athlete can be difficult given the underlying mechanisms are not clearly understood. The authors have reviewed the different mechanisms described in the literature, including recent advances in physiology regarding remodeling of ion channels, which may partially explain bradycardia in athletes.
January 14, 2019: Physician and Sportsmedicine
https://read.qxmd.com/read/30612894/incidence-of-major-adverse-cardiac-events-in-men-wishing-to-continue-competitive-sport-following-percutaneous-coronary-intervention
#6
Jean-Michel Guy, Mathew Wilson, Frédéric Schnell, Laurent Chevalier, Jean-Claude Verdier, Sonia Corone, Stéphane Doutreleau, Gaelle Kervio, François Carré
BACKGROUND: The new North American guidelines for participation in competitive sport in patients with coronary artery disease (CAD) are less restrictive than previous guidelines. AIM: To evaluate the incidence of major adverse cardiac events (MACE) in men with CAD who practise intensive physical activity after a stenting procedure. MACE included in-stent restenosis (SR), stent thrombosis (ST), new coronary stenosis (NCS), myocardial infarction, heart failure, cardiac arrest or cardiac death...
January 3, 2019: Archives of Cardiovascular Diseases
https://read.qxmd.com/read/30556191/exposing-the-impact-of-intensive-advice-services-on-health-a-realist-evaluation
#7
Sonia Michelle Dalkin, Natalie Forster, Philip Hodgson, Monique Lhussier, Pete Philipson, Susan Mary Carr
Attention has turned to welfare advice as a potential health and social care intervention. However, establishing direct evidence of health impact has proven difficult. This is compounded by the need to understand both the facilitative contexts and mechanisms through which this impact occurs. This study investigated if, how and in which circumstances an intensive advice service had an impact on stress and well-being (as precursors to health impacts), for clients attending a branch of Citizens Advice, located in the North East of England...
December 17, 2018: Health & Social Care in the Community
https://read.qxmd.com/read/30445313/facial-expressions-of-authenticity-emotion-variability-increases-judgments-of-trustworthiness-and-leadership
#8
Michael L Slepian, Evan W Carr
People automatically generate first impressions from others' faces, even with limited time and information. Most research on social face evaluation focuses on static morphological features that are embedded "in the face" (e.g., overall average of facial features, masculinity/femininity, cues related to positivity/negativity, etc.). Here, we offer the first investigation of how variability in facial emotion affects social evaluations. Participants evaluated targets that, over time, displayed either high-variability or low-variability distributions of positive (happy) and/or negative (angry/fearful/sad) facial expressions, despite the overall averages of those facial features always being the same across conditions...
November 13, 2018: Cognition
https://read.qxmd.com/read/30445068/emotional-and-electrophysiological-measures-correlate-to-flavour-perception-in-the-presence-of-music
#9
Kevin Kantono, Nazimah Hamid, Daniel Shepherd, Yi Hsuan Tiffany Lin, Selma Skiredj, B Thomas Carr
Research into the influence of auditory cues upon food perception has increased in the past decade. Mechanisms evoked to explain crossmodal interactions between the auditory and gustatory senses include attentional, emotional, and affective mediators. In this study, the Temporal Dominance of Sensations (TDS) method was utilised to document the changes in taste and flavour of chocolate gelato while participants listened to music. After each TDS trial, the participants rated their emotions using intensity scales...
November 14, 2018: Physiology & Behavior
https://read.qxmd.com/read/30261030/suicide-and-all-cause-mortality-following-routine-hospital-management-of-self-harm-propensity-score-analysis-using-multicentre-cohort-data
#10
Sarah Steeg, Matthew Carr, Richard Emsley, Keith Hawton, Keith Waters, Harriet Bickley, Jennifer Ness, Galit Geulayov, Nav Kapur
BACKGROUND: Observational studies are suited to examining links between the routine hospital management of self-harm and future suicide and all-cause mortality due to their large scale. However, care must be taken when attempting to infer causal associations in non-experimental settings. METHODS: Data from the Multicentre Study of Self-Harm in England were used to examine associations between four types of hospital management (specialist psychosocial assessment, general hospital admission, psychiatric outpatient referral and psychiatric admission) following self-harm and risks of suicide and all-cause mortality in the subsequent 12 months...
2018: PloS One
https://read.qxmd.com/read/30229560/wideband-myocardial-perfusion-pulse-sequence-for-imaging-patients-with-a-cardiac-implantable-electronic-device
#11
KyungPyo Hong, Jeremy D Collins, Bradley P Knight, James C Carr, Daniel C Lee, Daniel Kim
PURPOSE: To develop a wideband cardiac perfusion pulse sequence and test whether it is capable of suppressing image artifacts in patients with a cardiac implantable electronic device (CIED), while not exceeding the specific absorption rate (SAR) limit (2.0 W/kg). METHODS: A wideband perfusion pulse sequence was developed by incorporating a wideband saturation pulse to achieve a good balance between saturation of magnetization and SAR. Clinical standard and wideband perfusion MRI scans were performed back-to-back in a randomized order on 16 patients with a CIED undergoing clinical cardiac MRI...
September 9, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://read.qxmd.com/read/30190680/intravenous-vitamin-c-for-cancer-therapy-identifying-the-current-gaps-in-our-knowledge
#12
REVIEW
Anitra C Carr, John Cook
The use of intravenous vitamin C (IVC) for cancer therapy has long been an area of intense controversy. Despite this, high dose IVC has been administered for decades by complementary health care practitioners and physicians, with little evidence base resulting in inconsistent clinical practice. In this review we pose a series of questions of relevance to both researchers and clinicians, and also patients themselves, in order to identify current gaps in our knowledge. These questions include: Do oncology patients have compromised vitamin C status? Is intravenous the optimal route of vitamin C administration? Is IVC safe? Does IVC interfere with chemotherapy or radiotherapy? Does IVC decrease the toxic side effects of chemotherapy and improve quality of life? What are the relevant mechanisms of action of IVC? What are the optimal doses, frequency, and duration of IVC therapy? Researchers have made massive strides over the last 20 years and have addressed many of these important aspects, such as the best route for administration, safety, interactions with chemotherapy, quality of life, and potential mechanisms of action...
2018: Frontiers in Physiology
https://read.qxmd.com/read/30017331/single-centre-guidelines-for-radiological-follow-up-based-on-775-patients-treated-by-cytoreductive-surgery-and-hipec-for-appendiceal-pseudomyxoma-peritonei
#13
Kim Govaerts, K Chandrakumaran, Norman J Carr, Thomas D Cecil, Sanjeev Dayal, Faheez Mohamed, Andrew Thrower, Brendan J Moran
AIM: Pseudomyxoma peritonei (PMP) is an uncommon malignancy, generally originating from a ruptured epithelial tumour of the appendix. Despite successful cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC), some patients recur. Currently there are no guidelines on the methods, frequency and intensity of follow-up. METHODS: Between 1994 and 2016, 1070 patients underwent surgery for a perforated epithelial tumour of the appendix, predominantly with PMP...
September 2018: European Journal of Surgical Oncology
https://read.qxmd.com/read/29989087/breastfeeding-self-efficacy-and-breastmilk-feeding-for-moderate-and-late-preterm-infants-in-the-family-integrated-care-trial-a-mixed-methods-protocol
#14
Meredith Brockway, Karen M Benzies, Eloise Carr, Khalid Aziz
Background: Breastmilk is the ideal nutrition for preterm infants. Yet, breastmilk feeding rates among preterm infants are substantially lower than those of full-term infants. Barriers incurred through hospital care practices as well as the physical environment of the neonatal intensive care unit (NICU) can result in physical and emotional separation of infants from their parents, posing a substantial risk to establishing and maintaining breastfeeding. Additionally, current practitioner-focused care provision in the NICU can result in decreased breastfeeding self-efficacy (BSE), which is predictive of breastfeeding rates in mothers of preterm infants at 6 weeks postpartum...
2018: International Breastfeeding Journal
https://read.qxmd.com/read/29967221/gamifying-accelerometer-use-increases-physical-activity-levels-of-sedentary-office-workers
#15
Allene L Gremaud, Lucas J Carr, Jacob E Simmering, Nicholas J Evans, James F Cremer, Alberto M Segre, Linnea A Polgreen, Philip M Polgreen
BACKGROUND: Sedentary work is hazardous. Over 80% of all US jobs are predominantly sedentary, placing full-time office workers at increased risk for cardiovascular and metabolic morbidity and mortality. Thus, there is a critical need for effective workplace physical activity interventions. MapTrek is a mobile health platform that gamifies Fitbit use for the purpose of promoting physical activity. The purpose of this study was to test the efficacy of MapTrek for increasing daily steps and moderate-intensity steps over 10 weeks in a sample of sedentary office workers...
July 2, 2018: Journal of the American Heart Association
https://read.qxmd.com/read/29947888/impact-of-the-driving-pressure-on-mortality-in-obese-and-non-obese-ards-patients-a-retrospective-study-of-362-cases
#16
Audrey De Jong, Jeanne Cossic, Daniel Verzilli, Clément Monet, Julie Carr, Mathieu Conseil, Marion Monnin, Moussa Cisse, Fouad Belafia, Nicolas Molinari, Gérald Chanques, Samir Jaber
PURPOSE: The relation between driving pressure (plateau pressure-positive end-expiratory pressure) and mortality has never been studied in obese ARDS patients. The main objective of this study was to evaluate the relationship between 90-day mortality and driving pressure in an ARDS population ventilated in the intensive care unit (ICU) according to obesity status. METHODS: We conducted a retrospective single-center study of prospectively collected data of all ARDS patients admitted consecutively to a mixed medical-surgical adult ICU from January 2009 to May 2017...
July 2018: Intensive Care Medicine
https://read.qxmd.com/read/29894345/misadventures-of-a-pigtail-case-report-of-accidental-insertion-of-a-chest-tube-into-the-left-atrium-during-interventional-radiology-guided-placement
#17
Seema P Deshpande, Jonathan H Chow, Patrick Odonkor, Bartley Griffith, Shamus R Carr
Chest tube thoracostomy is a commonly performed procedure in the emergency department, operating room, and intensive care unit. We report an extremely rare case of accidental insertion of a chest tube into the left atrium via the right pulmonary vein during an interventional radiology-guided placement of the catheter. To our knowledge, such a case has not been reported to date. The anesthetic and surgical management of this injury are discussed.
June 11, 2018: A&A practice
https://read.qxmd.com/read/29890862/improving-diaper-performance-for-extremely-low-birth-weight-infants
#18
Veronica Sanchez, Michelle Maladen-Percy, Jennifer Gustin, Amy Tally, Roger Gibb, Julie Ogle, Dianna C Kenneally, Andrew N Carr
BACKGROUND: Extremely low-birth-weight (ELBW) infants face significant diapering challenges compared with their full-term peers, due to immature musculature, nervous system, and skin development. Advances in medical care have increased an ELBW infant's rate of survival, which creates a growing need for diapers to better serve these infants. Aim of research. The objective of this study was to identify and confirm the requirements for optimal diaper performance from the neonatal intensive care unit nurses' perspective, as well as to assess in-hospital performance to determine if new features improved key developmental care parameters...
August 2018: Clinical Pediatrics
https://read.qxmd.com/read/29845493/impact-of-two-bond-15-n-15-n-scalar-couplings-on-15-n-transverse-relaxation-measurements-for-arginine-side-chains-of-proteins
#19
Dan Nguyen, Junji Iwahara
NMR relaxation of arginine (Arg) 15 Nε nuclei is useful for studying side-chain dynamics of proteins. In this work, we studied the impact of two geminal 15 N-15 N scalar couplings on measurements of transverse relaxation rates (R 2 ) for Arg side-chain 15 Nε nuclei. For 12 Arg side chains of the DNA-binding domain of the Antp protein, we measured the geminal 15 N-15 N couplings ( 2 J NN ) of the 15 Nε nuclei and found that the magnitudes of the 2 J NN coupling constants were virtually uniform with an average of 1...
May 2018: Journal of Biomolecular NMR
https://read.qxmd.com/read/29812953/critical-care-pain-management-in-patients-affected-by-the-opioid-epidemic-a-review
#20
Kunal Karamchandani, Zyad J Carr, Anthony Bonavia, Avery Tung
The rapid rise in the opioid epidemic has had a deleterious impact across the United States. This increase has drawn the attention of the critical care community not only because of the surge in acute opioid overdose-related admissions, but also due to the increase in the number of opioid-dependent and opioid-tolerant patients being treated in the intensive care unit (ICU). Opioid-related issues relevant to the critical care physician include direct care of patients with opioid overdoses, the provision of sufficient analgesia to patients with opioid dependence and tolerance, and the task of preventing long-term opioid dependence in patients who survive ICU care...
September 2018: Annals of the American Thoracic Society
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