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https://www.readbyqxmd.com/read/29215969/protection-from-wintertime-rainfall-reduces-nutrient-losses-and-greenhouse-gas-emissions-during-the-decomposition-of-poultry-and-horse-manure-based-amendments
#1
Gabriel Maltais-Landry, Katarina Neufeld, David Poon, Nicholas Grant, Zoran Nesic, Sean Smukler
Manure-based soil amendments (herein "amendments") are important fertility sources but differences among amendment types and management can significantly affect their nutrient value and environmental impacts. We conducted a six-month in situ decomposition experiment to determine how protection from wintertime rainfall affected nutrient losses and greenhouse gas (GHG) emissions in poultry (chicken broiler and turkey) and horse amendments. We measured changes in total nutrient concentration - nitrogen (N), phosphorus (P), and potassium (K) - every three months, changes in ammonium (NH4+) and nitrate (NO3-) concentration every month, and GHG emissions of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) every 7-14 days...
December 7, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/29212567/the-quebec-emergency-department-guide-a-cross-sectional-study-to-evaluate-its-use-perceived-usefulness-and-implementation-in-rural-emergency-departments
#2
Richard Fleet, Sandrine Hegg-Deloye, Julie Maltais-Giguère, France Légaré, Mathieu Ouimet, Julien Poitras, Alain Tanguay, Patrick Archambault, Jean-Frédéric Levesque, Geneviève Simard-Racine, Gilles Dupuis
OBJECTIVES: The Quebec Emergency Department Management Guide (QEDMG) is a unique document with 78 recommendations designed to improve the organization of emergency departments (EDs) in the province of Quebec. However, no study has examined how this guide is perceived or used by rural health care management. METHODS: We invited all directors of professional services (DPS), directors of nursing services (DNS), head nurses (HN), and emergency department directors (EDD) working in Quebec's rural hospitals to complete an online survey (144 questions)...
December 7, 2017: CJEM
https://www.readbyqxmd.com/read/29182883/clinical-experience-with-serpina1-dna-sequencing-to-detect-alpha-1-antitrypsin-deficiency
#3
François Maltais, Nathalie Gaudreault, Christine Racine, Sébastien Thériault, Yohan Bossé
No abstract text is available yet for this article.
November 28, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29162536/functional-mitral-regurgitation-imaging-insights-clinical-outcomes-and-surgical-principles
#4
REVIEW
Nozomi Watanabe, Simon Maltais, Shun Nishino, Tara A O'Donoghue, Judy Hung
Functional mitral regurgitation (MR;FMR) is the most common type of MR and its development is associated with increased morbidity and mortality. Leaflet tethering with apical shift of the papillary muscle due to adverse left ventricular remodeling and loss of normal leaflet coaptation is the principal mechanism of FMR. Echocardiography plays a central role in the assessment of the FMR. The development of 3D echocardiography has allowed for assessment of the geometric changes of mitral valve morphology and spatial relationship with the left ventricle that accompanies FMR...
November 18, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29153636/early-intervention-for-lactate-dehydrogenase-elevation-improves-clinical-outcomes-in-patients-with-the-heartmate-ii-left-ventricular-assist-device-insights-from-the-prevent-study
#5
Thenappan Thenappan, John M Stulak, Richa Agarwal, Simon Maltais, Palak Shah, Peter Eckman, Sitaramesh Emani, Jason N Katz, Igor Gregoric, Mary E Keebler, Nir Uriel, Eric Adler, Joyce Chuang, David J Farrar, Kartik S Sundareswaran, Ranjit John
BACKGROUND: Hemolysis, assessed by elevated serum lactate dehydrogenase (LDH), is strongly associated with HeartMate II pump thrombosis (PT). However, it is unknown whether early intervention for elevated LDH circumvents the risk of serious PT requiring pump exchange. We sought to evaluate the relationship between elevated LDH and clinical outcomes, the effectiveness of early medical intervention, and risk factors for elevated LDH. METHODS: We studied 268 patients in the prospective, multicenter PREVENT study who had 2 or more LDH measurements at ≥30 days post-implant...
October 24, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29141856/impact-of-diabetes-mellitus-on-outcomes-in-patients-supported-with-left-ventricular-assist-devices-a-single-institutional-9-year-experience
#6
Rabea Asleh, Alexandros Briasoulis, Sarah D Schettle, Vakhtang Tchantchaleishvili, Naveen L Pereira, Brooks S Edwards, Alfredo L Clavell, Simon Maltais, David L Joyce, Lyle D Joyce, Richard C Daly, Sudhir S Kushwaha, John M Stulak
BACKGROUND: Diabetes mellitus (DM) is a risk factor for morbidity and mortality in patients with heart failure. The effect of DM on post-left ventricular assist device (LVAD) implantation outcomes is unclear. This study sought to investigate whether patients with DM had worse outcomes than patients without DM after LVAD implantation and whether LVAD support resulted in a better control of DM. METHODS AND RESULTS: We retrospectively reviewed 341 consecutive adults who underwent implantation of LVAD from 2007 to 2016...
November 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29105276/quadriceps-muscle-fat-infiltration-is-associated-with-cardiometabolic-risk-in-copd
#7
Isabelle Vivodtzev, Luc Moncharmont, Renaud Tamisier, Jean-Christian Borel, François Arbib, Bernard Wuyam, Patrick Lévy, François Maltais, Gilbert Ferretti, Jean-Louis Pépin
PURPOSE: Losses of peripheral muscle mass and ectopic fat accumulation have been associated with cardiometabolic morbidity in COPD. We aimed at identifying the relationship between quadriceps muscle fat infiltration and cardiovascular risk. MATERIALS AND METHODS: From 2009 to 2014, 78 COPD patients (64 ± 8 years; 80% male) were prospectively included after having given written consent (ethical committee approval number: 2006-A00491-50). The cohort was divided into three groups (tertiles) according to body mass index (BMI), low [15 < BMI≤23·3], middle [23·3 < BMI≤27·6] and high [27·6 < BMI≤36] kg/m²)...
November 3, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29095733/left-lateral-thoracotomy-for-centrifugal-continuous-flow-left-ventricular-assist-device-placement-an-analysis-from-the-mechanical-circulatory-support-research-network
#8
Simon Maltais, Lucman A Anwer, Vakhtang Tchantchaleishvili, Nicholas A Haglund, Shannon M Dunlay, Keith D Aaronson, Francis D Pagani, Jennifer Cowger, Christopher T Salerno, Palak Shah, Zain Khalpey, Jan Schmitto, John M Stulak
Continuous-flow left ventricular assist devices (CF-LVADs) have revolutionized the management of patients with advanced heart failure. Alternative implant strategies are increasingly used for device placement. We reviewed our experience from the Mechanical Circulatory Support Research Network registry with the HeartWare centrifugal CF-LVAD (HVAD). From May 2004 to August 2015, 1,150 patients underwent primary CF-LVAD implantation at our institutions. Within this group, a total of 283 patients (25%) were implanted with the HVAD...
October 31, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29045277/determinants-of-improvement-in-cardiopulmonary-exercise-testing-after-left-ventricular-assist-device-implantation
#9
Andrew N Rosenbaum, Shannon M Dunlay, Naveen L Pereira, Thomas G Allison, Simon Maltais, John M Stulak, Lyle D Joyce, Sudhir S Kushwaha
Although improvement in cardiac output and hemodynamic parameters is routinely demonstrated in patients implanted with continuous-flow left ventricular assist devices (CF-LVADs), improvement in exercise capacity is inconsistently seen. Our purpose was to determine whether native cardiac factors, LVAD factors, or comorbid factors were associated with lack of improvement. Review of all patients undergoing preimplant cardiopulmonary exercise testing (CPET) and CPET on LVAD therapy at one institution was performed between 2007 and 2014 (n = 49)...
October 18, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28986039/reoperation-rate-for-recurrent-mitral-disease-is-low-after-robotically-assisted-mitral-valve-repair
#10
Amit Taggarse, Joseph A Dearani, Richard C Daly, Lucman A Anwer, Wooseok Choi, Hector I Michelena, William J Mauermann, Simon Maltais
No abstract text is available yet for this article.
September 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28978543/differential-impact-of-the-cheese-matrix-on-the-postprandial-lipid-response-a-randomized-crossover-controlled-trial
#11
Jean-Philippe Drouin-Chartier, André J Tremblay, Julie Maltais-Giguère, Amélie Charest, Léa Guinot, Laurie-Eve Rioux, Steve Labrie, Michel Britten, Benoît Lamarche, Sylvie L Turgeon, Patrick Couture
Background: In a simulated gastrointestinal environment, the cheese matrix modulates dairy fat digestion. However, to our knowledge, the impact of the cheese matrix on postprandial lipemia in humans has not yet been evaluated.Objective: In healthy subjects, we compared the impact of dairy fat provided from firm cheese, soft cream cheese, and butter on the postprandial response at 4 h and on the incremental area under the curve (iAUC) of plasma triglycerides.Design: Forty-three healthy subjects were recruited to this randomized, crossover, controlled trial...
December 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28967621/successful-minimally-invasive-mitral-valve-replacement-using-normothermic-fibrillatory-arrest-in-a-patient-with-cold-urticaria
#12
James A Nelson, Simon Maltais, Jonathan J Fox, John B Hagan, Kari L Rossow, William J Mauermann
No abstract text is available yet for this article.
May 3, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28906273/utilization-and-outcomes-of-temporary-mechanical-circulatory-support-for-graft-dysfunction-after-heart-transplantation
#13
Kevin Phan, Jessica G Y Luc, Joshua Xu, Simon Maltais, John M Stulak, Tristan D Yan, Vakhtang Tchantchaleishvili
Graft dysfunction is the main cause of early mortality after heart transplantation. In cases of severe graft dysfunction, temporary mechanical circulatory support (TMCS) may be necessary. The aim of this systematic review was to examine the utilization and outcomes of TMCS in patients with graft dysfunction after heart transplantation. Electronic search was performed to identify all studies in the English literature assessing the use of TMCS for graft dysfunction. All identified articles were systematically assessed for inclusion and exclusion criteria...
November 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28888521/impact-of-center-left-ventricular-assist%C3%A2-device-volume-on-outcomes%C3%A2-after%C3%A2-implantation-an-intermacs-analysis
#14
Jennifer A Cowger, John M Stulak, Palak Shah, Todd F Dardas, Francis D Pagani, Shannon M Dunlay, Simon Maltais, Keith D Aaronson, Ramesh Singh, Nahush A Mokadam, James K Kirklin, Christopher T Salerno
OBJECTIVES: This study examined patient outcomes after left ventricular assist device (LVAD) implantation across a range of center surgical volumes. BACKGROUND: In order for a center to qualify for reimbursement, Centers for Medicare and Medicaid Services (CMS) requires it to implant ≥10 LVADs or total artificial hearts over a 3-year period. The impact of center LVAD surgical volumes on patient outcomes has not been thoroughly scrutinized. METHODS: Center volumes were provided for 7,416 patients undergoing LVAD implantation who were enrolled in INTERMACS (Interagency Registry for Mechanically Assisted Circulatory Support)...
October 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28858570/gold-2017-classification-and-lung-function-decline-in-chronic-obstructive-pulmonary-disease
#15
Wan C Tan, Jean Bourbeau, Shawn D Aaron, Guohai Zhou, Francois Maltais, Paul Hernandez, J Mark Fitzgerald, Darcy D Marciniuk, Brandie L Walker, Don D Sin
No abstract text is available yet for this article.
August 31, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28815583/educational-and-rehabilitation-service-utilization-in-adolescents-born-preterm-or-with-a-congenital-heart-defect-and-at-high-risk-for-disability
#16
Annette Majnemer, Noemi Dahan-Oliel, Charles Rohlicek, Sean Hatzigeorgiou, Barbara Mazer, Desiree B Maltais, Norbert Schmitz
AIM: This historical cohort study describes the use of educational and rehabilitation services in adolescents born preterm or with a congenital heart defect (CHD). METHOD: Parents of 76 young people (mean age 15y 8mo [SD 1y 8mo]) with CHD and 125 born ≤29 weeks gestational age (mean age 16y [SD 2y 5mo]) completed a demographics questionnaire including educational and rehabilitation resource utilization within the previous 6 months. Rehabilitation services included occupational therapy, physical therapy, speech language pathology, psychology...
October 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28800957/insight-into-the-mode-of-action-and-selectivity-of-pbrm-a-covalent-steroidal-inhibitor-of-17%C3%AE-hydroxysteroid-dehydrogenase-type-1
#17
Alexandre Trottier, René Maltais, Diana Ayan, Xavier Barbeau, Jenny Roy, Martin Perreault, Richard Poulin, Patrick Lagüe, Donald Poirier
17β-Hydroxysteroid dehydrogenase type 1 (17β-HSD1) is involved in the biosynthesis of estradiol, the major bioactive endogenous estrogen in mammals, and constitutes an interesting therapeutic target for estrogen-dependent diseases. A steroidal derivative, 3-{[(16β,17β)-3-(2-bromoethyl)-17-hydroxyestra-1,3,5(10)-trien-16-yl]methyl} benzamide (PBRM), has recently been described as a non-estrogenic, irreversible inhibitor of 17β-HSD1. However, the mode of action of this inhibitor and its selectivity profile have not yet been elucidated...
November 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28774199/physical-activity-patterns-and-clusters-in-1001-patients-with-copd
#18
Rafael Mesquita, Gabriele Spina, Fabio Pitta, David Donaire-Gonzalez, Brenda M Deering, Mehul S Patel, Katy E Mitchell, Jennifer Alison, Arnoldus Jr van Gestel, Stefanie Zogg, Philippe Gagnon, Beatriz Abascal-Bolado, Barbara Vagaggini, Judith Garcia-Aymerich, Sue C Jenkins, Elisabeth Apm Romme, Samantha Sc Kon, Paul S Albert, Benjamin Waschki, Dinesh Shrikrishna, Sally J Singh, Nicholas S Hopkinson, David Miedinger, Roberto P Benzo, François Maltais, Pierluigi Paggiaro, Zoe J McKeough, Michael I Polkey, Kylie Hill, William D-C Man, Christian F Clarenbach, Nidia A Hernandes, Daniela Savi, Sally Wootton, Karina C Furlanetto, Li W Cindy Ng, Anouk W Vaes, Christine Jenkins, Peter R Eastwood, Diana Jarreta, Anne Kirsten, Dina Brooks, David R Hillman, Thaís Sant'Anna, Kenneth Meijer, Selina Dürr, Erica Pa Rutten, Malcolm Kohler, Vanessa S Probst, Ruth Tal-Singer, Esther Garcia Gil, Albertus C den Brinker, Jörg D Leuppi, Peter Ma Calverley, Frank Wjm Smeenk, Richard W Costello, Marco Gramm, Roger Goldstein, Miriam Tj Groenen, Helgo Magnussen, Emiel Fm Wouters, Richard L ZuWallack, Oliver Amft, Henrik Watz, Martijn A Spruit
We described physical activity measures and hourly patterns in patients with chronic obstructive pulmonary disease (COPD) after stratification for generic and COPD-specific characteristics and, based on multiple physical activity measures, we identified clusters of patients. In total, 1001 patients with COPD (65% men; age, 67 years; forced expiratory volume in the first second [FEV1], 49% predicted) were studied cross-sectionally. Demographics, anthropometrics, lung function and clinical data were assessed...
August 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/28757150/temporal-differences-in-outcomes-during-long-term-mechanical-circulatory-support
#19
Simon Maltais, Lucman A Anwer, Nicholas A Haglund, Jennifer Cowger, Palak Shah, Keith D Aaronson, Francis D Pagani, Shannon M Dunlay, Ramesh Singh, Christopher T Salerno, John M Stulak
BACKGROUND: Device indications have changed for placement of continuous-flow left ventricular assist devices (CF-LVADs). We performed a multicenter analysis evaluating temporal variations in outcomes after CF-LVAD implantation. METHODS & RESULTS: We retrospectively defined three time intervals to reflect changes in CF-LVAD technology (Period 1: 2004 to 2009; Period 2: 2010 to 2012; and Period 3: 2012 to 2014). A total of 1,064 patients (HeartMate II (HMII)=835, HeartWare (HVAD)=229) underwent CF-LVAD implantation between May 2004 and October 2014...
July 27, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28703038/rehabilitation-interventions-to-modify-endocrine-metabolic-disease-risk-in-individuals-with-chronic-spinal-cord-injury-living-in-the-community-riisc-a-systematic-review-and-scoping-perspective
#20
Jenna C Gibbs, Dany H Gagnon, Austin J Bergquist, Jasmine Arel, Tomas Cervinka, Rasha El-Kotob, Désirée B Maltais, Dalton L Wolfe, B Catharine Craven
Context Endocrine-metabolic disease (EMD) risk following spinal cord injury (SCI) is associated with significant multi-morbidity (i.e. fracture, diabetes, heart disease), mortality, and economic burden. It is unclear to what extent rehabilitation interventions can modify EMD risk and improve health status in community-dwelling adults with chronic SCI. Objectives To characterize rehabilitation interventions and summarize evidence on their efficacy/effectiveness to modify precursors to EMD risk in community-dwelling adults with chronic SCI...
July 13, 2017: Journal of Spinal Cord Medicine
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