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Noppawan Charususin, Rik Gosselink, Marc Decramer, Heleen Demeyer, Alison McConnell, Didier Saey, François Maltais, Eric Derom, Stefanie Vermeersch, Yvonne F Heijdra, Hanneke van Helvoort, Linda Garms, Tessa Schneeberger, Klaus Kenn, Rainer Gloeckl, Daniel Langer
BACKGROUND: This study aimed to investigate whether adjunctive inspiratory muscle training (IMT) can enhance the well-established benefits of pulmonary rehabilitation (PR) in patients with COPD. METHODS: 219 patients with COPD (FEV1 : 42%±16% predicted) with inspiratory muscle weakness (PImax: 51±15 cm H2 O) were randomised into an intervention group (IMT+PR; n=110) or a control group (Sham-IMT+PR; n=109) in this double-blind, multicentre randomised controlled trial between February 2012 and October 2016 (ClinicalTrials...
June 18, 2018: Thorax
Thomas G Poder, Serge Maltais
OBJECTIVE: Medication administration omission errors (MAOEs) occur frequently in hospitals and can significantly affect patient health. An interdisciplinary committee was formed in summer 2012 to analyse incident/accident reports (AH-223-1 forms) of MAOEs for the 2011-2012 fiscal year in order to identify contributing factors and to propose preventive solutions. Special attention was paid to events with consequences for patients. METHOD: An aggregate data analysis involving four major steps was conducted: sampling, categorisation, identification of contributing factors, and seeking preventive solutions...
January 1, 2018: Health Information Management: Journal of the Health Information Management Association of Australia
Kantha R Kolla, Simon Maltais, Naveen L Pereira, Hari P Chaliki
Microbubble formation occurs due to the cavitation phenomenon. We report a rare echocardiographic finding of microbubbles in a patient's aorta and left ventricle due to pump thrombosis in the left ventricle assist device, requiring pump exchange surgery.
April 11, 2018: Curēus
Marie-Eve Poitras, Marie-Eve Maltais, Louisa Bestard-Denommé, Moira Stewart, Martin Fortin
BACKGROUND: Interventions to improve patient-centered care for persons with multimorbidity are in constant growth. To date, the emphasis has been on two separate kinds of interventions, those based on a patient-centered care approach with persons with chronic disease and the other ones created specifically for persons with multimorbidity. Their effectiveness in primary healthcare is well documented. Currently, none of these interventions have synthesized a patient-centered care approach for care for multimorbidity...
June 14, 2018: BMC Health Services Research
Rabea Asleh, Tal Hasin, Alexandros Briasoulis, Sarah D Schettle, Barry A Borlaug, Atta Behfar, Naveen L Pereira, Brooks S Edwards, Alfredo L Clavell, Lyle D Joyce, Simon Maltais, John M Stulak, Sudhir S Kushwaha
OBJECTIVE: To investigate differences in invasive hemodynamic parameters and outcomes in patients with and without heart failure (HF) symptoms after left ventricular assist device (LVAD) implantation. PATIENTS AND METHODS: We performed a single-center retrospective analysis of 51 symptomatic patients and 50 patients with resolved HF symptoms who underwent right-sided heart catheterization (RHC) after LVAD implantation from March 1, 2007, through June 30, 2016. Patient characteristics and outcomes including all-cause mortality and right ventricular (RV) failure were compared between groups...
June 8, 2018: Mayo Clinic Proceedings
Sophie Blanchet, Samy Chikhi, Désirée Maltais
Aging is associated with a decreased efficiency of different cognitive functions as well as in the perceptive, physical and physiological changes. The age-related cognitive decline concerns mainly attention, executive control and episodic memory. Some factors such as being physically active protect against the age-related decline. This review will discuss how physical activity can positively affect the cognitive efficiency and mental health of older healthy individuals, and possibly reduces the risk of progression into dementia, and depression...
June 1, 2018: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
Mathieu Maltais, Yves Rolland, Paul-Emile Haÿ, Didier Armaingaud, Bruno Vellas, Philipe de Souto Barreto
BACKGROUND: Studies have demonstrated changes in activities of daily living after an exercise intervention in people with dementia (PWD) living in nursing homes (NH). However, some discrepancies are shown during follow-up. AIMS: Our objective was to measure activities of daily living (ADL) performance during a 6-month observational follow-up after a 6-month exercise or social activity intervention in PWD living in NH. METHODS: After cluster randomisation, 91 PWD living in NH performed a 6-month structured exercise intervention (n = 44) or a social activity intervention (n = 47)...
June 7, 2018: Aging Clinical and Experimental Research
Jessica G Y Luc, Vakhtang Tchantchaleishvili, Kevin Phan, Shannon M Dunlay, Simon Maltais, John M Stulak
Pump thrombosis is a major adverse event in patients supported on left ventricular assist devices (LVAD). The aim of this systematic review and meta-analysis was to determine the outcomes of various treatment approaches for pump thrombosis, including surgical or medical therapy. Electronic search was performed to identify all studies in the English literature addressing surgical and medical management of pump thrombosis in the modern LVAD era. All identified articles were systematically assessed for inclusion and exclusion criteria...
May 23, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Pierre Olivier Dionne, Mackram F Eleid, Hartzell V Schaff, Simon Maltais
No abstract text is available yet for this article.
April 7, 2018: Journal of Thoracic and Cardiovascular Surgery
Oscar Labra, Danielle Maltais, Gabriel Gingras-Lacroix
The article aims to describe the medium-term impacts of a major earthquake event (Chile, February 27, 2010) on 26 seniors. The authors adopted a qualitative study approach. Data obtained using the Impact of Event Scale-Revised (IES-R) show the presence of manifestations of posttraumatic stress in the majority of respondents. In addition, data collected in interviews demonstrated a progressive deterioration of the health of respondents over a period of 4 years following the disaster. Seniors are particularly vulnerable to the effects of material loss, emotional stress, and postdisaster health complications...
January 2018: Inquiry: a Journal of Medical Care Organization, Provision and Financing
Louis-Philippe Boulet, Marie-Ève Boulay, Jude-Lyne Dérival, Joanne Milot, Johane Lepage, Lara Bilodeau, François Maltais
The development of COPD features, such as an incomplete reversibility of airway obstruction (IRAO), in smoking or non-smoking asthmatic patients, a condition often named Asthma-COPD Overlap (ACO), has been recognized for decades. However, there is a need to know more about the sub-phenotypes of this condition according to smoking. This study aimed at comparing the clinical, physiological and inflammatory features of smoking and non-smoking asthmatic patients exhibiting IRAO. In this cross-sectional study, patients with an IRAO with (ACO, ≥20 pack-years) or without (NS-IRAO, <5 pack-years) significant smoking history completed questionnaires about asthma control (ACQ, score 0-6, 6 = better score) and quality of life (AQLQ, score 1-7, 1 = better score) and performed expiratory flows, lung volume and carbon monoxide diffusion capacity measurements...
April 23, 2018: COPD
Thierry Troosters, François Maltais, Nancy Leidy, Kim L Lavoie, Maria Sedeno, Wim Janssens, Judith Garcia-Aymerich, Damijan Erzen, Dorothy De Sousa, Lawrence Korducki, Alan Hamilton, Jean Bourbeau
RATIONALE: Bronchodilation and exercise training (ExT) improve exercise tolerance in patients with chronic obstructive pulmonary disease (COPD); however, behavior modification is required to impact on daily physical activity (PA). OBJECTIVES: To assess whether tiotropium/olodaterol, ±ExT, would improve exercise endurance time (EET) and PA compared with placebo in patients participating in a self-management behavior-modification (SMBM) program. METHODS: A 12-week, randomized, partially double-blind, placebo-controlled, parallel-group trial in patients with COPD (PHYSACTO®; NCT02085161)...
April 17, 2018: American Journal of Respiratory and Critical Care Medicine
Alexandre Maltais, Natalie Alméras, Isabelle Lemieux, Angelo Tremblay, Jean Bergeron, Paul Poirier, Jean-Pierre Després
BACKGROUND/OBJECTIVES: Thigh muscle attenuation measured by computed tomography (CT) has been shown to be a reliable and useful index of skeletal muscle fat infiltration. Thigh muscle fat content assessed by CT has been linked to obesity and type 2 diabetes and is a correlate of insulin resistance in sedentary individuals. However, as measurement of mid-thigh fat content requires the assessment of another region of interest beyond the usual abdominal scan required to measure levels of visceral and subcutaneous abdominal adipose tissue, this study aimed at testing the hypothesis that skeletal muscle fat measured from a single abdominal scan (L4 -L5 ) would also provide information relevant to the estimation of muscle fat infiltration as it relates to cardiometabolic risk...
April 12, 2018: Metabolism: Clinical and Experimental
Eric Jubinville, Marc Veillette, Julie Milot, François Maltais, André M Comeau, Roger C Levesque, Caroline Duchaine
Little is known about the microbiota shift induced by exacerbation in chronic obstructive pulmonary disease (COPD) patients. The sputa microbiota of COPD patients was evaluated when clinically stable and during acute exacerbations of the disease. Sputa microbiota was analyzed using 16S ribosomal RNA gene pyrosequencing and quantitative polymerase chain reaction-based pathogen detection. Nine COPD patients were enrolled. Pyrosequencing of 16S rRNA genes identified 2,267 unique bacterial operational taxonomic units...
2018: PloS One
David L Joyce, Brian D Lahr, Simon Maltais, Sameh M Said, John M Stulak, Gregory A Nuttall, Lyle D Joyce
OBJECTIVES: Simulation in resident medical education has traditionally focused on isolated components of a surgical procedure. We hypothesized that incorporating an interdisciplinary team into a high-fidelity simulation laboratory would enhance the modeling of real-world challenges during cardiac surgery. METHODS: Simulation exercises were performed with staffing by surgeons, anesthesiologists, perfusionists, surgical assistants, and operating room technicians. Twelve accredited cardiothoracic surgical residents were divided into 3 teams...
June 2018: Journal of Thoracic and Cardiovascular Surgery
Nishant Saran, Chaim Locker, Sameh M Said, Richard C Daly, Simon Maltais, John M Stulak, Kevin L Greason, Alberto Pochettino, Hartzell V Schaff, Joseph A Dearani, Lyle D Joyce, Brian D Lahr, David L Joyce
BACKGROUND: We sought to identify the trends in bilateral internal thoracic artery use and determine the degree to which the survival advantage of bilateral internal thoracic artery revascularization persists among perceived "high-risk" patients, compared with the use of left internal thoracic artery alone. METHODS: A retrospective review was conducted of patients who underwent isolated coronary artery bypass grafting for multivessel coronary artery disease at the Mayo Clinic between January 2000 and December 2015...
June 2018: Journal of Thoracic and Cardiovascular Surgery
Yves Lacasse, Ai-Yui M Tan, François Maltais, Jerry A Krishnan
Two landmark trials conducted more than 35 years ago provided scientific evidence that, under very specific circumstances, long-term oxygen therapy (LTOT) may prolong life. These two trials enrolled 290 patients with chronic obstructive pulmonary disease and severe daytime hypoxemia documented by direct arterial blood gas measurement. From that time, LTOT became a standard of care, and the indications for oxygen therapy expanded to include nocturnal oxygen therapy for isolated nocturnal oxygen desaturation, ambulatory oxygen to correct exercise-induced desaturation, and short-burst oxygen to relieve dyspnea...
May 15, 2018: American Journal of Respiratory and Critical Care Medicine
Pavol Sajgalik, Vaclav Kremen, Vratislav Fabian, Simon Maltais, John M Stulak, Sudhir S Kushwaha, Lyle D Joyce, John A Schirger, Bruce D Johnson
The gold standard for noninvasive blood pressure (BP) measurement, the Doppler technique, does not provide systolic blood pressure (SBP) and diastolic blood pressure (DBP) and may limit therapy outcomes. To improve patient care, we tested specifically designed experimental BP (ExpBP) monitor and the Doppler technique by comparing noninvasive measures to the intraarterial (I-A) BP in 31 patients with end-stage heart failure (4 females) 2.6 ± 3.4 days post-LVAD implantation (20 HeartMate II and 11 HeartWare)...
March 13, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Raphael Dutour, Rene Maltais, Martin Perreault, Jenny Roy, Donald Poirier
RM-133 belongs to a new family of aminosteroid derivatives demonstrating interesting anticancer properties, as confirmed in vivo in four mouse cancer xenograft models. However, the metabolic stability of RM-133 needs to be improved. After investigation, the replacement of its androstane scaffold by a more stable estrane scaffold led to the development of the mestranol derivative RM-581. Using solid-phase strategy involving five steps, we quickly synthesized a series of RM-581 analogs using the recently-developed diethylsilyl acetylenic linker...
March 7, 2018: Anti-cancer Agents in Medicinal Chemistry
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