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https://www.readbyqxmd.com/read/28214133/dynamic-hyperinflation-in-patients-with-asthma-and-exercise-induced-bronchoconstriction
#1
Olga Mediano, Raquel Casitas, Carlos Villasante, Elisabet Martínez-Cerón, Raúl Galera, Ester Zamarrón, Francisco García-Río
BACKGROUND: Little is known about the behavior of operative lung volumes during exercise in patients with asthma and exercise-induced bronchoconstriction (EIB). OBJECTIVES: To compare the presence of dynamic hyperinflation (DH) in patients with mild asthma with and without EIB and in healthy individuals and to relate the changes in end-expiratory lung volume (EELV) with postexercise airflow reduction. METHODS: A total of 122 consecutive stable patients (>12 years of age) with mild asthma and 38 controls were studied...
February 14, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28212951/priority-to-end-of-life-treatments-views-of-the-public-in-the-netherlands
#2
Sofie Wouters, Job van Exel, Rachel Baker, Werner B F Brouwer
OBJECTIVES: Recent debates in the Netherlands on health care priority setting have focused on the relative value of gains generated by life-extending medicines for people with a terminal illness, mostly new cancer drugs. These treatments are generally expensive, provide relatively small health gains, and therefore usually do not meet common cost per QALY thresholds. Nevertheless, these drugs may be provided under the assumption that there is public support for making a special case for treatments for people with a terminal illness...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28212401/preload-based-starling-like-control-of-rotary-blood-pumps-an-in-vitro-evaluation
#3
Mahdi Mansouri, Shaun D Gregory, Robert F Salamonsen, Nigel H Lovell, Michael C Stevens, Jo P Pauls, Rini Akmeliawati, Einly Lim
Due to a shortage of donor hearts, rotary left ventricular assist devices (LVADs) are used to provide mechanical circulatory support. To address the preload insensitivity of the constant speed controller (CSC) used in conventional LVADs, we developed a preload-based Starling-like controller (SLC). The SLC emulates the Starling law of the heart to maintain mean pump flow ([Formula: see text]) with respect to mean left ventricular end diastolic pressure (PLVEDm) as the feedback signal. The SLC and CSC were compared using a mock circulation loop to assess their capacity to increase cardiac output during mild exercise while avoiding ventricular suction (marked by a negative PLVEDm) and maintaining circulatory stability during blood loss and severe reductions in left ventricular contractility (LVC)...
2017: PloS One
https://www.readbyqxmd.com/read/28210043/repeated-3-minute-stair-climbing-descending-exercise-after-a-meal-over-2-weeks-increases-serum-1-5-anhydroglucitol-levels-in-people-with-type-2-diabetes
#4
Hiroto Honda, Makoto Igaki, Yuki Hatanaka, Motoaki Komatsu, Shin-Ichiro Tanaka, Tetsuo Miki, Yumika Matsuki, Tetsuo Takaishi, Tatsuya Hayashi
[Purpose] The purpose of this study was to examine the hypoglycemic effect of a postprandial exercise program using brief stair climbing-descending exercise in people with type 2 diabetes. [Subjects and Methods] Seven males with uncomplicated type 2 diabetes (age 68.0 ± 3.7 years) performed two sets of stair climbing-descending exercise 60 and 120 min after each meal for the first 2 weeks but not for the following 2 weeks. Each set of exercise comprised 3-min of continuous repetition of climbing briskly to the second floor followed by slow waking down to the first floor in their home...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28208905/n-acetylcysteine-combined-with-home-based-physical-activity-effect-on-health-related-quality-of-life-in-stable-copd-patients-a-randomised-controlled-trial
#5
Vijay Tukaram Salve, Jitesh S Atram
INTRODUCTION: Quality of life is adversely affected in Chronic Obstructive Pulmonary Disease (COPD), due to irreversible, progressive nature of the disease and limitations of current treatment options available. One of the important aim of treatment of COPD is to improve Quality of Life (QoL). Cigarette smoke contains numerous free radicals and other oxidants. Oxidative stress has been implicated in pathogenesis, progression of disease and exacerbation in COPD. Pulmonary tuberculosis, outdoor and indoor air pollution and many others are aetiologies of COPD in non-smokers...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28206871/swallowing-therapy-and-progressive-resistance-training-in-head-and-neck-cancer-patients-undergoing-radiotherapy-treatment-randomized-control-trial-protocol-and-preliminary-data
#6
Sara F Hajdú, Irene Wessel, Christoffer Johansen, Claus A Kristensen, Zahra T Kadkhoda, Christina C Plaschke, Susanne O Dalton
BACKGROUND: Head and neck cancer (HNC) patients are often challenged by treatment induced dysphagia and trismus. Traditionally, rehabilitation is initiated when loss of function has already occurred. There is increasing evidence that it is of benefit to patients to initiate an early rehabilitation process before and during treatment. HNC patients have a unique set of functional challenges such as pre- and post-treatment dysphagia, pain and weight loss. The aim of the trial is to investigate the effects of swallowing and mouth-opening exercises combined with progressive resistance training (PRT) during radiotherapy...
February 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28202500/canwalk-a-feasibility-study-with-embedded-randomised-controlled-trial-pilot-of-a-walking-intervention-for-people-with-recurrent-or-metastatic-cancer
#7
Vicki Tsianakas, Jenny Harris, Emma Ream, Mieke Van Hemelrijck, Arnie Purushotham, Lorelei Mucci, James S A Green, Jacquetta Fewster, Jo Armes
OBJECTIVES: Walking is an adaptable, inexpensive and accessible form of physical activity. However, its impact on quality of life (QoL) and symptom severity in people with advanced cancer is unknown. This study aimed to assess the feasibility and acceptability of a randomised controlled trial (RCT) of a community-based walking intervention to enhance QoL in people with recurrent/metastatic cancer. DESIGN: We used a mixed-methods design comprising a 2-centre RCT and nested qualitative interviews...
February 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28198702/epigenetic-clock-analysis-of-diet-exercise-education-and-lifestyle-factors
#8
Austin Quach, Morgan E Levine, Toshiko Tanaka, Ake T Lu, Brian H Chen, Luigi Ferrucci, Beate Ritz, Stefania Bandinelli, Marian L Neuhouser, Jeannette M Beasley, Linda Snetselaar, Robert B Wallace, Philip S Tsao, Devin Absher, Themistocles L Assimes, James D Stewart, Yun Li, Lifang Hou, Andrea A Baccarelli, Eric A Whitsel, Steve Horvath
Behavioral and lifestyle factors have been shown to relate to a number of health-related outcomes, yet there is a need for studies that examine their relationship to molecular aging rates. Toward this end, we use recent epigenetic biomarkers of age that have previously been shown to predict all-cause mortality, chronic conditions, and age-related functional decline. We analyze cross-sectional data from 4,173 postmenopausal female participants from the Women's Health Initiative, as well as 402 male and female participants from the Italian cohort study, Invecchiare nel Chianti...
February 14, 2017: Aging
https://www.readbyqxmd.com/read/28197275/cardiac-resynchronization-therapy-leads-to-improvements-in-handgrip-strength
#9
David R Warriner, Patricia Lawford, Paul J Sheridan
BACKGROUND: A reduction in skeletal muscle performance measured by handgrip strength is common in heart failure. No trial has investigated the role of cardiac resynchronization therapy, which leads to improvements in cardiac performance, on the function of skeletal muscle in patients with heart failure. METHODS: Nineteen patients were recruited, 18 male, age 69 ± 8 years, New York Heart Association class II-IV, QRS duration 173 ± 21 ms and left ventricular ejection fraction 26±8%...
June 2016: Cardiology Research
https://www.readbyqxmd.com/read/28197270/interesting-correlation-between-the-circulating-pentraxin-3-and-cardiac-rehabilitation-program-outcomes-in-coronary-artery-bypass-grafting-patients
#10
Habib Haybar, Babak Payami, Isa Khaheshi, Yasaman Ghotbi, Seyed Mahmoud Latifi, Ahmadreza Assareh
BACKGROUND: Pentraxin 3 (PTX3) is an inflammatory mediator, reaches to the high levels after ischemic heart diseases (IHD) and could be a helpful tool to predict cardiac rehabilitation (CR) outcomes. The aim of this study was to investigate the possibility of the circulating levels of PTX3 in prediction of CR outcomes in patients with IHD who had undergone coronary artery bypass grafting (CABG). METHODS: One hundred patients who had undergone CABG were included in this study...
April 2016: Cardiology Research
https://www.readbyqxmd.com/read/28194682/psychopharmacology-prescribing-workshops-a-novel-method-for-teaching-psychiatry-residents-how-to-talk-to-patients-about-medications
#11
Eileen P Kavanagh, John Cahill, Melissa R Arbuckle, Alison E Lenet, Kalyani Subramanyam, Ronald M Winchel, Ilana Nossel, Ravi DeSilva, Rachel A Caravella, Marra Ackerman, Henry C Park, David A Ross
OBJECTIVE: Traditional, lecture-based methods of teaching pharmacology may not translate into the skills needed to communicate effectively with patients about medications. In response, the authors developed an interactive course for third-year psychiatry residents to reinforce prescribing skills. METHODS: Residents participate in a facilitated group discussion combined with a role-play exercise where they mock-prescribe medication to their peers. Each session is focused on one medication or class of medications with an emphasis on various aspects of informed consent (such as describing the indication, dosing, expected benefits, potential side effects, and necessary work-up and follow up)...
February 13, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28191501/skeletal-muscle-function-deficits-in-the-elderly-current-perspectives-on-resistance-training
#12
Evan V Papa, Xiaoyang Dong, Mahdi Hassan
A variety of changes in skeletal muscle occur with aging. Sarcopenia is the age-associated loss of muscle mass and is one of the main contributors to musculoskeletal impairments in the elderly. Traditional definitions of sarcopenia focused on the size of human skeletal muscle. However, increasing evidence in older adults suggests that low muscle mass is associated with weakness, and weakness is strongly associated with function and disability. In recent years a global trend has shifted toward more encompassing definitions for the loss of muscle mass which include decreases in physical function...
January 2017: Journal of Nature and Science
https://www.readbyqxmd.com/read/28188951/the-influence-of-adrenergic-stimulation-on-sex-differences-in-left-ventricular-twist-mechanics
#13
Alexandra M Williams, Rob E Shave, William S Cheyne, Neil D Eves
BACKGROUND: Sex differences in LV mechanics exist at rest and during acute physiological stress. Differences in cardiac autonomic and adrenergic control may contribute to sex differences in LV mechanics and LV hemodynamics. Accordingly, this study aimed to investigate sex differences in LV mechanics with altered adrenergic stimulation achieved through post handgrip exercise ischemia (PEI) and β1 -adrenergic receptor (AR) blockade. METHODS AND RESULTS: 20 males (23 ± 5 yr) and 20 females (22 ± 3 yr) were specifically matched for LV length (males: 8...
February 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28187374/the-strengths-and-weaknesses-of-non-invasive-parameters-obtained-by-echocardiography-and-cardiopulmonary-exercise-testing-in-comparison-with-the-hemodynamic-assessment-by-the-right-heart-catheterization-in-patients-with-pulmonary-hypertension
#14
Katarzyna Ptaszyńska-Kopczyńska, Anna Krentowska, Emilia Sawicka, Anna Skoneczny, Małgorzata Jasiewicz, Małgorzata Knapp, Włodzimierz J Musiał, Bożena Sobkowicz, Karol A Kamiński
PURPOSE: Pulmonary hypertension (PH) diagnosis requires invasive assessment by right heart catheterization (RHC), but screening and monitoring are performed using non-invasive methods: echocardiography and cardiopulmonary exercise testing (CPET). The aim of the study was to assess correlations between the parameters obtained in non-invasive testing and RHC in patients with PH of different etiologies. MATERIAL/METHODS: The study included 53 medical records of PH patients (32 women) aged 29-81 years...
June 14, 2016: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28186430/cerebral-blood-flow-frontal-lobe-oxygenation-and-intra-arterial-blood-pressure-during-sprint-exercise-in-normoxia-and-severe-acute-hypoxia-in-humans
#15
David Curtelin, David Morales-Alamo, Rafael Torres-Peralta, Peter Rasmussen, Marcos Martin-Rincon, Mario Perez-Valera, Christoph Siebenmann, Ismael Pérez-Suárez, Evgenia Cherouveim, A William Sheel, Carsten Lundby, José Al Calbet
Cerebral blood flow (CBF) is regulated to secure brain O2 delivery while simultaneously avoiding hyperperfusion; however, both requisites may conflict during sprint exercise. To determine whether brain O2 delivery or CBF is prioritized, young men performed sprint exercise in normoxia and hypoxia (PIO2 = 73 mmHg). During the sprints, cardiac output increased to ∼22 L min(-1), mean arterial pressure to ∼131 mmHg and peak systolic blood pressure ranged between 200 and 304 mmHg. Middle-cerebral artery velocity (MCAv) increased to peak values (∼16%) after 7...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28185715/effects-of-oral-antidiabetic-drugs-on-changes-in-the-liver-to-spleen-ratio-on-computed-tomography-and-inflammatory-biomarkers-in-patients-with-type-2-diabetes-and-nonalcoholic-fatty-liver-disease
#16
Koichi Yabiku, Akiko Mutoh, Kazufumi Miyagi, Nobuyuki Takasu
PURPOSE: Oral antidiabetic drugs (OADs) such as pioglitazone and metformin have beneficial effects in patients with nonalcoholic steatohepatitis. We prospectively assessed the effects of OADs on nonalcoholic fatty liver disease (NAFLD) in 886 men with type 2 diabetes mellitus and in a murine model of NAFLD. METHODS: Patients were randomized to receive pioglitazone, metformin, sitagliptin, or a non-OAD (control) for 6 months. All the patients received dietary and exercise guidance once a month during this study...
February 6, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28185706/training-induced-right-ventricular-remodelling-in-pre-adolescent-endurance-athletes-the-athlete-s-heart-in-children
#17
Flavio D'Ascenzi, Antonio Pelliccia, Francesca Valentini, Angela Malandrino, Benedetta Maria Natali, Riccardo Barbati, Marta Focardi, Marco Bonifazi, Sergio Mondillo
AIMS: Little is known about the adaptation of the right ventricle (RV) to endurance exercise in children. The aim of this study was to assess the effects of 5months of intensive training on RV morphology and function in preadolescent endurance athletes. METHODS: Ninety-four children were evaluated in this study. Fifty-seven male competitive swimmers (aged 10.8±0.2years) were evaluated before (baseline) and after 5months of the training (peak-training), and compared to 37 age- and sex-matched non-athlete children evaluated at baseline and after 5months of natural growth...
January 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28184184/tx-rx-head-coil-induces-less-rf-transmit-related-heating-than-body-coil-in-conductive-metallic-objects-outside-the-active-area-of-the-head-coil
#18
Zoltan Nagy, Aaron Oliver-Taylor, Andre Kuehne, Sigrun Goluch, Nikolaus Weiskopf
The transmit-receive (Tx/Rx) birdcage head coil is often used for excitation instead of the body coil because of the presumably lower risk of heating in and around conductive implants. However, this common practice has not been systematically tested. To investigate whether the Tx/Rx birdcage head coil produces less heating than the body coil when scanning individuals with implants, we used a 3T clinical scanner and made temperature measurements around a straight 15 cm conductor using either the Tx/Rx body or the head coil for excitation...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28183441/similar-metabolic-response-to-lower-versus-upper-body-interval-exercise-or-endurance-exercise
#19
Monique E Francois, Matthew J Graham, Evelyn B Parr, Nancy J Rehrer, Samuel J E Lucas, Stasinos Stavrianeas, James D Cotter
PURPOSE: To compare energy use and substrate partitioning arising from repeated lower- versus upper-body sprints, or endurance exercise, across a 24-h period. METHODS: Twelve untrained males (24±4 y) completed three trials in randomized order: (1) repeated sprints (five 30-s Wingate, 4.5-min recovery) on a cycle ergometer (SITLegs); (2) 50-min continuous cycling at 65% V̇O2max (END); (3) repeated sprints on an arm-crank ergometer (SITArms). Respiratory gas exchange was assessed before and during exercise, and at eight points across 22h of recovery...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28182509/knowledge-of-task-end-point-influences-pacing-and-performance-during-simulated-rugby-league-match-play
#20
Jamie Highton, Thomas Mullen, Craig Twist
PURPOSE: To examine the influence of knowledge of exercise duration on pacing and performance during simulated rugby league match-play. METHODS: Thirteen male university rugby players completed three simulated rugby league matches (RLMSP-i) on separate days in a random order. In a control trial, participants were informed that they would be performing 2 x 23 min bouts (separated by 20 min) of the RLMSP-i (CON). In a second trial, participants were informed that they would be performing 1 x 23 min bout of the protocol, but were then asked to perform another 23 min bout (DEC)...
February 9, 2017: International Journal of Sports Physiology and Performance
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