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https://www.readbyqxmd.com/read/28548925/immunological-consequences-of-ageing-microvascular-hemodynamic-changes-in-view-of-cancer-development-and-treatment
#1
REVIEW
Jinhyuk Fred Chung, Sang Joon Lee, Anil K Sood
Risk factors of cardiovascular diseases have long been implicated as risk factors for carcinogenesis, but clear explanations for their association have not been presented. In this article, fundamental concepts from carcinogenesis, microvascular hemodynamics, and immunity are collectively reviewed and analyzed in context of the known features of vascular ageing effects, in formulating a theory that suggests reduced microvascular immunity as an important driving factor for carcinogenesis. Furthermore, scientific, preclinical, and clinical evidence that support this new theory are presented in an interdisciplinary manner, offering new explanations to previously unanswered factors that impact cancer risks and its treatment outcome such as chronic drug use, temperature, stress and exercise effects among others...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548371/the-additional-utility-of-two-dimensional-strain-in-detection-of-coronary-artery-disease-presence-and-localization-in-patients-undergoing-dobutamine-stress-echocardiogram
#2
Alaa Roushdy, Yomna Abou El Seoud, Mohamed Abd Elrahman, Basem Wadeaa, Adel Eletriby, Zainab Abd El Salam
BACKGROUND: Dobutamine stress echocardiogram (DSE) is a feasible and safe exercise-independent stress modality for diagnoses of coronary artery disease (CAD), but it is subjective, and operator dependant. Two-dimensional strain at peak stress could overcome these limitations and thus increase the accuracy of DSE. METHODS AND RESULTS: This was a prospective observational study in which 80 patients underwent DSE, two-dimensional strain at peak stress, and coronary angiography...
May 26, 2017: Echocardiography
https://www.readbyqxmd.com/read/28547175/influence-of-body-mass-index-and-type-of-low-level-exercise-on-the-side-effect-profile-of-regadenoson
#3
Carlos Salgado-Garcia, Amelia Jimenez-Heffernan, Juana Lopez-Martin, Manuela Molina-Mora, Tarik Aroui, Elena Sanchez de Mora, Carlos Ramos-Font, Francisco Rivera de Los Santos, Carlos Ruiz-Frutos
PURPOSE: Regadenoson, an A2A adenosine receptor pharmacologic stress agent for radionuclide myocardial perfusion imaging (MPI), is administered as a single, fixed dose. We studied the side effect profile of regadenoson combined with two types of low-level exercise, according to body mass index (BMI). METHODS: Three hundred and fifty-six patients (46.1% men, mean age 67.7±10.7 years, range 31-90 years) underwent regadenoson stress testing combined with low-level exercise...
May 25, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28546682/yoga-practice-improves-the-body-mass-index-and-blood-pressure-a-randomized-controlled-trial
#4
Ashutosh Chauhan, Deepak Kumar Semwal, Satyendra Prasad Mishra, Ruchi Badoni Semwal
BACKGROUND: Yoga, an ancient Indian system of exercise and therapy is an art of good living or an integrated system for the benefit of the body, mind, and inner spirit. Regular practice of yoga can help to increase blood flow to the brain, reduce stress, have a calming effect on the nervous system, and greatly help in reducing hypertension. AIM: Aim of the present study is to evaluate the effect of 1-month yoga practice on body mass index (BMI), and blood pressure (BP)...
May 2017: International Journal of Yoga
https://www.readbyqxmd.com/read/28546113/stretch-activated-trpv2-channels-role-in-mediating-cardiopathies
#5
REVIEW
Elizabeth Aguettaz, Patrick Bois, Christian Cognard, Stéphane Sebille
Transient receptor potential vanilloid type 2, TRPV2, is a calcium-permeable cation channel belonging to the TRPV channel family. Although this channel has been first characterized as a noxious heat sensor, its mechanosensor property recently gained importance in various physiological functions. TRPV2 has been described as a stretch-mediated channel and a regulator of calcium homeostasis in several cell types and has been shown to be involved in the stretch-dependent responses in cardiomyocytes. Hence, several studies in the last years support the idea that TRPV2 play a key role in the function and structure of the heart, being involved in the cardiac compensatory mechanisms in response to pathologic or exercise-induced stress...
May 22, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28544643/adaptations-to-endurance-training-depend-on-exercise-induced-oxidative-stress-exploiting-redox-inter-individual-variability
#6
Nikos V Margaritelis, Anastasios A Theodorou, Vassilis Paschalis, Aristidis S Veskoukis, Konstantina Dipla, Andreas Zafeiridis, George Panayiotou, Ioannis S Vrabas, Antonios Kyparos, Michalis G Nikolaidis
AIM: The aim of the present study was to reveal the role of reactive oxygen and nitrogen species (RONS) in exercise adaptations under physiological in vivo conditions and without the interference from other exogenous redox agents (e.g., a pro-oxidant or antioxidant). METHODS: We invented a novel methodological set-up that exploited the large redox inter-individual variability in exercise responses. More specifically, we used exercise-induced oxidative stress as the "classifier" measure (i...
May 24, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28541137/clinical-use-of-continuous-glucose-monitoring-in-adults-with-type-2-diabetes
#7
Anders L Carlson, Deborah M Mullen, Richard M Bergenstal
Hemoglobin A1c is an excellent population health measure for the risk of vascular complications in diabetes, while continuous glucose monitoring (CGM) is a tool to help personalize a diabetes treatment plan. The value of CGM in individuals with type 1 diabetes (T1D) has been well demonstrated when compared with utilizing self-monitoring of blood glucose (SMBG) to guide treatment decisions. CGM is a tool for patients and clinicians to visualize the important role that diet, exercise, stress management, and the appropriate selection of diabetes medications can have in managing type 2 diabetes (T2D)...
May 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28537954/a-meta-synthesis-of-qualitative-studies-exploring-men-s-sense-of-masculinity-post-prostate-cancer-treatment
#8
Obrey Alexis, Aaron James Worsley
BACKGROUND: There has been little psychosocial research concerning men's adaption to prostate cancer and treatment-related sexual dysfunction. Qualitative studies have explored men's sense of self after treatment, but the data have yet to be synthesized. OBJECTIVE: The aim of this study was to report a meta-synthesis of qualitative studies exploring men's sense of masculinity after treatment of prostate cancer. METHODS: Six databases were searched to identify relevant studies conducted and published between January 1990 and August 2016...
May 23, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28535726/the-effects-of-arousal-reappraisal-on-stress-responses-performance-and-attention
#9
Nadine Sammy, Paul A Anstiss, Lee J Moore, Paul Freeman, Mark R Wilson, Samuel J Vine
BACKGROUND AND OBJECTIVES: This study examined the effects of arousal reappraisal on cardiovascular responses, demand and resource evaluations, self-confidence, performance and attention under pressurized conditions. A recent study by Moore et al. [2015. Reappraising threat: How to optimize performance under pressure. Journal of Sport and Exercise Psychology, 37(3), 339-343. doi: 10.1123/jsep.2014-0186 ] suggested that arousal reappraisal is beneficial to the promotion of challenge states and leads to improvements in single-trial performance...
May 23, 2017: Anxiety, Stress, and Coping
https://www.readbyqxmd.com/read/28535246/designing-smartphone-mental-health-applications-for-emergency-service-workers
#10
M Deady, D Peters, H Lang, R Calvo, N Glozier, H Christensen, S B Harvey
Background: Emergency service workers are often exposed to trauma and have increased risk of a range of mental health (MH) conditions. Smartphone applications have the potential to provide this group with effective psychological interventions; however, little is known about the acceptability and preferences regarding such initiatives. Aims: To describe the preferences and opinions of emergency service workers regarding the use of smartphone MH applications and to examine the impact of age on these preferences...
May 23, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28534811/hormetic-property-of-ginseng-steroids-on-anti-oxidant-status-against-exercise-challenge-in-rat-skeletal-muscle
#11
Ming-Fen Hsu, Szu-Hsien Yu, Mallikarjuna Korivi, Wei-Horng Jean, Shin-Da Lee, Chih-Yang Huang, Yi-Hung Liao, Jessica Lu, Chia-Hua Kuo
BACKGROUND: Existing literature on anti-oxidant capacity of ginseng has been inconsistent due to variance in the profile of ginseng steroids (Ginsenosides) that is because of differences in seasons and species. METHODS: We used various doses of ginseng steroids to determine its effect on oxidative stress and anti-oxidant capacity of rat skeletal muscle against exercise. RESULTS: Under non-exercise conditions, we found increased thiobarbituric acid reactive substance (TBARS) levels and decreased reduced/oxidized glutathione ratio (GSH/GSSG) in rat skeletal muscle as dose increases (p < 0...
May 19, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28534118/exercise-induced-circulating-extracellular-vesicles-protect-against-cardiac-ischemia-reperfusion-injury
#12
Yihua Bei, Tianzhao Xu, Dongchao Lv, Pujiao Yu, Jiahong Xu, Lin Che, Avash Das, John Tigges, Vassilios Toxavidis, Ionita Ghiran, Ravi Shah, Yongqin Li, Yuhui Zhang, Saumya Das, Junjie Xiao
Extracellular vesicles (EVs) serve an important function as mediators of intercellular communication. Exercise is protective for the heart, although the signaling mechanisms that mediate this cardioprotection have not been fully elucidated. Here using nano-flow cytometry, we found a rapid increase in plasma EVs in human subjects undergoing exercise stress testing. We subsequently identified that serum EVs were increased by ~1.85-fold in mice after 3-week swimming. Intramyocardial injection of equivalent quantities of EVs from exercised mice and non-exercised controls provided similar protective effects against acute ischemia/reperfusion (I/R) injury in mice...
July 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28533262/acute-and-chronic-changes-in-rat-soleus-muscle-after-high-fat-high-sucrose-diet
#13
Kelsey H Collins, David A Hart, Ian C Smith, Anthony M Issler, Raylene A Reimer, Ruth A Seerattan, Jaqueline L Rios, Walter Herzog
The effects of obesity on different musculoskeletal tissues are not well understood. The glycolytic quadriceps muscles are compromised with obesity, but due to its high oxidative capacity, the soleus muscle may be protected against obesity-induced muscle damage. To determine the time-course relationship between a high-fat/high-sucrose (HFS) metabolic challenge and soleus muscle integrity, defined as intramuscular fat invasion, fibrosis and molecular alterations over six time points. Male Sprague-Dawley rats were fed a HFS diet (n = 64) and killed at serial short-term (3 days, 1 week, 2 weeks, 4 weeks) and long-term (12 weeks, 28 weeks) time points...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28532774/genotype-positive-long-qt-syndrome-in-patients-with-coexisting-congenital-heart-disease
#14
Mohammed A Ebrahim, Matthew R Williams, Suzanne Shepard, James C Perry
Congenital long QT syndrome (LQTS) is characterized by QT prolongation with predisposition to life-threatening arrhythmia. There have been sporadic reports of LQTS coexisting with more common forms of congenital heart disease (CHD). However, the diagnosis of LQTS when CHD is present may be confounded by several common variables including postoperative electromechanical factors predisposing to ventricular arrhythmia, intrinsic, and postoperative QRS abnormalities. This report documents a single-center experience with patients who have both genetically confirmed LQTS and CHD to examine their modes of presentation and factors associated with making the diagnosis of LQTS in this patient population, as well as potential confounding variables that may mask or delay both LQTS diagnosis and initiation of therapy...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28530078/-athlete-s-heart-the-more-the-merrier
#15
REVIEW
Reut Shavit, Michael Glikson, Naama Constantini
Regular moderate exercise training is effective for the prevention and treatment of many common chronic diseases and improves cardiovascular health and life expectancy. However, long-term excessive endurance exercise may induce pathological structural remodeling of the heart. The athlete's heart is characterized by enlargement of cardiac chambers and eccentric hypertrophy with preserved myocardial function as normal physiological adaptations for prolonged and intense endurance physical stress. However, recent studies have demonstrated transient right ventricular dysfunction and elevation of cardiac biomarkers following intense endurance exercise...
September 2016: Harefuah
https://www.readbyqxmd.com/read/28529544/complementary-and-alternative-interventions-for-fatigue-management-after-traumatic-brain-injury-a-systematic-review
#16
Gang-Zhu Xu, Yan-Feng Li, Mao-De Wang, Dong-Yuan Cao
BACKGROUND: We systematically reviewed randomized controlled trials (RCTs) of complementary and alternative interventions for fatigue after traumatic brain injury (TBI). METHODS: We searched multiple online sources including ClinicalTrials.gov, the Cochrane Library database, MEDLINE, CINAHL, Embase, the Web of Science, AMED, PsychINFO, Toxline, ProQuest Digital Dissertations, PEDro, PsycBite, and the World Health Organization (WHO) trial registry, in addition to hand searching of grey literature...
May 2017: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/28529499/exercise-and-glycemic-control-focus-on-redox-homeostasis-and-redox-sensitive-protein-signaling
#17
REVIEW
Lewan Parker, Christopher S Shaw, Nigel K Stepto, Itamar Levinger
Physical inactivity, excess energy consumption, and obesity are associated with elevated systemic oxidative stress and the sustained activation of redox-sensitive stress-activated protein kinase (SAPK) and mitogen-activated protein kinase signaling pathways. Sustained SAPK activation leads to aberrant insulin signaling, impaired glycemic control, and the development and progression of cardiometabolic disease. Paradoxically, acute exercise transiently increases oxidative stress and SAPK signaling, yet postexercise glycemic control and skeletal muscle function are enhanced...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28528369/effect-of-physical-stress-on-drug-induced-sleep-endoscopy-for-obstructive-sleep-apnea
#18
Sang Min Park, Dong-Kyu Kim
Drug-induced sleep endoscopy (DISE) is a reliable upper airway evaluation tool, widely used to improve surgical results in patients with obstructive sleep apnea (OSA). Several factors, including sleeping position and depth of sedation, affect DISE findings. This study aimed to evaluate the impact of physical stress on DISE findings. Eighty-five patients with OSA underwent two DISE examinations at the same level of sedation. The "first DISE" (control group) was performed after polysomnography, while the "second DISE" (test group) performed immediately after a treadmill stress test...
May 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28527694/voluntary-wheel-running-ameliorates-depression-like-behaviors-and-brain-blood-oxygen-level-dependent-signals-in-chronic-unpredictable-mild-stress-mice
#19
Peng Huang, Zhaoyang Dong, Weiliang Huang, Chuying Zhou, Weichao Zhong, Peiqian Hu, Ge Wen, Xuegang Sun, Heyu Hua, Huihui Cao, Lei Gao, Zhiping Lv
BACKGROUND: Physical exercise has been long recognized for its therapeutic effects on depressive disorders, but the underlying mechanisms remain largely unknown. In the study, we investigated whether the physical exercise by voluntary wheel running (VWR) alters depression-like behaviors and its impact on brain blood oxygen level-dependent (BOLD) signals in mice. METHODS: Adult male C57BL/6 mice were assigned to one of the following groups; (1) no exercise control (noEx), housed in a standard cage; (2) exercise (Ex), 2hours/day in a running wheel apparatus; (3) chronic unpredictable mild stress (CUMS), which was imitating adult stress; and (4) CUMS+Ex...
May 17, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28526664/effect-of-a-counseling-session-bolstered-by-text-messaging-on-self-selected-health-behaviors-in-college-students-a-preliminary-randomized-controlled-trial
#20
Janice Sandrick, Doreen Tracy, Arn Eliasson, Ashley Roth, Jeffrey Bartel, Melanie Simko, Tracy Bowman, Karen Harouse-Bell, Mariam Kashani, Marina Vernalis
BACKGROUND: The college experience is often the first time when young adults live independently and make their own lifestyle choices. These choices affect dietary behaviors, exercise habits, techniques to deal with stress, and decisions on sleep time, all of which direct the trajectory of future health. There is a need for effective strategies that will encourage healthy lifestyle choices in young adults attending college. OBJECTIVE: This preliminary randomized controlled trial tested the effect of coaching and text messages (short message service, SMS) on self-selected health behaviors in the domains of diet, exercise, stress, and sleep...
May 17, 2017: JMIR MHealth and UHealth
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