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Results 251 - 300 of 1436
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Alves A J - - 2012
β1-adrenergic receptors (ADRB1) and Gαs proteins (GNAS) play important roles in the regulation of cardiac function. The present study sought to investigate whether ADRB1 Arg389Gly (rs1801253), GNAS -1211 G/A (rs6123837) and GNAS 2291 C/T (rs6026584) variants are associated with left ventricular function and exercise tolerance in heart failure patients. 61 ...
Doutreleau Stéphane - - 2012
: Training induces volume- and time-dependent morphological and functional changes in the heart. Heart rhythm disorders, such as atrial arrhythmia (including atrial fibrillation and atrial flutter), are a well-established consequence of such long-term endurance practice. Although resting bradycardia and first-degree atrioventricular persist in veteran athletes, a higher conduction system impairment ...
Dhakal Bishnu P - - 2012
Irregular breathing characterized by cyclic variation of ventilation with a period of approximately 1 min has been recognized in patients with heart failure for almost two centuries. Periodic breathing during exercise is a noninvasive parameter that is easily recognizable during submaximal cardiopulmonary exercise testing. Recent studies have established that periodic ...
Magrì Damiano - - 2012
Most patients with hypertrophic cardiomyopathy (HCM) usually complain of a reduced exercise capacity, and several factors have been advocated as possible causes of this clinical feature. The present single-center study was designed to investigate exercise capacity and its main clinical determinants in HCM patients. One hundred ninety seven patients of ...
Feger Bryan J - - 2012
The effect of exercise training on myocardial Na(+)/H(+) exchanger-1 (NHE1) protein expression was examined. Adult female Sprague-Dawley rats were randomly divided into sedentary (S; n = 8) and exercised (E; n = 9) groups. Twenty-four hours after the last exercise bout, hearts were weighed and connected to an isolated perfused working heart apparatus for ...
Kurtzwald-Josefson Efrat E Leviev Heart Center, Sheba Medical Center, Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, - - 2012
Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a lethal ventricular arrhythmia evoked by physical or emotional stress. Recessively inherited CPVT is caused by either missense or null-allele mutations in the cardiac calsequestrin (CASQ2) gene. It was suggested that defects in CASQ2 cause protein deficiency and impair Ca(2+) uptake to the sarcoplasmic ...
Chen Robin H S - - 2012
AIMS: This study tested the hypothesis that left ventricular (LV) contractile reserve is altered in patients after arterial switch operation (ASO) for complete transposition of the great arteries (TGA) by non-invasive determination of LV force-frequency relationship (FFR). METHODS AND RESULTS: Thirty-two patients aged 16.2 ± 2.1 years and 22 healthy ...
Papathanasiou Jannis V - - 2012
Modern cardiac rehabilitation (CR) in chronic heart failure (CHF) is a multidisciplinary process with the patient being the centre of the focus. Various CR models (inpatient, outpatient and home based) have been used the last two decades in the pursuit of higher effectiveness and better results. The aim of this ...
Lowres Nicole - - 2012
The burden of atrial fibrillation (AF) is escalating even though it is potentially modifiable. Affected persons, at high risk of stroke and death, are typically not targeted for risk reduction. We aimed to determine if risk-factor interventions can improve physical functioning, health-related quality of life (HRQoL) and cardiovascular risk in ...
Elavsky Steriani - - 2012
Physical activity (PA) is essential for successful aging and for the prevention and management of common chronic diseases. The empirical support for the beneficial effects of PA on vasomotor symptoms has, however, been mixed. The purpose of this study was to assess the effects of acute aerobic exercise and daily ...
Normandin Eve - - 2012
BACKGROUND: The purpose of this study was to compare cardiopulmonary responses, exercise adherence, tolerance, and safety of optimized high-intensity interval exercise (HIIE) compared with moderate-intensity continuous exercise (MICE) in patients with heart failure and reduced ejection fraction (HFREF). METHODS: Twenty patients with HFREF (aged 61 ± 9.9 years) were randomly ...
Belardinelli Romualdo - - 2012
This study investigated the effect of a very long-term exercise training program is not known in chronic heart failure (CHF) patients. We previously showed that long-term moderate exercise training (ET) improves functional capacity and quality of life in New York Heart Association class II and III CHF patients. We studied ...
Credeur Daniel P - - 2012
The purpose of this study was to investigate the vasodilatory and vasoconstrictor responses of the brachial artery in patients with chronic heart failure (CHF) and controls (CON) before and after a period of training and detraining. CHF (n = 10; age = 62 ± 8 yrs) and CON (n = 10; age = 55 ± 5 yrs) subjects completed 4 weeks of bilateral handgrip ...
Grewal Jasmine - - 2012
BACKGROUND: In congenitally corrected transposition of the great arteries (cc-TGA), the morphologic right ventricle acts as the subaortic (systemic) ventricle, and deterioration of the ventricle over time is a well-known complication. The objective of this study was to characterize the right ventricle and explore factors that may be contributing to ...
Smart Neil A - - 2012
©2012 Wiley Periodicals, inc. Exercise training appears to improve peak oxygen consumption (VO(2) ) and quality of life (QOL) in heart failure patients, although disease etiology, patient demographics and medication may alter the rate of adaptation. The authors sought to identify rate of change from baseline in fitness, QOL, and ...
de la Morena Gonzalo G Servicio de Cardiología, Hospital Universitario Virgen de la Arrixaca, Murcia, Spain. Electronic address: - - 2013
At-rest echocardiography is a poor predictor of exercise capacity in patients with hypertrophic cardiomyopathy. We aimed to test the performance of treadmill exercise Doppler echocardiography in the prediction of functional limitations in these patients. Eighty-seven consecutive patients with hypertrophic cardiomyopathy underwent treadmill exercise echocardiography with direct measurement of oxygen consumption. ...
Schulz Olaf - - 2012
Patients with moderate-severe aortic stenosis (AS) who maintain that they have no symptoms pose a decision-making dilemma. In order to determine whether or not preoperative symptoms were related to outcomes in these patients, results were compared after aortic valve replacement (AVR) in asymptomatic and symptomatic AS patients with a preserved ...
Okada Maki - - 2012
Childhood cancer survivors who have received treatment with anthracyclines are at risk for developing cardiomyopathy in dose-dependent fashion. Historically, restrictions on certain types of physical activity that were intended to preserve cardiac function have been recommended, based on a mixture of evidence-based and consensus-based recommendations. In the LIFE Cancer Survivorship ...
Knocke Ann - - 2012
Aerobic exercise and resistance training have been proven to be beneficial for patients with heart failure. Current reimbursement guidelines exclude these patients from our traditional cardiac rehabilitation program, so at Newton Wellesley Hospital a clinic model was developed for the disease management and exercise of heart failure patients.
Barnett Inka I MRC Epidemiology Unit and UK Clinical Research Collaboration Centre for Diet and Activity Research (CEDAR), Cambridge, United - - 2012
The transition to retirement has been recognized as a turning point in determining physical activity and may present a critical "window" for promoting physical activity. This systematic review examined changes in physical activity across the retirement transition, whether these changes vary by SES, and what is known about predictors of ...
Verheyen T - - 2012
REASONS FOR PERFORMING THE STUDY: Atrial fibrillation (AF) is the most important dysrhythmia affecting performance in horses and has been associated with incoordination, collapse and sudden death. Limited information is available on ventricular response during exercise in horses with lone AF. OBJECTIVES: To investigate ventricular response in horses with lone ...
Gjestland Kristin - - 2012
PURPOSE: We describe exercise level in mid-pregnancy, associated sociodemographic variables, and investigate the association between exercise in mid-pregnancy and subsequent low-back pain, pelvic girdle pain and depression at 32 weeks of pregnancy. MATERIAL AND METHODS: The study included 3482 pregnant women participating in the Akershus Birth Cohort study (response rate ...
Tierney Marie - - 2012
OBJECTIVES: The aim of the present study was to qualitatively explore users' experiences of home monitoring of health with specific regard to physical activity monitors. METHODS: Fourteen participants were randomly selected from a larger sample of individuals with rheumatoid arthritis (RA) who had taken part in a physical activity monitoring ...
McNamara Adrienne J - - 2012
OBJECTIVE: Community-based exercise programs are popular for obtaining physical activity among older adults, but the amount of physical activity obtained through such programs is unknown. This study quantified the bone loading forces and levels of cardiovascular activity associated with participation in Better Bones and Balance (BBB), a community based fall ...
Shinoda Norihiro - - 2012
Background: Heart rate recovery (HRR) is related to autonomic function and is a prognostic marker in cardiovascular disease. We sought to investigate the clinical utility of HRR in addition to BNP levels in ambulatory outpatients with nonischemic dilated cardiomyopathy (NICM). Methods: Seventy-nine NICM outpatients were followed for a mean of ...
Lahiri Marc K - - 2012
There is a heightened risk of sudden cardiac death related to exercise and the postexercise recovery period, but the precise mechanism is unknown. We have demonstrated that sympathoexcitation persists for ≥45 minutes after exercise in normals and subjects with coronary artery disease (CAD). The purpose of this study is to ...
Maeder Micha T - - 2012
The cardiopulmonary exercise testing (CPET) response in heart failure with preserved left ventricular ejection fraction (HFPEF) is incompletely understood. We aimed to describe the CPET response in HFPEF and to assess its invasive hemodynamic determinants. Ten patients with HFPEF and 8 asymptomatic controls underwent resting and exercise right heart catheterization ...
Bertheussen Gro F - - 2012
Aim. The aim was to assess feasibility of a 3 + 1 week inpatient rehabilitation program for cancer survivors, to explore characteristics of the attending participants and examine changes in work status, symptoms and functioning, level of fatigue, exercise and physical performance following rehabilitation. Methods. This was an open intervention study involving ...
de Souto Barreto Philipe - - 2012
BACKGROUND: Participation bias in exercise studies is poorly understood among older adults. This study was aimed at looking into whether older persons who volunteer to participate in an exercise study differ from non-volunteers. METHODS: A self-reported questionnaire on physical activity and general health was mailed out to 1000 persons, aged ...
Grimaldi Antonio - - 2012
The study aim was to assess if an undersized mitral annuloplasty for functional mitral regurgitation (FMR) in dilated cardiomyopathy can determine a clinically relevant mitral stenosis during exercise. Both, rest and stress echocardiography were performed in 12 patients submitted to an undersized ring annuloplasty for FMR in dilated cardiomyopathy. The ...
Patil Harshal R - - 2012
A daily routine of physical activity is highly beneficial in the prevention and treatment of many prevalent chronic diseases, especially of the cardiovascular (CV) system. However, chronic, excessive sustained endurance exercise may cause adverse structural remodeling of the heart and large arteries. An evolving body of data indicates that chronically ...
Erdem Sevcan - - 2012
The aim of this study was to evaluate the mid-term clinical status of patients following tetralogy of Fallot (TOF) repair. We performed a cross-sectional observational analysis of 57 postoperative TOF patients and 58 age-matched controls. Patients were examined with myocardial performance index (MPI), which was obtained by tissue Doppler imaging ...
Kasawara Karina Tamy - - 2012
Exercise and physical activity have been studied and suggested as a way to reduce or minimize the effects of preeclampsia. Our aim was to evaluate the association between exercise and/or physical activity and occurrence of preeclampsia. We conducted electronic searches without year of publication and language limitations. This was a ...
Kim Jung-Ha - - 2012
OBJECTIVE: It has been reported that women benefit from the maintenance of telomere length by estrogen. Exercise may favorably influence telomere length, although results are inconsistent regarding the duration and type of exercise and the cell type used to measure telomere length. The purpose of this study was to investigate ...
Coler Clark - - 2012
We report a case of critical exercise-associated hyponatremia in an 85-year-old man, an experienced hiker, during an overnight trek through Yosemite National Park. His medical history was significant for mild renal insufficiency, diastolic dysfunction, and pulmonary hypertension. He was taking a thiazide diuretic (hydrochlorothiazide), without a prior history of an ...
Hansen James E - - 2012
The complexity of cardiopulmonary exercise testing data and their displays tends to make assessment of patients, including those with heart failure, time consuming. We postulated that a new single display that uses concurrent values of oxygen uptake / ventilation versus carbon dioxide output / ventilation ratios ([Formula: see text]-versus-[Formula: see ...
Lorenzo Santiago - - 2012
Although it has been reported that the work of breathing may be higher in women, inconsistencies among studies leaves this important question unresolved. Also, the association between the oxygen cost of breathing and rating of perceived breathlessness (RPB) during exercise has not been examined between women and men. This study ...
Eriksson K - - 2012
Background: As physical activity reduces cardiovascular disease (CVD) in the general population, studies concerning the frequency of physical activity in patients with systemic lupus erythematosus (SLE) are needed. Earlier studies indicate that patients with SLE are physically inactive but there are few studies that compare physical activity in SLE to ...
Hayashi Daniela - - 2012
Balance impairs with aging and may cause mobility limitations and functional decline. We aimed to evaluate postural balance and PADL in physically independent older adults with different levels of exercise capacity. One hundred fifty seven physically independent individuals, aged 60 years or older were evaluated. Postural balance assessment was performed ...
Feijó Denise - - 2012
The purpose of this study was to estimate the prevalence of suspected cases of common mental disorders (CMD) on Brazilian civil aviation pilots and to investigate associations between CMD, demographics, and labor variables. A quantitative cross-sectional study was conducted on 807 working pilots between October 2009 and October 2010 using ...
Nes Bjarne M - - 2012
PURPOSE: To examine how different approaches of the current exercise recommendations for adults associates with VO2peak in a large healthy population. We further examined how a lower duration than recommended, if performed at very vigorous intensity, was related to VO2peak. METHODS: A total of 4631 healthy adults aged 19-89 years ...
Mutlu B B Istanbul Physical Medicine and Rehabilitation Training Hospital, Bahçelievler, Istanbul, Turkey. - - 2013
The aim of this study was to investigate the results of a supervised exercise with transcutaneous electrical nerve stimulation (TENS) in an exercise controlled study in women with fibromyalgia. Sixty-six women with fibromyalgia who admitted to the outpatient clinic of our hospital were randomized into two treatment groups. The patients ...
Moore David J - - 2012
Leg exercise hemodynamics during single-leg knee extensions were compared among healthy groups of early perimenopausal (n = 15), late perimenopausal (n = 12), and early postmenopausal (n = 11) women. Femoral blood flow (FBF) and vascular conductance (FVC) at rest and during very light work rates (0 and 5 W) ...
To William W K - - 2012
To evaluate whether bone mineral density (BMD) changes in women engaged in active exercises during pregnancy would be different from non-exercising women. Consecutive patients with singleton pregnancies who were engaged in active exercise training during pregnancy were prospectively recruited over a period of 6 months. Quantitative USG measurements of the ...
Coiro V - - 2012
In the present study, we have evaluated whether physical exercise affect low osteocalcin concentrations observed in patients with subclinical hypercortisolism. Sixteen patients (10 men and 6 women, age 38-55 yr) with adrenal incidentaloma were studied. Fifteen healthy volunteers matched for age (range 35-47 yr) were used as controls. Subjects were ...
Parashar Rachna - - 2012
Impedance Cardiography (ICG) is a non invasive method useful for continuous monitoring of cardiac output but, it still has not found wide usage for measuring cardiac output in clinics and research. Most studies focused on comparing the cardiac output measured at rest with reference methods. In the present study we ...
Pritchett Allison M - - 2012
OBJECTIVE: There is a paucity of data regarding intentional weight loss in obese heart failure patients. This study sought to ascertain the safety and effectiveness of a lifestyle modification program in patients with systolic heart failure and metabolic syndrome. METHODS: Patients (n=20) with systolic heart failure (ejection fraction < 50%) ...
Buys Roselien - - 2012
Patients with Mustard/Senning repair for transposition of the great arteries (d-TGA) have an impaired exercise capacity, but information about physical activity levels is scarce. The aim of the study was to come to a better understanding of the interrelationships between determinants of exercise capacity, physical activity and self-perceived health status. ...
Ristow Michael - - 2012
Interview with Michael Ristow on his highly cited paper on his highly cited paper: Ristow M, Zarse K, Oberbach A, Klöting N, Birringer M, Kiehntopf M, Stumvoll M, Kahn CR, Bl?her M. "Antioxidants prevent health-promoting effects of physical exercise in humans". Proc Natl Acad Sci U S A. 2009 May ...
Aaltonen S - - 2012
Long-term persistent physical activity is important in the prevention of chronic diseases, but a large number of people do not participate in physical activity to obtain health benefits. The purpose of this study was to examine the motives and perceived barriers to long-term engagement in leisure time physical activity. Same-sex ...
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