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exercise after myocardial infarction

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https://www.readbyqxmd.com/read/29287973/myocardial-infarction-with-non-obstructive-coronary-arteries-the-importance-of-achieving-secondary-prevention-targets
#1
K M Eggers, N Hadziosmanovic, T Baron, K Hambraeus, T Jernberg, A Nordenskjöld, P Tornvall, B Lindahl
BACKGROUND: Around 5-10% of all myocardial infarction patients have non-obstructive coronary arteries. Studies investigating the importance of follow-up and achievement of conventional secondary prevention targets in these patients are lacking. METHODS: In this analysis from the SWEDEHEART registry, we investigated 5830 myocardial infarction patients with non-obstructive coronary arteries (group 1) and 54,637 myocardial infarction patients with significant coronary artery disease (≥50% stenosis; group 2)...
December 26, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/29273887/post-myocardial-infarction-exercise-training-beneficially-regulates-thyroid-hormone-receptor-isoforms
#2
Xiaohua Xu, Wenhan Wan, Michael A Garza, John Q Zhang
Thyroid hormone receptors (TRs) play a critical role in the expression of genes that are major determinants of myocardial contractility, including α-myosin heavy chain (α-MHC) and β-MHC. After myocardial infarction (MI), changes in myocardial TRs consistently correlate with changes in thyroid hormone (TH) target gene transcription, and this is thought to play a key role in the progression to end-stage heart failure. Interestingly, post-MI exercise training has been shown to beneficially alter TH-target gene transcription and preserve cardiac function without changing serum TH...
December 22, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29237243/exercise-related-severe-cardiac-events
#3
Lourdes Vicent, Albert Ariza-Solé, José Ramón González-Juanatey, Aitor Uribarri, José Ortiz, Esteban López de Sá, Jordi Sans-Roselló, Carlos Tomás Querol, Pau Codina, Iago Sousa-Casasnovas, Manuel Martínez-Sellés
BACKGROUND: Physical activity has benefits on health. However, there is a small risk of effort-related adverse events. The aim of this study is to describe exercise-related severe cardiovascular events and to relate them with the type of sport performed. METHODS: Ten-year retrospective study in 8 Spanish cardiac intensive care units. Adverse cardiac events were defined as acute myocardial infarction, cardiac arrest, or syncope related to physical activity. RESULTS: From 117 patients included, 109 were male (93...
December 13, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29222074/changes-of-oxygen-consumption-and-heart-rate-after-acute-myocardial-infarction-during-6-month-follow-up
#4
Yuri Choe, Jae-Young Han, In-Sung Choi, Hyeng-Kyu Park
BACKGROUND: Exercise intensity is a particularly important determinant of physiological responses to exercise training in patients with acute myocardial infarction. Heart rate (HR) is commonly used as a practical way of prescribing and monitoring exercise as specific intensities based on linear relationship between the percentage of maximum heart rate (%HRmax) and the percentage of maximum oxygen consumption (%VO2max) regardless of age, sex or exercise mode. OBJECTIVE: To examine the change in variability in the correlation between %HRmax and %VO2maxafter acute myocardial infarction...
December 5, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29189334/considerations-in-the-care-of-athletes-with-attention-deficit-hyperactivity-disorder
#5
George G A Pujalte, Jennifer R Maynard, McKennan J Thurston, Walter C Taylor, Mohit Chauhan
OBJECTIVES: Uncover literature pertaining to: (1) attention deficit hyperactivity disorder (ADHD) and how it impacts athletes; (2) ADHD medication effects; (3) regulations regarding ADHD medications; (4) approaches to conditions similar to, and occurring with, ADHD; and (5) use of stimulants. DATA SOURCES: MEDLINE, Embase, PsycINFO, Cochrane Database of Systematic Reviews, Ovid interface. MAIN RESULTS: ADHD can have many effects on athletes and sports participation...
November 20, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29119294/predictors-of-improvements-in-exercise-capacity-during-cardiac-rehabilitation-in-the-recovery-phase-after-coronary-artery-bypass-graft-surgery-versus-acute-myocardial-infarction
#6
Yuji Suzuki, Kenichi Ito, Kazuya Yamamoto, Noriyuki Fukui, Hidetoshi Yanagi, Kazufumi Kitagaki, Harumi Konishi, Tetsuo Arakawa, Michio Nakanishi, Yoichi Goto
This study aimed to elucidate the predictors of improvements in exercise capacity during cardiac rehabilitation (CR) in the recovery phase after coronary artery bypass graft surgery (CABG) versus acute myocardial infarction (AMI). We studied 152 patients (91 after AMI and 61 after CABG) who participated in a 3-month CR program. All patients underwent a cardiopulmonary exercise test, blood tests, maximal quadriceps isometric strength (QIS) measurement, and bioelectrical impedance body composition measurement at the beginning and end of the 3-month CR program...
November 8, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29118882/association-of-heart-rate-recovery-with-microalbuminuria-in-non-obstructive-coronary-artery-disease
#7
Mustafa Yurtdas, Mahmut Ozdemir, Nesim Aladag, Yalin Tolga Yaylali
Background: Non-obstructive coronary artery disease (CAD) is associated with significantly increased risk for myocardial infarction. Heart rate recovery (HRR), a measure of autonomic function, is a strong predictor of all-cause mortality. Microalbuminuria, a marker of early arterial disease, is an independent risk factor for cardiovascular disease and mortality. We aimed to investigate HRR and determine its relationship with microalbuminuria in patients with non-obstructive CAD. Methods: We prospectively studied 565 patients who underwent elective coronary angiography...
October 2017: Cardiology Research
https://www.readbyqxmd.com/read/29116618/treatment-of-stable-angina-with-a-new-fixed-dose-combination-of-ivabradine-and-metoprolol-effectiveness-and-tolerability-in-routine-clinical-practice
#8
Dimitar Divchev, Georg Stöckl
INTRODUCTION: In this prospective, multicenter, observational cohort study, the effectiveness and tolerability of the first fixed-dose combination (FDC) formulation of the selective heart rate reducing agent ivabradine and the beta-blocker metoprolol was evaluated in stable angina pectoris (AP) patients in a clinical practice setting. METHODS: Stable AP outpatients received a FDC of ivabradine and metoprolol (b.i.d.) for 4 months, in addition to cardiovascular standard therapy...
December 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/29116562/prediction-of-long-term-%C3%A2-10%C3%A2-year-cardiovascular-outcomes-in-heart-transplant-recipients-value-of-stress-technetium-99m-tetrofosmin-myocardial-perfusion-imaging
#9
Jesse F Veenis, Hendrik J Boiten, Jan C van den Berge, Kadir Caliskan, Alex P W M Maat, Roelf Valkema, Alina A Constantinescu, Olivier C Manintveld, Felix Zijlstra, Ron T van Domburg, Arend F L Schinkel
BACKGROUND: Myocardial perfusion imaging (MPI) using single-photon emission computed tomography (SPECT) is useful in the evaluation of cardiac allograft vasculopathy (CAV) in heart transplant (HTx) recipients. The current study evaluated the long-term prognostic value of stress SPECT MPI for predicting all-cause mortality and cardiac events in HTx recipients. METHODS: The study population consisted of 166 HTx recipients (mean age 54 ± 10 years, 84% male) who underwent exercise or dobutamine stress (99m)Tc-tetrofosmin SPECT MPI for the assessment of CAV...
November 7, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29107010/combining-high-sensitivity-cardiac-troponin-and-b-type-natriuretic-peptide-in-the-detection-of-inducible-myocardial-ischemia
#10
Christian Puelacher, Max Wagener, Ursina Honegger, Mustafa Assadian, Nicolas Schaerli, Deborah Mueller, Ivo Strebel, Raphael Twerenbold, Jasper Boeddinghaus, Thomas Nestelberger, Karin Wildi, Zaid Sabti, Lorraine Sazgary, Patrick Badertscher, Jeanne du Fay de Lavallaz, Stella Marbot, Christoph Kaiser, Damian Wild, Michael J Zellweger, Tobias Reichlin, Christian Mueller
BACKGROUND: Single biomarker approaches provide only moderate accuracy in the non-invasive detection of exercise-induced myocardial ischemia. We therefore assessed the combination of the two most promising single biomarkers: high-sensitivity cardiac troponin I (hs-cTnI) and B-type natriuretic peptide (BNP). METHODS: Consecutive patients with suspected myocardial ischemia referred to stress myocardial perfusion single-photon emission tomography imaging (MPI) were enrolled...
November 8, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/29101147/protocol-for-the-happy-hearts-study-cardiovascular-screening-for-the-early-detection-of-future-adverse-cardiovascular-outcomes-in-middle-aged-and-older-women-a-prospective-observational-cohort-study
#11
Kevin F Boreskie, D Scott Kehler, Eduardo C Costa, Pedro C Cortez, Ivan Berkowitz, Naomi C Hamm, Teri L Moffatt, Andrew N Stammers, Dustin E Kimber, Brett M Hiebert, David E Kent, Denise E Cornish, Heather Blewett, Thang Nguyen, Rakesh C Arora, Shaelyn M Strachan, Brittany N Semenchuk, Jacqueline L Hay, Jay N Cohn, Todd A Duhamel
INTRODUCTION: Efforts to identify individuals at a higher risk for adverse cardiovascular outcomes focus on traditional risk factors, such as age, sex, smoking status, blood pressure and and cholesterol; however, this approach does not directly assess cardiovascular function and may underestimate the risk of experiencing adverse cardiovascular outcomes in women. This prospective, observational cohort study will examine the ability of the Heart Attack Prevention Program for You (HAPPY) Hearts screening protocol, a series of non-invasive procedures to identify middle-aged and older women who are at an elevated risk for experiencing an adverse cardiovascular event in the 5-year period after screening...
November 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/29096906/-exercise-induced-coronary-thrombosis
#12
A Sghaier, S Milouchi, L Ghannem, L Ghannem, M Ghannem
Heavy exertion as a trigger of cardiac events has been known since antiquity as it was already described in 492 BC in the famous Athens Marathon. Myocardial infarction occurring after physical exertion accounts for about 4% of myocardial infarctions. It is more common in men and younger patients. It usually occurs during intense efforts and especially in inactive people with multiple risk factors. It would be more severe with more frequent Q waves of necrosis on the victims' electrocardiograms, with greater troponin release and a more raised GRACE score...
October 30, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29067073/impact-of-stent-length-and-diameter-on-short-term-clinical-outcomes-of-drug-eluting-stents-in-patients-with-stable-coronary-artery-disease
#13
Yasir Adnan, Lubna Noor, Muhammad Habeel Dar, Umair Ali, Muhammad Hafizullah
BACKGROUND & OBJECTIVE: The risk of restenosis and other adverse cardiovascular events with bare-metal stents have increased with smaller stent diameters and longer stent lengths. However, the exact impact of stent size on the short-term outcomes of drug-eluting stent (DES) implantations has not been much classified in Pakistani population. This study was designed to evaluate the impact of size (length and diameter) of Drug Eluting Stents on Clinical outcomes in patient with stable coronary artery disease at three months of implantation in Pakistani Population...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29059640/assessment-of-release-factors-of-b-type-natriuretic-peptide-during-the-exercise-test-in-patients-with-diabetes-and-after-myocardial-infarction-with-preserved-left-ventricular-systolic-function
#14
Alicja Magdalena Stępień-Wałek, Jacek Owczarek, Beata Wożakowska-Kapłon
INTRODUCTION: The increased concentration of B-type natriuretic peptide (BNP) is an expression of overload of the heart, regardless of the cause. Exercise test is a helpful method of assessing the exercise tolerance and myocardial ischemia. THE AIM: The aim of the study is to determine the factors that cause the release of BNP during the exercise test. MATERIAL AND METHODS: The study included 99 patients with diabetes and after myocardial infarction with preserved left ventricular ejection fraction (EF≥40%)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29022263/cardiac-ischemia-reperfusion-injury-the-beneficial-effects-of-exercise
#15
Juliana Pereira Borges, Karine da Silva Verdoorn
Cardiac ischemia reperfusion injury (IRI) occurs when the myocardium is revascularized after an episode of limited or absent blood supply. Many changes, including free radical production, calcium overload, protease activation, altered membrane lipids and leukocyte activation, contribute to IRI-induced myocardium damage. Aerobic exercise is the only countermeasure against IRI that can be sustained on a regular basis in clinical practice. Interestingly, both short-term (3-5 days) and long-term (several weeks) exercise increase myocardial tolerance, reduce infarct size area and arrhythmias induced by IRI...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29022262/myocardial-infarction-and-exercise-training-evidence-from-basic-science
#16
Ivana C Moraes-Silva, Bruno Rodrigues, Hélio J Coelho-Junior, Daniele Jardim Feriani, Maria-Claudia Irigoyen
In 2016, cardiovascular disease remains the first cause of mortality worldwide [1]. Coronary artery disease, which is the most important precursor of myocardial infarction (MI), is the main component of total cardiovascular mortality, being responsible for approximately seven million of deaths [1]. In approximately 20% of infarcted patients, MI is recurrent in the first year after the event [2]. Moreover, among cardiovascular disease, coronary artery disease accounts for the most increased index of life years lost due to morbidity and/or mortality [1]...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29021268/tai-chi-is-a-promising-exercise-option-for-patients-with-coronary-heart-disease-declining-cardiac-rehabilitation
#17
Elena Salmoirago-Blotcher, Peter M Wayne, Shira Dunsiger, Julie Krol, Christopher Breault, Beth C Bock, Wen-Chih Wu, Gloria Y Yeh
BACKGROUND: More than 60% of patients decline participation in cardiac rehabilitation after a myocardial infarction. Options to improve physical activity (PA) and other risk factors in these high-risk individuals are limited. We conducted a phase 2 randomized controlled trial to determine feasibility, safety, acceptability, and estimates of effect of tai chi on PA, fitness, weight, and quality of life. METHODS AND RESULTS: Patients with coronary heart disease declining cardiac rehabilitation enrollment were randomized to a "LITE" (2 sessions/week for 12 weeks) or to a "PLUS" (3 sessions/week for 12 weeks, then maintenance classes for 12 additional weeks) condition...
October 11, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28986358/pulmonary-vasodilation-by-phosphodiesterase-5-inhibition-is-enhanced-and-nitric-oxide-independent-in-early-pulmonary-hypertension-after-myocardial-infarction
#18
Richard W B van Duin, Birgit Houweling, Andre Uitterdijk, Dirk J Duncker, Daphne Merkus
Myocardial infarction (MI) may result in pulmonary hypertension (PH). Inhibition of phosphodiesterase 5 (PDE5), the enzyme responsible for the breakdown of cGMP in vascular smooth muscle, has become part of the contemporary therapeutic armamentarium for pulmonary arterial hypertension and may also be of benefit in PH secondary to MI. Nitric oxide (NO) is an important source of cGMP and can be enhanced in early PH and decreased in severe PH. In the present study we investigated if PDE5-inhibition ameliorates pulmonary hemodynamics in swine with PH secondary to MI and whether NO is essential...
October 6, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28958324/physical-activity-and-mortality-in-patients-with-stable-coronary-heart-disease
#19
RANDOMIZED CONTROLLED TRIAL
Ralph A H Stewart, Claes Held, Nermin Hadziosmanovic, Paul W Armstrong, Christopher P Cannon, Christopher B Granger, Emil Hagström, Judith S Hochman, Wolfgang Koenig, Eva Lonn, José C Nicolau, Philippe Gabriel Steg, Ola Vedin, Lars Wallentin, Harvey D White
BACKGROUND: Recommendations for physical activity in patients with stable coronary heart disease (CHD) are based on modest evidence. OBJECTIVES: The authors analyzed the association between self-reported exercise and mortality in patients with stable CHD. METHODS: A total of 15,486 patients from 39 countries with stable CHD who participated in the STABILITY (Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy) study completed questions at baseline on hours spent each week taking mild, moderate, and vigorous exercise...
October 3, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28939262/exercise-training-improves-the-il-10-tnf-%C3%AE-cytokine-balance-in-the-gastrocnemius-of-rats-with-heart-failure
#20
Leonardo Calegari, Ramiro B Nunes, Bruna B Mozzaquattro, Douglas D Rossato, Pedro Dal Lago
OBJECTIVE: This study examined the effects of exercise training (ExT) upon concentration of tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6) and interleukin-10 (IL-10) in the gastrocnemius of rats with heart failure (HF) induced by left coronary artery ligation. METHODS: Adult male Wistar rats submitted to myocardial infarction (MI) or sham surgery were randomly allocated into one of four experimental groups: trained HF (Tr-HF), sedentary HF (Sed-HF), trained sham (Tr-Sham) and sedentary sham (Sed-Sham)...
September 7, 2017: Brazilian Journal of Physical Therapy
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