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Exercise electrocardiography

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https://www.readbyqxmd.com/read/28145667/acute-coronary-syndrome-diagnostic-evaluation
#1
Craig Barstow, Matthew Rice, Jonathan D McDivitt
Myocardial infarction (MI), a subset of acute coronary syndrome, is damage to the cardiac muscle as evidenced by elevated cardiac troponin levels in the setting of acute ischemia. Coronary artery disease is the leading cause of mortality in the United States. Chest pain is a common presentation in patients with MI; however, there are multiple noncardiac causes of chest pain, and the diagnosis cannot always be made based on initial presentation. The assessment of a possible MI includes evaluation of risk factors and presenting signs and symptoms, rapid electrocardiography, and serum cardiac troponin measurements...
February 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28123150/three-dimensional-left-ventricular-torsion-in-patients-with-dilated-cardiomyopathy%C3%A3-a-marker-of-disease-severity
#2
Krunoslav Michael Sveric, Stefan Ulbrich, Mohamed Rady, Tobias Ruf, Heda Kvakan, Ruth H Strasser, Stefanie Jellinghaus
BACKGROUND: LV twist has a key role in maintaining left ventricular (LV) contractility during exercise. The purpose of this study was to investigate LV torsion instead of twist as a surrogate marker of peak oxygen uptake (peak V̇O2) assessed by cardiopulmonary exercise testing (CPET) in patients with non-ischemic dilated cardiomyopathy (DCM).Methods and Results:We evaluated 45 outpatients with DCM (50±12 years, 24% females) with 3D speckle-tracking electrocardiography prior to CPET...
January 24, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28115916/pro-coagulant-activity-during-exercise-testing-in-patients-with-coronary-artery-disease
#3
Joanna Cwikiel, Ingebjorg Seljeflot, Eivind Berge, Harald Arnesen, Kristian Wachtell, Hilde Ulsaker, Arnljot Flaa
BACKGROUND: Strenuous exercise may trigger myocardial infarction through increased pro-coagulant activity. We aimed to investigate whether patients referred for exercise testing, who were found to have angiographically verified coronary artery disease (CAD), have a more hypercoagulable profile during exercise testing than those without CAD. METHODS: Patients with symptoms of stable CAD were examined with exercise electrocardiography on bicycle ergometer. Venous blood samples were taken at rest and within 5 min after end of exercise...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28100344/-recurrent-syncope-related-to-catecholaminergic-polymorphic-ventricular-tachycardia-due-to-de-novo-ryr2-r2401h-mutation
#4
X Liu, J X Li, J Z Hu, Y Shen, R Wan, Q M Xiong, Q Q Zhou, J Y Xie, J J Jin, X Yan, J H Yu, K Hong
Objective: To explore the clinical and molecular genetic features of a Chinese patient with catecholaminergic polymorphic ventricular tachycardia (CPVT). Methods: Clinical data including resting electrocardiography, echocardiography and treadmill exercise testing of a patient with CPVT admitted to our department in March 2013 were analyzed, and the peripheral venous blood samples of the patient and his family members and 400 ethnicity-matched healthy controls were obtained. All exons and exon-intron boundaries of the six CPVT-related genes including RYR2, CASQ2, TRDN, CALM1, KCNJ2 and ANKB were sequenced to detect the variants related to CPVT...
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28012557/exercise-testing-for-long-term-follow-up-in-arrhythmogenic-right-ventricular-cardiomyopathy
#5
Daniel Karlsson, Jan Engvall, Agota Alfoldine Ando, Meriam Åström Aneq
OBJECTIVES: We investigated arrhythmia, electrocardiography and physical work capacity (PWC) in the follow-up of ARVC. DESIGN: Twenty-three patients (13 men; age 41±12years) fulfilling diagnostic criteria were re-investigated after at least five years. RESULTS: Ventricular arrhythmia during exercise testing (ET) was present in 14 patients (61%) and showed variation between examinations. In eleven (48%), complex ventricular ectopic activity was observed at peak exercise or immediately thereafter...
October 28, 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27987574/-new-choosing-wisely-recommendations-of-inappropriate-interventions-the-perspective-of-general-practioners-in-switzerland
#6
Stefan Neuner-Jehle, Oliver Senn, Thomas Rosemann
AIM: As part of the "Choosing wisely" campaign expert-driven recommendations of inappropriate interventions which lead to overdiagnosis and overtreatment are being published. The aim of our work was to describe an innovative method for developing recommendations together with general practitioners (GPs) and to compare the results with the "Choosing wisely" campaign lists as well as with the Swiss "Smarter medicine" shortlist. METHODS: We asked 109 GPs who attended a medical education conference to form groups (of 5 to 7 GPs each) and develop three interventions that are relevant to their work and should be avoided...
December 2016: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/27898735/cognitive-dysfunction-and-malnutrition-are-independent-predictor-of-dysphagia-in-patients-with-acute-exacerbation-of-congestive-heart-failure
#7
Junichi Yokota, Yoshiko Ogawa, Shinsuke Yamanaka, Yoshimi Takahashi, Hiroshi Fujita, Nobuhiro Yamaguchi, Noriko Onoue, Takeshi Ishizuka, Tsuyoshi Shinozaki, Masahiro Kohzuki
Early detection and intervention for dysphagia is important in patients with congestive heart failure (CHF). However, previous studies have focused on how many patients with dysphagia develop CHF. Studies focusing on the comorbidity of dysphagia in patients with CHF are rare. Additionally, risk factors for dysphagia in patients with CHF are unclear. Thus, the aim of this study was to clarify risk factors for dysphagia in patients with acute exacerbation of CHF. A total of 105 patients, who were admitted with acute exacerbation of CHF, were enrolled...
2016: PloS One
https://www.readbyqxmd.com/read/27882733/anomalous-origin-of-the-right-coronary-artery-first-familial-cases-in-asia
#8
Hideki Motomura, Mari Yokokawa, Hirofumi Fukunaga, Mari Nakagaki, Tomoyuki Hasuwa, Hiroyuki Moriuchi
Congenital coronary artery abnormalities may cause sudden death, particularly in athletes. Two siblings, aged 10 and 9 years, respectively, were diagnosed with anomalous origin of the right coronary artery on multi-detector computed tomography (MDCT). The right coronary artery arose from the left coronary cusp, and was wedged between the aorta and pulmonary artery. This was also noted on cardiac ultrasonography (UCG), but in general this might not be seen on electrocardiography at rest. Although the surgical indications are unclear in the case of unproven ischemia, early recognition of the condition may reduce risk of the cardiac events during exercise...
November 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27846640/cardiac-stress-test-trends-among-us-patients-younger-than-65-years-2005-2012
#9
Vinay Kini, Fenton H McCarthy, Elias Dayoub, Steven M Bradley, Frederick A Masoudi, P Michael Ho, Peter W Groeneveld
Importance: After a period of rapid growth, use of cardiac stress testing has recently decreased among Medicare beneficiaries and in a large integrated health system. However, it is not known whether declines in cardiac stress testing are universal or are confined to certain populations. Objective: To determine trends in rates of cardiac stress testing among a large and diverse cohort of commercially insured patients. Design, Setting, and Participants: A serial cross-sectional study with time trends was conducted using administrative claims from all members aged 25 to 64 years belonging to a large, national managed care company from January 1, 2005, to December 31, 2012...
December 1, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27758064/acute-effects-of-aerobic-exercise-intensity-on-arterial-stiffness-after-glucose-ingestion-in-young-men
#10
Ryota Kobayashi, Yuto Hashimoto, Hiroyuki Hatakeyama, Takanobu Okamoto
Arterial stiffness increases after glucose ingestion. Acute low- and moderate-intensity aerobic exercise decreases arterial stiffness. However, the acute effects of 30 min of cycling at low- and moderate-intensity [25% (LE trial) and 65% (ME trial) peak oxygen uptake, respectively] on arterial stiffness at 30, 60 and 120 min of a postexercise glucose ingestion. Ten healthy young men (age, 22·4 ± 0·5 years) performed LE and ME trials on separate days in a randomized controlled crossover fashion. Carotid-femoral (aortic) pulse wave velocity (PWV), femoral-ankle (leg) PWV, carotid augmentation index (AIx) and carotid blood pressure (BP) (applanation tonometry), brachial and ankle BP (oscillometric device), heart rate (HR) (electrocardiography), blood glucose (UV-hexokinase method) and blood insulin (CLEIA method) levels were measured at before (baseline) and at 30, 60 and 120 min after the 75-g OGTT...
October 18, 2016: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/27717538/non-invasive-assessment-of-low-and-intermediate-risk-patients-with-chest-pain
#11
REVIEW
Pelbreton C Balfour, Jorge A Gonzalez, Christopher M Kramer
Coronary artery disease (CAD) remains a significant global public health burden despite advancements in prevention and therapeutic strategies. Common non-invasive imaging modalities, anatomic and functional, are available for the assessment of patients with stable chest pain. Exercise electrocardiography is a long-standing method for evaluation for CAD and remains the initial test for the majority of patients who can exercise adequately with a baseline interpretable electrocardiogram. The addition of cardiac imaging to exercise testing provides incremental benefit for accurate diagnosis for CAD and is particularly useful in patients who are unable to exercise adequately and/or have uninterpretable electrocardiograms...
September 12, 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27695314/myocardial-performance-index-correlates-with-the-bode-index-and-affects-quality-of-life-in-copd-patients
#12
Daniela Graner Schuwartz Tannus-Silva, João Batista Masson-Silva, Lays Silva Ribeiro, Marcus Barreto Conde, Marcelo Fouad Rabahi
BACKGROUND AND OBJECTIVE: COPD, a systemic illness associated with the impairment of different organs, affects patient prognosis and quality of life. The aim of this study was to evaluate the association between right ventricle (RV) function, the BODE (body mass index, airflow obstruction, dyspnea, and exercise capacity) index (a multifunctional scale for the assessment of mortality risk), and quality of life in patients with COPD. METHODS: A cross-sectional study was carried out in 107 outpatients presenting with stable COPD who underwent clinical assessment, spirometry, arterial blood gas analyses, a 6-minute walk test, electrocardiography, and echocardiogram and who responded to the Saint George's Respiratory Questionnaire (SGRQ)...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27687883/independent-and-incremental-prognostic-value-of-exercise-stress-echocardiography-in-low-cardiovascular-risk-female-patients-with-chest-pain
#13
Sung-Ji Park, Seungmin Chung, Sung-A Chang, Jin-Oh Choi, Jin-Ho Choi, Sang-Chol Lee, Seung Woo Park
BACKGROUND: Exercise stress echocardiography (ESEcho) is sufficiently sensitive and has high enough specificity for the clinical detection of coronary artery disease (CAD) in women. However, there was little data about the ability of ESEcho to detect CAD and predict clinical outcomes in female patients with chest pain and low global cardiovascular (CV) risks. The purposes of this study were (1) to determine the diagnostic accuracy of ESEcho, (2) to evaluate the clinical outcomes of major cardiovascular outcome (MACE), and (3) to assess the incremental prognostic value of ESEcho for the prediction of MACE in Korean female patients with low CV risks...
January 2017: Echocardiography
https://www.readbyqxmd.com/read/27621774/rationale-and-design-of-the-cardiorespiratory-fitness-and-hospitalization-events-in-armed-forces-study-in-eastern-taiwan
#14
Gen-Min Lin, Yi-Hwei Li, Chung-Jen Lee, Jeng-Chuan Shiang, Ko-Huan Lin, Kai-Wen Chen, Yu-Jung Chen, Ching-Fen Wu, Been-Sheng Lin, Yun-Shun Yu, Felicia Lin, Fung-Ying Su, Chih-Hung Wang
AIM: To investigate the association between cardiorespiratory fitness and hospitalization events in a cohort of large voluntary arm forces in Taiwan. METHODS: The cardiorespiratory fitness and hospitalization events in armed forces (CHIEF) is a retrospective cohort consisting of more than 4000 professional military members aged 18-50 years in Eastern Taiwan. All participants received history taking, physical examination, chest radiography, 12-lead electrocardiography, blood tests for cell counts and fasting glucose, lipid profiles, uric acid, renal function and liver function in the Hualien Armed Forces General Hospital during 2014...
August 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27499958/diagnostic-performance-of-coronary-computed-tomography-angiography-versus-exercise-electrocardiography-for-coronary-artery-disease-a-systematic-review-and-meta-analysis
#15
Xinxin Yin, Jiali Wang, Wen Zheng, Jingjing Ma, Panpan Hao, Yuguo Chen
BACKGROUND: Both coronary computed tomography angiography (CCTA) and exercise electrocardiography (ExECG) are non-invasive testing methods for the evaluation of coronary artery disease (CAD). However, there was controversy on the diagnostic performance of these methods due to the limited data in each single study. Therefore, we performed a meta-analysis to address these issues. METHODS: We searched PubMed and Embase databases up to May 22, 2015. Two authors identified eligible studies, extracted data and accessed quality...
July 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27496187/pilot-study-of-safety-and-efficacy-of-polyprenols-in-combination-with-coenzyme-q10-in-patients-with-statin-induced-myopathy
#16
Gustavs Latkovskis, Vita Saripo, Emma Sokolova, Dana Upite, Ilona Vanaga, Ugis Kletnieks, Andrejs Erglis
BACKGROUND AND OBJECTIVE: Statin-induced myopathy (SIM) has been partially attributed to deficiency of dolichol and coenzyme Q10 (CoQ10). We aimed to test the safety and efficacy of plant polyprenols in combination with CoQ10 for alleviation of SIM. MATERIALS AND METHODS: In an open-label, one-center prospective pilot study patients with SIM received conifer-tree needle polyprenols (4mg/day) and CoQ10 (100mg/day) for 8 weeks. Symptoms and safety were evaluated according to symptom severity score (0-10), creatine kinase (CK) levels, exercise test, dynamometry, complete blood count, clinical biochemistry and electrocardiography...
2016: Medicina
https://www.readbyqxmd.com/read/27487345/evaluation-of-dogs-with-border-collie-collapse-including-response-to-two-standardized-strenuous-exercise-protocols
#17
Susan Taylor, Cindy Shmon, Lillian Su, Tasha Epp, Katie Minor, James Mickelson, Edward Patterson, G Diane Shelton
Clinical and metabolic variables were evaluated in 13 dogs with border collie collapse (BCC) before, during, and following completion of standardized strenuous exercise protocols. Six dogs participated in a ball-retrieving protocol, and seven dogs participated in a sheep-herding protocol. Findings were compared with 16 normal border collies participating in the same exercise protocols (11 retrieving, five herding). Twelve dogs with BCC developed abnormal mentation and/or an abnormal gait during evaluation. All dogs had post-exercise elevations in rectal temperature, pulse rate, arterial blood pH, PaO2, and lactate, and decreased PaCO2 and bicarbonate, as expected with strenuous exercise, but there were no significant differences between BCC dogs and normal dogs...
September 2016: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/27475811/short-term-cardioprotective-effects-of-the-original-perindopril-amlodipine-fixed-dose-combination-in-patients-with-stable-coronary-artery-disease-results-of-the-papa-cad-study
#18
Tamás Forster, Csaba András Dézsi
INTRODUCTION: Long-term therapy with a combination of perindopril and amlodipine has shown a beneficial effect on the morbidity and mortality of patients with stable coronary artery disease (SCAD) and hypertension. On the basis of the antiproliferative, antithrombotic, and antiatherogenic effects of the active substances, we initiated data collection to examine the short-term cardioprotective effect of perindopril/amlodipine fixed-dose combination therapy in this patient group. The aim of this study was to evaluate the effect of perindopril/amlodipine fixed-dose combination on the Canadian Cardiovascular Society (CCS) class and exercise capacity of patients with SCAD in everyday medical practice...
October 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27467388/prevalence-and-associated-clinical-characteristics-of-exercise-induced-st-segment-elevation-in-lead-avr
#19
James McKinney, Ian Pitcher, Christopher B Fordyce, Masoud Yousefi, Tee Joo Yeo, Andrew Ignaszewski, Saul Isserow, Sammy Chan, Krishnan Ramanathan, Carolyn M Taylor
BACKGROUND: Exercise-induced ST-segment elevation (STE) in lead aVR may be an important indicator of prognostically important coronary artery disease (CAD). However, the prevalence and associated clinical features of exercise-induced STE in lead aVR among consecutive patients referred for exercise stress electrocardiography (ExECG) is unknown. METHODS: All consecutive patients receiving a Bruce protocol ExECG for the diagnosis of CAD at a tertiary care academic center were included over a two-year period...
2016: PloS One
https://www.readbyqxmd.com/read/27427325/supplemental-oxygen-during-high-intensity-exercise-training-in-nonhypoxemic-copd
#20
Daniel Neunhäuserer, Eva Steidle-Kloc, Gertraud Weiss, Bernhard Kaiser, David Niederseer, Sylvia Hartl, Marcus Tschentscher, Andreas Egger, Martin Schönfelder, Bernd Lamprecht, Michael Studnicka, Josef Niebauer
BACKGROUND: Physical exercise training is an evidence-based treatment in chronic obstructive pulmonary disease (COPD), and patients' peak work rate is associated with reduced COPD mortality. We assessed whether supplemental oxygen during exercise training in nonhypoxemic COPD patients might lead to superior training outcomes, including improved peak work rate. METHODS: This was a randomized, double-blind, controlled, crossover trial. Twenty-nine COPD patients (63...
July 14, 2016: American Journal of Medicine
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