Research Topics
| Willem J KopSummaryAffiliation: Uniformed Services University of the Health Sciences Country: USA Publications
| Collaborators
|
Detail Information
Publications
The role of immune system parameters in the relationship between depression and coronary artery diseaseWillem J Kop
Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
Psychosom Med 67:S37-41. 2005....
Social network and coronary artery calcification in asymptomatic individualsWillem J Kop
Department of Medical and Clinical Psychology, Uniformed Services University, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
Psychosom Med 67:343-52. 2005..Psychosocial factors are associated with the development of coronary artery disease. However, studies examining psychosocial factors as risk indicators for coronary artery calcification (CAC) have been inconclusive...
Ambulatory monitoring of physical activity and symptoms in fibromyalgia and chronic fatigue syndromeWillem J Kop
Department of Medical and Clinical Psychology, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
Arthritis Rheum 52:296-303. 2005....
Effects of acute mental stress and exercise on T-wave alternans in patients with implantable cardioverter defibrillators and controlsWillem J Kop
Department of Medical and Clinical Psychology, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814, USA
Circulation 109:1864-9. 2004..Exercise-induced T-wave alternans (TWA) is an established marker of cardiac electrical instability. However, the effects of acute mental stress on TWA have not been investigated as a vulnerability marker in humans...
QT variability during rest and exercise in patients with implantable cardioverter defibrillators and healthy controlsMark C Haigney
Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
Ann Noninvasive Electrocardiol 14:40-9. 2009..The relation between QTVI and arrhythmic vulnerability markers such as T-wave alternans (TWA) has also not been studied. This study examined the effects of exercise on QTVI and TWA in patients with arrhythmic vulnerability...
Mental stress hemodynamic responses and myocardial ischemia: does left ventricular dysfunction alter these relationships?Sari D Holmes
Uniformed Services University of the Health Sciences, Department of Medical and Clinical Psychology, Bethesda, MD 20814, USA
Psychosom Med 69:495-500. 2007..To assess if mental stress hemodynamic responses are impaired and related to mental stress (MS) ischemia in patients with left ventricular (LV) dysfunction...
Association between symptoms of depression and anxiety with heart rate variability in patients with implantable cardioverter defibrillatorsJennifer L Francis
Department Medical and Clinical Psychology, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
Psychosom Med 71:821-7. 2009..Depression and anxiety are associated with autonomic nervous system dysfunction, which may promote the risk of malignant cardiac arrhythmias...
Heart rate variability as a predictor of negative mood symptoms induced by exercise withdrawalAli A Weinstein
Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
Med Sci Sports Exerc 39:735-41. 2007..This investigation examined whether the autonomic nervous system (ANS) serves a role in the development of negative mood after controlled exercise withdrawal...
The integration of cardiovascular behavioral medicine and psychoneuroimmunology: new developments based on converging research fieldsWillem J Kop
Department of Medical and Clinical Psychology, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
Brain Behav Immun 17:233-7. 2003..g., mental stress and anger) can promote myocardial ischemia and plaque rupture. The psychoneuroimmunological pathways are described for each of these three types of psychological risk factors for acute coronary syndromes...
Risk factors for myocardial infarction during vacation travelWillem J Kop
Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814 4799, USA
Psychosom Med 65:396-401. 2003..Vacation activities include physical and emotional triggers for myocardial infarction (MI). This study examines characteristics of vacation travel as risk factors for MI...
Depressive mood symptoms and fatigue after exercise withdrawal: the potential role of decreased fitnessAli A Berlin
Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
Psychosom Med 68:224-30. 2006..The present prospective study examines whether withdrawal of regular aerobic activity provokes depressive mood symptoms and fatigue, and to what extent reductions in fitness levels contribute to the development of these symptoms...
Inflammation and coagulation factors in persons > 65 years of age with symptoms of depression but without evidence of myocardial ischemiaWillem J Kop
Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814, USA
Am J Cardiol 89:419-24. 2002..Thus, depression and exhaustion are associated with low-grade inflammation and elevated coagulation factors in persons aged > 65 years...
Individual and combined impacts of biomechanical and work organization factors in work-related musculoskeletal symptomsGrant D Huang
Department of Preventive Medicine and Biometrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814, USA
Am J Ind Med 43:495-506. 2003..However, the nature of any interactive effects is not well understood...
Low-carbohydrate/high-fat diet attenuates pressure overload-induced ventricular remodeling and dysfunctionMonika K Duda
Division of Cardiology, Department of Medicine, University of Maryland, Baltimore, Maryland 21201, USA
J Card Fail 14:327-35. 2008..We hypothesized that a low-carbohydrate/high-fat diet prevents LV hypertrophy and dysfunction compared with high-carbohydrate diets...
Effects of acute mental stress and exercise on inflammatory markers in patients with coronary artery disease and healthy controlsWillem J Kop
University of Maryland Medical Center, Baltimore, Maryland, USA
Am J Cardiol 101:767-73. 2008..These stress-induced increases are larger than in healthy subjects, occur in the absence of myocardial ischemia, and are related to the neurohormonal stress response...
Effects of mental stress on flow-mediated brachial arterial dilation and influence of behavioral factors and hypercholesterolemia in subjects without cardiovascular diseaseJohn S Gottdiener
Division of Cardiology, St Francis Hospital, 100 Port Washington Boulevard, Roslyn, NY 11516, USA
Am J Cardiol 92:687-91. 2003..Mental stress inhibits flow-mediated vasodilation in normal subjects and those with hypercholesterolemia. The magnitude of this inhibition is associated with hostility...
Comparison of mental stress-induced myocardial ischemia in coronary artery disease patients with versus without left ventricular dysfunctionOla Akinboboye
Saint Francis Hospital, Roslyn, State University of New York at Stony Brook, Stony Brook, New York, USA
Am J Cardiol 95:322-6. 2005..These data suggest that mental stress ischemia may be of particular clinical importance in patients who have coronary artery disease and LV dysfunction...
Momentary relationship between cortisol secretion and symptoms in patients with fibromyalgiaSamuel A McLean
Chronic Pain and Fatigue Research Center, University of Michigan Medical Center, 24 Frank Lloyd Wright Drive, PO Box 385, Ann Arbor, MI 48106, USA
Arthritis Rheum 52:3660-9. 2005....
A double-blind placebo-controlled pilot study of controlled-release paroxetine on depression and quality of life in chronic heart failureStephen S Gottlieb
University of Maryland School of Medicine and the Baltimore VAMC, Baltimore, MD, USA
Am Heart J 153:868-73. 2007....
Frailty and activation of the inflammation and coagulation systems with and without clinical comorbidities: results from the Cardiovascular Health StudyJeremy Walston
Johns Hopkins Medical Institutions, Baltimore, MD, USA
Arch Intern Med 162:2333-41. 2002..The biological basis of frailty has been difficult to establish owing to the lack of a standard definition, its complexity, and its frequent coexistence with illness...
Test-retest reliability of assessment for intraventricular dyssynchrony by tissue Doppler imaging echocardiographyMark R Vesely
Division of Cardiology, Department of Medicine, University of Maryland Hospital and School of Medicine, Baltimore, MD, USA
Am J Cardiol 101:645-50. 2008..35). Bland-Altman analysis demonstrated wide confidence intervals, exceeding the diagnostic cutoff values for the respective criteria. In conclusion, the accurate assessment of IVD by TDI may be limited by poor test-retest reliability...
The course of functional decline in older people with persistently elevated depressive symptoms: longitudinal findings from the Cardiovascular Health StudyEric J Lenze
Intervention Research Center in Late Life Mood Disorders, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
J Am Geriatr Soc 53:569-75. 2005..To examine the relationship between persistently high depressive symptoms and long-term changes in functional disability in elderly persons...
Diurnal variations in coagulation and fibrinolysis in vital exhaustionRob van Diest
Department of Psychiatry, Maastricht University, Maastricht, The Netherlands
Psychosom Med 64:787-92. 2002..To explore potential underlying pathophysiological mechanisms, we tested whether VE is associated with more pronounced diurnal variations in hemostasis...
Dietary supplementation with omega-3 PUFA increases adiponectin and attenuates ventricular remodeling and dysfunction with pressure overloadMonika K Duda
Division of Cardiology, Department of Medicine, University of Maryland, Baltimore, MD 21201, USA
Cardiovasc Res 76:303-10. 2007..We assessed the effects of dietary supplementation with omega-3 PUFA from fish oil on the response of the left ventricle (LV) to arterial pressure overload...
