J Myers

Summary

Publications

  1. ncbi request reprint Cardiovascular disease in spinal cord injury: an overview of prevalence, risk, evaluation, and management
    Jonathan Myers
    Cardiology Division and Spinal Cord Injury Center, Veterans Administration Palo Alto Health Care System and Stanford University, Palo Alto, California 94304, USA
    Am J Phys Med Rehabil 86:142-52. 2007
  2. doi request reprint The blood pressure response to dynamic exercise testing: a systematic review
    Vy Van Le
    Cardiology Division, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304 1207, USA
    Prog Cardiovasc Dis 51:135-60. 2008
  3. pmc A meta-analysis of the effects of exercise training on left ventricular remodeling following myocardial infarction: start early and go longer for greatest exercise benefits on remodeling
    Mark Haykowsky
    University of Alberta, Edmonton, Canada
    Trials 12:92. 2011
  4. doi request reprint A neural network approach to predicting outcomes in heart failure using cardiopulmonary exercise testing
    Jonathan Myers
    Division of Cardiology, VA Palo Alto Healthcare System Stanford University, United States Electronic address
    Int J Cardiol 171:265-9. 2014
  5. doi request reprint Validation of a cardiopulmonary exercise test score in heart failure
    Jonathan Myers
    Division of Cardiology, VA Palo Alto Healthcare System, Palo Alto, CA 94304, USA
    Circ Heart Fail 6:211-8. 2013
  6. doi request reprint Cardiopulmonary and noninvasive hemodynamic responses to exercise predict outcomes in heart failure
    Jonathan Myers
    Veterans Administration Palo Alto Health Care System, Division of Cardiovascular Medicine, Stanford University, Palo Alto, California 94304, USA
    J Card Fail 19:101-7. 2013
  7. ncbi request reprint Effects of customized risk reduction program on cardiovascular risk in males with spinal cord injury
    Jonathan Myers
    VA Palo Alto Health Care System, Cardiology Division 111C, 3801 Miranda Avenue, Palo Alto, CA 94304, USA
    J Rehabil Res Dev 49:1355-64. 2012
  8. doi request reprint Effects of high-intensity training on indices of ventilatory efficiency in chronic heart failure
    Jonathan Myers
    Palo Alto Veterans Affairs Medical Center and Stanford University, Palo Alto, California 94304, USA
    J Cardiopulm Rehabil Prev 32:9-16. 2012
  9. pmc Accuracy of peak VO2 assessments in career firefighters
    Dana C Drew-Nord
    Department of Community Health Systems, School of Nursing, University of California, 2 Koret Way, San Francisco, California 94143, USA
    J Occup Med Toxicol 6:25. 2011
  10. ncbi request reprint Cardiology patient pages. Exercise and cardiovascular health
    Jonathan Myers
    Cardiology Division, VA Palo Alto Health Care System, Stanford University, Palo Alto, Calif 94304, USA
    Circulation 107:e2-5. 2003

Detail Information

Publications115 found, 100 shown here

  1. ncbi request reprint Cardiovascular disease in spinal cord injury: an overview of prevalence, risk, evaluation, and management
    Jonathan Myers
    Cardiology Division and Spinal Cord Injury Center, Veterans Administration Palo Alto Health Care System and Stanford University, Palo Alto, California 94304, USA
    Am J Phys Med Rehabil 86:142-52. 2007
    ....
  2. doi request reprint The blood pressure response to dynamic exercise testing: a systematic review
    Vy Van Le
    Cardiology Division, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304 1207, USA
    Prog Cardiovasc Dis 51:135-60. 2008
    ..This article attempts to review the literature studying the physiology and pathophysiology of the BP response to exercise testing and summarize the evidence for its diagnostic and prognostic applications...
  3. pmc A meta-analysis of the effects of exercise training on left ventricular remodeling following myocardial infarction: start early and go longer for greatest exercise benefits on remodeling
    Mark Haykowsky
    University of Alberta, Edmonton, Canada
    Trials 12:92. 2011
    ..The effects of variations in exercise training on left ventricular (LV) remodeling in patients shortly after myocardial infarction (MI) are important but poorly understood...
  4. doi request reprint A neural network approach to predicting outcomes in heart failure using cardiopulmonary exercise testing
    Jonathan Myers
    Division of Cardiology, VA Palo Alto Healthcare System Stanford University, United States Electronic address
    Int J Cardiol 171:265-9. 2014
    ..To determine the utility of an artificial neural network (ANN) in predicting cardiovascular (CV) death in patients with heart failure (HF)...
  5. doi request reprint Validation of a cardiopulmonary exercise test score in heart failure
    Jonathan Myers
    Division of Cardiology, VA Palo Alto Healthcare System, Palo Alto, CA 94304, USA
    Circ Heart Fail 6:211-8. 2013
    ..We recently developed a CPX score that integrated the additive prognostic information from CPX. The purpose of this study was to validate the score in a larger, independent sample of patients...
  6. doi request reprint Cardiopulmonary and noninvasive hemodynamic responses to exercise predict outcomes in heart failure
    Jonathan Myers
    Veterans Administration Palo Alto Health Care System, Division of Cardiovascular Medicine, Stanford University, Palo Alto, California 94304, USA
    J Card Fail 19:101-7. 2013
    ..We determined the extent to which noninvasive estimates of cardiac hemodynamics during exercise in combination with cardiopulmonary exercise test (CPX) responses improved the estimation of risk for adverse events in patients with HF...
  7. ncbi request reprint Effects of customized risk reduction program on cardiovascular risk in males with spinal cord injury
    Jonathan Myers
    VA Palo Alto Health Care System, Cardiology Division 111C, 3801 Miranda Avenue, Palo Alto, CA 94304, USA
    J Rehabil Res Dev 49:1355-64. 2012
    ..Such programs present more challenges than in ambulatory persons, and more intensive risk intervention may be required to appreciably reduce CVD risk in SCI...
  8. doi request reprint Effects of high-intensity training on indices of ventilatory efficiency in chronic heart failure
    Jonathan Myers
    Palo Alto Veterans Affairs Medical Center and Stanford University, Palo Alto, California 94304, USA
    J Cardiopulm Rehabil Prev 32:9-16. 2012
    ..slope) and the oxygen uptake efficiency slope (OUES) have recently been shown to be strong prognostic markers in patients with heart failure. Little is known regarding the effects of exercise training on these indices...
  9. pmc Accuracy of peak VO2 assessments in career firefighters
    Dana C Drew-Nord
    Department of Community Health Systems, School of Nursing, University of California, 2 Koret Way, San Francisco, California 94143, USA
    J Occup Med Toxicol 6:25. 2011
    ..abstract:..
  10. ncbi request reprint Cardiology patient pages. Exercise and cardiovascular health
    Jonathan Myers
    Cardiology Division, VA Palo Alto Health Care System, Stanford University, Palo Alto, Calif 94304, USA
    Circulation 107:e2-5. 2003
  11. ncbi request reprint Physical activity patterns and exercise performance in cardiac transplant recipients
    Jonathan Myers
    Cardiovascular Division, Veterans Affairs Palo Alto Health Care System, Calif 94304, USA
    J Cardiopulm Rehabil 23:100-6. 2003
    ..Among the factors suggested to explain the reduced exercise tolerance in CTX recipients is deconditioning. Little is known about the relation between physical activity patterns and exercise test responses in CTX patients...
  12. doi request reprint Effects of exercise training in patients with abdominal aortic aneurysm: preliminary results from a randomized trial
    Jonathan N Myers
    Division of Cardiology, Veterans Affairs Palo Alto Health Care System, Palo Alto, California 94304, USA
    J Cardiopulm Rehabil Prev 30:374-83. 2010
    ..As an interim analysis of our prospective, randomized, longitudinal trial of exercise for AAA suppression, we investigated whether subjects with early disease could safely achieve target metabolic and hemodynamic goals...
  13. doi request reprint Post-exercise heart rate recovery in individuals with spinal cord injury
    J N Myers
    Spinal Cord Injury Center, VA Palo Alto Health Care System, Stanford University, Palo Alto, CA 94304, USA
    Spinal Cord 48:639-44. 2010
    ..Prospective comparison of spinal cord injured (SCI) subjects and ambulatory subjects...
  14. doi request reprint The lowest VE/VCO2 ratio during exercise as a predictor of outcomes in patients with heart failure
    Jonathan Myers
    Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
    J Card Fail 15:756-62. 2009
    ..However, the prognostic power of this index is unknown...
  15. ncbi request reprint Comparison of the chronotropic response to exercise and heart rate recovery in predicting cardiovascular mortality
    Jonathan Myers
    Cardiology Division, Veterans Affairs Palo Alto Health Care System, Stanford University, Palo Alto, CA 94304, USA
    Eur J Cardiovasc Prev Rehabil 14:215-21. 2007
    ..It is, however, unknown which of these responses more powerfully predicts risk, and few data are available on their association with cardiovascular mortality or how they are influenced by beta-blockade...
  16. doi request reprint End-tidal CO2 pressure and cardiac performance during exercise in heart failure
    Jonathan Myers
    Cardiology Division, Veterans Affairs Palo Alto Health Care System, Stanford University, Palo Alto, CA 94304, USA
    Med Sci Sports Exerc 41:19-25. 2009
    ..However, little is known about the association between ventricular performance and PetCO2 responses to exercise...
  17. ncbi request reprint Effects of exercise training on heart rate recovery in patients with chronic heart failure
    Jonathan Myers
    Rehabilitation Center, Seewis, Switzerland
    Am Heart J 153:1056-63. 2007
    ..Heart rate recovery (HRR) is a marker of vagal tone that is associated with survival, but little is known about the effects of exercise training on HRR in patients with heart failure (HF)...
  18. doi request reprint A cardiopulmonary exercise testing score for predicting outcomes in patients with heart failure
    Jonathan Myers
    Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
    Am Heart J 156:1177-83. 2008
    ..The aim of this study is to evaluate the predictive accuracy of a cardiopulmonary exercise test (CPX) score...
  19. ncbi request reprint Fitness versus physical activity patterns in predicting mortality in men
    Jonathan Myers
    Cardiology Division, Veterans Affairs Palo Alto Health Care System, Stanford University School of Medicine, Palo Alto, California, USA
    Am J Med 117:912-8. 2004
    ..To compare the contributions of fitness level and physical activity patterns to all-cause mortality...
  20. ncbi request reprint Is new science driving practice improvements and better patient outcomes? Applications for cardiac rehabilitation
    Jonathan Myers
    VA Palo Health Care System and StanfordUniversity, Palo Alto, California 94304, USA
    Clin Invest Med 31:E400-7. 2008
    ..Physicians and allied health professionals should expand their routine medical evaluations and coronary risk factor profiling to include these measures...
  21. ncbi request reprint Applications of cardiopulmonary exercise testing in the management of cardiovascular and pulmonary disease
    J Myers
    Cardiology Division Palo Alto Veterans Affairs Medical Center, Palo Alto, CA 94304, USA
    Int J Sports Med 26:S49-55. 2005
    ..Information from the test can also be used to support the important recommendation that the patient engage in an exercise program...
  22. ncbi request reprint Optimizing the clinical exercise test: a commentary on the exercise protocol
    Jonathan Myers
    Cardiology Division, Palo Alto Veterans Administration Health Care System and Stanford University, Palo Alto, CA 94304, USA
    Heart Fail Monit 4:82-9. 2004
    ..Appropriate attention given to exercise testing methodology, including the choice of the exercise protocol, can help to assure the maximum functional, diagnostic, and prognostic yield of information...
  23. ncbi request reprint Principles of exercise prescription for patients with chronic heart failure
    Jonathan Myers
    Cardiology Division 111C, VA Palo Alto Health Care System, Stanford University, 3801 Miranda Ave, Palo Alto, CA 94304, USA
    Heart Fail Rev 13:61-8. 2008
    ..Evidence has accumulated that CHF patients who participate in rehabilitation programs have better health outcomes in terms of reduced morbidity and mortality, as well as lower hospitalization rates and lower overall health care costs...
  24. ncbi request reprint Reproducibility of noninvasive cardiac output during arm exercise in spinal cord injury
    Jonathan Myers
    Cardiology Division, Department of Veterans Affairs VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
    J Rehabil Res Dev 44:547-52. 2007
    ..The 5% relative variation between tests suggests that the CO(2) rebreathing technique for estimating cardiac output can be performed in SCI individuals with acceptable reproducibility...
  25. doi request reprint Cardiopulmonary exercise testing in small abdominal aortic aneurysm: profile, safety, and mortality estimates
    Jonathan Myers
    Division of Cardiology, Veterans Affairs Palo Alto Health Care System Stanford University, Palo Alto, CA 94304, USA
    Eur J Cardiovasc Prev Rehabil 18:459-66. 2011
    ..The purpose of this study was to evaluate safety and to characterize the hemodynamic and cardiopulmonary (CPX) response to exercise in a large group of patients with AAA...
  26. ncbi request reprint Ramp exercise protocols for clinical and cardiopulmonary exercise testing
    J Myers
    Cardiology Division, Palo Alto VA Health Care System, California 94304, USA
    Sports Med 30:23-9. 2000
    ..This article reviews these issues and discusses the evolution of ramp testing which has occurred in the 1990s...
  27. pmc Noninvasive measurement of cardiac performance in recovery from exercise in heart failure patients
    Jonathan N Myers
    VA Palo Alto Health Care System, California, United States
    Clinics (Sao Paulo) 66:649-56. 2011
    ..To examine the association between cardiac performance during recovery and the severity of heart failure, as determined by clinical and cardiopulmonary exercise test responses...
  28. doi request reprint The obesity paradox and weight loss
    Jonathan Myers
    Division of Cardiology, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
    Am J Med 124:924-30. 2011
    ....
  29. ncbi request reprint Do transmyocardial and percutaneous laser revascularization induce silent ischemia? An assessment by exercise testing
    Jonathan Myers
    Palo Alto Veteran s Administration Health Care System, Stanford University, Palo Alto, Calif 94304, USA
    Am Heart J 143:1052-7. 2002
    ..One other proposed mechanism is cardiac denervation leading to silent ischemia...
  30. ncbi request reprint Exercise capacity and mortality among men referred for exercise testing
    Jonathan Myers
    Division of Cardiovascular Medicine, Stanford University Medical Center and the Veterans Affairs Palo Alto Health Care System, Palo Alto, Calif CA 94304, USA
    N Engl J Med 346:793-801. 2002
    ..There is also uncertainty regarding the predictive power of exercise capacity relative to other clinical and exercise-test variables...
  31. ncbi request reprint Effect of exercise training on postexercise oxygen uptake kinetics in patients with reduced ventricular function
    J Myers
    Cardiology Divisions, Kantonsspital Chur, Basel, Switzerland
    Chest 120:1206-11. 2001
    ..In the present study, we sought to determine the effect of exercise training on O(2) recovery kinetics in patients with reduced ventricular function...
  32. ncbi request reprint Prognostic value of the computerized ECG in Hispanics
    M V Perez
    Stanford University School of Medicine, Cardiovascular Medicine, Stanford, CA 94305 5406, USA
    Clin Cardiol 30:189-94. 2007
    ..Despite a worse cardiovascular risk profile, the prevalence of cardiovascular disease is lower in Hispanics compared to non-Hispanics...
  33. ncbi request reprint Diagnostic exercise tests on 4000 consecutive men
    M Prakash
    Division of Cardiovascular Medicine, Stanford University Medical Center, Palo Alto, Calif, USA
    Am Heart J 142:127-35. 2001
    ..Four simple variables combined as a score predict all-cause mortality after clinical decisions for therapy are prescribed...
  34. ncbi request reprint Clinical and exercise test predictors of all-cause mortality: results from > 6,000 consecutive referred male patients
    M Prakash
    Division of Cardiovascular Medicine, Stanford University Medical Center and the University of California Irvine, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
    Chest 120:1003-13. 2001
    ..Four simple variables combined as a score powerfully stratified patients according to prognosis...
  35. ncbi request reprint Effect of exercise training on heart rate variability in patients with new-onset left ventricular dysfunction after myocardial infarction
    F Duru
    Kantonsspital Chur, University Hospital Zurich, Switzerland
    Am Heart J 140:157-61. 2000
    ..We aimed to investigate the effects of 8 weeks of supervised, high-intensity exercise training on time- and frequency-domain measures of HRV in this selected patient population...
  36. ncbi request reprint Heart rate recovery: validation and methodologic issues
    K Shetler
    Division of Cardiovascular Medicine, Stanford University Medical Center and the Veterans Affairs Palo Alto Health Care System, Palo Alto, California 94304, USA
    J Am Coll Cardiol 38:1980-7. 2001
    ..CONCLUSIONS: Heart rate at 1 or 2 min of recovery has been validated as a prognostic measurement and should be recorded as part of all treadmill tests. This new measurement does not replace, but is supplemental to, established scores...
  37. ncbi request reprint The prognostic value of body mass index and standard exercise testing in male veterans with congestive heart failure
    Lynette W Lissin
    Division of Cardiovascular Medicine, Stanford University Medical Center, Palo Alto, California 94304, USA
    J Card Fail 8:206-15. 2002
    ..To evaluate the prognostic characteristics of body mass index (BMI) and standard exercise test variables in a consecutive series of patients with mild to moderate congestive heart failure (CHF) referred for standard exercise tests...
  38. doi request reprint Prognostic value of double product reserve
    Amir H Sadrzadeh Rafie
    Stanford University Medical Center, Division of Cardiovascular Medicine, 300 Pasteur Dr Falk CVRC, Stanford, CA 94305 5406, USA
    Eur J Cardiovasc Prev Rehabil 15:541-7. 2008
    ..We aimed to assess the prognostic power of double product (DP) parameters in patients referred for standard exercise testing...
  39. ncbi request reprint Exercise testing with gas exchange analysis
    J Myers
    Cardiology Division, Palo Alto Veterans Affairs Medical Center, Cardiology Division, Stanford University, Palo Alto, California, USA
    Cardiol Clin 19:433-45. 2001
    ..A cardiopulmonary exercise test can supplement other clinical and exercise test information when precision is important, when the patient's symptoms are mixed, or when it is unclear why the patient was referred for testing...
  40. ncbi request reprint Simple treadmill score to diagnose coronary disease
    V Raxwal
    Divisions of Cardiovascular Medicine, Stanford University Medical Center, and the Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
    Chest 119:1933-40. 2001
    ..CONCLUSION: This simplified exercise score that estimates the probability of CAD can be easily applied without a calculator and is a useful and valid tool that can help physicians manage patients presenting with chest pain...
  41. ncbi request reprint Treadmill scores in elderly men
    Steve Lai
    Veterans Affairs Health Care System, Palo Alto, California 94121, USA
    J Am Coll Cardiol 43:606-15. 2004
    ..This study seeks to further characterize the role of exercise testing in the elderly for prognosis and diagnosis of coronary artery disease...
  42. ncbi request reprint Is there a better way to predict death using heart rate recovery?
    Dmitry David Gorelik
    Stanford University VA Palo Alto Health Care System, Palo Alto, California 94304, USA
    Clin Cardiol 29:399-404. 2006
    ..The relative predictive power of computational analysis of HRR as a function of resting and maximum heart rate (HR) compared with direct measurement of the drop in HR has not been determined...
  43. ncbi request reprint Maintenance of exercise capacity and physical activity patterns 2 years after cardiac rehabilitation
    Claudia Boesch
    Rehabilitation Center, Seewis, Switzerland
    J Cardiopulm Rehabil 25:14-21; quiz 22-3. 2005
    ..The purpose of this study was to assess exercise capacity, blood lipids, and physical activity patterns 2 years after completing a concentrated residential rehabilitation program in Switzerland...
  44. ncbi request reprint Validation of a specific activity questionnaire to estimate exercise tolerance in patients referred for exercise testing
    J Myers
    Cardiology Division, Palo Alto Veterans Affairs Medical Center, Stanford University, Palo Alto, CA 94304, USA
    Am Heart J 142:1041-6. 2001
    ..When used for estimating a patient's symptom limits to individualize ramp rates on a treadmill, this approach yields an appropriate test duration in accordance with recent exercise testing guidelines...
  45. doi request reprint Predictors of impaired heart rate recovery: a myocardial perfusion SPECT study
    Micha T Maeder
    Department of Cardiology, University Hospital, Basel, Switzerland
    Eur J Cardiovasc Prev Rehabil 17:303-8. 2010
    ..However, a number of methodological issues have not been fully explored, including differences in HRR 1 versus 2 min after exercise termination, absolute versus relative HRR, and the impact of beta-blockers...
  46. doi request reprint Long-term myocardial adaptations after cardiac rehabilitation in heart failure: a randomized six-year evaluation using magnetic resonance imaging
    Lionel Muller
    Cardiology Division, Kantonsspital, Chur, Switzerland
    Clin Rehabil 23:986-94. 2009
    ..To assess exercise capacity and left ventricular function using magnetic resonance imaging (MRI) among patients with chronic heart failure randomized to a residential rehabilitation programme at baseline and six years after participation...
  47. doi request reprint Characterizing differences in mortality at the low end of the fitness spectrum in individuals with cardiovascular disease
    Sandra Mandic
    Veterans Affairs Palo Alto Health Care System, Palo Alto, California, USA
    Eur J Cardiovasc Prev Rehabil 17:289-95. 2010
    ..The purpose of this study was to compare clinical characteristics, exercise test responses, and physical activity (PA) patterns in Q1 versus Q2 in patients with cardiovascular disease (CVD)...
  48. doi request reprint A simplified clinical electrocardiogram score for the prediction of cardiovascular mortality
    Swee Yaw Tan
    Stanford University School of Medicine, Cardiovascular Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA
    Clin Cardiol 32:82-6. 2009
    ..Electrocardiogram (ECG) scores have been demonstrated to predict CV mortality but they are rarely utilized clinically...
  49. doi request reprint Added value of a resting ECG neural network that predicts cardiovascular mortality
    MARCO V PEREZ
    Stanford University School of Medicine, Cardiovascular Medicine, Stanford, CA, USA
    Ann Noninvasive Electrocardiol 14:26-34. 2009
    ..The resting 12-lead electrocardiogram (ECG) remains the most commonly used test in evaluating patients with suspected cardiovascular disease. Prognostic values of individual findings on the ECG have been reported but may be of limited use...
  50. ncbi request reprint Exercise-induced ventricular arrhythmias and cardiovascular death
    James Beckerman
    Division of Cardiovascular Medicine, Stanford University Medical Center, Palo Alto, California, USA
    Ann Noninvasive Electrocardiol 10:47-52. 2005
    ..Exercise-induced ventricular arrhythmias (EIVA) are frequently observed during exercise testing. However, the clinical guidelines do not specify their significance and so we examined this issue in our population...
  51. ncbi request reprint Homocysteine and hypertension in persons with spinal cord injury
    M Y Lee
    Spinal Cord Injury Service, Department of Veterans Affairs Palo Alto Health Care System, CA 94304, USA
    Spinal Cord 44:474-9. 2006
    ..Cross-sectional analysis of a convenience sample of locally recruited participants, including both patients and volunteers...
  52. doi request reprint How accurately are maximal metabolic equivalents estimated based on the treadmill workload in healthy people and asymptomatic subjects with cardiovascular risk factors?
    M T Maeder
    Division of Cardiology, University Hospital Basel, Basel, Switzerland
    Int J Sports Med 29:658-63. 2008
    ..09 (*/ divided by 1.13) in controls. The ACSM equation is associated with a significant overestimation of mMETs in young and fit subjects, which is markedly more pronounced in older and less fit subjects with cardiovascular risk factors...
  53. doi request reprint Age-adjusted modification of the Duke Treadmill Score nomogram
    Amir H Sadrzadeh Rafie
    Division of Cardiovascular Medicine, Stanford University Medical Center, Stanford, CA 94305 5406, USA
    Am Heart J 155:1033-8. 2008
    ..We aimed to determine if age could improve the prognostic power of the DTS and if so, to modify the DTS nomogram to include age...
  54. ncbi request reprint Exercise capacity, physical activity patterns and outcomes six years after cardiac rehabilitation in patients with heart failure
    Lionel Mueller
    Rehabilitation Center, Seewis, Cardiology Divisions, Kantonsspital Chur, Switzerland
    Clin Rehabil 21:923-31. 2007
    ..To determine the short- and long-term effects of an intensive, concentrated rehabilitation programme in patients with chronic heart failure...
  55. ncbi request reprint N-terminal pro-B-type natriuretic peptide and functional capacity in patients with obstructive sleep apnea
    Micha T Maeder
    Division of Cardiology, Kantonsspital, St Gallen, Switzerland
    Sleep Breath 12:7-16. 2008
    ..There is an association between higher NT-proBNP and lower peak VO(2), indicating that NT-proBNP is a marker of cardiorespiratory fitness in patients with OSAS. However, the association is too weak to be clinically useful...
  56. doi request reprint Rest premature ventricular contractions on routine ECG and prognosis in heart failure patients
    Vy Van Le
    Division of Cardiovascular Medicine, Stanford University, School of Medicine, VA Palo Alto Health Care System, Cardiology 111C, 3801 Miranda Ave, Palo Alto, CA 94304, USA
    Ann Noninvasive Electrocardiol 15:56-62. 2010
    ..This study aims to evaluate the prognostic value of rest PVCs on an electrocardiogram (ECG) in patients with a history of clinical HF...
  57. ncbi request reprint The prognostic value of exercise testing in elderly men
    Joshua M Spin
    Division of Cardiovascular Medicine, Stanford University Medical Center, Palo Alto, California, USA
    Am J Med 112:453-9. 2002
    ..Our purposes were to compare the responses to exercise testing in elderly (> or =65 years of age) and younger men, and to investigate whether exercise testing has similar prognostic value in the two age groups...
  58. ncbi request reprint Spatial QRS-T angle predicts cardiac death in a clinical population
    Takuya Yamazaki
    Division of Cardiovascular Medicine, Stanford University Medical Center and Veterans Affairs Health Care System, Palo Alto, California 94304, USA
    Heart Rhythm 2:73-8. 2005
    ..The purpose of this study was to validate the prognostic value of computer-derived measurements of the spatial alignment of ventricular depolarization and repolarization from the standard 12-lead ECG in a general medical population...
  59. ncbi request reprint Impact of the exercise mode on exercise capacity: bicycle testing revisited
    Micha Maeder
    Division of Cardiology, Department of Internal Medicine, Kantonsspital St Gallen, Rorschacherstrasse 95, CH 9007 St Gallen, Switzerland
    Chest 128:2804-11. 2005
    ....
  60. ncbi request reprint Effect of age and end point on the prognostic value of the exercise test
    Takuya Yamazaki
    Division of Cardiovascular Medicine, Stanford University Medical Center, Veterans Affairs Health Care System, Long Beach, CA, USA
    Chest 125:1920-8. 2004
    ..The clinical and exercise test variables chosen for predicting prognosis vary in the available studies. This could be due to the effect of age of the patients tested and the choice of outcomes used as end points in these follow-up studies...
  61. ncbi request reprint Electrocardiographic findings in patients with chronic spinal cord injury
    Manish Prakash
    Division of Cardiovascular Medicine, Stanford University Medical Center and the Veterans Affairs Palo Alto Health Care System, California 94304, USA
    Am J Phys Med Rehabil 81:601-8. 2002
    ..To demonstrate the prevalence and prognostic value of electrocardiographic abnormalities in patients with chronic spinal cord injury...
  62. ncbi request reprint Exercise testing scores as an example of better decisions through science
    Euan Ashley
    Cardiology Division 111C, Veterans Affairs Palo Alto Health Care System, Stanford University, 3801 Miranda Avenue, Palo Alto, CA 94304, USA
    Med Sci Sports Exerc 34:1391-8. 2002
    ..Since general practitioners function as gatekeepers and decide which patients must be referred to the cardiologist, they need to optimally use the basic tools they have available (i.e., history, physical exam, and the exercise test)...
  63. ncbi request reprint Effects of exercise training on left ventricular volumes and function in patients with nonischemic cardiomyopathy: application of magnetic resonance myocardial tagging
    Jonathan Myers
    Cardiology Division, Kantonsspital Chur and University Hospital, Zurich, Switzerland
    Am Heart J 144:719-25. 2002
    ..Exercise training is now an accepted component of the therapeutic regimen in patients with heart failure and underlying ischemia, but few data are available on the effects of training in patients with nonischemic dilated cardiomyopathy...
  64. ncbi request reprint Effects of bisoprolol fumarate on left ventricular size, function, and exercise capacity in patients with heart failure: analysis with magnetic resonance myocardial tagging
    Paul Dubach
    Cardiology Division, Kantonsspital Chur and University Hospital, Zurich, Switzerland
    Am Heart J 143:676-83. 2002
    ....
  65. ncbi request reprint Association of functional and health status measures in heart failure
    Jonathan Myers
    Cardiovascular Division, Veterans Affairs Palo Alto Health Care System, Stanford University School of Medicine, Palo Alto, California 94304, USA
    J Card Fail 12:439-45. 2006
    ....
  66. ncbi request reprint Prognostic importance of isolated T-wave abnormalities
    Takuya Yamazaki
    Division of Cardiovascular Medicine, Stanford University Medical Center and Veterans Affairs Health Care System, 3801 Miranda Avenue, Palo Alto, CA 94304, USA
    Am J Cardiol 95:300-4. 2005
    ..Multivariate survival analysis allowed the development of a T-wave amplitude graphic that provides clinicians with a simple method of estimating the relative risk for cardiovascular mortality from T-wave amplitude in limb lead I...
  67. doi request reprint Ventricular arrhythmias during clinical treadmill testing and prognosis
    Frederick E Dewey
    Stanford University Medical School, Palo Alto, California, USA
    Arch Intern Med 168:225-34. 2008
    ..Therefore, we aimed to evaluate the clinical correlates and prognostic significance of exercise-associated premature ventricular complexes (PVCs) during and after exercise testing...
  68. ncbi request reprint An evaluation of training responses using self-regulation in a residential rehabilitation program
    Hermes Ilarraza
    Cardiology Division, Kantonsspital Chur
    J Cardiopulm Rehabil 24:27-33. 2004
    ..This study assessed the training responses of a group instructed to train at an intensity they perceived as "somewhat hard," and compared their responses to standardized methods of exercise prescription...
  69. ncbi request reprint Cardiopulmonary exercise testing in mild heart failure: impact of the mode of exercise on established prognostic predictors
    Micha Tobias Maeder
    Division of Cardiology, Department of Internal Medicine, Kantonsspital St Gallen, St Gallen, Switzerland
    Cardiology 110:135-41. 2008
    ..However, treadmill exercise has been shown to elicit higher peak VO(2) values than bicycle exercise. We sought to assess whether the VE/VCO(2) slope and HRR in HF also depend on the exercise mode...
  70. doi request reprint A multicenter study of noninvasive cardiac output by bioreactance during symptom-limited exercise
    Mathew M Maurer
    Division of Cardiology, Columbia University, New York, NY 10032, USA
    J Card Fail 15:689-99. 2009
    ..Hemodynamic responses to exercise were assessed in patients with varying degrees of chronic heart failure (CHF) to determine the feasibility of using bioreactance during exercise testing in multicenter studies of CHF...
  71. ncbi request reprint Angiotensin-converting enzyme genotype predicts cardiac and autonomic responses to prolonged exercise
    Euan A Ashley
    Division of Cardiology, Stanford University, Stanford, California 94305, USA
    J Am Coll Cardiol 48:523-31. 2006
    ..The purpose of this study was to investigate the phenomenon of left ventricular (LV) dysfunction after ultraendurance exercise...
  72. ncbi request reprint Clinical and exercise test determinants of survival after cardiac transplantation
    Jonathan Myers
    Cardiology Division, Veterans Affairs Health Care System, Palo Alto, CA 94304, USA
    Chest 124:2000-5. 2003
    ..Clinical, exercise, and hemodynamic factors associated with survival after CTX have not been well established...
  73. ncbi request reprint The effect of ethnicity on survival in male veterans referred for electrocardiography and treadmill testing
    Manish Prakash
    Division of Cardiovascular Medicine, Stanford University Medical Center and the University of California, Irvine, USA
    Arch Intern Med 163:2204-10. 2003
    ..Previous studies in this area have lacked clinical and cardiovascular data with which to adjust for baseline differences in patients' health...
  74. ncbi request reprint A treadmill ramp protocol using simultaneous changes in speed and grade - a (ramp) step forward in exercise testing
    Jonathan Myers
    VA Palo Alto Health Care System, Stanford University, Palo Alto, CA, USA
    Med Sci Sports Exerc 35:1604. 2003
  75. ncbi request reprint Body mass, fitness and survival in veteran patients: another obesity paradox?
    Paul McAuley
    Cardiology Division, VA Palo Alto Health Care System Stanford University, Palo Alto, Calif 94304, USA
    Am J Med 120:518-24. 2007
    ..Veterans had to have met military fitness requirements at the time of their enlistment. Therefore, we assessed the relation of body mass index (BMI) to mortality in a clinical cohort of non-HF veterans, adjusting for fitness...
  76. doi request reprint Exercise capacity and mortality in older men: a 20-year follow-up study
    Peter Kokkinos
    Cardiology Division, Veterans Affairs Medical Center, 50 Irving St NW, Washington, DC 20422, USA
    Circulation 122:790-7. 2010
    ..Epidemiological findings, based largely on middle-aged populations, support an inverse and independent association between exercise capacity and mortality risk. The information available in older individuals is limited...
  77. ncbi request reprint A nomogram to select the optimal treadmill ramp protocol in subjects with high exercise capacity: validation and comparison with the Bruce protocol
    Micha Maeder
    Division of Cardiology, Department of Internal Medicine, Kantonsspital, St Gallen, Switzerland
    J Cardiopulm Rehabil 26:16-23. 2006
    ..However, previous methods to determine individualized ramp rates and comparisons between ramp and standardized protocols have been limited to clinically referred populations...
  78. ncbi request reprint B-type natriuretic peptide kinetics and cardiopulmonary exercise testing in heart failure
    Micha Maeder
    Division of Cardiology, Department of Internal Medicine, Kantonsspital St Gallen, Switzerland
    Int J Cardiol 120:391-8. 2007
    ....
  79. ncbi request reprint Comparison of treadmill scores with physician estimates of diagnosis and prognosis in patients with coronary artery disease
    Michael Lipinski
    Department of Cardiology, Stanford University at Palo Alto Veterans Affairs Health Care Center, Palo Alto, Calif 94304, USA
    Am Heart J 143:650-8. 2002
    ..However, if physicians can estimate the probability of coronary artery disease and prognosis as well as the scores, there is no reason to add this complexity to test interpretation...
  80. ncbi request reprint Exercise training in chronic heart failure: why, when and how
    P Dubach
    Department of Cardiology, Kantonsspital Chur, Switzerland
    Swiss Med Wkly 131:510-4. 2001
    ..The intensity level should be targeted to about 50%-70% of peak VO2 and/or Borg ratings of 12-14 ("walk and talk")...
  81. ncbi request reprint Novel predictor of prognosis from exercise stress testing: heart rate variability response to the exercise treadmill test
    Frederick E Dewey
    Stanford University School of Medicine, Stanford, CA, USA
    Am Heart J 153:281-8. 2007
    ..We aimed to evaluate the prognostic power of exercise-induced HRV during and after standard exercise testing...
  82. doi request reprint Mechanisms of exercise intolerance in patients with hypertrophic cardiomyopathy
    Vy Van Le
    Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
    Am Heart J 158:e27-34. 2009
    ..To determine the relation between echocardiogram findings and exercise capacity in hypertrophic cardiomyopathy (HCM)...
  83. ncbi request reprint T-wave abnormalities are a better predictor of cardiovascular mortality than ST depression on the resting electrocardiogram
    James Beckerman
    Division of Cardiovascular Medicine, Stanford University Medical Center, Stanford, CA, USA
    Ann Noninvasive Electrocardiol 10:146-51. 2005
    ..ST depression and T-wave amplitude abnormalities are known to be independent predictors of cardiovascular (CV) death, but a direct comparison between them has not been described...
  84. ncbi request reprint C-reactive protein, metabolic syndrome, and insulin resistance in individuals with spinal cord injury
    Matthew Y Lee
    Spinal Cord Injury Center, Veterans Affairs Palo Alto Health Care System, Palo Alto, California, USA
    J Spinal Cord Med 28:20-5. 2005
    ..We examined this blood marker in persons with spinal cord injury (SCI) in order to determine its potential for predicting elevated cardiac risk...
  85. ncbi request reprint Cardiac output and cardiopulmonary responses to exercise in heart failure: application of a new bio-reactance device
    Jonathan Myers
    Cardiology Division, Veterans Affairs Palo Alto Health Care System and Stanford University, Palo Alto, California 94304, USA
    J Card Fail 13:629-36. 2007
    ..Cardiopulmonary exercise testing (CPX) is widely used to evaluate heart failure (HF) patients, but lacks information about ventricular performance. There is a need for a noninvasive cardiac output (CO) measurement...
  86. doi request reprint Relationship of predictive modeling to receiver operating characteristics
    Sandra Mandic
    VA Palo Alto Health Care System, Stanford University, Palo Alto, California 94304, USA
    J Cardiopulm Rehabil Prev 28:415-9. 2008
    ..Theoretically, predictive accuracy is dependent on disease prevalence while AUC assessments are not...
  87. ncbi request reprint Autonomic nervous system interaction with the cardiovascular system during exercise
    James V Freeman
    Division of Cardiovascular Medicine, Stanford University Medical Center and Veterans Affairs Health Care System, Palo Alto, CA 94304, USA
    Prog Cardiovasc Dis 48:342-62. 2006
    ..Research continues seeking to refine these exercise measurements and further define their prognostic value. Future findings should augment the power of the exercise test in risk-stratifying cardiovascular patients...
  88. ncbi request reprint Early repolarization in patients with spinal cord injury: prevalence and clinical significance
    Rachel R Marcus
    Department of Cardiology, Stanford University, California, USA
    J Spinal Cord Med 25:33-8; discussion 39. 2002
    ..The objective was to examine the prevalence of early repolarization in a spinal cord injury (SCI) clinic and the relationship of level of injury to this electrocardiogram (ECG) finding...
  89. ncbi request reprint Prognostic value of heart rate increase at onset of exercise testing
    Nicholas J Leeper
    Stanford University Medical Center, Stanford University Medical School, Calif, USA
    Circulation 115:468-74. 2007
    ..Our aim was to evaluate the prognostic value of early heart rate parameters in patients referred for routine clinical treadmill testing...
  90. ncbi request reprint Assessment of functional capacity in clinical and research settings: a scientific statement from the American Heart Association Committee on Exercise, Rehabilitation, and Prevention of the Council on Clinical Cardiology and the Council on Cardiovascular N
    Ross Arena
    Virginia Commonwealth University, USA
    Circulation 116:329-43. 2007
  91. ncbi request reprint Prognostic value of heart rate recovery in patients with heart failure
    Ross Arena
    Department of Physical Therapy, Virginia Commonwealth University, Health Sciences Campus, Richmond, VA 23298 0224, USA
    Am Heart J 151:851.e7-13. 2006
    ..We sought to assess the prognostic utility of heart rate recovery (HRR) in patients with HF...
  92. ncbi request reprint Development of a ventilatory classification system in patients with heart failure
    Ross Arena
    Department of Physical Therapy, Box 980224, Virginia Commonwealth University, Health Sciences Campus, Richmond, VA 23298 0224, USA
    Circulation 115:2410-7. 2007
    ..The purpose of the present study is to refine the prognostic power of the VE/VCO2 slope by developing a ventilatory class system that correlates VE/VCO2 cut points to cardiac-related events...
  93. ncbi request reprint Technical considerations related to the minute ventilation/carbon dioxide output slope in patients with heart failure
    Ross Arena
    Department of Physical Therapy, Virginia Commonwealth University, Medical College of Virginia, Health Sciences Campus, Richmond, 23298 0224, USA
    Chest 124:720-7. 2003
    ..However, the method by which the VE/VCO(2) slope is expressed has been inconsistent...
  94. ncbi request reprint Prevalence and prognostic value of exercise-induced ventricular arrhythmias
    Sara Partington
    McMaster University, Hamilton, Ontario, Canada
    Am Heart J 145:139-46. 2003
    ....
  95. ncbi request reprint Prognostic value of exercise tests in male veterans with chronic coronary artery disease
    Afshin Ghayoumi
    Stanford University Medical Center, Calif, USA
    J Cardiopulm Rehabil 22:399-407. 2002
    ....
  96. ncbi request reprint How should peak oxygen uptake be expressed in heart failure?
    Jonathan Myers
    J Cardiopulm Rehabil 22:89-92. 2002
  97. ncbi request reprint The prognostic value of ventilatory efficiency with beta-blocker therapy in heart failure
    Ross A Arena
    Department of Physical Therapy, Virginia Commonwealth University, Richmond, VA 23298 0224, USA
    Med Sci Sports Exerc 39:213-9. 2007
    ..The impact this pharmacological approach has on the prognostic information gained from cardiopulmonary exercise testing (CPX) is, however, unclear...
  98. ncbi request reprint Evaluation of a specific activity questionnaire to predict mortality in men referred for exercise testing
    Paul McAuley
    Department of Natural Science, Loyola Marymount University, Los Angeles, CA, USA
    Am Heart J 151:890.e1-7. 2006
    ..This study was performed to evaluate the association of the VSAQ with all-cause mortality...
  99. ncbi request reprint The minute ventilation/carbon dioxide production slope is prognostically superior to the oxygen uptake efficiency slope
    Ross Arena
    Department of Physical Therapy, Virginia Commonwealth University, Health Sciences Campus, Richmond, Virginia 23298 0224, USA
    J Card Fail 13:462-9. 2007
    ..Recently, the oxygen uptake efficiency slope (OUES) has demonstrated prognostic value, but additional comparisons to established cardiopulmonary exercise test (CPET) variables are required...
  100. ncbi request reprint Influence of heart failure etiology on the prognostic value of peak oxygen consumption and minute ventilation/carbon dioxide production slope
    Ross Arena
    Department of Physical Therapy, Box 980224, Virginia Commonwealth University, Medical College of Virginia, Health Sciences Campus, Richmond, VA 23298 0224, USA
    Chest 128:2812-7. 2005
    ..In the present study, we investigated the effect of HF etiology on the prognostic applications of peak V(O2) and Ve/V(CO2) slope...
  101. ncbi request reprint Adaptation of pulmonary oxygen consumption slow component following 6 weeks of exercise training above and below the lactate threshold in untrained men
    Jeffrey V Ocel
    Beth Israel Deaconess Medical Center, Boston, MA, USA
    Chest 124:2377-83. 2003
    ..To examine the effects of 6 weeks of exercise training above or below the lactate threshold (LT) on the slow component (SC) of pulmonary oxygen consumption (.VO(2))...