Study Results
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Basic Information
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COMPLETED
NA
201 participants
INTERVENTIONAL
1993-07-31
2009-12-31
Brief Summary
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* To determine if aerobic exercise conditioning can improve symptoms, cardiovascular function and quality of life in elderly patients with congestive heart failure.
* To describe the baseline clinical characteristics, cardiovascular function and neurohumoral function in elderly patients with congestive heart failure.
* To determine the specific cardiovascular and noncardiovascular mechanisms by which symptoms and quality of life may improve following exercise conditioning in elderly patients with congestive heart failure.
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Detailed Description
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Main outcomes have been reported (see citations below).
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Control
Control group continues with their daily activity as they were prior to randomization. Receive bi-weekly follow-up phone calls to assess health status and encourage adherence with protocol.
Control
Control group continues daily life as prior to randomization.
Exercise
Exercise classes three times per week in a controlled, supervised environment.
Exercise
Exercise classes three times per week in a controlled, supervised environment.
Interventions
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Exercise
Exercise classes three times per week in a controlled, supervised environment.
Control
Control group continues daily life as prior to randomization.
Eligibility Criteria
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Inclusion Criteria
* Symptoms of congestive heart failure
* Able to understand and give informed consent
Exclusion Criteria
* Does not have CHF
* Significant change in cardiac medication \<3 weeks
* Myocardial infarction \<3 weeks
* CABG surgery \<3 months
* Angina pectoris not controlled during daily activity by pharmacological therapy or at \<4 METS activity
* Sustained hypertension with systolic\> 190 and diastolic\> 110 on medications
* Valvular heart disease as the primary etiology of CHF
* Significant aortic stenosis
* Stroke of \<3 months or with any physical restriction impairment that would prevent participation in exercise programs
* Chronic obstructive pulmonary disease on therapy that limits exercise duration
* Uncontrolled diabetes mellitus
* Active treatment for cancer or other noncardiovascular conditions with life expectancy less than three years
* Anemia "10 gms Hb)
* Renal insufficiency (cr \>2.5 mg/dl)
* Psychiatric disease - uncontrolled major psychoses, depressions, dementia, or personality disorder
* Dementia - MMSE \~24 "22 for \~8th grade education)
* Lack of an acoustic window sufficient to allow definition of endocardial borders on the screening echocardiogram.
* Plans to leave area or be admitted to a nursing home within 2 years.
* Inability to walk at least 420 feet in 6 minutes without a cane or other assistive device.
* Inability to exercise at or near home.
* At the discretion of the clinical staff, it is believed that the participant cannot or will not complete the protocol because of frailty, illness, or other reason.
* Participation in a regular exercise regimen more than one time per week for at least twenty minutes per session; including but not limited to walking, swimming, weight lifting, golfing, or taking an exercise class.
* Inability to ambulate without cane or other assistive device during biomechanics testing or treadmill.
* Inability to attend at least fourteen weeks of the facility-based intervention
60 Years
ALL
No
Sponsors
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National Institutes of Health (NIH)
NIH
National Institute on Aging (NIA)
NIH
Wake Forest University
OTHER
Responsible Party
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Principal Investigators
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Dalane W Kitzman, MD
Role: PRINCIPAL_INVESTIGATOR
Wake Forest University Health Sciences
Locations
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Wake Forest Baptist Health
Winston-Salem, North Carolina, United States
Countries
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References
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Kitzman DW, Little WC, Brubaker PH, Anderson RT, Hundley WG, Marburger CT, Brosnihan B, Morgan TM, Stewart KP. Pathophysiological characterization of isolated diastolic heart failure in comparison to systolic heart failure. JAMA. 2002 Nov 6;288(17):2144-50. doi: 10.1001/jama.288.17.2144.
Kitzman DW, Brubaker PH, Morgan TM, Stewart KP, Little WC. Exercise training in older patients with heart failure and preserved ejection fraction: a randomized, controlled, single-blind trial. Circ Heart Fail. 2010 Nov;3(6):659-67. doi: 10.1161/CIRCHEARTFAILURE.110.958785. Epub 2010 Sep 17.
Brubaker PH, Moore JB, Stewart KP, Wesley DJ, Kitzman DW. Endurance exercise training in older patients with heart failure: results from a randomized, controlled, single-blind trial. J Am Geriatr Soc. 2009 Nov;57(11):1982-9. doi: 10.1111/j.1532-5415.2009.02499.x.
John JM, Haykowsky M, Brubaker P, Stewart K, Kitzman DW. Decreased left ventricular distensibility in response to postural change in older patients with heart failure and preserved ejection fraction. Am J Physiol Heart Circ Physiol. 2010 Sep;299(3):H883-9. doi: 10.1152/ajpheart.00332.2010. Epub 2010 Jun 18.
Haykowsky MJ, Brubaker PH, John JM, Stewart KP, Morgan TM, Kitzman DW. Determinants of exercise intolerance in elderly heart failure patients with preserved ejection fraction. J Am Coll Cardiol. 2011 Jul 12;58(3):265-74. doi: 10.1016/j.jacc.2011.02.055.
Haykowsky MJ, Brubaker PH, Stewart KP, Morgan TM, Eggebeen J, Kitzman DW. Effect of endurance training on the determinants of peak exercise oxygen consumption in elderly patients with stable compensated heart failure and preserved ejection fraction. J Am Coll Cardiol. 2012 Jul 10;60(2):120-8. doi: 10.1016/j.jacc.2012.02.055.
Moore B, Brubaker PH, Stewart KP, Kitzman DW. VE/VCO2 slope in older heart failure patients with normal versus reduced ejection fraction compared with age-matched healthy controls. J Card Fail. 2007 May;13(4):259-62. doi: 10.1016/j.cardfail.2006.12.005.
Maldonado-Martin S, Brubaker PH, Kaminsky LA, Moore JB, Stewart KP, Kitzman DW. The relationship of a 6-min walk to VO(2 peak) and VT in older heart failure patients. Med Sci Sports Exerc. 2006 Jun;38(6):1047-53. doi: 10.1249/01.mss.0000222830.41735.14.
Brubaker PH, Joo KC, Stewart KP, Fray B, Moore B, Kitzman DW. Chronotropic incompetence and its contribution to exercise intolerance in older heart failure patients. J Cardiopulm Rehabil. 2006 Mar-Apr;26(2):86-9. doi: 10.1097/00008483-200603000-00007. No abstract available.
Brubaker PH, Marburger CT, Morgan TM, Fray B, Kitzman DW. Exercise responses of elderly patients with diastolic versus systolic heart failure. Med Sci Sports Exerc. 2003 Sep;35(9):1477-85. doi: 10.1249/01.MSS.0000084416.71232.EA.
Marburger CT, Brubaker PH, Pollock WE, Morgan TM, Kitzman DW. Reproducibility of cardiopulmonary exercise testing in elderly patients with congestive heart failure. Am J Cardiol. 1998 Oct 1;82(7):905-9. doi: 10.1016/s0002-9149(98)00502-5.
Kitzman DW, Brubaker PH, Herrington DM, Morgan TM, Stewart KP, Hundley WG, Abdelhamed A, Haykowsky MJ. Effect of endurance exercise training on endothelial function and arterial stiffness in older patients with heart failure and preserved ejection fraction: a randomized, controlled, single-blind trial. J Am Coll Cardiol. 2013 Aug 13;62(7):584-92. doi: 10.1016/j.jacc.2013.04.033. Epub 2013 May 9.
Haykowsky MJ, Herrington DM, Brubaker PH, Morgan TM, Hundley WG, Kitzman DW. Relationship of flow-mediated arterial dilation and exercise capacity in older patients with heart failure and preserved ejection fraction. J Gerontol A Biol Sci Med Sci. 2013 Feb;68(2):161-7. doi: 10.1093/gerona/gls099. Epub 2012 Apr 20.
Kitzman DW, Herrington DM, Brubaker PH, Moore JB, Eggebeen J, Haykowsky MJ. Carotid arterial stiffness and its relationship to exercise intolerance in older patients with heart failure and preserved ejection fraction. Hypertension. 2013 Jan;61(1):112-9. doi: 10.1161/HYPERTENSIONAHA.111.00163. Epub 2012 Nov 12.
Haykowsky MJ, Kouba EJ, Brubaker PH, Nicklas BJ, Eggebeen J, Kitzman DW. Skeletal muscle composition and its relation to exercise intolerance in older patients with heart failure and preserved ejection fraction. Am J Cardiol. 2014 Apr 1;113(7):1211-6. doi: 10.1016/j.amjcard.2013.12.031. Epub 2014 Jan 15.
Other Identifiers
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