Activity in Heart Failure Payman Zamani, MD, MTR University of Pennsylvania Saturday September 26...
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Activity in Heart Failure
Payman Zamani, MD, MTRUniversity of Pennsylvania
Saturday September 26th, 2015
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Overview
• The risks/consequences of NOT exercising• Heart failure (HF) and the body• Benefits of exercise in HF• How do I get started?
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The Less You Do, The Less You CAN Do
Exer
cise
Cap
acity
(L
O2/
min
)
Days
Exercise Capacity (L O2/min)
Healthy College Kids for 21 days~30% reduction
Middle-Aged Healthy Men for 10 days
~15% reductionModified from Debusk et al. Circ 1983; 68: 245
Modified from Saltin et al. Circ 1968; 5 (S7); 1Convertino. Med Sci Sports Exer 1997; 29: 191
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The Time to Get Moving is Now!Ch
ange
in E
xerc
ise
Capa
city
Days of Bed RestModified from Convertino. Med Sci Sports Exerc 1997; 29: 191
DAYS IN BED ABILITY TO EXERCISE
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Inactivity & The Company It Keeps
Decreased cognitionDepression
Reduced muscle strengthFalls
Decreased Bone Density
Hogan, Mata, Carstensen. Psychol Aging 2013; 28: 587Wagner et al. Annu. Rev. Publ. Health 1992; 13: 451Buchner et al. Annu. Rev. Publ. Health 1992; 13: 469
http://smartonlinesuccess.com/arnold-schwarzeneggers-six-rules-for-success/Bone: Dream Designs. Freedigitalphotos.netBrain: Omega1982. Freedigitalphotos.net
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Heart Failure Affects the Whole Body!LungsLungs
Poor transfer of oxygen
Diaphragm“steal” blood
Less flow to the gut
Less outputPoor redistribution to muscles
Heart and Vessels
Skeletal MuscleReduced strengthMore fatigableLess muscle mass
Poole et al. Am J Physiol Heart Circ Physiol 2012; 302: H1050
Less Ability to Exercise
Modified from:
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Impact of Exercise in Heart Failure• Improved ability to exercise!• Heart:– Improved pumping function– Reduces heart size
• Muscles– Stronger and more efficient
• Improved Quality of Life• Fewer Hospitalization and deaths
Haykowsky et al. JACC 2007; 49: 2329Hambrecht et al. JACC 1995; 25: 1239
Magnusson et al. Eur H J 1996; 17: 1048Flynn et al. JAMA 2009; 301: 1451
O’Connor et al. JAMA 2009; 310: 1439Keteyian et al. JACC 2012; 60: 1899
Image from American Council on Science and Health website
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Exercise Reduces Bad OutcomesDeath or Hospitalization for Any Reason
E
vent
Rat
e
-- Usual Care− Exercise Group
Time, years
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0 1 2 3
11% Reduction in Death/Hospitalization
for any reason
O’Connor et al. JAMA 2009; 310: 1439Keteyian et al. JACC 2012; 60: 1899
The more exercise you didThe greater the benefit!
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Exercise and Safety• Safe in stable HF patients• When is it okay to exercise?– Symptoms are under control!• Not when decompensated/extra fluid• Not when feeling worse/different • Stable medications
– Listen to your body: slow and steady– Discuss exercise with your provider• Usually starts with an exercise test
O’Connor et al. JAMA 2009; 310: 1439Pina. Curr Cardiol Rep 2010; 12: 223
Ades et al. JACC HF 2013; 6: 540Accessed on 9/2/2015: HFSA.org: http://www.hfsa.org/hfsa-wp/wp/module-5/
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Cardiac RehabilitationUnderutilized resource!
• Generally: 36 supervised sessions– 3x/week: 30 min of exercise + warm up/cool down– Follow heart rate and feelings of difficulty– Increase duration & # of sessions first, then intensity– Build confidence, strength
• Only ~12% of patients with HF referred!
Golwala et al. JACC 2015; 66: 917Pina. Curr Cardiol Rep 2010; 12: 223
Ades et al. JACC HF 2013; 6: 540
February 2014: Medicare approves cardiac rehabilitation for heart failure!
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Conclusions• Activity is good!!!• Listen to your body, notify your provider of
changes• Provided that your HF is under control…
The time to start moving is now!!• Discuss exercise with your provider• Consider cardiac rehab• HFSA Website:
http://www.hfsa.org/hfsa-wp/wp/module-5/