frailty and exercise past present future · program stop within the first 6 months. poor adherence...
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FRAILTY AND EXERCISE PAST – PRESENT – FUTURE
Emanuele Marzetti, MD, PhD
Dept. of Geriatrics, Neurosciences and Orthopedics
Orthogeriatric Unit Teaching Hospital “Agostino Gemelli”
Catholic University of the Sacred Heart
Rome, Italy
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Susruta of India (600 BCE) The first physician to prescribe moderate daily
exercise to his patients.
“it should be taken every day” but taken “only to half extent of his capacity” as otherwise “it may prove fatal”
(Bhishagrata KK. The Sushruta Samhita. Varnasi, India: Chowkhamba Sanskrit Series Series Office, 1963, vol. 2., p. 486)
PAST
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Hippocrates of Cos (460–370 BCE) The first physician to provide a written exercise
prescription for a patient with the disease of consumption
“eating alone will not keep a man well, he must also take exercise” “. . . food and exercise, while possessing opposite qualities, yet work together to produce health” Hippocrates. Hippocrates, translated by Jones WHS. London: William Heinemann, 1923, vol. 1.
PAST
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• Physical inactivity is the fourth leading risk factor for global mortality (6% of deaths globally) (WHO, 2009).
• Annual cost in lives lost due to inactivity ranges from 200,000 to 300,000 (Mokdad et al., JAMA
2000).
• In the US, annual medical costs due to inactivity and its consequences are estimated at $76 billion (Pratt et al., Phys
Sportsmed 2000).
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n=6,242 Age: 54.4 15.2 yrs (range: 18-98 yrs) Women: 3,552 (57%)
+10 yrs +30 yrs
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November 10, 2015, Vol 314, No. 18
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15 min a day or 90 min a week of light-to-moderate intensity exercise (3.75–7.49 MET-h) reduce the risk for all-cause mortality by 14% (+3 yrs of life) Every additional 15 min of daily exercise beyond the minimum amount of 15 min a day further reduce all-cause mortality by 4%
n=416,175 individuals Average follow-up: 8.05 years
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How much exercise is too much?
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MAMC
CC
Handgrip strength
Chair stand test
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HEALTH BENEFITS OF WALKING
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♂
♀
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Results: Our MEP reverses frailty and improves functional measurements: Barthel, Lawton and Brody, Tinetti, Short Physical Performance Battery, and physical performance test as well as cognitive, emotional, and social networking determinations: Mini-Mental State Examination, geriatric depression scale from, EuroQol quality-of-life scale, and Duke social support. This program is unique in that it leads to a decrease in the number of visits to primary care physician and to a significant improvement in frailty biomarkers
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Tarazona-Santabalbina et al., JAMDA 2016
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HAZARD RATIO OF MAJOR MOBILITY DISABILITY FOR PHYSICAL ACTIVITY VS. HEALTH EDUCATION ACCORDING TO SUBGROUPS
Pahor et al., JAMA 2014
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“A structured, moderate-intensity physical activity program was not associated with a reduced risk for frailty [as defined by the SOF index] over 2 years among sedentary, community-dwelling older adults. The beneficial effect of physical activity on the incidence of MMD [major mobility disability] did not differ between frail and nonfrail participants”.
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MIDFRAIL
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Phase IIb open randomized clinical trial to evaluate the effectiveness of a multi-modal intervention (optimizing medical management, resistance-based exercise program and educational/nutritional intervention) in 1,704 frail or pre-frail subjects ≥ 70 years with T2D to prevent functional decline and maintain or improve quality of life and its associated costs.
MIDFRAIL
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SPRINTT: A PHASE III RANDOMIZED CONTROLLED TRIAL ON EXERCISE/NUTRITION/ICT IN PHYSICAL FRAILTY AND SARCOPENIA
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Lack of time is the major barrier to participating in physical activity regardless of age
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Brownson et al., Annu Rev Public Health 2005
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Up to 50% of individuals who begin an exercise program stop within the first 6 months.
Poor adherence to exercise prevents long-term benefits
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Is there a way out?
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Targeting/Taming Aging With Metformin: the TAME study
TAME is a novel study that will recruit elderly subjects and, in a double-blind, placebo-control study, will test if metformin can delay the onset of multi-morbidities including cancer, CVD, T2DM, cognitive decline, and mortality. Plans call for the trial to enroll 3,000 people aged 70–80 years at roughly 15 centres around the United States. The trial will take 5–7 years and cost US$50 million
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Conclusion • Physical activity conveys health benefits throughout the life course,
across a wide spectrum of intensities.
• Health and longevity benefits of physical activity may be achieved with as little as 15 min a day or 90 min a week of light-to-moderate intensity exercise (e.g., brisk walking).
• Personalized exercise programs are effective at managing sarcopenia and physical frailty.
• Most barriers preventing engagement in physical activity may be overcome through health education campaigns and adequate counseling.
• Mobile health devices and exercise mimetics may allow overcoming traditional barriers to long-term adherence to physical activity and grant participation to exercise in population subgroups with social and health limitations.