aging of musculoskeletal system - sc.mahidol.ac.th · objective explain physiologic change of...
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Aging of Musculoskeletal
System
SIVAPORN VONGPIPATANA, M.D.
Department of Rehabilitation Medicine Faculty of Medicine Ramathibodi Hospital Mahidol University
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Objective Explain physiologic change of musculoskeletal system in aging process
Identify risk factors for aging process in musculoskeletal system
recognize commom conditions and diseases associated in MSK in elderly
Recognize the importance of non-pharmacologic treatment in elderly
Recognize the effect of pharmacological treatment in elderly
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What happens when we are aging?
• Nervous system • Cardiopulmonary • Endocrine
• Muscles • Cartilages and joints • Bone
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What are appearance of an elderly man/woman in terms of musculoskeletal system?
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Appearance of older person
•back kyphosis (a forward bending of spine)
• loss of height
• less flexibility
• neck pain
• back pain
• knee pain
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The musculoskeletal system
Collagenous tissue
Cartilage
Bone
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Collagenous tissue Is the component of
Skin
Tendon
Ligament
Fascia
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Collagenous tissue in elderly
Stiffness of collagenous
tissue
dehydration
Increase collagen crosslinks
Accumulation of waste products
Less flexibility of
collagenous tissue
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Cartilage Articular cartilage
Hyaline cartilage
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Cartilage in aging process
Cartilage break down
Poorly hydrated
Poorly nourished
No weight bearing
Decreased joint space
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Bone
Imbalance
between
osteoclast & osteoblast
Decline in circulatory level of vitamin D
Decreased bone mass in elderly
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Common diseases and conditions in elderly
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Common disease and condition •Sarcopenia
•Frailty Syndrome
•Osteoarthritis
•Degenerative joint disease
•Osteoporosis
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Sarcopenia
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Sarcopenia
•muscle wasting of old age
• dual-energy x-ray absortionmetry : < 2or more SD below values of young adult
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Sarcopenia
Sarcopenia Loss of muscle
strength Decreased
functional ability
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Causes of Sarcopenia • Lifestyle behaviors : physical inactivity
• Loss of neuromuscular function : loss of alpha motor neuron
• Decreased vit D and Parathyroid hormone level
• Increased level of cytokines
• Obesity
• Genetic
• Low nutritional intake & low protein intake
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Management
• Resistive exercise: the best • Aerobic exercise • Nutrition • + Hormone: controversey
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Frailty Syndrome
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Frailty • lack of consensus definition
• Fried “… an aggregate expression of risk resulting from age- or disease-associated physiologic accumulation of sub-threshold decrements affecting multiple physiologic systems”
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Frailty: suspected clinical •Increased inflammatory response
•Decreased cardiopulmonary and renal reserve
•Sarcopenia
•Weight loss
•Exhaustion
•Weak grip strength
•Slow walking speed
•Low level of physical activity
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Fried Phenotype model of frailty 1. Weakness: grip strength < 20th percentiles
2. Slowness: walking time(15 feet) – slower 20% by sex and height
3. Low level of physical activity: bottom 20th percentile of calculated Kcal as measured by the Minnesota Leisure Time Activity Questionnaire
4. Exhaustion: self-reported, based on items in the Center for Epidermiologic Studies Depression Scale
5. Weight loss: >10% of unintentional weight loss during the prior year
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Subcategories of Frailty
•Physical frailty
•Cognitive frailty
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Management
•Physical activity
• Multicomponent exercise: strength, endurance, balance
• each intervention should be at least •3 times/week 30-45 minutes and • sustained for >5 months
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Osteoarthritis
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Common sites • knees •hands •fingers
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Management • Phamalogical management • Paracetamol
• NSAIDS
• Hyaluronic acid supplement
• non-phamalogical management • Lifestyle modification
• Exercise
• Surgery
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Degenerative joint diseases - CERVICAL SPONDYLOSIS
- LUMBAR SPONDYLOSIS
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Management • Medication
• Rest
• Education
• Exercise
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Osteoporosis
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Osteoporosis • absolute decreased in the amount of normal bone
• osteoclast > osteoblast
• Bone Marrow Density (BMD): T score < 2.5
• Osteopenia
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Causes of osteoporosis • estrogen deficiency
•testosterone deficiency
• malabsorption of Ca
• Ca deficiency in diet
• endocrine disorders
• immobility localized osteoporosis
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What are the effect of immobilization? •Increase muscle insulin resistance
•Increase bone lose
•decreased pulmonary function and exercise capacity
•Orthostatic hypotension
•Impair balance and coordination
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Non-pharmacological management
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Exercise
•Strengthening exercise
•Stretching exercise
•Aerobic exercise
•Aquatic exercise
•Tai chi
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Other non-pharmacological management
•Gait aids
•Physical modalities: hot, cold pack
•Assistive device
•Environmental designs
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Pharmacological management
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Common drugs used in pain •NSAIDs
•Weak opioids
•Opioids
•Muscle relaxants
•Anti-epileptic drugs
•Steroids
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Drugs affected on Exercise
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Common Drugs •Anti-diabetic drugs: insulin injection
•Steroids
•diuretics
•anti-hypertensive drugs: alpha blocker, Beta blocker
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Question?