Osteoporosis, nutrition and fragility fractures Flashcards
What is a Fragility ( Low Energy ) Fracture?
A Fracture which occurs without excessive trauma
or follows a fall from standing height or less
What is the problem of an ageing population?
More frequent fractures
Name some long term consequences of hips fractures
Death
Permanat disability
Unable walk independently
Unable to continue activities of daily living
How much do fractures cost per year?
£2billion
Why do people break bones?
Bone strength is reduced - Sub optimal peak bone mass, Reduced bone quality, Reduced bone Mineral ( Calcium ), Deteriorating architecture, Change in crystal size & composition, Abnormal collagen
Describe fracture prevention in children and adults
Children / Adolescents / Young Adults Optimize Peak bone Mass Adults Prevent deterioration of bone quality Prevent falls
How do you optimize bone mass
Diet
Exercise
Sex Hormones
How do you identify people with a high fracture risk
Increasing Age Previous Fracture Light weight ( BMI < 18 ) Family History of osteoporosis Smoking Alcohol Many medical Disorders
How do you predict a frailty fracture?
Steroids > 3 months
65 years
Use Preventative Treatment
What are rheumatoid nodules associated with?
Chronic inflammatory conditions
List some medical disorders predisposing to osteoporosis
Endocrine disorders Thyrotoxicosis Hyperparathyroidism Pituitary disease Conditions causing Nutritional Deficiency Malabsorption conditions Eating disorders Alcoholism Inflammatory conditions Many chronic general medical conditions
What does 1 standard deviation below the BMD for young adults do?
Doubles the risk of fracture
What are the objectives of drugs for osteoporosis?
Prevent bone breakdown - Inhibit Osteoclasts
Stimulate Bone Build up - Stimulate Osteoblasts and Modify Osteocyte activity
Prevent all types of fracture
Name a class of drug used to treat osteoporosis in both men and women
Bisphosphonates
What is the function of bisphosphonates
Inhibit Osteoclast action
by inhibiting an important enzyme