osteoporosis menopause testosterone Flashcards
osteoporosis is most common in
postmenopausal females
what patient characteristics are associated with osteoporosis risk
adv age, caucasian or asian, family history, female, low body weight
what medical diseases/conditions are associated with osteoporosis risk
diabetes, eating disorder, GI diseases, hyperthyroidism, hypogonadism in men, menopause, RA or autoimmune disease (also epilepsy, HIV/AIDS, PD)
what lifestyle factors are associated with osteoporosis risk
smoking, excessive alcohol, low calcium, low vit D, physical inactivity
what medications are associated with osteoporosis risk
anticonvulsants, aromatase inhibitors, DMPA, Li, GnRH agonists, PPI, steroids (>5mg prednisone), thyroid hormone (also loop diuretics, SSRI, TZDs)
gold standard for measuring BMD
DXA scan
when should you have BMD measured
65 yo females, 70 yo males (earlier if history of fractures after 50yo)
FRAX estimates
risk of osteoporosis fracture in next 10 years
calcium absorption is aided by
vitamin D
vitamin D deficiency causes
rickets in kids, osteomalacia in adults
recommended calcium intake in adults is
1000-1200 mg
calcium carbonate contains what percent of elemental calcium
40%
calcium citrate contains what percent of elemental calcium
21%
important counseling points for calcium carbonate
take with food (requires acidic environment), do NOT use with PPI
cholecalciferol
D3
ergocalciferol
D2
how much cholecalciferol is recommended for vitamin D deficiency
5000-7000 IU daily
how much ergocalciferol is recommended for vitamin D deficiency
50000 IU weekly
tums
calcium carbonate
major side effect of calcium supplement
constipation
which drugs are indicated for prevention of osteoporosis
All bisphosphonates except ibandronate IV (PO okay), estrogen-based therapy, ralosifene, Duavee
which drugs are indicated for treatment of osteoporosis
bisphosphonates, denosumab, PTH analogs, calcitonin
important counseling for bisphosphonates
remain upright for 30 min (60 for ibandronate) and drink 6-8oz water
denosumab route of administration
SC
Side effects of bisphosphonates
esophagitis, hypocalemia
side effect of denosumab
hypOcalcemia
how frequently is denosumab dosed
every 6 months
teriparatide is given how and how often
SC daily
which osteoporosis treatment can cause hypERcalcemia
teraparatide, abaloparatide
bisphosphonate contraindication
hypOcalcemia, cannot sit upright for 30 min