Bone and mineral disease Flashcards

1
Q

calcium carbonate

A

calcium supplement - oral

  • m carbonate
    • Cheap
    • More likely to cuase gas, bloating, constipatoin
    • Neutralizes gastric acid and can cuase rebound acid secretion
    • More concentrated - smaller pills
    • Need to take with food
      *
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2
Q

calcium citrate

A

calcium supplement - oral

  • Fewer GI problems
  • Doesn’t affect gastric pH
  • Can take without food
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3
Q

calcium gluconate

A

cal supplement - IV

  • Least irritating to veins of IV Ca preps
  • Rapid infusion can cause arrhythmias
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4
Q

cholecalciferol

A

vitamin D3

made by animals

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5
Q

ergocalciferol

A

vit D2

  • D2 is made by plants, D3 by animals
    • D3 is considered more physiological
    • D2 is prescribed more - this is because D3 is in supplements (we don’t like that because they can put whatever they want in there) - if we prescribe D2 then we know exactly what is in there
  • causes of vit D def
    • Inadequate dietrary intake
    • Inadequate exposure to light
    • Renal dysfunction
    • Adminiatration of anticonvulsants (such as phenobarbital, phentoin) that increase metabolism of 25 (OH)D
  • Pharmacolic uses of Vit D
    • Nutritional rickets - prophylaxis and treatment
    • Metabolic rickets (due to genetic defect in the renal hydroxylase or due to chronic renal failure) calcitrol is used since patients can bioactivate vitamin D2 or D3
    • Osteoporosis and osteomalacia - in combination with calcium
    • Psoriasis: calcipotriene - topical
    • Hypoparathyroidism -> low 1,25(OH2)D - can use any med: D2, D3, or calcitriol
    • Secondary hypoparathyroidism in renal disease -> low 1,25(OH)2D - doxercalciferol, paricalitol (this is the major time you would use these drugs)
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6
Q

calcitriol

A

vit D (1,25 OH2 vitamine D (active vit D)

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7
Q

calcipotriene

A

vit D

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8
Q

doxercalciferal

A

vit D

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9
Q

paracalcitrol

A

vit D

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10
Q

etidronate

A

bisphosphonate - oral

Etidronate - daily, pagets only - you have to take this every day - the others you have to take once a week or month so this is harder for patients

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11
Q

alendronate

A

bisphosphonate - oral

Alendronate - daily or weekly

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12
Q

risedronate

A

bisphosphonate - oral

daily, weekly, monthly

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13
Q

ibandronate

A

bisphosphonate - oral or IV

monthly (oral) , quarterly (IV)

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14
Q

zoledronic acid

A

bisphosphonate - IV

annual

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15
Q

pamidronate

A

bisphosphonate - IV

pagets and malignancies

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16
Q

raloxifine

A

SERM

estrogenic effect on bone but not other tissue

17
Q

teriparatide

A

PTH - 1-34

  • Admin SC - it’s a peptide so we can’t give it oral
  • Stimulates new bone that is structurally normal
  • Not recommended for use over 2 years
  • Black box warning of osteosarcoma
18
Q

calcitonin

A

increase bone mass

not as effective as bisphosphonates or teriparatide - really only give this if the person is not making calcitoin

19
Q

denosumab

A
  • Denosumab - RANKL inhibitor (RANK L stimulates bone resorption)
    • Admin SC biannually
    • Supress bone resorption
    • Could have immunosuppressive effects
20
Q

fluoride

A
  • Fluoride
    • Stabilizes hydroxyapatite crystals in bone and teeth
    • Used to prevent dental caries
    • Turns you into a communist
21
Q

cinacalcet

A

Activates the calcium sensing receptor (CaSR) in the parathyroid gland

Used for secondary hyperparathyroidism in renal disease and parathyroid carcinoma