Osteoporosis Flashcards

1
Q

What is the definition of osteopenia?

A

Post menopausal women and men older than 50 with a DEXA/BMD testing of T score -1 to -2.5.

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2
Q

How can osteoporosis be defined by using BMD testing?

A

Without secondary causes, it can be diagnosed when femur neck, total hip or composite lumbar vertebrae parentheses to or more vertebrae) he has a T score that is -2.5 or less.

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3
Q

What if hip or spine cannot be accurately measured?

A

DEXA of the distal third of the radius can be used

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4
Q

What is the clinical diagnosis of osteoporosis?

A

Based on the presence of fragility fractures, especially in the hip or vertebral compression fracture

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5
Q

How can osteoporosis diagnosis happen for pre-menopausal women and men under 50?

A

By fragility fracture and low bone mass on DEXA, define by Z score less than -2

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6
Q

What can be used to screen for osteoporosis other than central DEXA?

A

Quantitative, calcaneal ultrasonosonography or peripheral DEXA, however abnormal results require confirmation by central DEXA

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7
Q

What is the benefit of using quantitative CT which provides an equivalent DEXA T score? What are the drawbacks?

A

It’s not hindered by degenerative changes in the lumbar spine, and is highly sensitive for vertebral compression fractures; cost and radiation exposure are much greater

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8
Q

What organization recommend pharmacologic treatment for osteoporosis?

A

The US national osteoporosis foundation

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9
Q

Foundation recommends pharmacologic treatment for which patients?

A

Osteoporosis related hip or spine fracture
BMD T score of -2.5 or less.
BMD T-score between -1 and -2.5 and a 10 year risk for hip fracture of 3% or greater, Or risk for major osteoporosis related fracture of 20% or greater as estimated by FRAX

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10
Q

When pharmacotherapy be used for prevention of BMD?

A

Post menopausal women at risk of osteoporosis and
Prevent or treat glucocorticoid-induced osteoporosis

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11
Q

What Oral Bisphosphonates are the first line treatments for osteoporosis in postmenopausal and men older than 50?

A

Alendronate and Risesronate

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12
Q

What osteoporosis prevention can be given to GIO patients?

A

Risesronate, Zoledronic acid IV, Denosumab

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13
Q

What are the indications of giving intervenous Zoledronic acid? What is the frequency?

A

If the patient has upper G.I. symptoms, or any difficulty taking oral Bisphosphonates; once annually

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14
Q

zoledronic acid given every 18 months for six years can reduce what risk and women?

A

Vertebral, and non-vertebral fracture in women with osteopenia

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15
Q

What are the contraindications for using bisphosphonates?

A

GFR less than 35… and should not be given until vitamin D deficiency and hypocalcemia are treated, if present

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16
Q

What are the rare adverse effects of anti-resorptive agents?

A

Osteonecrosis of the jaw and atypical femur fracture

17
Q

What are the pattern of anti-resorptive agent side effects?

A

 Osteonecrosis of the jaw can happen at any point in therapy. A typical femur fracture appears to increase with duration of therapy.

18
Q

How can you prevent the adverse effects of anti-resorptive agents?

A

Drug holiday after three years if I V, and after five years if oral

19
Q

What should be supplemented in Osseo porosis patients?

A

National Academy of medicine recommends calcium intake of 1000 to 1200 mg per day ideally from dietary sources
Vitamin D supplement of 1000 IU per day is appropriate for osteoporosis care

20
Q

Describe Denosumab?

A

Receptor activator of nuclear factor, KB Ligon inhibitors. Monoclonal antibody that inhibits osteoclast activation. Inhibits bone resortption, increases bone density, reduces the incidence of osteoporotic fractures

21
Q

When is Dunas in a preferred in patient?

A

Patients with stage 4 chronic kidney disease, and those who are intolerant or incompletely responding to bisphosphonate therapy

22
Q

What are the adverse effects of Denosumab?

A

Hypocalcemia, especially in older patients with vitamin D, deficiency, or CKD.
Increase rate of cellulitis and bronchitis .
Medication related osteonecrosis, and a typical femur fracture

23
Q

Anabolic agents such as teriparatide, stimulate bone formation by mimicking what hormone? What are these agents used for?

A

Recombinant human PTH; high risk for fracture postmenopausal, and GIO patients.
Also, for men with primary or hypergonadism related osteoporosis, who are high risk .

24
Q

What is the route of administration for anabolic agents? What is the duration limit for this treatment?

A

 Daily subtitaneous injections; two years

25
Q

What should be done to prevent loss of newly formed bone after anabolic treatment

A

Sequential therapy of anti-resorptive agents one month after completing the anabiotic treatment course

26
Q

What are the nonpharmacologic management for osteoporotic patients?

A

Weight, bearing, resistance, and balance exercising