Anemia Pharm Flashcards

1
Q

2 classes for Anemia treatment

A

erythropoiesis stimulating agents

vitamins and minerals

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2
Q

erythropoiesis stimulating agent prototype drug

A

epoetin alfa (Epogen, Procrit)

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3
Q

MOA of epoetin alfa (Epogen, Procrit)

A

Mimics human erythropoietin

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4
Q

epoetin alfa is FDA-approved to maintain RBC counts in patients with:

A

Chronic kidney failure

HIV infection on drug therapy

Anemia 2° chemotherapy in certain cancers

Pre-operative in patients with anemia

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5
Q

route of epoetin alfa

A

sub-Q

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6
Q

What needs to be weighed with epoetin alfa

A

RISKS vs BENEFITS

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7
Q

What is increased in chronic kidney disease with epoetin alfa

A

Increased mortality and serious cardiovascular events

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8
Q

What is increased in cancer with epoetin alfa

A

Increased mortality and tumor progression

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9
Q

what is increased in surgery patients with epoetin alfa

A

Increased thromboembolic events and mortality

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10
Q

When do we not initiate epoetin alfa therapy

A

Hgb >= 10

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11
Q

dosing of epoetin alfa

A

lowest dose possible to reduce the need for transfusion

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12
Q

2 nursing implications for epoetin alfa

A

Monitor BP before and during therapy

Monitor Hgb levels

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13
Q

Where is Dietary Iron found

A
collard greens
choy
tomatoes
green beans
brussel sprouts
broccoli
kale 
spinach
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14
Q

2 forms of dietary iron

A

heme

non heme

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15
Q

heme iron

A

40 percent of the iron in meat, poultry, and fish

Well absorbed

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16
Q

non heme iron

A

Non-heme iron
60 percent of iron in animal tissue

All the iron in plants (fruits, vegetables, grains, nuts)

Less well absorbed

17
Q

Iron therapy prototype drug

A

Ferrous Sulfate

18
Q

indications for ferrous sulfate

A

Iron deficiency / Prevention

19
Q

MOA for Ferrous Sulfate

A

Taken up by bone marrow cells to make hemoglobin

20
Q

A/E of Ferrous Sulfate

A

GI disturbances
Teeth staining
Tarry Stools

21
Q

dosage issues for iron therapy

A

Ferrous sulfate only contains 20% elemental iron by weight

Elemental iron - available for absorption

22
Q

Interactions for Iron Therapy

A

Antacids reduce absorption

Food helps prevent GI side effects

Food decreases absorption by 50-70%

23
Q

Toxicity of Iron Therapy

A

Risk of overdose

Stomach pain, N & V, diarrhea

24
Q

Parenteral Iron (IM/IV) prototype drug

A

Iron Dextran (DexFerrum)

25
Q

Indication of Iron Dextran

A

Clear diagnosis of iron deficiency

Oral iron is intolerable or ineffective

26
Q

black box warning of Iron Dextran

A

potentially fatal anaphylaxis

27
Q

Safety implications of Iron Dextran

A

Only use when absolutely necessary

Epinephrine and CPR equipment

Small “test” dose before each full dose

28
Q

Disadvantages of Iron Dextran (IM)

A

Persistent pain
Discoloration
Tumors
Risk of anaphylaxis

29
Q

Vitamin B12 prototype

A

Cyanocobalamin

30
Q

Indication for B12 therapy

A

B12 deficiency

31
Q

route of Vitamin B12

A

Oral

32
Q

Adverse effects of vitamin b12

A

hypokalemia

33
Q

MOA of folic Acid

A

Converts to the active form of folic acid after administration

34
Q

Indications of Folic Acid

A

Treatment of folic acid deficiency anemia
Prophylaxis of folate deficiency
Initial treatment of severe anemia from vitamin B12 deficiency

35
Q

Adverse effects of folic acid

A

none

36
Q

Folic acid can do what to b12

A

mask deficiency

37
Q

vitamins and minerals for anemia

A

Iron (ferrous sulfate)
Vitamin B12
Folic acid