Chronic Anemia Flashcards
Anemia is generally shown when the Hgb levels are
<11 g/dL
What patient population experiences anemia more commonly?
Women during reproductive years
Anemia is very common in patients with what 2 comorbid conditions?
- Cancer
- Chronic Kidney disease
What is the process stimulated by?
Erythropoietin
What do reticulocytes mature into?
Erythrocytes
What are 6 symptoms of anemia?
- Fatigue
- Lethargy
- SOB
- Headache
- Edema
- Tachycardia
True or False: Anemia is seen as a cause of disease rather than a marker
False
What are the 3 main causes of anemia?
- Decreased RBC production
- Increased RBC destruction
- Blood loss
What 3 things can cause a decrease in RBC production?
- Hypoproliferative bone marrow
- Decreased production of EPO or decreased response to EPO
- Nutritional deficiencies
What 2 things can cause hypoproliferative bone marrow?
- Cancer
- Chemotherapy
What 2 things can cause a decrease in EPO or decreased response to EPO?
- CKD
- Other inflammatory conditions
What are 3 nutritional deficiencies that can cause anemia?
- Iron
- Vitamin b12
- Folic acid
What does chemotherapy decrease the production of?
Mature erythrocytes
When are blood transfusions the most useful?
In severe anemia and life threatening anemia
What Hgb level is considered severe anemia?
<8
What Hgb level is considered life threatening anemia?
<6.6
Blood transfusions are most useful in cases of ______
Active bleeding
What are 2 medications that can increase the production of RBCs?
- Epoetin Alfa
- Darbepoeitin
When are the ESAs used?
To prevent and treat anemia associated with cancer and chemotherapy
True or False: both ESA agents are considered equivalent
True
What are 4 ADRs of the ESAs?
- Venous thromboembolism
- Hypertension
- Cardiovascular events
- Stroke
ESAs are not indicated in patients who are receiving chemotherapy and the anticipated outcome is _______
Cure
ESAs should not be used to treat anemia associated with cancer if the patient is not what?
Receiving myelosuppressive chemotherapy
ESAs are not generally recommended in patients with _________
Hematologic malignancies
ESA therapy should not begin until the Hgb level is
<10 g/dL
Hgb should be increased to the ______ concentration needed to avoid what?
Lowest; blood transfusion
What are all ESAs apart of?
REMS program
Evaluation of anemia should be initiated in patients with what stage of CKD?
Stage 3 or higher
What is the target hemoglobin for anemia caused by CKD?
10-12 g/dL
What brand of ESA is only used for CKD?
Epogen
Epoetin Alfa
PROCRIT
Darbepoeitin Alfa
ARANESP
Adverse effects from ESAs are more common in patients with CKD with what Hgb level?
> 13 g/dL
What are 2 chronic autoimmune diseases where anemia is common?
- RA
- SLE
What is the most common cause of anemia worldwide?
Iron deficiency anemia
What patients is iron deficiency anemia most common in?
Young children and women of childbearing age
What is iron stored as?
Ferritin
What are 3 functions of iron in the body?
- Oxygen transport
- Electron exchange
- Control of toxic free radicals
What are 4 unique symptoms associated with iron deficiency anemia?
- Hair loss
- Pica
- Kolionychia
- Inflammation of the angles of the mouth
Diet supplementation alone is usually _____
Inadequate
What is the goal for elemental iron per day?
200 mg
When is absorption best for iron?
One hour before meals
What are 4 most common ADRs when taking iron?
- Constipation
- Discoloration of feces
- Nausea and vomiting
- Heartburn
What is the goal for iron replacement?
1000 mg per treatment course
What 5 ADRs can be caused by IV iron replacement?
- Anaphylaxis
- Infusion related reactions
- Cramps
- Diarrhea
- Hypotension
What 4 things can cause vitamin b12 deficiency?
- Poor intake
- Malabsorption
- Inadequate utilization
- Medications
How would you treat a vitamin b12 deficiency?
- Treat underlying problem
- Replacement
What 3 things can cause a folate deficiency?
- Inadequate intake
- Malabsorption
- Increased requirement
How do you treat folic acid?
Replacement
What can an increase in destruction of RBCs be caused by?
Steroids