Chapter 9- Blood & Nutrition Flashcards
Why do they use hydroxycarbamide in sickle cell disease
It can reduce the frequency of crises and the need for blood transfusions
Which gender is G6PD deficiency most common in?
Males
What ethnicity is G6PD deficiency most common in
African
Asian
Oceania
Southern Europe
Patients with G6PD deficiency are susceptible to what when they take certain drugs
Acute haemolytic anaemia
True or false: darbepoetin has a longer half life than epoetin therefore can be administered more frequently
False - less frequently
Haemoglobin target
10-12g/100ml
True or false: ascorbic acid can increase the absorption of iron
True
There have been reports of what with IV iron
Serious hypersensitivity reactions
Iron PO can cause what side effects
Constipation that can lead to faecal impaction Diarrhoea Epigastric pain GI Nausea
When the haemoglobin is in range- treatment with iron should continue for how long
3 months to replenish the iron stores
Most megaloblastic anaemias result from a lack of either of what two things
Vitamin B12
Folate
What do you give if someone has megaloblastic anaemia due to vitamin B12 deficiency
Hydroxocobalamin every 3 months (which has replaced cyanocobalamon due to its longer half life)
For folate deficient megaloblastic anaemia what is given?
Daily folic acid for 4 months
Other that folic acid, what is good in folate deficient megaloblastic anaemia
Folinic acid (calcium folinate) but generally used in association with cytotoxic drugs
Caution with folic acid?
Never give alone for pernicious anaemia (may precipitate subacute combined degeneration of the spinal cord)
Folic acid can be sold to the public providing the dose does not exceed what?
500mcg