Anti-Platelet Drugs Flashcards
what is the MoA of aspirin?
inhibits cyclooxygenase which is needed to produce thromboxane A2 (a platelet agonist)
what are the possible side effects of aspirin?
bleeding
blocked production of prostaglandins
what can blocking production of prostaglandins cause?
GI ulceration
bronchospasm
name two ADP receptor antagonists
clopidogrel
prasugrel
what is the MoA of aspirin?
a phosphodiesterase inhibitor
increases production of cAMP which reduces platelet aggregation
name a GPIIbIIIa inhibitor
abciximab
what is the MoA of abciximab?
inhibits platelet aggregation
when should anti platelet drugs be stopped prior to elective operations?
seven days before
how can anti platelets be reversed if there is severe bleeding?
by giving a platelet transfusion