Bleeding from tiny blood vessels in the skin may produce small purplish spots (
called purpura
) on the legs.
These drugs are sometimes used to treat patients with a low platelet count due to idiopathic
thrombocytopenic purpura
( itp ).
Purpura haemorrhagica
is very low, its occurrence cannot be ruled out completely.
However, in the condition known as thrombotic
thrombocytopenia purpura
the use of platelet concentrates is in fact particularly hazardous.
Thrombotic thrombocytopenic purpura
occurs in approximately one person in a million ( elkins et al, 1996 ).
Post-transfusion purpura
post-transfusion purpura
( ptp ) is a rare but serious transfusion reaction occurring 5 to 12 days after the transfusion of blood.
Bruising, purpura
and petechiae have also been reported.
There is an associated increase in capillary fragility which presumably can account for the occasional cases of non-
thrombocytopenic purpura.
Post
transfusion purpura
( 5 ) accounted for 1.7 % and 4 transfusion transmitted infections were reported.
Post transfusion purpura
( 5 ) accounted for 1.7 % and 4 transfusion transmitted infections were reported.
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