Thrombolysis Flashcards
2 drugs?
Streptokinase
Alteplase
Streptokinase
Activates ? to form ?, however it is antigenic and the development of streptococcal antibodies thus precludes repeated use.
plasminogen
plasmin
Alteplase;
Recombinant tissue type ? activator (t-PA), again leading to increased ? activation and ?.
Not antigenic, but has a slightly higher risk of ? haemorrhage.
plasminogen
plasminogen
fibrinolysis
intracerebral
These can be used in ? or ?
MI
Stroke
Contra-indications
Active ?. ---o Any sign of ? ? in stroke. ---o Suspected ? ? in ACS. Recent ? trauma. Severe ? {>200/120).
bleeding intracerebral haemorrhage aortic dissection head hypertension
Contra-indications
Recent ? (2 months).
? or recent ? {10 days).
Severe ? disease/ oesophageal ?.
Prolonged / traumatic ?.
surgery preg delivery liver varices CPR
Alteplase is no longer contra-indicated in patients with a history of ? haemorrhage, ? at stroke onset, or bleeding diatheses (e.g. low ? count, on ?/?)
intracerebral
seizure
platelet
warfarin/heparin