Sohail Khan: What Comes After IV Thrombolysis
Sohail Khan, Medical Student at Khyber Medical College, shared a post on LinkedIn:
“You have administered intravenous thrombolysis for an acute ischaemic stroke.
When is it safe to initiate antiplatelet therapy?
Major clinical guidelines (AHA/ASA, NICE) recommend withholding antiplatelet agents for 24 hours post-thrombolysis.
Clinical management sequence:
Defer for 24 hours: Hold aspirin, clopidogrel, or parenteral anticoagulants for at least 24 hours following alteplase or tenecteplase infusion.
Early administration significantly increases the risk of symptomatic intracranial haemorrhage.
Follow-up neuroimaging: Obtain a repeat non-contrast CT or MRI brain scan at 24 hours to rule out haemorrhagic transformation.
Initiate antiplatelet therapy: Once post-thrombolysis imaging excludes bleeding, start aspirin (160–300 mg daily).
Special exception: In patients undergoing endovascular thrombectomy who require emergent carotid or intracranial stenting, antiplatelet timing must be individually tailored in consultation with a stroke consultant and neurointerventionalist.
Key takeaway: Always confirm the absence of intracranial haemorrhage on 24-hour follow-up imaging before giving the first dose of aspirin post-thrombolysis.”
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