The 2018 American Heart Association/American Stroke Association (AHA/ASA) guidelines stated that the administration of intravenous recombinant tissue-type plasminogen activator (rTPA) for acute ischaemic stroke is probably safe for patients with small (i.e. <10 mm) unruptured intracranial aneurysms. We present 2 cases of small (2 and 5 mm) lenticulostriate artery (LSA) aneurysms which ruptured immediately following rtPA infusion. The ensuing acute intracranial haemorrhages resulted in the death of one patient and severe functional impairment for the other. Given the limited literature available, the natural history of LSA aneurysms is largely unknown. This report suggests that LSA aneurysms, regardless of size, be considered separately from other conventional aneurysms as "high-risk" lesions and a contraindication to thrombolysis.

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http://dx.doi.org/10.1016/j.jocn.2018.10.087DOI Listing

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The 2018 American Heart Association/American Stroke Association (AHA/ASA) guidelines stated that the administration of intravenous recombinant tissue-type plasminogen activator (rTPA) for acute ischaemic stroke is probably safe for patients with small (i.e. <10 mm) unruptured intracranial aneurysms.

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Background: Intracranial aneurysms are currently considered as contraindication for intravenous thrombolysis in acute ischemic stroke, very likely due to a possible increase in the risk of bleeding from aneurysm rupture; however, there is limited data available on whether intravenous thrombolysis is safe for acute ischemic stroke patients with pre-existing intracranial aneurysms.

Aims And/or Hypothesis: To find out the safety of intravenous thrombolysis in acute ischemic stroke patients who harbor unruptured intracranial aneurysms.

Methods: We retrospectively reviewed the medical records and cerebrovascular images of all the patients treated with intravenous thrombolysis for acute ischemic stroke in our center from the beginning of 2006 till the end of April 2014.

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Background: Management of ischemic stroke in the presence of aneurysmal brain disease is controversial. Recent retrospective evidence suggests that in selected patients, intravenous thrombolysis (IVT) remains a safe approach for reperfusion.

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