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After a stroke caused by a blocked blood vessel, doctors can perform emergency mechanical thrombectomy—a procedure that removes the clot and restores blood flow to the brain. However, in about 20–25% of patients, this restored blood flow can paradoxically cause bleeding inside the brain. This study uses ultrasound and MRI scans, along with blood tests, to understand why this dangerous bleeding happens and who is most at risk.
Currently, doctors cannot reliably predict which patients will experience bleeding after this emergency stroke treatment, and there is no proven way to prevent it. Understanding the warning signs could help doctors better care for stroke patients and prevent serious complications that delay or prevent other necessary medications.
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You would have bedside ultrasound scans of your brain blood flow performed right after your stroke treatment, then again 24–48 hours later and on day 7. You would also have an MRI scan of your brain and blood tests on the day after treatment. All measurements and scans are standard monitoring that doctors would normally do; this study simply collects and analyzes the results to find patterns that predict complications.
AI-generated summary from trial data · Jul 22, 2026 · Not medical advice
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