AANS Neurosurgeon | Volume 29, Number 2, 2020


New Method May Help Predict Risk of Bleeding After Stroke

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A new scoring method may help predict who is at high risk of serious bleeding after a stroke, according to a study.

After a stroke caused by a blood clot resulting in a blockage in a blood vessel in the brain, many people are given medication to prevent further clots from occurring. But these medications also increase the risk of major bleeding problems that can cause death or disability.

For this new scoring method, the researchers looked at people who were taking antiplatelet drugs after an ischemic stroke or a transient ischemic attack (TIA), or mini-stroke. These strokes were likely caused by clots that originated in the arteries to the brain or neck. Antiplatelet drugs include aspirin and clopidogrel. They did not include people whose blood clots may have originated in the heart and traveled to the brain, such as people with irregular heartbeats, including atrial fibrillation. The study did not look at anticoagulant drugs such as warfarin.

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