Ischemic Stroke

Blockage of brain blood vessel

H21 Topic Guide

Cerebrovascular Neurology

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What is this Condition?

Ischemic stroke occurs when a brain blood vessel is blocked by a clot or atherosclerotic plaque, causing brain tissue damage due to lack of blood supply. It accounts for approximately 85% of all strokes. 'Time is brain' - millions of neurons are lost every minute. Treatment within the first 4.5 hours increases success rates.

Diagnosis Methods

Emergency brain CT rules out bleeding. MR diffusion detects early ischemia. CT or MR angiography identifies the blocked vessel.

Treatment Methods

IV thrombolysis (clot-dissolving medication) within first 4.5 hours; mechanical thrombectomy for large vessel occlusions.

References

  1. Greenberg MS. Handbook of Neurosurgery. 10th ed. Thieme; 2023:1562-1563.
  2. Greenberg MS. Handbook of Neurosurgery. 10th ed. Thieme; 2023:1589.
  3. Cerebrovascular Neurosurgery (2019:159-163.
  4. Chartrain AG, et al. Complications of Endovascular Thrombectomy. In: Cerebrovascular and Endovascular Neurosurgery. Springer; 2018:378.

This content is for informational purposes and based on academic sources; consult your physician for diagnosis and treatment.

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Ischemic Stroke (ICD-10: I63) | Dr. Özgür AKŞAN