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Subarachnoid haemorrhage.

Jan van Gijn1, Richard S Kerr, Gabriel J E Rinkel

  • 1Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, 3584CX Utrecht, Netherlands. J.vanGijn@umcutrecht.nl

Lancet (London, England)
|January 30, 2007
PubMed
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Subarachnoid haemorrhage, often presenting as sudden severe headache, requires prompt diagnosis via CT scans and lumbar puncture. Aneurysmal rupture is the primary cause, with aneurysm occlusion being crucial to prevent rebleeding and reduce high mortality rates.

Area of Science:

  • Neurology
  • Neurosurgery
  • Emergency Medicine

Background:

  • Subarachnoid haemorrhage (SAH) is a rare but serious stroke type, often affecting younger individuals.
  • Sudden severe headache is the hallmark symptom, though onset details may be unclear.
  • Initial CT scans can be normal, necessitating further diagnostic steps.

Purpose of the Study:

  • To outline the diagnostic and management strategies for subarachnoid haemorrhage.
  • To highlight the critical importance of early aneurysm occlusion.
  • To discuss complications and their management.

Main Methods:

  • Review of diagnostic procedures including CT brain scanning and lumbar puncture.
  • Discussion of treatment modalities for aneurysm occlusion: endovascular coiling and neurosurgical clipping.

Related Experiment Videos

  • Management strategies for complications such as delayed cerebral ischaemia and hydrocephalus.

    • Main Results:

    • Aneurysms cause 85% of SAH cases, with a 50% case fatality rate.
    • Rebleeding is a significant immediate risk, emphasizing the need for prompt aneurysm occlusion.
    • Delayed cerebral ischaemia and hydrocephalus are common complications requiring specific interventions.

    Conclusions:

    • Early diagnosis and intervention are vital for improving outcomes in subarachnoid haemorrhage.
    • Endovascular coiling is the preferred method for aneurysm occlusion, followed by clipping when necessary.
    • Prophylaxis and management of complications like delayed cerebral ischaemia and hydrocephalus are essential.