The purpose of this study is to examine the risk factors for aneurysm rebleeding.

To investigate risk factors for spontaneous aneurysm rebleeding during hospitalization and to reach conclusions if any,of clinical signs for predicting rebleeding.

Inclusion Criteria:

• Individual whose clinical course was clear enough to be traced back and whose conservative treatment duration was shorter than 6 weeks was included

Exclusion Criteria:

• Rebleeding patients with certain inducing factors such as:

  • severe emotional episode,

  • severe coughing,

  • constipation,

  • excessive activities, or

  • with coagulation disorder,or

  • with other intracranial vascular malformations,such as:

    • moyamoya disease,
    • arteriovenous malformation were excluded.

• Also patients who rebled while angiography were excluded.

A total of 66 SAH patients were enrolled in this study