Yield of further diagnostic work-up of cryptogenic subarachnoid hemorrhage based on bleeding patterns on computed tomographic scans.

@article{Andaluz2008YieldOF,
  title={Yield of further diagnostic work-up of cryptogenic subarachnoid hemorrhage based on bleeding patterns on computed tomographic scans.},
  author={Norberto O Andaluz and Mario Zuccarello},
  journal={Neurosurgery},
  year={2008},
  volume={62 5},
  pages={
          1040-6; discussion 1047
        }
}
BACKGROUND Subarachnoid hemorrhage (SAH) is cryptogenic in 15% of cases. Despite reports of proven recurrence, additional diagnostic studies are not often recommended when no abnormalities were identified on the initial study with digital subtraction angiography (DSA). In our retrospective review of outcomes after cryptogenic SAH, we identify diagnostic strategies that most often yielded the source of bleeding. METHODS Of 719 patients admitted with SAH from 1998 to 2003, 92 (12.8%) patients… CONTINUE READING

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