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Table 1 Demographic data of 16 patients with contrast medium extravasation on computed tomography angiography (CTA)

From: Intracranial extravasation of contrast medium during diagnostic CT angiography in the initial evaluation of subarachnoid hemorrhage: report of 16 cases and review of the literature

Characteristic

Value

Sex (M/F)

5/11

Age (mean ± SD, range)

71.6 ± 10.6, 53 - 96

WFNS Grade

V: 16 (incl, 1 resuscitated from CA)

Aneurysm location

   AcoA

6

   ICA

4

   MCA

3

   VA

2

   ACA

1

Cardiopulmonary complications

   Pulmonary edema

5

   Stunned myocardium

4

Antithrombotic agents

aspirin: 2

 

aspirin and warfarin: 1

Episode of rerupture before CTA

10

Time from onset to arrival (minutes)*

43.7 ± 27.5

Time from onset to CTA (minutes)*

71.8 ± 25.4

Systolic BP (mmHg)

   On arrival

163.8 ± 62.0

   Before CTA

119.5 ± 41.2

   After CTA

118.7 ± 44.1

Outcome (Glasgow Outcome Scale)

   GR

1

   MD

1

   D

14

  1. WFNS World Federation of Neurosurgical Societies, CA cardiac arrest, CTA computed tomography angiography, AcoA anterior communicating artery, ICA internal carotid artery, MCA middle cerebral artery, VA vertebral artery, ACA anterior cerebral artery, BP blood pressure, GR good recovery, MD moderate disability, D death.
  2. * Calculated from the 11 patients in whom exact onset time was identified.
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