Cerebral DSA means Digital Subtraction Angiography of brain vessels.
Indications of cerebral DSA are
• Subarachnoid hemorrhage: all cases of non-traumatic SAH
• Intracerebral hemorrhage including IVH:
abnormal vessels seen on CT/MRI
Brain Ischemia/Stroke/ TIAs
• Recurrent or crescendo TIAs (Transient Ischemic Attacks)
• Ischemic stroke
• Extra or Intra- cranial stenosis of cerebral vessels on Doppler/ CTA/ MRA
• Suspected arterial dissection
Step 1: Femoral artery is punctured and sheath is placed in femoral artery.
Step 2: Then catheter (yellow) is taken in both carotid arteries and angiogram is done.
Step 3: Then catheter (yellow) is taken in both vertebral arteries and angiogram is done.
Step 4: Finally catheter and sheath are removed.
CASE: 66yrs male with suspected vasculitis