XX. AV Malformations
XXI. Ischemic Cerebrovascular Disease
A. Hypertension is a lot worse than hypotension.
Remember that blood pressure swings are to be
expected when the carotid clamp is taken off and
the carotid body is exposed to pressures it may
have seen in the past. Don't be too aggressive
about treating hypotension - it can change quickly
into severe hypertension.
B. Use a narcotic technique and low dose isoflurane,
then control B/P swings with phenylepherine and
nitroprusside. Aim for a mean B/P of 90-100. PaCO2
should be about 40.
C. Surgeon may be encouraged to inject the carotid
sinus with local anesthetic to reduce B/P swings.
Pregnancy