Both surgeries are urgent the debate is which one is more urgent:
A slowly progressing meningioma or a floating thrombus in the carotid?
The mass effect and the edema around the meningioma did not happen over night and most likely are not going to kill this patient within the next few days.While the thrombus can decide to obstruct the flow or migrate more distally any time.
I did not see the "signs of herniation" that you mentioned in the original post.
As for which anesthetic to use for the CEA the answer is: good old GA and avoiding any crazy things that could cause significant ICP increases (don't intubate half awake, don't let him hurt too much, keep the BP under control, hyperventilate a little...) you know all these things I am sure.
You definitely don't want to do carotid surgery awake on an agitated disoriented 80 Y/O.
I like your theory about Xanax ---> High ICP ---> High BP ---> Chest pain
But could this simply be an MI happening in front of your eyes?
I am sure we agree that it is a fair possibility and we need to treat this possibility, so the question is how do we treat a possible acute myocardial ischemia in this patient:
We do all the things we need to do in any patient with acute myocardial ischemia because our priority is to not let him have an MI before any of these talented surgeons can get to operate on him.
If you need NTG give NTG, trust me the brain will be OK.
Aspirin is OK too, he probably is on Aspirin already or at least I hope so.
I wouldn't give him a thrombolytic agent though if I were you
😀
Nice questions.djipopo
can one of the attendings explain to me why the prevailing belief seems to be to treat the thrombus before the meningioma?
i understand that both are very serious issues affecting this patient but it sounds like the pt has signs of elevated icp and herniating could be a big risk, thus the need for urgent(?) intervention.
however, the thrombus is a big problem too, given the risk of embolism, which may have happened already and if the pt goes for resection of the mass, anticoagulation would have to be held which increases the risk of propagation of the thrombus.
that said, if you were to do a CEA how would you do it??? if you wanted to do it under local you probably won't be able to monitor neuro status in this guy and you would be limited in terms of how much, if any, sedation you could give in order to avoid increasing ICP any further. the other option would be a GA with some degree of hyperventilation +/- neuromonitoring or a NIRS monitor.
AND now what about this c/o chest pain? the elevated BP could be a compensatory effect for an elevated ICP from the xanax that some fool gave him, would you still treat it? would you still give aspirin if he's going to have 2surgical procedures soon? how about NTG? don't you worry about the vasodilation causing elevated ICP --> herniation?
please help me sort these issues out, i just want to learn and better my practice!