Compound that may prevent stroke in survivors of brain aneurysms

So ask your doctor after you survived your burst aneurysm what exactly they are doing to prevent vasospasms that will cause an ischemic stroke in the next couple of days. You do expect your doctor to know the answer, don't you?
The article here;
http://www.medicalnewstoday.com/releases/266894.php
The research here;
A Glutamate Receptor Antagonist, S-4-Carboxyphenylglycine (S-4-CPG), Inhibits Vasospasm After Subarachnoid Hemorrhage in Haptoglobin 2 to 2 Mice