you have to have at least 1750 hours of direct bedside care of acutely or critically ill patients during the previous two years http://www.aacn.org/WD/Certifications/Content/initial_ccrn_certification.pcms?menu=Certification
this is almost EXACTLY how our policy reads... I sit on the Organ Donation Committee of our health system (as the NSICU rep) and can tell you that shaping this policy was VERY difficult and it can be even more difficult to execute, but it is definite...
DI is a concern in TBI pt's due to injury to the pituitary gland (specifically hemorrhage) see: http://www.emedicine.com/pmr/TOPIC109.HTM http://www.ncbi.nlm.nih.gov/pubmed/16508710
it's not as rare as you think... i'd say that approx 50% of our crani for tumor pt's experience this post-op. and this is coming from one of the top ranked neurosurg programs (sadly) lol
some of our surgeons request that we use high flow oxygen for our pneumocephalic pt's as well. this is a controversial practice. there are a few studies out there, here's a link to the most recent: http://thejns.org/doi/abs/10.3171/JNS/2008/108/5/0...
let's see... most common in my neck of the woods: neosynepherine, levophed, dopamine, dobutamine, vasopressin, nicardipine, esmolol, amiodarone, cardizem, fentanyl, midazolam, propofol, lasix