A new study led by Western University and Lawson Health Research Institute has found that most patients entering hospital intensive care units (ICU) for non-brain-related injuries or ailments also suffer from some level of related cognitive dysfunction that currently goes undetected in most cases.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/icu-patients-with-non-brain-related-injuries-may-suffer-undetected-cognitive-dysfunction