We are using that diagnosis to describe the, in some cases, profound weakness we are seeing in some long term ventilated patients. It is caused by a combination of sedation, severe illness/sepsis and in some cases nutritional deficit as well as renal compromise.
I found some GOOD links
http://www.cdc.gov/nchs/data/icd9/icd501a.pdf
http://www.aic.cuhk.edu.hk/web8/crit...neuropathy.htm
http://www.ncbi.nlm.nih.gov/entrez/q...&dopt=Abstract
http://www.co-criticalcare.com/pt/re/cocritcare/abstract.00075198-200504000-00006.htm;jsessionid=CT3rPxC1QzlA9lKagKstMlUjDZosW Nk2uaqaQB29iIBnLaN27v7M!-1826700870!-949856032!9001!-1