This is a very interesting paper about the links between prolonged ICU patients and ME/CFS.
"Finally, we suggest that immediate collaborative efforts
should be sought among the researcher community in order to conduct longitudinal studies with the aim of identifying similarities and differences across prolonged critical illness, post ICU syndrome, ME/CFS, fibromyalgia and long-COVID in relation to the hormonal axes, O&NS and pro-inflammatory response with the objective of discovering diagnostic and therapeutic targets mitigating the functional disability that these conditions induce."