“…(19) Thus, early extubation should be considered, to favor the patients evolution and to reduce the ICU stay, consequently reducing hospital costs, (20) as mechanic ventilation patients represent more than 50% of total costs in this institution. (21) Additionally, aged IMV patients had increased polyneuropathy rates, suggesting that just need of IMV can be directly related to severe muscle strength loss in this population, and difficult respiratory weaning. Studies have shown that polyneuropathy begins early, within the first 72 hours in septic shock patients.…”