Does intermittent alveolar overdistension for 30 or 240 minutes produce acute lung injury in normal pig lung?
In this animal model, ventilation for 4 h with large tidal volume did not cause ventilator-induced lung injury.
Severe vitamin D deficiency is associated with commonly presenting extra-skeletal diseases in medical inpatients. With the exception of infections, this association is mainly driven by age. Additional studies are needed to determine whether vitamin D testing on admission may help stratifying specific categories of patients by clinical severity.