(ii) Sedation and weaning protocols for those patients who do
require mechanical ventilation, (iii) Mechanical ventilation protocols including head of bed elevation
above 30 degrees and oral care, and (iv) Removal of subglottic secretions. Other interventions, such as
selective digestive tract decontamination, selective oropharyngeal decontamination and antimicrobialcoated
endotracheal tubes, have been tested in different studies