When observing ICU Mechanically ventilated adult veteran patients (P), does oral care every 4hr with chlorhexidine (I) compared to inconsistent oral care or other oral hygiene products (C) decrease the incident of ventilator associated pneumonia (VAP) (O) within hospitalization admission(T)?

PICOT statement : When observing ICU Mechanically ventilated adult veteran patients (P), does oral care every 4hr with chlorhexidine (I) compared to inconsistent oral care or other oral hygiene products (C) decrease the incident of ventilator associated pneumonia (VAP) (O) within hospitalization admission(T)?