... Riyadh, Kingdom of Saudi Arabia2Associate Consultant, Intensive Care Department (MC 1425), King Abdulaziz Medical City, Riyadh, Kingdom of Saudi Arabia3ICU Pulmonary Fellow, Intensive Care ... Department (MC 1425), King Abdulaziz Medical City, Riyadh, Kingdom of Saudi Arabia4Chairman, Intensive Care Department (MC 1425), King Abdulaziz Medical City, Riyadh, Kingdom of Saudi ArabiaCorresponding ... multiple trauma Early tracheostomy ≤4 daysLate Tracheostomy >4 days↓Duration of MV, ↓incidence of nosocomial pneumonia[14] Retrospective 31 Head trauma Early tracheostomy ≥7 daysLate tracheostomy...