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Nasotracheal intubation was advocated to increase patients comfort and tube tolerance, but no study showed a clear benefit of nasotracheal intubation over orotracheal intubation. Neurocritically ill patients are a fragile group with specific requirements regarding ventilation and sedation. The aim of this study was to evaluate whether nasotracheal intubation might reduce length of mechanical ventilation in neurocritically ill patients.We conducted a retrospective cohort study with propensity matched analysis including all patients who underwent prolonged mechanical ventilation in the neurocritical Intensive Care Unit.A total of 4030 patients were admitted during the period of interest and 312 entered the final analysis. Propensity score analysis identified 74 matched couples. Length of mechanical ventilation in patients who underwent early nasotracheal intubation resulted to be statistically significantly shorter than patients who underwent orotracheal intubation. Accordingly, length of sedation was significantly lower in patients with nasotracheal intubation, while no difference in complications occurred with similar length of stay.In critical care units using nasotracheal intubation in the standard management of patients, the nasotracheal route was associated with lesser need for sedatives leading to shorter mechanical ventilation in neurocritical patients. However, causality has to be proven by future randomized controlled trials.