• Benedict Osorio, Rebecca Krakora, Geraldine Epping, Drew Wright, and Kapil Rajwani.
• NewYork-Presbyterian Hospital, New York, United States.
• Semin Respir Crit Care Med. 2024 Oct 21.

AbstractSwallowing is a complex process that involves over 50 muscles and nerves and has two critical roles: passing food from the oral cavity through the pharynx and into the esophagus and preventing contents from entering the airway. If a patient's swallowing physiology or airway protective mechanisms are disturbed, the airways and the lungs have innate defense systems to protect against injury and infection. However, critically ill patients are more likely to develop dysphagia, which is an impairment or malfunction in any aspect of the swallowing mechanism, due to the numerous interventions they undergo. When airway reflexes fail, commonly in the presence of dysphagia, aspiration can occur, which is the entry of a fluid or solid below the level of the true vocal cords. If left unmanaged, dysphagia has been associated with aspiration pneumonia, pneumonitis, airway obstruction, delayed enteral nutrition, prolonged length of ICU and hospital stay, reduced quality of life, and even death; in some cases, dysphagia is an independent risk factor for mortality. It is important to routinely assess dysphagia in all critically ill patients using a multimodal approach, including systematic assessments, scoring indices, trained specialists, and intensive care unit nurses. Several interventions are crucial for preventing and managing dysphagia and its associated problems. Further research is necessary to help determine the best ways to prevent and manage pulmonary aspiration in critically ill patients. Several interventions are essential in preventing and managing dysphagia and the sequelae of swallowing dysfunction. Further research is needed to help elucidate the best way to avoid and manage pulmonary aspiration in critically ill patients.Thieme. All rights reserved.

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