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Aspiration of food or liquids can result in suffocation, evolving in coughing, difficulty breathing and forced exhalation. Asphyxia occurs when the aspirated material occludes the upper airways, either in the proximal or distal tract, resulting in the inability to breathe. The risk of asphyxiation death, is increased if a person makes sudden movements while eating, walks or runs while eating, or even becomes distracted or frightened. It is higher in individuals with neurological diseases, intellectual disability (ID), cognitive impairment, psychiatric pathologies or their pharmacological treatments and people carrying additional physiological impairments, which can cause oral dysfunction and dysphagia. Protective mechanisms may sometimes lack or fail to expel food fragments stuck in the airways, which completely obstruct them.
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Colucci et al. (2024) studied this question.
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