Pulmonary Aspiration Risk

Pulmonary aspiration risk is the likelihood that food, liquid, saliva, gastric contents, or other material will enter the larynx and lower respiratory tract instead of passing safely into the esophagus. Aspiration occurs when airway-protective mechanisms, including coordinated swallowing, glottic closure, and cough, are impaired by dysphagia, reduced consciousness, neuromuscular disease, or anesthesia. In medicine, clinicians assess this risk through patient history, bedside swallowing evaluation, and, when indicated, instrumental studies such as videofluoroscopic swallowing assessment. Identifying risk supports preventive measures including altered food textures, positioning, supervised feeding, and airway management, helping reduce respiratory complications and guide individualized care.

Pulmonary Aspiration Risk - Related Videos

Research

JoVE Journal - Medicine
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Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules

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Cited by 12 •

2015

We describe the novel use of electromagnetic navigational guided transthoracic needle aspiration for the pathologic assessment of human lung nodules.

Research

JoVE EoE - Bacterial Pathogenesis and Host Interactions

Preparation of a Murine Oropharyngeal Aspiration Model to Establish Bacterial Lung Infections

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2026

Source: Nielsen, T. B., et al., Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia. J. Vis. Exp. (2018)This video demonstrates the procedure of delivering bacteria through the oropharynx into the lungs of an anesthetized mouse to induce lung infection and trigger an immune response.

Fluid Aspiration from Mouse Glomeruli: A Method to Aspirate Glomerular Fluid from Mouse Using Two-Photon Mediated Micropuncture

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2023

This video showcases fluid aspiration from mouse glomeruli using the two-photon mediated micropuncture technique. The technique provides access to the living mouse’s glomeruli and thus helps gain insights into renal physiology.

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

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Cited by 8 •

2017

The following protocol describes the methodology for the acquisition and analysis of echocardiographic images used to obtain the Left Atrial Volume (LAV), Aorta (Ao) diameter, and Pulmonary Artery (PA) diameter in mice. This technique is a non-invasive, non-terminal procedure that allows assessment of the cardiopulmonary function.

Femoral Bone Marrow Aspiration in Live Mice

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Cited by 18 •

2014

This protocol describes a procedure for serial sampling of femoral bone marrow (BM) without requiring the sacrifice of mice. This procedure facilitates longitudinal studies of the BM composition of mice over time and provides serial access to cells within the BM for ex vivo and transplantation studies.

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