Oropharyngeal Aspiration
Oropharyngeal Aspiration - Related Videos
03:06
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.
04:32
Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
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Cited by 35 •
2018
Infectious pneumonia is among the most common infections in human. An appropriate in vivo model is critical for understanding disease pathogenesis and testing the efficacy of novel therapeutics. With this murine oropharyngeal aspiration pneumonia model, one can examine the pathogenesis and new treatments against these deadly infections.
01:25
Suctioning the Oropharyngeal Airway
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2025
In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections. After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...
12:27
The Utilization of Oropharyngeal Intratracheal PAMP Administration and Bronchoalveolar Lavage to Evaluate the Host Immune Response in Mice
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Cited by 15 •
2014
The host immune response to pathogen infection is a tightly regulated process. Utilizing a lipopolysaccharide lung exposure model in mice, it is possible to conduct high resolution evaluations of the complex mechanisms associated with disease pathogenesis.
06:43
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.
FAQs
The outcome depends on how effectively swallowing coordinates with airway protection. When material bypasses the epiglottis and the cough response does not clear it, saliva, food, or debris can reach the lower respiratory tract. This helps explain why aspiration can compromise airway health and why impaired coordination is important when evaluating risk.
Silent aspiration occurs without an obvious cough response, so material may enter the airway without a clear outward warning. Its significance lies in the possibility that repeated or unrecognized exposure to oral material can still affect airway health. Studying this form helps researchers examine swallowing disorders and host defenses that may not be evident from overt symptoms.
Aspirated saliva, food, and debris may carry oral microorganisms into the respiratory tract. Their presence can trigger airway inflammation, while the associated microbial exposure may contribute to aspiration pneumonia. This connection makes oropharyngeal aspiration relevant to immunology and infection research, particularly when investigators examine how airway defenses respond to material originating in the mouth and throat.
Research on this process supports evaluation of host defenses, swallowing disorders, infection risk, and prevention or clinical management strategies. Investigators can use it as a framework for connecting failures in swallowing and airway protection with downstream respiratory consequences. The subject therefore links physiological coordination to immune and infectious outcomes without treating aspiration as only a mechanical event.
A central question is how the airway responds when aspirated oral microorganisms and debris reach respiratory tissues. Related work considers whether airway inflammation follows these exposures and how host defenses influence infection risk. This perspective places aspiration within immunology and infection by examining the interaction between incoming material, respiratory protection, inflammation, and aspiration pneumonia.
Findings can identify the importance of preserving effective swallowing and airway-protection mechanisms, recognizing both overt and silent events, and addressing swallowing disorders. They also provide a basis for considering infection risk when oral microorganisms or debris enter the airway. In practice, this information supports development of prevention and clinical management strategies focused on protecting airway health.