Penetration of thin liquids

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Glottal closure during the pharyngeal phase of swallowing is one of the important steps in protecting the airway. Generally, it is believed that any deficiency in this process can lead to laryngeal penetration and aspiration. This study investigated the incidence of laryngeal penetration and aspiration among 44 patients with glottal closure insufficiencies that were referred for voice and swallowing evaluation to our institution. The videostroboscopy and 3 oz water swallow test were performed for all of the patients and dysphagic patients were screened and referred for videofluoroscopy. Overall,
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Laryngeal penetration

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Dysphagia - Understanding It In Simple Terms

When food or liquid enters the laryngeal vestibule but, unlike with aspiration , does not descend below the level of the vocal cords themselves. Laryngeal penetration alone would be an indication of mild swallowing dysfunction, but it would not by itself create a risk of pneumonia , as aspiration might. Laryngeal penetration: Series of 1 photo Laryngeal penetration 1 of 1 After the patient swallowed several boluses of blue-stained applesauce, there were traces visible on the laryngeal surface of the epiglottis, indicative of penetration into the earliest part of the airway. Coughing 1 of 4 This patient is annoyed by occasional coughing when she sips liquids. Here, the patient has just taken a sip of blue water and holds it in her mouth. Vocal cords remain unsuspectingly open.
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Dysphagia: The Essentials

Videofluoroscopic examination of swallowing VF is the gold standard in diagnosis and management of dysphagia. During VF, the patient ingests radiopaque foods and liquids, and oral, pharyngeal, and esophageal stages of swallowing physiology are observed and evaluated. Aspiration is defined as passage of materials through the vocal folds, and laryngeal penetration is defined as passage of materials into the larynx, but not through the vocal folds. In this study, we compared the risk of laryngeal penetration or aspiration during VF using various liquid volumes and food consistencies.
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The effectiveness of the chin tuck maneuver is still controversial, despite being widely used in clinical practice. The chin tuck maneuver has been shown to be able to reduce or eliminate aspiration in a group of patients with a number of favorable conditions, but its effectiveness in preventing or managing penetration remains unclear. This study was designed to investigate whether the chin tuck maneuver is effective in reducing penetration.
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