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13 Cards in this Set

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Rasley et al, 1992
Postural techniques can eliminate aspiration of barium of at least small volumes in most patients.
Recommends changes of posture during MBS procedures.
Prevention of Barium Aspiration during Videofluroscopic Swallowing Studies
Kahrilas et al, 1991
the opening of the UES can be modified using volitional techniques such as the Mendelsohn maneuver that affect hyoid and laryngeal elevation
Volitional augmentation of upper esophageal sphincter opening during swallowing
Bisch et al, 1994
Few significant effects of temperature on swallowing disorders or swallow measures (except 1ml cold)
Increase in bolus volume and viscosity decreased pharyngeal delay times in pts with neurologic impairment.
Pharyngeal Effects of Bolus Volum, Viscosity, and Temperature in Patients with Dysphagia resulting from neurologic Impairment and in normal subjects.
Leder & Ross, 2000
No causal relationship between trachotomy and aspiration status was exhibited.
Investication of the causal relationship between tracheotomy and spiration in the acute care setting
Logemann et al, 1989
Head rotation can improve swallowing in patients with unilateral oropharyngeal dysphagia. Beneficial effects include 1) functional exclusion of the relatively flaccid, weakened pharyngeal wall, and 2) reduced UES tone. (operative mechanism depends on dominant mechanism of dysphagia)
The benefit of head rotation on pharyngoesophageal dysphagia
Langmore & Logemann, 1991
Logemann argues that FEES is necessary because bedside swallow exams fail to detect 38-40% of aspiration and do not allow for observation of the physiology of pharyngeal swallow. Langmore argues that FEES is not always feasible or necessary, and endoscopy is often sufficient. Read the article.
After the Cllinical Bedside Swallowing Examination: What Next?
Welch et al, 1993
Chin tuck procedures causes a posterior shift of the anterior pharyngeal wall and the laryngeal entrance, while widening the angel of the epiglottis to the anterior tracheal wall, improving airway protection. Widening of the valleculae is not uniform.
Changes in pharyngeal dimentions effected by chin tuck
Shanahan, T., 1993
Not all patients who aspirate because of a delayed pharyngeal swallow or reduced airway closure benefit from the chin-down procedure. Those who do not benefit show a significantly loarger increase in the epiglottic angle.
Chin-Down Posture Effect on Aspiration in Dysphagic Patients
de Lama Lazzara et al, 1986
The anterior faucial arches are mon of the most sensitive areas for triggering the swallowing reflex. Use of thermal sensitization improved triggering of the swallowing reflex in 23 of 25 neurologically impaired patients. Effects immediate. Longterm effects are unknown. No reflex will be triggered if reflex is absent.
Impact of Thermal Stimulation on the Triggering of the Swallowing Reflex
Martin et al, 1993
Videofluoroscopy allows visualization of the biomechanics of oropharyngeal and cervical esophagus and to determine if patient is able to maintain laryngeal valving. 3 breath-hold maneuvers were easy, inhale hard, inhale/exhale hard. Arytenoid & TVF produced on all maneuvers; FVF and ant arytenoid tilting only during hard holds.
Normal laryngeal valving patterns during three breath-hold maneuvers: a pilot investigation
Fujiu & Logemann, 1996
Inhibits triggering of pharyngeal swallow, increases pharyngeal residue, shortens airway closure. Does allow pt to actively change the degree of muscular contraction of the PPW (posterior pharyngeal wall)
Effect of a Tongue-Holding Maneuver on Posterior Pharyngeal Wall Movement During Deglutition
Logemann, 1996 (Editorial)
More research needs to be done on the effects of preswallow sensory input in normal individuals and dysphagics.
Normal swallowers exhibit systematic changes in temporal measures of oropharyngeal swallow as a result of changes in bolus volume and viscosity (effects of taste unknown)
Preswallow sensory input: its potential importance to dysphagic patients and normal individuals
Davis et al, 1987
Residue in the oral cavity decreased markedly with the prosthesis (25% with, 90% without) t/d and k/g productions were also more normal
Effect of a maxillary glossectomy prosthesis on articulation and swallowing.