Protection of the laryngeal airway, which is crucial for safe and efficient swallowing, is frequently impaired in dysphagia, leading to invasion of food material or liquid into the larynx. The results demonstrate that the chin tuck maneuver can reduce penetration, but its effectiveness is limited.ĭysphagia is a common disorder that can occur as a result of various neurological disorders, such as cerebrovascular accidents, head injuries, and degenerative diseases. Chin tuck significantly decreased residues in both effective and ineffective group. When comparing other parameters of VFSS, residues in the vallecular and pyriformis sinuses were less severe in the effective group. Significant reducing effect was observed in 26 (34.2%) out of 76 patients. The penetration ratio was significantly decreased in the chin tuck posture compared with the ratio in the neutral position ( p = 0.001). The severity of penetration was assessed by the penetration ratio (ratio of the penetration depth to the length of the epiglottis) measured and calculated from the images in which the deepest penetration was observed. Images from a videofluoroscopic swallowing study (VFSS) taken from 76 patients with penetration were collected and reviewed retrospectively. This study was designed to investigate whether the chin tuck maneuver is effective in reducing penetration.
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. The effectiveness of the chin tuck maneuver is still controversial, despite being widely used in clinical practice.
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