ArticleJournal of speech, language, and hearing research : JSLHR2026
Swallowing After Open Partial Horizontal Laryngectomy Type IIa: A Quantitative Videofluoroscopic Analysis Using the Analysis of Swallowing, Physiology, Events, Kinematics, and Timing.
Article in Journal of speech, language, and hearing research : JSLHR, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThe purpose of this study was to characterize swallowing physiology on sips of thin liquid in patients following open partial horizontal laryngectomy Type IIa (OPHLIIa) using videofluoroscopic swallow study (VFSS) data, rated using the Analysis of Swallowing Physiology: Events, Kinematics, and Timing (ASPEKT) method.
methodThis retrospective study involved secondary analysis of archived data for a cross-sectional sample of 100 patients (94 men, six women;
resultsAfter OPHLIIa surgery, patients in this sample exhibited elevated frequencies and significantly increased odds of atypical findings across multiple swallowing parameters. With respect to impaired swallowing safety and efficiency, these included clinically significant Penetration-Aspiration Scale scores (22%), partial/incomplete laryngeal vestibule closure (LVC; 34%), and increased pharyngeal residue, both overall (76%) and by subspace: valleculae (49%), pyriform sinuses (63%), and elsewhere in the pharynx (57%). Other parameters showing significantly increased odds of atypical findings included reduced pharyngeal constriction (98%), reduced hyoid peak position (83%) and speed (59%), a prolonged hyoid-burst-to-upper-esophageal-sphincter-opening interval (45%), and the presence of redundant cricopharyngeal muscle tissue (39%). The analyses highlighted poor hypopharyngeal constriction as a feature of swallowing post-OPHLIIa and revealed apparent compensations in the form of significantly shorter time-to-LVC and prolonged LVC and upper esophageal sphincter opening durations.
conclusionsSwallowing dysfunction following OPHLIIa is marked by structural and physiological changes that impair both swallowing safety and efficiency. These findings highlight critical physiological impairments, particularly reduced pharyngeal constriction and compromised airway protection, which should be considered during clinical evaluation and decision making.
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