Correlation of Pharyngeal Residue with PenetrationAspiration in Post-Radiotherapy Nasopharyngeal Carcinoma Patients with Oropharyngeal Dysphagia

Background: Nasopharyngeal carcinoma (NPC) ranks first for head and neck malignancies, radiotherapyis a recommended treatment. Most post-radiotherapy NPC patients experience oropharyngeal dysphagia thatresults in pharyngeal residue. Pharyngeal residue is thought to be risk factor aspiration-penetration.Objective: Examining the correlation between penetration-aspiration postradiotherapy patients.Method: Participants have been identified since 2018 find out total number of patients. Inthe period January-October 2019, identification was performed according participantcriteria. were examined fiberoptic endoscopic evaluation swallowing (FEES), pharyngealresidue using Yale Residue Severity Rating Scale (YPR-SRS), penetration-aspirationusing Penetration-Aspiration (PAS). Statistical tests used Spearman test with p<0.05.Results: The highest participant’s appeared vallecula when given soft bolus (96.55%),and pyriform sinus thick liquid (72.41%). participants had thehighest negative penetration (72.59%) positive (51.72%), while mosthad aspirations lowest value (89.66%). There aspiration 10.34% whengiven dilute liquid. significant andpyriform (p<0.05). association use softbolus (r=0.623), (r=0.631), (r=0.891).Conclusions: inpost-radiotherapy