![]() The HmaxD of the male (2.04 ± 0.46) cm was significantly larger than that of the female (1.78 ± 0.47) cm (t = 2.44, P = 0.017), but the PTT, PCR, and EEmax had no significant difference between different gender and age groups (P > 0.05). Measurement software Avidemux 2.5 and Image J were used to measure the objective parameters which were closely related to the pharyngeal swallowing function in the swallowing process, such as maximum displacement of the hyoid bone (HmaxD), pharyngeal transit time (PTT), pharyngeal constriction ratio(PCR), and maximum opening of the esophageal entrance (EEmax). ![]() There were 40 males and 40 females aged from 20 to 60 years old. To obtain a series of objective criteria associated with pharyngeal swallowing function using dynamic swallow study in Chinese adults.ĭynamic videofluoroscopic swallow studies were performed on 80 normal adult volunteers.
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