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Studies on vocal fold injection and changes in pitch associated with alcohol intake
Authors:Hiroshi Watanabe  Takemoto Shin  Hiromichi Matsuo  Fumio Okuno  Tsutomu Tsuji  Midori Matsuoka  Junichi Fukaura  Hisashi Matsunaga
Institution:

aDepartment of Otolaryngology-Head and Neck Surgery, Saga Medical School, Saga, Japan

*Hospital Pharmacy, Saga Medical School, Saga, Japan

School of Nursing, Saga Medical School, Saga, Japan

Department of Internal Medicine, University of Occupational and Environmental Health, Fukuoka, Japan

§Department of Forensic Science, Wakayama Medical College, Wakayama, Japan

Abstract:The current study was carried out with particular emphasis on the association between phonetic function tests and alterations in the appearance of the hypopharyngeal and laryngeal mucosa, such as capillary dilatation, edema, and vocal fold injection after alcohol intake. The results demonstrated the occurrence of previously unrecognized pathophysiological changes associated with synchronous phonetic functions in the vocal pathway after alcohol intake. Serum ethanol and aldehyde concentration levels were evaluated hourly for 2.5 h after ingestion of alcohol. When an electronystagmogram showed the typical pattern of alcohol intake, the study was initiated. Occasionally, rhinography was performed on subjects complaining of a stuffy nose after alcohol intake.
Keywords:Alcohol  Phonation  Acetaldehyde  Pitch  Intensity
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