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J Korean Soc Laryngol Phoniatr Logop > Volume 22(1); 2011 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2011;22(1): 47-51.
노인에서 성대 용종의 후두 미세수술 후 음성검사 결과
최정임1, 여장옥2, 진성민2, 이상혁2
1성균관대학교 의과대학 강북삼성병원 음성클리닉
2성균관대학교 의과대학 강북삼성병원 이비인후과학교실
Result of Voice Analysis after Laryngeal Microsurgery for Vocal Polyp in Elderly
Jeong-Im Choi1, Jang-Ok Yeo2, Sung-Min Jin2, Sang-Hyuk Lee2
1Department of Speech Voice Clinic, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine
2Department of Otorhinolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine
Background and Objectives:
Vocal polyps arc one of the most frequent benign laryngeal diseases. They arc usually found at the midpoint of the vocal fold. They are mainly caused by vocal overuse. Vocal polyps arc usually removed surgically. Generally, age-related changes to speech are attributed to change in anatomy and physiology of the speech mechanism. These changes result in increased variability in the acoustic properties of speech with age. Still, not 'all studies of age-related changes in speech have taken differences between the young group and adult group after laryngeal microsurgery into account. The aim of this investigation was to compare improvement of acoustic analysis in young patients and elderly patients with vocal polyps, before and after the laryngeal microsurgery. Materials and Method: One hundred and twenty-eight patients who underwent laryngeal microsurgery for vocal polyps from 2008 through 2011 were reviewed retrospectively. 105 of the 128 patients under age 60 were classified as adult group (AG), and remaining 23 patients as elderly group (EG). The speech of AG and EG were evaluated before and after surgery for identification of differences for age group across measures of fundamental frequency (F0), Jitter, Shimmer and Maximum phonation time (MPT).
There were not significant differences between two groups for improvement of F0, Jitter, Shimmer, NHR, and MPT before and after surgery. The findings suggest that elderly group compares quite well with adult group in effectiveness of surgery. However, comparison between elderly group and young group (Age under 40) there was significant difference of improvement in Jitter and Shimmer.
In general, the results of the present research showed significant improvement in vocal quality after phonosurgery of vocal polyp in both elderly and adult group. However, comparison of improvement between elderly group and young group, there were significant differences of improvement in jitter and shimmer. Therefore, in treatment planning of elderly group, we should consider age related changes of vocal cord.
KEY WORDS: Acoustic parameters;Laryngeal microsurgery;Vocal polyp;Elderly;
중심 단어: 음성검사;후두미세수술;성대용종;노인;
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