• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.21 no.1
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• pp.32-36
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• 2010

Background : Vocal fold injection using autologous material (fat or collagen) is very useful. However, Autologous material have variable resorption times and results, Plasma gel is a new injection material. The purpose of this study is to introduce a new injection material and discuss the effectiveness and complications. Subjects and Method: Eleven cases with vocal cord paralysis were analyzed after plasma gel injection, The plasma gel was acquired from patient's own blood. The preoperative and postoperative parameters including maximum phonation time (MPT) and subject aspiration score were analyzed. Results: There was a significant improvement in MPT and aspiration score in the case of vocal cord palsy. There was only one laryngeal complication. Conclusion : According to these preliminary results, the injection laryngoplasty with Plasma gel is a simple, safe, cheap procedure for temporally vocal fold palsy.

• Research in Community and Public Health Nursing
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• v.23 no.2
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• pp.155-164
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• 2012

Purpose: The purpose of this study was to investigate Seoul teacher's satisfaction with and needs for health examination and health promotion programs. Methods: The participants were 3,186 teachers in Seoul. Data were collected through an on-line survey system from November 16 to December 7, 2008. Collected data were analyzed by descriptive statistics, t-test, ANOVA, and Scheffe's test using PASW 18.0 program. Results: Teacher's satisfaction with teacher health examination was low and needs for detailed tests of cancer and vocal cord disorders were high. Teacher's satisfaction with teacher health promotion programs was low and needs for stress management, exercise and vocal cord protection program were high. Conclusion: Vocal cord disorders should be included in teacher health examination and vocal cord protection program should be provided for teacher's health promotion. Stress management and exercise program should also be provided for teacher's health promotion.

• Journal of the Korean Society of School Health
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• v.25 no.2
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• pp.159-167
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• 2012

Purpose: This study was conducted to identify the job-related health problems of school teachers in Seoul area and investigate their disease management behavior. Methods: This study used the on-line survey to investigate frequent health problems and management behavior of teachers. And job-related diseases were identified using date from the National Health Insurance Corporation. Collected data were analyzed by descriptive statistics, t-test and ANOVA. Results: The frequent health problems of teachers were varicose veins, vocal cord disease and thyroid disease. And Job-related health diseases were varicose veins and vocal cord disease. These problems increased with career. 57.4% and 28.4% teachers in varicose veins and vocal cord disease did not do any management behavior to prevent or cure the disease. 56.8% teachers did not know how to prevent the diseases and 16.3% teachers did not practice even though they know the methods of prevention. Conclusion: Teacher's health examination should include varicose veins and vocal cord disease examination. And schools should try to offer various programs for preventing job-related health problems.

• Phonetics and Speech Sciences
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• v.5 no.3
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• pp.83-93
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• 2013

Vocal hygiene education is an indirect training approach to improve vocal function by educating all facets of optimal vocal health. Satisfaction levels of participants might be an important component of this indirect therapy for voice disorders. The authors aimed to investigate the satisfaction levels of vocal hygiene education in 51 patients with voice problems. We classified voice disorders of the participants according to three etiological categories (subgroups): organic, neurogenic, and functional. The survey consisted of three parts: 1) a condition of vocal hygiene education, 2) a degree of satisfaction of the present education, and 3) a request for future education. Participants responded to each item of the survey using a five-point Likert scale of 1 to 5 (1 being not at all and 5 being extremely). They also wrote down personal comments of improvement. Participants scored the vocal hygiene education offered by the speech-language pathologists between '3' and '4'. Specifically, the participants were highly satisfied with the specific and comprehensible explanation/instruction given by their speech-language pathologists. However, they were less satisfied with the tuition fee for the therapy sessions. Vocal hygiene education is offered individually to people in a clinical setting. Our results support the notion that vocal hygiene education can be an integral aspect of the treatment of voice problems in most cases.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.29 no.1
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• pp.47-50
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• 2018

Trauma, congenital malformation and aging process can be a cause of the deviation of laryngeal prominence in the thyroid cartilage. Among these, the senility is the most common cause. Usually, ossification in the thyroid cartilage has occurred symmetrically, but the asymmetrical event leads to the shift of laryngeal prominence. Also, such deformity can provoke protrusion of false vocal fold. A 75-year-old man with hoarseness and globus sense in throat visited our clinic. Five years ago, he experienced a blunt trauma on left midline neck and had a concave deformity in the left thyroid cartilage lamina. Laryngoscopic findings revealed a marked protrusion in the left false vocal fold. We performed the laryngeal microsurgery to discriminate the tumorous condition. The pathology revealed non-pathologic mucosa. We report a unique and didactic case with a brief literature review.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.15 no.1
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• pp.27-30
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• 2004

Background and Objectives : The purpose of the present study is to investigate the effect of vocal hygiene education for the female elementary school teachers. Materials and Method : Thirty healthy female elementary school teachers were enrolled for the study. We provided a vocal hygiene education to the half of them. Voice handicap index and acoustic parameters were measured before and 4 week after the education. The efficacy of vocal hygiene education was analyzed by Wilcoxon Signed-rank test. Results : The vocal hygiene group showed significant improvement both in the subjective and objective data after the education. However, the non-vocal hygiene group failed to show any improvement. In functional score, emotional score, jitter, shimmer, only Junior Class(JC) could find significant after the education. Only low career(LC) could find significant in subjective data. Conclusion : Vocal hygiene education may be useful in reducing vocal misuse and abuse associated with teaching, and can be an effective method to maintain and improve the vocal health of teachers.

• Osong Public Health and Research Perspectives
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• v.9 no.6
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• pp.354-361
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• 2018

Objectives: The purpose of this study was to explore the effects of injection laryngoplasty (IL) with hyaluronic acid in patients with vocal fold paralysis (VFP). Methods: A total of 50 patients with VFP participated in this study. Pre- and post-IL assessments were performed, which included analyzing the sustained vowel /a/ phonation, and the patient reading 1 Korean sentence from the "Walk" passage that comprised 25 syllables in 10 words. To investigate the effect of IL on vocal fold function, acoustic analysis (acoustic voice quality index, cepstral peak prominence, maximum phonation time, speaking fundamental frequency) was conducted and auditory-perceptual (grade and overall severity), visual judgment (gap), and self-questionnaire (voice handicap index-10) assessments were performed. Results: The patients with VFP showed statistically significant differences between pre-and post-IL assessments for acoustic and auditory-perception, visual judgment, and self-questionnaire assessments. Conclusion: The patients with VFP showed positive change in vocal fold function between pre- and post-IL measurements. The findings showed that IL with hyaluronic acid is an effective method to improve vocal fold function in patients with VFP.

• Journal of radiological science and technology
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• v.41 no.5
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• pp.505-509
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• 2018

VCP (Vocal Cord Paralysis) is rare but one of most serious complications related to endotracheal intubation. This report is a clinical experience of radiography and laryngeal EMG (Electromyography) assessment for the VCP. A 50-year-old woman with hoarseness, which was occurred after urethral diverticulum excision was examined by laryngoscopy. As a result of laryngoscopy, VCP was observed in left side of her vocal cord, and then recurrent laryngeal nerve damage was detected with additional CT (Computed tomography) scan and laryngeal EMG. After that, the vocal cord movement was recovered as normal state with regular conservative treatment for the 6 months.

• Journal of Sasang Constitutional Medicine
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• v.23 no.4
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• pp.458-470
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• 2011

1. Objectives Vocal characteristics are commonly considered as an important factor in determining the Sasang constitution and the health condition. We have tried to find out the classification procedure to distinguish the constitution objectively and quantitatively by analyzing the characteristics of subject's voice without noise and error. 2. Methods In this study, we extract the vocal features from voice selected with prior information, remove outliers, minimize the correlated features, correct the features with normalization according to gender and age, and make the discriminant functions that are adaptive to gender and age from the features for improving diagnostic accuracy. 3. Results and Conclusions Finally, the discriminant functions produced about 45% accuracy to classify the constitution for every age interval and every gender, and the diagnostic accuracy was meaningful as the result from only the voice.

• Parasites, Hosts and Diseases
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• v.61 no.3
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• pp.298-303
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• 2023

This study aimed to describe a rare case of gnathostomiasis in the vocal cord. A 54-yearold Chinese woman living in Korea visited with a chief complaint of voice change at the outpatient department of otorhinolaryngology in Hallym Sacred Heart Hospital, Hallym University on August 2, 2021. She had eaten raw conger a few weeks before the voice change developed, but her medical history and physical examinations demonstrated neither gastrointestinal symptoms nor other health problems. A round and red cystic lesion, recognized in the anterior part of the right vocal cord, was removed using forceps and scissors through laryngeal microsurgery. The histopathological specimen of the cyst revealed 3 cross-sections of a nematode larva in the lumen of the cyst wall composed of inflammatory cells and fibrotic tissues. They differ in diameter, from 190 ㎛ to 235 ㎛. They showed characteristic cuticular layers with tegumental spines, somatic muscle layers, and gastrointestinal tracts such as the esophagus and intestine. Notably, intestinal sections consisted of 27-28 lining cells containing 0-4 nuclei per cell. We tentatively identified the nematode larva recovered from the vocal cord cystic lesion as the thirdstage larva of Gnathostoma, probably G. nipponicum or G. hispidum, based on the sectional morphologies.