갑상선 절제 술 후 기능적 음성장애의 공기역학적 특징과 음성치료 중재

이창윤,안수연,장현,정희석,손희영,Lee, Chang-Yoon,An, Soo-Youn,Chang, Hyun,Jeong, Hee Seok,Son, Hee Young 대한후두음성언어의학회 2015 대한후두음성언어의학회지 Vol.26 No.1

Background and Objectives:The objective of this study was to investigate the features of post-thyroidectomy subjective voice disorder by Voice Handicap Index (VHI) and Voice Symptom Scale (VOISS) through aerodynamic analysis and to investigate the appropriate voice therapy intervention. Materials and Methods:Twenty post-thyroidectomy patients who had no recurrent laryngeal nerve paralysis through laryngeal stroboscopy were enrolled for this study. Acoustic and aerodynamic evaluations were performed before operation, 2 weeks and 3 months after operation. Subjective voice evaluation was performed by VHI and VOISS. Aerodynamic evaluation was compared and analysed by maximum phonation time(MPT), phonation threshold pressure(PTP), mean air flow rate(MFR), etc. Subjective voice evaluation was surveyed through VHI and VOISS. To evaluate patients' symptoms related to functional voice disorder, scores on physical domain in VHI and VOISS were selected to be compared for each session. Results: The 10 out of 20 participants who complained of voice symptoms had no significant difference with pre-operation in acoustic evaluation, but all showed higher scores on 2 weeks and 3 months after operation compared to pre-operation, in VHI-physical domain and selected questionnaires in VOISS. They reduced MPT and increased PTP value simultaneously. Laryngeal massage and breathing training were simultaneously treated to them, 5 participants resulting in improvement in MPT and PTP compared to pre-treatment. Conclusion:Patients who complained voice change with no organic damage after thyroidectomy were all shown to have reduced MPT and increased PTP in some by aerodynamic evaluations. Reduced MPT may imply some problem in air flow beneath glottis. Increased PTP suggests much more effort in vocalization mechanism than pre-operation. Comparing aerodynamic evaluations in post-thyroidectomy may provide information on behavioral interventions. Additionally, study on laryngeal massage and breathing training simultaneously treated to patients with such voice disorder is needed to be conducted with larger number of participants.

일측성 성대마비 환자의 음성치료 효과

이창윤,안수연,장현,손희영,Lee, Chang-Yoon,An, Soo-Youn,Chang, Hyun,Son, Hee Young 대한후두음성언어의학회 2016 대한후두음성언어의학회지 Vol.27 No.1

Background and Objectives : This study aims to conduct post-voice therapy to patients with unilateral vocal fold paralysis for vocal improvement, motility recovery and analyze the results. Materials and Methods : Voice therapy was conducted to 13 patients who had shown response to voice therapy amongst 98 patients diagnosed with unilateral vocal fold paralysis. In order to be able compare before and after perceptual, acoustic and aerodynamic evaluations were conducted after voice therapy. Also, by using dysphagia checklist, we have verified whether if the patient had dysphagia prior to voice therapy. The therapy was conducted by improving the larynx movement and glottal contact, whilst removing hypertension of the supraglottic. Results : All 13 patients who underwent voice therapy had shown improvements that are statistically significant from 4 scales excluding the S scale from auditory perception evaluation (p<0.05), with enhanced glottal contact. In acoustic evaluation, Jitter, Shimmer and NHR had shown significant improvement after voice therapy. MPT was also notably improved among aerodynamical evaluation (p<0.001). All 11 patients had with dysphagia prior to voice therapy reported to have improved swallowing functions. Conclusion : Application of adequate voice therapy to patients with unilateral vocal fold paralysis, is an effective method that might be employed in the initial phase. Especially, the voice therapy proposed in this study is expected to be useful for patients in hypertension status due to secondary compensation after initial paralysis, since it focuses on improving vocal symptoms in a calm state with the supraglottis sufficiently relaxed. Also, the therapy is expected to be effective for improving swallowing functions.

일측성 성대마비 환자 평가에서 Cepstral Peak Prominence의 유용성

이창윤,정희석,손희영,Lee, Chang-Yoon,Jeong, Hee Seok,Son, Hee Young 대한후두음성언어의학회 2017 대한후두음성언어의학회지 Vol.28 No.2

Background and Objectives : The purpose of this study was to compare the usefulness of Cepstral peak prominence (CPP) with parameter of Multiple Dimensional Voice Program (MDVP) in evaluating unilateral vocal fold paraylsis patients with subjective voice impairment. Materials and Methods : From July 2014 to August 2016, 37 patients with unilateral vocal fold paralysis who had been diagnosed with unilateral vocal fold paralysis and had received two or more voice tests before and after the diagnosis were evaluated for maximum phonation time (MPT), MDVP and CPP. Respectively. Voice tests were performed with short vowel /a/ and paragraph reading. Results : The CPP-a (CPP with vowel /a/) and CPP-s (CPP with paragraph reading) of the Cepstrum were statistically negatively correlated with G, R, B, and A before the voice therapy. Jitter, Shimmer, and NHR of MDVP were positively correlated with G, R, B. Jitter, Shimmer, and NHR of the MDVP were significantly correlated with the Cepstrum index. G, B, A and CPP-a and CPP-s showed a statistically significant negative correlation and a somewhat higher correlation coefficient between 0.5 and 0.78. On the other hand, in MDVP index, there was a positive correlation with G and B only with Jitter of 0.4. Conclusion : CPP can be an important evaluation tool in the evaluation of speech in the unilateral vocal cord paralysis when speech energy changes or the cycle is not constant during speech.

건축법규 자동검토를 위한 BIM정보의 분류체계 검토 및 프로세스에 관한 기초연구

이창윤,심운준,안용선,Lee, Chang-Yoon,Shim, Un-Jun,Ahn, Yong-Sun 한국건설관리학회 2012 한국건설관리학회 논문집 Vol.13 No.5

최근 BIM이 건설 산업 전반에 도입이 되면서 활발히 적용되고 있다. 특히, 최근 BIM의 정보공유 활성화에 대한 많은 연구가 진행되고 있으며, 이는 앞으로 BIM이 나가야할 방향이며, 분명히 실현되어야 하는 부분이라 판단된다. 현재 시공단계에서 BIM의 활용 연구는 설계의 시공간섭 검토와 물량산출을 기반으로 하는 견적부분에서 활발하게 진행되고 있다. 하지만 아직 건축법규 검토에 대해서는 상대적으로 관심이 적다. BIM이 활성화됨에 따라 건축법규 검토 방법도 BIM의 정보를 이용하여 자동 검토되는 시스템이 갖추어져야 할 것이며, 해외의 경우, 이미 다양한 모델링 검토 소프트웨어를 이용해 연구개발하고 있다. 따라서 국내에서도 건축법규의 자동 검토를 위한 연구가 필요한 것으로 여겨지고 있다. 본 연구는 국내 건축법규 자동 검토 시스템 개발을 위한 기초적인 연구이다. BIM의 정보를 이용해 건축물 분야별 정보의 특성을 분석하였다. 분석된 특성을 토대로 관련 프로그램이나 검토체계를 구축하기 위한 분류체계 검토를 통하여 법규자동 검토를 위한 프로세스를 제안하고자 한다. Recently, BIM is used at several areas actively because of introduction of BIM in the construction industry. In particular, the recent many studies on activation of BIM information sharing is underway and it is the future direction of BIM. Moreover, it should be clearly realized. In the BIM levels of domestic construction phase, Interference Review, calculating volume estimates in part based on the active research is underway. However, still interested in reviewing building codes have relatively little interest. As BIM enabled, The methods of reviewing building codes should be transformed into a automated system by using information of BIM. In overseas, they are already using diverse softwares for reviewing modeling. Thus, For an automatic review of building regulations research is needed. this study is research on the development Domestic building codes as an automatic review process by using BIM. In order to Automatic review of the current building regulations by using BIM, this study analyzes the characteristics of each piece of information.

일측 성대마비 환자에 대해 음성치료와 성대주입술의 초기 치료 효과 비교 연구

이창윤,안수연,장현,손희영,Lee, Chang-Yoon,An, Soo-Youn,Chang, Hyun,Son, Hee Young 대한후두음성언어의학회 2017 대한후두음성언어의학회지 Vol.28 No.2

Background and Objectives : The purpose of this study was to classify patients with unilateral vocal fold paralysis according to their fixed location and to analysis the effects of two treatment methods by early voice therapy and injection laryngoplasty. Materials and Methods : Twenty patients who were classified as full abduction and slight abduction according to the position of paralysis were treated injection laryngoplasy, and 23 patients were treated by voice therapy. Twenty patients were treated injection laryngoplasy and 23 patients were treated voice therapy. Results were evaluated by acoustic analysis, electroglottography, cepstrum analysis before and after therapy. The voice therapy was conducted by improving the larynx movement and glottal contact, whilst removing hypertension of the supraglottic and use the breathing. Results : Significant improvement was found in the acoustic parameter, cepstrum parameter, and EGG before and after treatment in both groups. There was no significant difference between the two groups when compared before and after treatment to compare the effects of injection laryngoplasty and voice therapy. Conclusion : The initial treatments for unilateral vocal cord paralysis are injection laryngoplasty and voice therapy. however, there is no precise standard about which method should be applied first. Therefore, in this study, we tried to classify patients according to their paralysis position and then apply two methods. The results of this study suggest that voice therapy and Injection laryngoplasty at the initial stage is a very useful method to improve voice quality of vocal fold paralysis and improve laryngeal function.

실내공간의 빛 순응에 관한 연구

이창윤(Lee, Chang-Yoon),오인욱(Oh, In-Wook) 한국실내디자인학회 2007 한국실내디자인학회논문집 Vol.16 No.3

간호대학생의 그릿과 사회적 지지가 대학생활적응에 미치는 영향

이창윤(Chang-Yoon Lee),권민영(Min-Young Gwon),김남훈(Nam-Hoon Kim),김채현(Chae-Hyeon Gim),김혜진(Hye-Jin Kim),박지윤(Ji-Yun Park),신민숙(Min-Suk Shin),한은경(Eun-Kyoung Han) 한국응용과학기술학회 (구.한국유화학회) 2021 한국응용과학기술학회지 Vol.38 No.3

본 연구는 간호대학생의 그릿과 사회적 지지가 대학생활적응에 미치는 영향요인을 파악하기 위한 조사연구이다. 연구 대상자는 간호대학생 196명을 대상으로 하였으며 자료수집은 2020년 7월 1일부터 8월 13일까지 수행하였다. 자료 분석은 SPSS 22.0을 이용하여 기술통계, 상관관계 분석 및 다중회귀분석을 사용하였다. 연구결과, 간호대학생의 대학생활적응은 그릿(r=.328, p<.001)과 사회적 지지(r=.334, p<.001) 와 유의한 정적 상관관계를 보였다. 학년, 그릿 및 사회적 지지는 간호대학생의 대학생활적응에 유의한 영향을 미치는 요인으로 나타났다. 이에 본 연구결과를 바탕으로 간호대학생의 대학 생활 적응을 위해서 그릿과 사회적 지지와 같은 긍정적 요인을 포함시킨 대학생활적응 프로그램 개발 및 적용을 제안한다. The purpose of this study was to investigate the effects of grit and social on college life adjustment of nursing students. The subjects of this study were 196 nursing students and data collection was from July 1 to August 13, 2020. Data was analyzed using the SPSS 22.0 program by descriptive statistics, pearson s correlation, multiple regression analysis. There was a positive correlation between college life adaptation and grit(r=.328, p<.001), social support(r=.334, p<.001). Grade, grit and social support were found to be factors influencing college life adaptation of nursing students. The results of this study suggest that it is necessary to develop some programs that include positive factors such as grit and social support for nursing students adaptation to college life.

MPEG - 7을 이용한 하이라이트 인덱싱과 브라우징

이창윤(Chang Yoon Lee),임화영(Hwayoung Lim),김혁만(Hyeokman Kim) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.2Ⅰ

스포츠 경기의 하이라이트(highlight) 브라우징을 위해 하이라이트 이벤트(주요 시건)와 하이라이트 객체(선수)를 묘사하는 하이라이트 테마를 계층구조로 정의하고, 이를 이용해 하이라이트 세그먼트를 설정하고, 자동적으로 계층구조의 하이라이트 메타데이타를 생성하는 하이라이트 인덱싱 방법을 제안하였다. 하이라이트에 관련된 모든 메타데이타는 MPEG-7로 기술하였다. 그리고 제안된 방법으로 생성된 메타데이타를 이용한 set-top box용 하이라이트 브라우저를 구현하였다.

일측성 성대마비 환자에 대한 치료방법 비교

이창윤(Chang Yoon Lee),손희영(Hee Young Son),권순복(Sun Bok Kwon) 한국언어치료학회 2016 한국언어치료학회 학술발표대회 논문집 Vol.2016 No.12

Purpose: The purpose of this study was to analysis the effects of two treatment methods on patients with unilateral vocal fold paralysis by voice therapy and injection laryngoplasty. Methods: Twenty patients were treated injection laryngoplasy and 23 patients were treated voice therapy. results were evaluated by acoustic analysis, electro glotto graphy(EGG), cepstrum analysis before and after therapy. The therapy was conducted by improving the larynx movement and glottal contact, whilst removing hypertension of the supraglottic and use the breathing. Results: Significant improvement was found in the acoustic parameter, cepstrum parameter, and EGG before and after treatment in both groups. There was no significant difference between the two groups when compared before and after treatment to compare the effects of injection laryngoplasty and voice therapy. Conclusions: The initial treatments for unilateral vocal cord paralysis are injection laryngoplasty and voice therapy. Injection laryngoplasty is commonly used in clinical settings, and studies on the effects of voice therapy on patients with vocal fold paralysis are lacking. In particular, the voice therapy method used in this study was to apply the holistic voice therapy method to increase the mobility of the vocal cords while simultaneously eliminating secondary compensation due to vocal fold paralysis and to use breathing together. The results of this study suggest that voice therapy in addition to Injection laryngoplasty at the initial stage is a very useful method to improve voice quality of vocal fold paralysis and improve laryngeal function.

현대조명디자인의 커뮤니케이션 경향에 관한 연구

이창윤(Lee, Chang-Yoon),오인욱(Oh, In-Wook) 한국실내디자인학회 2007 한국실내디자인학회논문집 Vol.16 No.1