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자기 조절 개념을 적용한 음성치료 기법이 발성장애 환자에게 미치는 효과
이창윤,안수연,손희영 대한후두음성언어의학회 2019 대한후두음성언어의학회지 Vol.30 No.1
Background and Objectives:The goal of this study is to present a strategy for improving the self-regulation (SR) ability and facilitating the change of vocal behavior by applying voice therapy using the SR concept to the patients with vocal cord nodule and muscle tension dysphonia. Materials and Method:The subjects were 80 patients and 80 patients who were diagnosed with muscle tension dysphonia and vocal nodules. As a control group, the results were compared among patients with the same dysphonia without using SR strategies. The concept of SR before voice therapy was explained to the patients, and the treatment was divided into three stages according to the goal of voice therapy. The treatment stages consist of 1) skill acquisition, 2) habit formation, and 3) habit changes. voice therapy was performed by applying SR strategies such as goal implementation intentions and a less routine behavior. Patient’s dropout rates were measured to compare the adherence of voice therapy. Results: Significant improvement was seen in all groups receiving voice therapy. However, in the group using the SR strategy, the voice analysis results showed a relatively low dropout rate of voice therapy. In the generalization confirmation stage, patients who applied SR concept showed better results. SR strategy did no longer be necessary to maintain newly adopted vocal behavior. Conclusion:The results of this study show that SR is one of the cognitive factors that can have a significant impact on the outcome of voice therapy, and also has a positive impact on the acquisition and generalization of new skills. A better understanding of SR and the development of therapeutic strategies using it will play an important role in solving voice problems in clinical settings.
이창윤,홍석주,김경민,명재성,박철민 대한초음파의학회 2007 ULTRASONOGRAPHY Vol.26 No.4
Sparganosis is an uncommon infection caused by sparganum, a migrating plerocercoid larva. Currently, various imaging modalities have been actively used for the diagnosis of sparganosis before surgery. We present a case of sparganosis arising in the subcutaneous layer of the thigh that was diagnosed only by an ultrasound examination. 스파르가눔증(sparganosis)은 Spirometra의 충미충(plerocercoid) 유충이 인체에 감염되어 생기는 질환으로 흔하지 않으나 세계적으로 분포한다. 최근에는 진단을 위해 만져지는 종괴에 대한 컴퓨터단층촬영(CT), 자기공영영상(MRI), 초음파 검사(US) 등의 영상 평가가 활발하게 사용되고 있한 스파르가눔증을 경험하였기에 보고하고자 한다.
석회화된 앞세로칸 종괴와 유사하게 보이는 갈비뼈에서 발생한 골연골종: 증례 보고
이창윤,함수연,오유환,이성호,김광택 대한영상의학회 2007 대한영상의학회지 Vol.57 No.6
단순 흉부 촬영에서 전종격동 종괴와 유사하게 보이는 왼쪽 5번째 늑골의 앞쪽 활에서 자라난 합병증을 동반하지 않은 골연골종을 보인 22세 남자 환자에 대한 증례를 경험하였기에 영상소견을 병리소견과 함께 보고하고자 한다. In this report, we present an interesting description of an osteochondroma arising from the anterior arc of the left fifth rib mimicking an anterior mediastinal mass. Surgical excision confirmed the lesion to be a non-complicated osteochondroma of the rib abutting underlying the parent bone.
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.
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.
J-12 : The direct gas phase epoxidation of propylene over Nb-promoted Ag-Mo/Al2O3 catalyst
이창윤,박남국 한국화학공학회 2007 화학공학의이론과응용 Vol.10 No.2
Epoxidation of propylene to propylene oxide by molecular oxygen was studied over Ag-Mo/Al2O3 and Nb added one catalysts. The catalysts were prepared by impregnation methods and epoxidation of propylene over the above catalysts were investigated with a fixed-bed quartz reactor and online gas chromatog. in ambient pressure. The volume percent of reactant gas is 70% C3H6, 10% O2, and balance N2 without any gaseous additive. The above catalyst was characterized by SEM, EDX and XRD. At a space velocity of 18000 h-1 and reaction temp. of 350 ℃, 0.14 % C3H6 conversion and 64 % selectivity to propylene oxide were achieved over the Nb promoted AgMo/Al2O3 catalyst. This numerical value is higher than non-Nb AgMo/Al2O3 catalyst. Also, according as rise in temperature, selectivity decline curve of Nb promoted AgMo/Al2O3 is slower than non-Nb AgMo/Al2O3.
이창윤 김천과학대학 2009 김천과학대학 논문집 Vol.35 No.-
Frank Lloyd Wright placed highest value on the human being and enjoyed presenting new ideas and forms to create better environment for the human through his architecture and house design projects. While he was presenting new ideas he continued to support design for democracy which has close relationship to the new frontier spirit of America. This research is an analysis of F.L. Wright's works from the floor plan system of house project. The research began with finding out the relationship between his architecture, nature and the supporting design elements (cubism, organic, Frobel system, 9 division) mentioned above. The purpose of the research is to analyze the relationship of the spatial organization and the design elements in Frank Lloyd Wright's architectural works from the point of floor plan system and provide the valuable guide line for the development of the modem house design.