Development and Validity Assessment of a Self-evaluation Questionnaire for Functional Dyspepsia: A Multicenter Prospective Study in Korea

( Kyoungwon Jung ),( Hye-kyung Jung ),( Joong Goo Kwon ),( Chung Hyun Tae ),( Ki Bae Bang ),( Jong Kyu Park ),( Ju Yup Lee ),( Cheol Min Shin ),( Jung Hwan Oh ),( Kyung Ho Song ),( Oh Young Lee ),( My 대한소화기기능성질환·운동학회 2022 Journal of Neurogastroenterology and Motility (JNM Vol.28 No.1

Background/Aims Patient-reported outcomes (PROs) are essential for clinical decision making, conduction of clinical research, and drug application acquisition in functional gastrointestinal disorders. The aim of this study is to develop a PRO instrument and to determine the respondents’ perception of the efficacy of therapeutic agents for functional dyspepsia (FD). Methods A self-evaluation questionnaire for dyspepsia (SEQ-DYSPEPSIA) was developed and validated through a structured process. The 2-week reproducibility was evaluated, and the construct validity was assessed by correlating the scores of SEQ-DYSPEPSIA (including typical and major FD symptom subscales). Finally, the response to medication was assessed by comparing the changes after 4 weeks of treatment. Results A total of 193 Korean patients (age 48.5 ± 13.6 years, 69.4% women) completed the questionnaire. SEQ-DYSPEPSIA with 11 items had a good internal consistency (alpha = 0.770-0.905) and an acceptable test-retest reliability (intraclass correlation coefficient = 0.733-0.859). The self-evaluation questionnaire (SEQ)-major FD score highly correlated with the postprandial fullness/early satiety domain of the Patient Assessment of Gastrointestinal Symptom Severity Index (correlation coefficient r = 0.741, P < 0.001), Nepean Dyspepsia Index-Korean version (NDI-K) (r = 0.839, P < 0.001), and NDI-K quality of life (r = -0.275 to -0.344, P < 0.001). After medical treatment, decrease in the SEQ-typical FD and SEQ-major FD was significantly greater in the responder group than in nonresponder group (P = 0.019 and P = 0.009, respectively). Conclusion This study suggests that the Korean version of SEQ-DYSPEPSIA has good reliability and validity, and can be a useful PRO measurement tool in patients with FD. (J Neurogastroenterol Motil 2022;28:111-120)

Language Anxiety and Variables of Korean Learners in an American College Setting

( Kyoungwon Oh ),( Sang Yee Cheon ) 국제한국어교육학회 2015 국제한국어교육학회 학술대회논문집 Vol.2015 No.-

Learners` motivation and strategies of successful learning in academic Korean

( Kyoungwon Oh ),( Sang Yee Cheon ) 국제한국어교육학회 2016 국제한국어교육학회 학술대회논문집 Vol.2016 No.-

A Review of Cost-Effectiveness Analysis and Model of Hearing Aid Fitting

Soo Hee Oh,Hyungi Chun,Kyoungwon Lee,Junghak Lee 한국청각언어재활학회 2017 Audiology and Speech Research Vol.13 No.2

Purpose: Although many previous literatures investigated various outcomes of hearing aid fitting, a few studies explored the cost-effectiveness of hearing aid fitting and its underlying model. Examining cost effectiveness of hearing aid fitting provides comparative values of hearing aid fitting by measuring the economic gains of hearing aid interventions. The purpose of present study is to understand the cost-related outcomes and benefits of hearing aid uses and provide economic insights of hearing aid interventions. Methods: The study reviewed several literatures related to cost-effectiveness of hearing aid fitting as well as relevant services. In addition, the study proposed an adopted economic model as a future reference of hearing aid fitting in South Korea. Results: There were a few studies evaluating cost-effectiveness of hearing aid fitting and the overall results supported a considerable success with incremental cost-effectiveness of hearing aid intervention. A dynamic patient flow model is particularly useful to simulate ongoing decision problems in the use of hearing aids and to estimate cost-effectiveness of hearing aid intervention. Conclusion: The patient flow model proposed in this study involves various possible transitions of people with hearing complaints in South Korea and it applies to the measurement of cost benefits of hearing aid fitting.

대규모 중학교 초임 특수교사의 교직 경험

오민진(Minjin Oh),임경원(Kyoungwon Lim) 한국질적탐구학회 2021 질적탐구 Vol.7 No.3

이 연구의 목적은 대규모 중학교에서 초임 특수교사가 겪은 교직 경험을 자문화기술지를 통해드러내고 사회문화적 의미를 찾아 교육적 시사점을 제시하는 데 있다. 연구 목적을 달성하기 위해 연구자는 4년 동안의 기억자료, 학급일지, 상담일지, 인터뷰 전사본, 연구주제와 관련된 다양한 문화적 인공물 등을 수집하였고, 실용적 절충주의에 기초한 포괄적 분석절차에 따라 분석하였다. 연구자는 대규모 중학교에서 처음 교직 생활을 하며 특수교사로서의 정체성과 역할에 혼란을 느꼈고 통합교육 실효성에 대한 의문을 가지기도 하였다. 이는 특수교육이 익숙하지 않아특수교사에게 일임하는 관리자와 특수교육이 눈에 들어올 여유가 없는 일반교사, 스트레스 받는 삶 속에서 끊임없이 자녀의 교육권을 위해 목소리를 내야 하는 학부모, 도움 받는 역할에 익숙해져 수동적인 존재가 되어 버린 특수교육대상학생과 통합교육의 일환으로 양보와 배려를 강요받았던 비장애학생에 이르기까지의 다양한 시선이 혼재된 문화에서 비롯되었다. 이러한 연구자의 경험을 사회문화적 차원에서 바라보았을 때, 그 핵심에는 입시 위주 교육 풍토 속에서 일반학교 내에 존재하는 ‘일반교육과 특수교육 사이의 지나치게 분명한 경계’가 있었다. 이러한 연구결과를 바탕으로 통합교육의 의미에 대한 합의가 이루어져야 함과 동시에 특수교육을 둘러싼여러 구성원의 인식 전환이 필요함을 제안하였다. The purpose of this study was to unveil the teaching experience experienced by special education teachers in large-scale general middle schools through self-cultivation and technology magazines, and to find the meaning in social culture and to give implications to special education. To achieve the purpose of this study, the researcher collected 4-year of memory data, class diaries, counseling diaries, interview transcriptions, and various cultural artifacts related to the research subject, and analyzed them, using a comprehensive analysis procedure based on pragmatic eclecticism. As a first-time special education teacher, the researcher felt confused about the identity and role as a special education teacher while teaching at a large-scale middle school, and had doubt about the effectiveness of inclusive education. This seems to come from the mixed culture of various viewpoints, from managers who are unfamiliar with special education and general teachers who can not afford to managing special education, parents who are living a stressful life where they have to constantly speak out for their children’s right to education, students with disabilities, becoming passive as they are so accustomed to getting help, and non-disabled students who were forced to make way and be considerate as part of integrated education. Looking at the experiences of these researchers from a socio-cultural perspective, it is concluded that there is an ‘excessively clear boundary between general education and special education’ existing at general schools. Based on the results of this study, it was suggested that consensus on the meaning of inclusive education should be reached and it was necessary to change the perception of various members regarding special education.

Clinical Practice Guidelines for Functional Dyspepsia in Korea

( Jung Hwan Oh ),( Joong Goo Kwon ),( Hye-kyung Jung ),( Chung Hyun Tae ),( Kyung Ho Song ),( Seung Joo Kang ),( Sung Eun Kim ),( Kyoungwon Jung ),( Joon Sung Kim ),( Jong Kyu Park ),( Ki Bae Bang ),( 대한소화기 기능성질환·운동학회 2020 Journal of Neurogastroenterology and Motility (JNM Vol.26 No.1

Functional dyspepsia (FD) is a chronic upper gastrointestinal (GI) symptom complex that routine diagnostic work-up, such as endoscopy, blood laboratory analysis, or radiological examination, fails to identify a cause. It is highly prevalent in the World population, and its response to the various available therapeutic strategies is only modest because of the heterogenous nature of its pathogenesis. Therefore, FD represents a heavy medical burden for healthcare systems. We constituted a guideline development committee to review the existing guidelines on the management of functional dyspepsia. This committee drafted statements and conducted a systematic review and meta-analysis of various studies, guidelines, and randomized control trials. External review was also conducted by selected experts. These clinical practice guidelines for FD were developed based on evidence recently accumulated with the revised version of FD guidelines released in 2011 by the Korean Society of Neurogastroenterology and Motility. These guidelines apply to adults with chronic symptoms of FD and include the diagnostic role of endoscopy, Helicobacter pylori screening, and systematic review and meta-analyses of the various treatment options for FD (proton pump inhibitors, H. pylori eradication, and tricyclic antidepressants), especially according to the FD subtype. The purpose of these new guidelines is to aid the understanding, diagnosis, and treatment of FD, and the targets of the guidelines are clinicians, healthcare workers at the forefront of patient care, patients, and medical students. The guidelines will continue to be revised and updated periodically.

Aircraft Noise of Airport Community in Korea

Soo Hee Oh,Kyoungwon Lee 한국청각언어재활학회 2020 Audiology and Speech Research Vol.16 No.1

Aircraft noise is one of the serious environmental noises with the increased use of flight traffic. The purpose of this study is to understand aircraft noise levels of airport communities in Korea using baseline data for audiologic management. Aircraft noise levels were retrieved from the National Noise Information System every month between 2004 and 2018. We reviewed aircraft noise levels obtained from total of 111 airport communities across 14 airports. In order to understand aircraft noise levels of civil and military airports, the aircraft noise levels measured in civil and military airport communities compared with the noise levels from civil airport communities. The data showed average 71-73 weight equivalent continuous perceived noise level (WECPNL) for fifteen years across airport cities and the average noise levels did not increase over time between 2004 and 2018 years. The civil and military airports showed about 12 WECPNLs of increased noise levels compared to the civil airports. The most civil and military airport communities, including Gwangju, Gunsan, Daegu, Wonju, and Cheongju generated the maximum noise levels and ranked as the highest airport for aircraft noise levels. Although aircraft noise levels in airport communities were similar over the past decade, civil and military airports generated increased noised levels compared to civil airports due to jet plane noises and other military-related noises. Careful consideration is necessary to implement noise reduction policy for civil and military airport communities. Ongoing noise control, hearing monitoring, education, and relevant policies are required to improve the quality of life in the airport community residences.

임상적 관해기의 궤양성 대장염 환자에서 Escherchia coli Nissle 1917의 치료 효과: 단일 병원 코호트 연구

오규만 ( Gyu Man Oh ),문원 ( Won Moon ),서광일 ( Kwang Il Seo ),정경원 ( Kyoungwon Jung ),김재현 ( Jae Hyun Kim ),김성은 ( Sung Eun Kim ),박무인 ( Moo In Park ),박선자 ( Seun Ja Park ) 대한소화기학회 2021 대한소화기학회지 Vol.77 No.1

Background/Aims: Escherichia coli Nissle 1917 (EcN) alone therapy is as effective as mesalamine in inducing and maintaining remission in ulcerative colitis (UC). The efficacy and safety of EcN in combination with standard therapies have not been studied. This study examined the changes in the inflammation markers and symptoms following the additional administration of EcN to patients showing the clinical remission of UC. Methods: UC patients who received EcN after being in clinical remission for more than 3 months at Kosin University Gospel Hospital between 2013 and 2018 were evaluated through the retrospective medical-record-based review. The partial Mayo score, fecal calprotectin (FC), BMI, hemoglobin, serum cholesterol, serum albumin levels, and the safety profiles were examined at 3rd and 6th months after initiating EcN. Results: Ninety-four patients were included. After 3 months of treatment, there was no significant change in FC (156.3 μg/g to 141.1 μg/g) (p=0.653). On the other hand, partial Mayo score decreased significantly from 0.085 to 0.014 (p=0.025), and the bodyweight (p=0.001), BMI (p<0.001), hemoglobin (p=0.009), and cholesterol level increased (p=0.148). One patient (1.1%) experienced a serious adverse event with UC flare-up, and 14 patients (14.9%) discontinued EcN due to adverse events; all developed within 3 months. Conclusions: Additional administration of EcN to clinically remission-attained UC patients may improve the UC symptoms without changing the FC levels. EcN-associated adverse events develop within the early few weeks. (Korean J Gastroenterol 2021;77:12 -21)

관해 상태인 크론병 환자에서 Saccharomyces Boulardii 복용 후 Crohn's Disease Activity Index의 변화: 단일 기관 후향적 연구

오규만 ( Gyu Man Oh ),문원 ( Won Moon ),서광일 ( Kwang Il Seo ),정경원 ( Kyoungwon Jung ),김재현 ( Jae Hyun Kim ),김성은 ( Sung Eun Kim ),박무인 ( Moo In Park ),박선자 ( Seun Ja Park ) 대한소화기학회 2020 대한소화기학회지 Vol.76 No.6

Background/Aims: Crohn’s disease (CD) is characterized by uncontrolled inflammation of the intestine. Saccharomyces boulardii (S. boulardii), a probiotic, stabilizes the intestinal wall. This study examined the changes in the CD activity index (CDAI) after taking S. boulardii in patients with CD in clinical remission. Methods: In this single hospital-based retrospective cohort study, the medical records of CD patients in clinical remission, who had received S. boulardii for more than 6 months, were reviewed. The CDAI, BMI, and serum levels of hemoglobin (Hb), ferritin, iron, vitamin B12, folate, total protein, albumin, total cholesterol, CRP, and fecal calprotectin (FC) between the initiation and the 6th month were compared. The timing and reasons for the discontinuation were also investigated. Results: One hundred and fifty-four patients were included, and 92 patients, who received for more than 6 months, were analyzed. The changes in CDAI, BMI, Hb, and total cholesterol were significant as follows: CDAI from 38.52 to 30.53 (p<0.01), BMI (kg/m²) from 23.38 to 23.97 (p<0.01), Hb (g/dL) from 13.73 to 14.03 (p<0.01), and total cholesterol (mg/dL) from 154.9 to 161.5 (p<0.01). On the other hand, the changes in FC, CRP, ferritin, vitamin B12, folate, total protein, and albumin were not statistically significant. Only one patient stopped due to a flare-up, but this was not believed to be related to the drug. Conclusions: In patients with CD in remission, S. boulardii appears to improve the CDAI, BMI, serum Hb, and total cholesterol level without safety issues. Further randomized controlled studies will be needed. (Korean J Gastroenterol 2020;76:314-321)

Hearing Aid Selection: Closed- versus Open-canal Fitting Hearing Aids

Sangyeon Lee,Soo Hee Oh,Kyoungwon Lee 한국청각언어재활학회 2021 Audiology and Speech Research Vol.17 No.4

To select hearing aid is an essential process for successful hearing rehabilitation. The purpose of this study is to review hearing aid selection considerations between receiver in-the-canal (RIC) and custom hearing aid (CHA) in order to guide appropriate selection of the hearing aid. This study discussed three key factors in the hearing aid selection including physical, acoustic and electroacoustic characteristics and other aspects. Advantages of RIC types are comfort to wear, reduction of the occlusion effect, presence of directional microphones, on-site fit, easy onnectivity with other devices, and use of rechargeable batteries. On the other hand, the CHA types have their advantage in terms of being comfort to wear with masks, proper insertion and placement, reduction of the acoustic feedback, good approximation of frequency response curve, improvement of speech in noise perception, expanded hearing aid candidacy with varying hearing thresholds, and easy telephone use. We concluded that appropriate selection of the hearing aid would contribute to