주의력 결핍 - 과잉운동장애의 deanol치료 사례보고

이혜련,오경자 최신의학사 1988 最新醫學 Vol.31 No.7

컨벤션참가자의 개최지서비스에 대한 인식: 중요도와 성취도

이혜련,김정만 대한관광경영학회 2003 觀光硏究 Vol.18 No.1

The purposes of this study were to examine convention attendees' perception of services provided by the convention destination in terms of importance and performance. Data were collected from the self-administered questionnaires of 150 overseas attendees in the four international conventions held in Seoul, Korea from September to October 2001. The 40 items for measuring convention destination service were developed and grouped into seven dimensions of physical environments, accessibility & communications, service encounter, safety & security, conference programs, special activities, convention management & networking. The major findings were that there are significant differences between importance and performance in accessibility & communications and conference program dimensions. The I-P matrix for Seoul as a convention destination shows major strengths and weaknesses. Among its major strengths are safety & security, service encounter, and physical environments dimensions. Accessibility & communications, conference program dimensions are its major weaknesses. It is important for the convention destination that weaknesses are addressed and strengths are emphasized in promotional efforts. The results of this study could be used to improve the destination's competitiveness.

The Effect of Umbilical Cord Blood Derived Mesenchymal Stem Cells in Monocrotaline-induced Pulmonary Artery Hypertension Rats

이혜련,이재철,권정현,김관창,조민선,양윤선,오원일,최수진,서은석,이상준,왕태준,홍영미 대한의학회 2015 Journal of Korean medical science Vol.30 No.5

Pulmonary arterial hypertension (PAH) causes right ventricular failure due to a gradual increase in pulmonary vascular resistance. The purposes of this study were to confirm the engraftment of human umbilical cord blood-mesenchymal stem cells (hUCB-MSCs) placed in the correct place in the lung and research on changes of hemodynamics, pulmonary pathology, immunomodulation and several gene expressions in monocrotaline (MCT)- induced PAH rat models after hUCB-MSCs transfusion. The rats were grouped as follows: the control (C) group; the M group (MCT 60 mg/kg); the U group (hUCB-MSCs transfusion). They received transfusions via the external jugular vein a week after MCT injection. The mean right ventricular pressure (RVP) was significantly reduced in the U group after the 2 week. The indicators of RV hypertrophy were significantly reduced in the U group at week 4. Reduced medial wall thickness in the pulmonary arteriole was noted in the U group at week 4. Reduced number of intra-acinar muscular pulmonary arteries was observed in the U group after 2 week. Protein expressions such as endothelin (ET)-1, endothelin receptor A (ERA), endothelial nitric oxide synthase (eNOS) and matrix metalloproteinase (MMP)-2 significantly decreased at week 4. The decreased levels of ERA, eNOS and MMP-2 immunoreactivity were noted by immnohistochemical staining. After hUCB-MSCs were administered, there were the improvement of RVH and mean RVP. Reductions in several protein expressions and immunomodulation were also detected. It is suggested that hUCB-MSCs may be a promising therapeutic option for PAH.

간호사의 직장폭력 경험에 따른 분노 및 외상 후 스트레스 장애

이혜련,신미경,문현숙 한국직업건강간호학회 2013 한국직업건강간호학회지 Vol.22 No.3

음악교육용 사이트의 활용실태와 특성 비교 분석 : 초등학교 4학년을 중심으로

이혜련 한국유초등음악교육학회 2007 음악교육 Vol.7 No.-

A Comparative Study of International Convention Attendees' Motivation and Perceived Destination Image : Focusing on Asian and Non-Asian Attendees

이혜련,윤유식,김은진 한국자료분석학회 2015 Journal of the Korean Data Analysis Society Vol.17 No.4

This study aims to identify differences in international convention attendees' motivation and perceived destination image between Asian and non-Asian attendees. Despite ample amount of literature, a comparison study of convention motivation and the perceived destination image among international convention attendees has yet to emerge. The study explores whether any differences exist concerning the relationship of motivation and destination image. Especially this study incorporates both cognitive and affective components of destination image. Data were gathered from 450 overseas attendees who participated international conventions and a corporate meeting held in Seoul, Korea. The findings of the study indicate that attendees with different cultural backgrounds have differences in their motivation and perceived cognitive and affective image of the convention destination. It reveals that the cognitive image fully mediates the relationship between motivation and affective image for all attendees. However, the result of relationship between motivation, cognitive and affective destination image provides no difference between Asian and non-Asian attendees.

Optimal Dose and Timing of Umbilical Stem Cells Treatment in Pulmonary Arterial Hypertensive Rats

이혜련,홍영미,김관창,최수진 연세대학교의과대학 2017 Yonsei medical journal Vol.58 No.3

Purpose: Pulmonary arterial hypertension (PAH) is a fatal disease which is characterized by an increase in pulmonary arterial pressureleading to increases in right ventricular afterload. Human umbilical cord blood derived-mesenchymal stem cells (hUCB-MSCs) administered via the jugular vein have been previously shown to improve PAH by reversal treatment. However, the effect of low dosageand transfusion timing of hUCB-MSCs on PAH has not yet been clearly established. Obviously, low dosage treatment can lead to a reduction in costs. This is the first study on early transfusion effect. Materials and Methods: This study was divided into two parts. The first part is an investigation of dose-dependent effect. hUCB-MSCs were administered into 3 groups of rats (UA: 3×106 cells, UB: 1.5×106 cells, UC: 3×105 cells) via the external jugular vein at week 1 after monocrotaline (MCT) injection. The second part is a search for optimal treatment timing in 3×105 cells dose of hUCB-MSCs administered at day 1 for UD group (low dose of hUCB-MSCs at day 1), at day 1 and week 1 for the UE group (dual transfusionof low dose of hUCB-MSCs at day 1 and week 1) and at 1 week for the UF group (reversal treatment of low dose hUCB-MSC at week 1) after MCT injection. Results: The administration of 3×105 hUCB-MSCs was as effective as the 3×106 dose in decreasing mean right ventricle (RV) pressureand pulmonary pathological changes. Early treatment with hUCB-MSCs improved mean RV pressure, pulmonary pathologicalchanges and heart collagen 3 protein expression levels in PAH. Conclusion: Low-dose early treatment of hUCB-MSCs is as effective as a high dose treatment of hUCB-MSCs in improving PAH although dual or reversal treatment is still more effective.

세라믹 멤브레인의 나노구조 제어 및 응용

이혜련,서봉국,최용진 한국막학회 2012 멤브레인 Vol.22 No.2

내열성, 용매 저항성의 특징을 갖는 다공성 세라믹 소재를 이용한 무기 멤브레인이 기체분리(수소 분리, 이산화탄소 분리 등), 액체 분리(수처리, 폐수처리, 유기용매 분리 등) 등 여러 가지 분야로 그 응용이 확대되고 있다. 본 논문에서는 다공성 세라믹 멤브레인의 소재, 제조 방법에 따른 멤브레인의 구조 제어 및 성능 평가에 관한 연구를 소개하고, 멤브레인의 세공 크기에 따른 구조, 멤브레인의 특성을 이용한 여러 가지 기체 분리 및 액체 분리에 관한 연구 동향을 정리하였다. Amorphous ceramic membranes have been developed for gas phase separation and liquid phase separation (water treatment, wastewater treatment and separation of organic solvent or compounds) because of their thermal stability and solvent resistance. In this paper, ceramic membranes were categorized by membrane pore size and materials, and summarized for hydrogen separation, carbon dioxide separation, membrane reactor, pervaporation and water treatment with membrane structure and properties.

컨벤션 참가동기와 관광활동 선호에 관한 비교연구-아시아와 서구 참가자를 중심으로

이혜련 한국관광연구학회 2006 관광연구저널 Vol.20 No.3

The purpose of this study is to make a comparison of international convention attendee motivations and preferred tourism activities between Asian and Western attendees. This study collected data from overseas convention attendees to the international convention held in Seoul, Korea in 2006. Factor analysis of 12 motivation items resulted in three underlying dimensions: 'self development', 'sightseeing', and 'convention activities'. The results show that significant differences between Asian and Western attendees existed with respect to 'self development'. And the mean scores indicate that Asian attendees tended to have higher motivations than Western attendees. Significant differences were also found with respect to four items among seven preferred tourism activities.

노인의 자아 존중감과 자가 간호 수행간의 관계연구

이혜련 이화여자대학교 간호과학연구소 1996 Health & Nursing Vol.8 No.2

본 연구는 노인의 건강에 중요한 개념인 자아 존중감과 자가 간호 수행의 정도를 확인하고, 자아 존중감과 자가 간호 수행의 상관 관계를 규명하여 노년기의 적응을 돕고 건강을 증진하여 보다 질적인 노인의 삶을 유지,증진시키는 간호중재를 제공하기 위해 시행되었다. 연구 대상은 서올시 내에 소재한 2 곳의 양로원과 9곳의 경로당에서 임의 표집한 65세 이상의 노인 105명이었다. 자료는 질문지를 이용한 개인 면접을 통하여 수집되었으며, 자료 수집 기간은 1994년 9월 29일부터 10월 15일까지였다. 연구 도구로 전병재(1974)가 번역한 Rosenberg의 자아 존중감 측정 도구와 최영회, 정승은(1991)이 일상생활 기능을 중심으로 개발한 노인의 신체적 건강 사정 도구를 사용하였다. 수집한 자료는 5.P.5.5.를 이용하여 기술 통계, 1-test, one way ANOVA, Pearson Correlation Coefficient등의 동계 방법으로 분석하였다. 본 연구의 결과는 다음과 같다. 1.대상자의 평균 연령은 75.9세이었고 남녀 구성 비율은 남자 노인이 27.6%, 여자 노인이 72.4%이었다. 교육 정도늘 무학이 57.1%로 가장 많았고 한달 용돈은 5만원 이하가 60%로 가장 많았으며, 배우자의 유무에 있어서는 배우자가 사별한 경우가 73.3%이었다. 그리고 자녀가 있는 노인은 72.4%이었으며 동거유형별로는 양로원에 거주하는 노인이 41.9%,재가 노인은 58.1%이었다. 2.노인의 자아 존중감의 평균 점수는 25,70점 (SD±4.80)이었고 최소 56점에서 최대 98점의 분포를 보여 중상(中上)정도로 자가 간호를 수행하는 것으로 나타났다. 3. 노인의 자아 존중감과 자가 간호 수행은 순상관관계를 나타내었다. (r= 0.5288, p = 0.000 ). 즉 자아 존중감이 높을수록 자가 간호 수행을 잘하였다. 4.일반적 특성에 따라 자아 존중감의 차이를 분석한 결과,연령에 따른 자아 존중감은 통계적으로 유의한 차이가 없었다(F= 0.7966, p) 0.05). 그러나 대상자의 성별, 교육정도, 용돈액수, 배우자 유무, 자녀 유무, 동거 유형에 따라 차이가 있었다(P<0.05). 5.일반적 특성에 따라 자가 간호 수행의 차이를 분석한 결과,연령에 따라 자가 간호 수행 점수는 65-74세의 노인이 75세 이상의 노인보다 점수는 높았으나 통계적으로 유의한 차이는 없었다(F= 2.9079, p> 0.05). 그러나 대상자의 성별, 교육정도, 용돈 액수, 배우자 유무, 자녀 유무, 동거 유형에 따라 유의한 차이가 있었다(P<0.05). Old age, as the last step of man's life, should retain a high quality of life. However, as people grow older there is a tendency towards a sensory loss, decteased endurance and mobility limitation, loss of self-esteem, depression, diminution of dignity and a loss of independence. All these factors act to diminsh the quality of life for the elderly. It is necessary for these people to adapt themselves to the symptoms of senility and to recover their physical function, further more to keep their social position and never forget their usefulness to family and to society. Therefore, this study was designed to identkfy degree of self-esteem and self-care practices of the elderly and to investigate the relationship between them, and thus contribute to nursing interventions that maintain and promote quality of the elderly with helping them to adapt themselves to their life and to promote their health. The subject of this study were 105 persons, over age 65 years, who were convenience sampled the aged from 2 institutions and 9 senior citizens' centers in Seoul. Data was collected during personal interviews with a questionnaire from September 29, 1994 to October 15, 1994. The measurement tool were Self-Esteem Scale developed by Rosenberg and translated by Jon, Byong Je (1974), and the Physical Health Assessment Tool focusing on activities of daily living developed by Choi, Young Hee and Chung, Seung Eun (1991). Data was analyzed by the S. P. S. S. computer program and included descriptive statistics, t -test, one way ANOVA, and Pearson Correlation Coefficient. The conclusions of this study are summarized as follows; 1. The mean of self-esteem was 25.70 (SD ?4.80) in a range of 15 to 36. This means a moderate degree of self-esteem exists among elderly. 2. The mean of self-care practices was 79.71 (SD ?9.65) in a range of 56 to 98. This means elderly practices self-care moderately high. 3. There was a significant positive correlation between self-esteem and self-care practices (r=0.5288, p=0.000). In other words, the higher the degree of self-esteem, the higher the degree of self-esteem, the higher the degree of self-care practices. Therefore, to maintain and improve the health of the elderly, it is necessary to plan nursing interventions for self-esteem or for self-care practices. That is to say, psychosocial interventions that enhance an elderly's self-esteem may be expected to improve self-care and, conversely, participation in self-care practices may be expected to enhance self-esteem. 4. The degree of self-esteem according to age was no difference statistically (F=0.7966, p>0.05). However, demographic characteristic variables related to self-esteem significantly were sex, education level, income level, spouse's presence, offsprings' presence and family pattern. That is to say, elderly men had a higher degree of self-esteem than elderly women (t=3.05, p<0.01). Elderly who graduated from middle school showed the highest sef-esteem (F=3.0326, p<0.05). Elderly who spend less than 50,000 won as pocket money showed the lowest self-esteem (F=2.8919, p<0.05). Elderly with a surviving spouse (F=4.5102, p<0.05), those having offsprings, had high self-esteem(t=5,54, p<0.001). And those living with unmarried offspring had superior self-esteem, while those living in institution had inferior self-esteem (F=7.1131, p<0.01). 5. According to age of a demographic characteristics, the self-care practices scores of 65 -74 year olds were higher than those over 75. It did not show any significant difference statistically (F=2.9079, p>0.05). According to sex, education level, income level, spouse's presence, offsprings' presence and family pattern, the score of self-care practices of the elderly showed significant differences statistically (p<0.05). That is to say, males practiced self-care better than females (t=0.40, p<0.001), middle school graduates practiced self-care better than non-educated, elementary school graduates, high school graduates and college graduates (F=6.0271, p<0.001). And the larger their income (F=5.7002, p < 0.001), spouse-present elderly showed superiority to spouse-absent and others (F=14.9942, p<0.001). Those having offsprings practiced self-care better than those without (t=5.07, p<0.0001). Institution-resident elderly had the poorest score on self-care practices, on the other hand, live-alone elderly had the best score on self-care practices (F=9.4777, p<0.001) Based on these conclusion, further research is suggested to discover variable factors influencing the self-esteem and self-care practices and to develop nursing strategy for improving self-esteem and self-care practices of the elderly. And a study is required on the relationship between self-esteem and self-care practices of the diseased elderly.