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지역사회주민의 생활 만족도와 이에 영향을 미치는 건강관련요인 연구
구현진,남철현,정호윤,하순희,배현숙,정현숙,이화수,Koo, Hyun-Jin,Nam, Chul-Hyun,Chung, Ho-Yoon,Ha, Soon-Hee,Bae, Hyun-Sook,Jung, Hyun-Suk,Lee, Wha-Soo 대한예방한의학회 2008 대한예방한의학회지 Vol.12 No.2
The current study was conducted to produce basic data for the policy establishment to improve the life satisfaction of residents in regional communities. The study subjected total 1,400 residents living in youngnam province in our nation for the survey by using convenience sampling. The survey took about 4 months started from March 1, 2007 to June 30, 2007. The abstract and conclusion of the result could be summarized as in below. 1. In subjective health status, 45.4% responded as normal, and the health status scored $2.68{\pm}0.67$ in 5 point scale(53.6 in 100 point scale). 2. The level of life satisfaction was found to show the score of $19.57{\pm}3.39$ in 30 point scale(65.2 in 100 point scale). Characteristically, the highest score was found in male in both age groups younger than 19 and in 20s, but lowest score was found in the age group in 40s(p<0.001). In the level of life satisfaction, 29.6% responded as satisfactory and 11.9% responded as not satisfactory. 3. In reviewing the life satisfaction by the health related characteristics, 65.7% of whom responded as very healthy answered satisfactory in life, and the life satisfaction was significantly high in peoples who do not smoke. However, the level was significantly higher in alcohol drinker than no alcohol drinker. People who have enough sleep tended to satisfy in their life, and the life satisfaction level of whom have leisure turned out to show superiorly high satisfaction level. 4. As the variables affecting on the life satisfaction, sex, age, education level, marital status, health status, stress level, life satisfaction level, healthy life activities and depression level were found, and the influence of these variables was 19.6%. As the above results demonstrate, the life satisfaction of residents in regional community was proportional to health status and highly affected by daily health life. So, the more attentions have to be made on health management and the self effort should not be neglected. Especially, since stress, depression level and leisure life did have effects on life satisfaction, more attentions have to be made on stress solving and on the development of leisure life programs. For the goal, the governments, related private organizations and specialized workforces have to make integrated efforts along with the health improvement project in large perspectives.
유아혈관종 환아 375명에서 두 가지 제형의 경구 프로프라놀롤 치료 효과와 안전성에 대한 한국 단일기관에서의 경험
이현지 ( Hyun Ji Lee ),하기웅 ( Giung Ha ),정호윤 ( Ho Yun Chung ),이종민 ( Jong Min Lee ),이상엽 ( Sang Yub Lee ),허승 ( Seung Huh ),김지윤 ( Ji Yoon Kim ),이석종 ( Seok-jong Lee ) 대한피부과학회 2021 대한피부과학회지 Vol.59 No.3
Background: Oral propranolol has recently been introduced as a successful treatment for infantile hemangioma (IH). Though, there are limited reports on this treatment including large number of Korean patients with IH covering a long-term powder and solution formulation period. Objective: We investigated the effectiveness and side effects of two different formulations of oral propranolol treatment in patients with IH at a Korean tertiary university hospital. Methods: From June 2011 to October 2019, 375 patients were treated with powder- or solution-type oral propranolol starting at 1 mg/kg/day and increasing up to 3 mg/kg/day. Drug effectiveness was evaluated on four scales through sequential photographs by two dermatologists. Side effects were recorded on a medical chart. Results: Overall, the mean improvement scale was 2.61±0.73 at 3 months after treatment initiation. The scale was higher for solution-type than for powder-type oral propranolol at the 3-month follow-up (2.71±0.79 vs. 2.54±0.67, p<0.05). The patients’ mean duration of treatment was 8.56±5.85 months, which was shorter for solution-type than for powder-type oral propranolol (6.0 vs. 10.69 months, p<0.05). Among the total number of patients, 22 reported mild side effects, including loose stools and noticeable sleep disturbance, and few serious side effects such as grunting, while two patients required medical intervention. Conclusion: The patients in our study were effectively treated for IH with oral propranolol without significant side effects and had a shorter treatment duration with solution-type oral propranolol than with powder-type oral propranolol. (Korean J Dermatol 2021;59(3):196∼205)
정맥,림프관기형에서의 혈관경화요법의 효과와 안전성: 장기간 추적관찰
이재철 ( Jae Chul Lee ),김호연 ( Ho Youn Kim ),최윤석 ( Yoon Seok Choe ),이석종 ( Seok Jong Lee ),김도원 ( Do Won Kim ),정호윤 ( Ho Yun Chung ),백승국 ( Seung Kug Baik ),이종민 ( Jong Min Lee ),허승 ( Seung Huh ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.9
Background: Surgical excision and alcohol sclerotherapy have been used to treat congenital vascular malformations (CVM) with a significant success rate but the methods have also left marked morbidity. The alternative, sclerotherapy using ordinary sclerosants, although resulting in trivial complications, has a relatively low cure rate and is rarely used in Korea for CVM management. Objective: To evaluate the effects and side effects of sclerotherapy using ordinary sclerosants such as polidocanol (POL) and sodium tetradecyl sulfate (STS) for the treatment of CVM of a venous and lymphatic type. Methods: To confirm the long-term effects and safety with at least a 3-year follow-up, we chose a total of 26 patients who had undergone sclerotherapy between 2000 to 2004. There were 22 venous malformations (VMs) and 4 lymphatic malformations (LMs) which were rather small and superficial, not beyond muscular fascia. Sclerotherapy using POL and STS was performed by blind intraluminal and/or intralesional injection without the aid of imaging methods such as ultrasound examination. The results were evaluated by the patients` subjective satisfaction, physical examination, comparison of photographs and/or radiological examinations, then they were classified into 4 groups; excellent (improvement >75%), good (50~75%), fair (25~49%) and poor (<25%). Results: Twenty two VMs comprised 14 in the excellent group (66.7%), 6 in the good group (25.0%), 1 in the fair group (4.2%) and 1 in the poor group (4.2%). Two LMs of macrocystic type revealed excellent results but the other two showing microcystic type revealed poor results. The dose of sclerosant was 0.1 to 2 ml in every session and a total of 1 to 6 sessions (average: 2.2) were performed. Only one VM showed hyperpigmentation as a side effect. Conclusion: Sclerosants for ordinary varicose vein eradication can be used on the treatment of small and superficial venous malformations and macrocystic-lymphatic malformations with relative efficacy and safety. (Korean J Dermatol 2008;46(9):1194~1200)
고집광 태양광 발전을 위한 렌즈 및 광 파이프 특성 시뮬레이션
유광선(Ryu Kwang-Sun),신구환(Shin Goo-Hwan),차원호(Cha Won-Ho),명로훈(Myung Noh-Hoon),김용식(Kim Young-Sik),정호윤(Chung Ho-Yoon),김동균(Kim Dong Kyun),강기환(Kang Gi-Hwan) 한국태양에너지학회 2011 한국태양에너지학회 학술대회논문집 Vol.2011 No.4
The artificial increase in the solar intensity incident on solar cells using lenses or mirrors can allow solar cells to generate equivalent power with a lower cost. In application areas of Fresnel lenses as solar concentrators, several variations of design were devised and tested. Some PV systems still use commercially available flat Fresnel lenses as concentrators. In this study, we designed and optimized flat Fresnel lens and the 'light pipe' to develop 500X concentrated solar PV system. We performed rigorous ray tracing simulation of the flat Fresnel lens and light-pipe. The lightpipe can play imporatant roles of redistributing solar energy at the solar cell and increase the mechanical tolerance so that it can increase the lifetime of the high-concentration solar PV system and decrease the cost of manufacturing. To investigate the sensitivity of the solar power generated by the concentrated solar PV according to the performance of lens and light pipe, we performed ray tracing and executed a simulation of electrical performance of the solar cell when it is exposed to the non-uniform illumination. We could conclude that we can generate 95 % or more energy compared with the energy that can be generated by perfectly uniform illumination once the total energy is given the same.
사마귀양혈관종과 혈관각화종: 임상병리조직학적 유사점과 차이점
정홍대 ( Hong Dae Jung ),박경덕 ( Kyung Duck Park ),지성근 ( Seong Geun Chi ),이석종 ( Seok Jong Lee ),최윤석 ( Yoon Seok Choe ),김병수 ( Byung Soo Kim ),김도원 ( Do Won Kim ),정호윤 ( Ho Yun Chung ),윤길숙 ( Ghil Suk Yoon ) 대한피부과학회 2009 大韓皮膚科學會誌 Vol.47 No.4
Background: Verrucous hemangioma (VH) and angiokeratoma (AK) are vascular birthmarks of an unclear nosology and these birthmarks commonly show a superficial hyperkeratotic vascular component. There are both similarilities and differences between VH and AK with some confusion concerning their overlapping features. Objective: This study was undertaken to review the clinicopathological features of VHs and AKs and to determine the similarilities and differences between them. Methods: We retrospectively reviewed 11 VHs and 7 AKs at the Vascular Anomaly Clinic of our hospital over the past 10 years. They were evaluated from the clinicopathologic point of view for factors such as the age of onset, location, size, symptoms, the histopathological epithelial change and involvement of deeper tissue. Results: These birthmarks share common clinical features with the exception of gender and lesion size. Histopathologically, hyperkeratosis, acanthosis and capillary dilatation in the upper dermis were commonly seen. Yet lobular proliferation and dilatation of blood vessels in the deep dermis, or more importantly, the subcutis were detected in VH only. Furthermore there was a case of VH that showed diffusely scattered increased blood vessels in the subcutis, suggesting an evolving stage of VH and there was another case of VH that was erroneously diagnosed as AK via the initial biopsy, and the final diagnosis was changed according to the excised lesion. Conclusion: The two diseases share most of their clinicopathological features, but small parts of features like gender, the clinical size and the histological deep dermis/subcutis involvement were differences. Making the correct differential diagnosis between VH and AK through a deep biopsy with appropriate timing and long term follow up and/or radiological examination is helpful to avoid erroneous management. (Korean J Dermatol 2009;47(4):419~424)
유아혈관종의 임상병리조직학적 고찰: GLUT-1염색의 진단적 유용성
지성근 ( Seong Geun Chi ),정홍대 ( Hong Dae Jung ),이석종 ( Seok Jong Lee ),김병수 ( Byung Soo Kim ),이원주 ( Weon Ju Lee ),김도원 ( Do Won Kim ),정호윤 ( Ho Yun Chung ),윤길숙 ( Ghil Suk Yoon ) 대한피부과학회 2009 大韓皮膚科學會誌 Vol.47 No.4
Background: Hemangioma of infancy (HOI) is one of the most common tumors in childhood. Their clinical features can on occasion look like those of other vascular tumors and malformations, so the correct differentiation of HOI may not always be easy. Objective: The purpose of this study was to review the clinicopathological features of HOIs and to particularlyexamine the usefulness of glucose transporter protein isoform-1 (GLUT-1) immunohistochemical stain (IHS) as a specific marker of HOI. Methods: This study was conducted at the Vascular Anomaly Clinic of Kyungpook National University Hospital during 11 years (1998~2008). Sixty-two cases were selected in addition to selecting other tumors and malformation as a control group. We then reviewed their clinical features and the results of H&E and GLUT-1 IHS for making the differential diagnosis.Results: The male to female ratio was 1: 2.88. The head and neck were the most commonly involved sites. The complications included ulceration and/or bleeding (12.9%), scarring (9.7%), infection (4.8%), ocular complications (4.8%) like visual axis occlusion, and pain (1.6%). Three phases of proliferating, involuting and involuted of a HOI comprised 11.3%, 37.1% and 51.6% of the lesions, respectively, from the clinical view point and 11.3%, 48.4% and 40.3% of the lesions, respectively, from the pathological point of view. GLUT-1 was positively expressed on almost all of the HOIs (47/57, 82.5%), except for 10 HOIs of the involuted phase and the other controls. Conclusion: The clinicopathological findings of this study were similar with those of the previous reports. The expression of GLUT-1 by a HOI can be helpful to make the correct diagnosis from other vascular tumors and malformations. (Korean J Dermatol 2009;47(4):386~394)
임현정 ( Hyun Jung Lim ),전재현 ( Jae Hun Jun ),장한진 ( Han Jin Jung ),이원주 ( Weon Ju Lee ),이석종 ( Seok Jong Lee ),김도원 ( Do Won Kim ),정호윤 ( Ho Yun Chung ),윤길숙 ( Ghil Suk Yoon ),이종민 ( Jong Min Lee ) 대한피부과학회 2010 대한피부과학회지 Vol.48 No.7
Congenital hemangioma (CH), which is already fully formed at birth, is a rare clinical entity that is distinctly different from the common postnatally-occurring hemangioma of infancy (HOI). These two forms of CH have been described according to their clinical courses: apart from the clinical features of presentation at birth, there is the rapidly involuting congenital hemangioma (RICH) with rapid involution shortly after birth and the noninvoluting congenital hemangioma (NICH) with neither postnatal enlargement nor spontaneous involution. It is important to recognize this uncommon disease entity NICH in the early period because it has no tendency for spontaneous regression, so timely therapeutic intervention is needed, which is in contrast to that of HOI. We present 3 patients who were 1-, 3- and 13-year-old girls with red-stippled blue to blue gray vascular lesion. They all showed their lesions since birth and the lesions remained unchanged with no subjective symptoms. Doppler ultrasonography demonstrated a well-defined fast-flowed vascular lesion confined to the dermis and subcutis. The histology commonly showed lobular growth of capillaries, centrilobular irregular and often stellate vessels, extralobular large vessels and more conclusively, negative staining for GLUT-1, which is unlike HOI. (Korean J Dermatol 2010;48(7):611∼615)
Kim, Jin-Woo,Yoo, Jin-Hong,Park, Yoon-Hee,Kahng, Ji-Min,Kim, Jung-Sun,Song, Dong-Seob,Chung, Ho-Yoon,Choi, Ji-Hyeon,Kang, Jin-Han,Shin, Wan-Shik,Kang, Moon-Won 대한화학요법학회 1998 대한화학요법학회지 Vol.16 No.4
50세 남자환자가 불명열을 주소로 내원하였다. 각종 검사상 빈혈 이외에는 정상이었으며 골수조직검사상 적혈구와 다형핵세포를 식혈하고 있는 조직구증식이 관찰되었다. 혈청학적 검사상 Epstein-Barr virus(EBV)에서 EBV viral capsid antigen(VCA) 의 IgM 은 음성, EBV VCA 의 IgG 은 양성, EBNA 항체는 양성, EBV EA-DR의 IgM 은 1:10의 역가로 양성을 보였고, EBV EA-DR의 IgG 은 양성, EBNA 항체는 양성, EBV EA-DR 의 IgM은 1:10의 역가로 양성을 보였고, EBV EA-DR의 IgG는 양성이었다. 이 검사결과를 토대로 Epstein-Barr 바이러스에 대해 골수조직에서 in situ hybridization을 시행한 결과 EBERs 및 Epstein-Barr 바이러스의 mRNA를 증명하였다. 이에 저자들은 Epstetn-Barr virus에 의한 hemophagocytic syndrome으로 진단된 50세 남자환자 1예를 보고하는 바이다.