혈액투석 중인 말기 신장질환 환자의 우울과 삶의 질

김형준,이우미,안선호,송주흥,김재민,김성완,이상열,Kim, Hyoung-Jun,Lee, Woo-Mi,Ahn, Seon-Ho,Song, Ju-Heung,Kim, Jae-Min,Kim, Sung-Wan,Lee, Sang-Yeol 대한불안의학회 2006 대한불안의학회지 Vol.2 No.2

Objective : In this study, we investigated the prevalence of depression and its impact on the healthrelated Quality of life (HRQoL) of the patients with End-Stage Renal Disease (ESRD) on Hemodialysis. Method : The Quality of life (QOL) of patients was evaluated by HRQoL Questionnaire, "Medical Outcome Survey 36-Item Short Form Health Survey Korean Version (SF-36-K)". The patients on Hemodialysis in ESRD, were chosen from the hemodialytic room at Wonkwang University and Jeongeup-Asan Hospital. The number of patients was 95 (64 from Wonkwang University Hospital and 31 from Jeongeup-Asan Hospital) and all of them were above 19 years old. We performed various investigations to find a statistical correlations between HRQoL and physical & psychosocial factors such as the demographic characteristics, clinical characteristics (hemoglobin level and albumin level etc), and the score of Beck's depressive inventory (BDI). Results : The HRQoL value of patients on hemodialysis in ESRD is far poorer than the HRQoL reference value of Koreans and Americans, who are in normal healthly. The prevalence of depressive symptoms by BDI of the ESRD patients on hemodialysis is 68.6%, and age and depression have negative correlations with HRQoL of the patients. However, education level, serum albumin level, and social support have positive correlations with HRQoL. The patient group with depression has significantly poorer HRQoL than the group without depression. Conclusion : The HRQoL of ESRD patients on hemodialysis is not good in both physical and mental aspects. The prevalence of depression is very high and depression has negative impact of HRQoL of patients. Based on our study, it is essential to accompany with therapeutic Strategy to improve the HRQoL of ESRD patients on hemodialysis.

물의 주거로서 더 갤러리 카사 델 아구아에 구현된 리카르도 레고레타의 건축언어

김형준,Kim, Hyoung-Jun 한국주거학회 2014 한국주거학회 논문집 Vol.25 No.2

The Gallery of Casa del Agua in Jeju Island was demolished by Jeju local government on March 6 in the last year. In the meanwhile, a lot of people including the architectural field had denied the demolition. Regardless of sustained efforts in order that the building could be preserved as a work, Jeju government ended up with demolishing the gallery. The Gallery of Casa del Agua was a temporary building constructed as a model house of Casa del Agua. As the remaining period of the temporary building had passed, it was on the verge of demolition by Jeju government. Casa del Agua is 'dwelling of water' in Korean, and the building was the last posthumous work of Mexican architect Ricardo Legorreta. Knowing from the expression of 'dwelling of water', this house is a dwelling work of him. Through this work, his architecture languages that he had pursued contained in dwelling could be looked into. This study examined the background and course of demolition of the Gallery of Casa del Agua, 'dwelling of water' and arranged problems in the course of demolition. Then, the fact that the Gallery of Casa del Agua as an architecture work of Ricardo Legorreta included his architecture languageswas analyzed. For this, his universalarchitecture languages were examined and how the architecture languages were applied to the Gallery of Casa del Agua was analyzed. As a result, it could be known that languages of composition and languages of emotion consistently shown in his works were represented in the Gallery of Casa del Agua.

이중 바이어스 조절과 PBG를 이용한 도허티 증폭기 전력 효율 개선에 관한 연구

김형준,서철헌,Kim Hyoung-Jun,Seo Chul-Hun 한국전자파학회 2006 한국전자파학회논문지 Vol.17 No.8

본 논문에서는 이중 바이어스 조절과 PBG 구조를 이용하여 Doherty 증폭기의 효율을 개 선하였다. PBG 구조를 출력 정합 회로에 구현하였으며, 이중 바이어스 조절을 carrier amplifier에 적용하여 낮은 입력 레벨에서도 Doherty 증폭기의 효율을 개선할 수 있었다. 제안된 구조를 이용한 Doherty 증폭기는 기존의 전력 증폭기에 비해 PAE는 8%, $IMD_3$는 -5 dBc 개선하고, 모든 입력 전력 레벨에서 30% 이상의 고효율을 가질 수 있었다. In this paper, dual bias control circuit and PBG(Photonic BandGap) structure have been employed to improve PAE(Power Added Effciency) of the Doherty amplifier on Input power level. The gate and drain bias voltage has been controlled with the envelope of the input RF signal and PBG structure has been employed on the output port of Doherty amplifier. The proposed Doherty amplifier using dual bias controlled circuit and PBG has been improved the average PAE by 8%, $IMD_3$ by -5 dBc. And proposed Doherty amplifier has a high efficiency more than 30% on overall input power level, respectively.

청소년기에서 발생한 원발성 위 림프종 1례

김형준,함용대,정진화,이정호,Kim, Hyoung-Jun,Ham, Yong-Dae,Jung, Jin-Hwa,Lee, Jung-Ho 대한소아소화기영양학회 1999 Pediatric gastroenterology, hepatology & nutrition Vol.2 No.2

저자들은 2주간의 간헐적 상복부 동통과 식욕결핍을 호소하는 15세 남아에서 위 내시경과 조직 생검으로 진단된 원발성 위 림프종 1례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Primary gastric lymphoma is relatively uncommon, accounting for 3% to 8% of all malignancies arising in the stomach. The most common symptom is abdominal pain, closely followed by weight loss, anorexia, weakness due to anemia, nausea, and vomiting. The diagnosis of gastric lymphoma usually requires a biopsy at the time of gastroscopy or laparotomy. Microscopically, the vast majority of gastric lymphoid tumors are non-Hodgkin's lymphomas of B cell origin. Survival rates for all types of gastric lymphoma generally exceed those for adenocarcinoma and other malignancies of the stomach. We experienced one case of primary gastric lymphoma in puberty with a brief review of the literature.

연간궤적을 (連稈軌跡) 이용한 4링크기구의 합성

김형준,김경욱 ( Hyoung Jun Kim,Kyeong Uk Kim ) 한국농업기계학회 1982 바이오시스템공학 Vol.7 No.2

特殊한 機能을 遂行하기 위한 링크 機構의 設計에서는 링크의 連稈軌跡이 重要한 設計條件이 된다.移秧機의 移植機構나 바인던의 放出암은 모두 4링크 機構를 利用하여 作業遂行에 必要한 連稈軌跡을 있는 것이다. 必要한 連稈軌跡을 얻기위한 4링크 機構의 合成은 圖解的, 解析的 方法을 通하여 많은 硏究가 이루어져 왔으며 最近에는 콤퓨터를 利用한 機構合成에 對한 硏究가 활발하게 이루어지고 있다. 本硏究에서는 連稈軌跡의 點들을 利用하여 주어진 連稈軌跡을 얻기위한 4링크 機構의 合成에 對한 새로운 方法을 開發하고 이 方法을 콤퓨터 크로크 래밍하여 주어진 連稈軌跡과 콤퓨터로 合成較한 4링크 機構의 連稈軌跡을 比較검토 하였다. N/A

거대망상형 수지 입자에 의한 피리딘류의 흡착

김형준,이성식,손진언,에이지후루야 ( Hyoung Jun KIM,Sung Sik LEE,Jin Eon SOHN,Eiji FURUYA ) 한국화학공학회 1995 화학공학의이론과응용 Vol.1 No.2

개방 루프 다중 분할 링 공진기를 이용한 0.13 um 전압 제어 발진기 설계

김형준,최재원,서철헌,Kim, Hyoung-Jun,Choi, Jae-Won,Seo, Chul-Hun 한국전자파학회 2010 한국전자파학회논문지 Vol.21 No.2

본 논문에서는 개방 루프 형태를 지닌 다중 분할 링 공진기를 이용하여 0.13 um CMOS 공정에서 전압 제어 발진기의 설계 및 제작을 통해 위상 잡음 특성을 개선하였다. CMOS LC 공진기를 이용한 기존의 전압 제어 발진기와 비교했을 때, 본 논문에서 제안한 CMOS 전압 제어 발진기의 보다 큰 결합 계수를 통하여 Q-factor의 향상을 얻을 수 있었고, 이로 인해 전압 제어 발진기의 위상 잡음의 특성을 개선할 수 있었다. 개방 루프 다중 분할 링 공진기를 이용하여 제안된 전압 제어 발진기의 위상 잡음은 1 MHz 오프셋에서 -99.67 dBc/Hz의 특성을 나타내었다. 기존의 CMOS LC 전압 제어 발진기에 비해 약 7 dB의 위상 잡음 개선 특성을 얻을 수 있었고, 발진 주파수는 24 GHz이며, 0.13 um CMOS 공정을 통해 $0.7\;mm{\times}0.9\;mm$의 크기를 가지고 있다. In this paper, a novel voltage-controlled oscillator(VCO) using the open loop multiple split ring resonator(OLMSRR) is presented for improving the phase noise, implemented in 130 nm CMOS technology. Compared with the conventional CMOS LC resonator, the proposed CMOS OLMSRR has the larger coupling coefficient value, which makes a higher Q-factor, and has improved the phase noise of the VCO. The proposed CMOS VCO based OLMSRR has the phase noise of -99.67 dBc/Hz @ 1 MHz in the oscillation frequency. Compared with the VCO using the conventional CMOS LC resonator and the proposed VCO using the CMOS OLMSRR structure has been improved in 7 dB. The prototype 24 GHz CMOS VCO is implemented in 130 nm CMOS and occupies a compact die area of $0.7\;mm{\times}0.9\;mm$.

Fetal bovine serum의 농도에 따른 infectious hematopoietic necrosis virus와 infectious pancreatic necrosis virus의 감염가 변화

김형준,박정수,권세련,Kim, Hyoung Jun,Park, Jeong Su,Kwon, Se Ryun 한국어병학회 2018 한국어병학회지 Vol.31 No.2

Fetal bovine serum (FBS) is an essential element of cell growth and can also affect the viral replication. In this study, we tried to find out whether FBS concentration affects the viral infectivity titer of IHNV and IPNV. EPC cells were suspended with MEM supplemented with various concentrations of FBS (MEM0, MEM2, MEM5 and MEM10) and cultured in 96-well plate. Each virus was 10-fold diluted virus and inoculated in 96-well plate. The highest infectivity titer of IHNV was $10^{7.88}\;TCID_{50}/mL$ in 96-well plate using MEM5 and the lowest one was $10^{7.30}\;TCID_{50}/mL$ in 96-well plate using MEM10. The highest infectivity titer of IPNV was $10^{7.47}\;TCID_{50}/mL$ in 96-well plate using MEM5 and the lowest one was $10^{6.97}\;TCID_{50}/mL$ in 96-well plate using MEM10. This study showed that not only 0% FBS but 10% FBS leads low infectivity titer of IHNV and IPNV. Therefore, it is considered that the desirable concentration of FBS is 2% or 5% for measurement of infectivity titer of IHNV and IPNV.

도시공원의 공간적 불균형 분석을 통한 공급적정성 평가

김형준,정성관,이우성,Kim, Hyoung-Jun,Jung, Sung-Gwan,Lee, Woo-Sung 한국조경학회 2011 韓國造景學會誌 Vol.39 No.4

최근 환경친화적이고 지속가능한 도시 건설을 위한 도시공원 입지의 중요성이 증대되고 있으며, 바람직한 도시공원 조성을 위해서는 공급적정성 평가와 입지 선정 방법에 대한 정확한 이해와 접근 방법이 필요하다. 그러나 현재까지 우리나라 도시공원의 공간적 불균형과 입지계획에 대한 연구는 미흡한 실정이다. 이에 본 연구에서는 대구광역시 수성구 황금동을 대상으로 도시공원의 공간적인 불균형을 평가하고 부족지역을 추정하였으며, 불균형 해결을 위한 정책적 제언을 하였다. 분석결과를 살펴보면, 황금 1동과 2동의 도시공원 법적 요구량은 각각 943.08$m^2$/GRID, 380.61$m^2$/GRID로 나타났으며, 2개 근린공원과 4개 어린이공원으로부터 제공되는 총 서비스 제공량은 각각 406,730.80$m^2$, 157,086.40$m^2$로 분석되었다. 이를 토대로 황금동 전체의 공급적정면적을 평가한 결과, 법적 제공면적 이하의 도시공원을 제공받는 지역은 황금 1동이 12.3%, 황금 2동이 51.5%로 나타났다. 한편, 주거지역을 대상으로 도시공원의 공급적정성을 평가한 결과에서는 "매우 충족"한 지역이 황금 1동 20.5%, 황금 2동 5.4%로 나타난 반면, "매우 부족"한 지역은 황금 1동 27.6%, 황금 2동이 10.8%로 분석되며, 도시공원이 부족한 것으로 평가된 지역은 면적, 형태 등을 고려한 공원의 추가조성이 필요할 것으로 사료된다. 이러한 공급적정성 평가 결과는 도시공원 업지의 문제점을 파악하고, 해결하기 위한 도구로써의 역할뿐만 아니라, 환경친화적이고 지속가능한 도시건설을 위한 공원기본계획의 기초자료로써 활용 가능할 것으로 판단된다. Recently, the location of urban parks has become more important in terms of the construction of an environment-friendly, sustainable city. To build a refined and desirable urban park, it is necessary to have precise understanding on the evaluation of supply adequacy and selection method for its location. However, there have been few studies on the spatial imbalance and location plan of urban parks. Therefore, this study has attempted to evaluate the spatial imbalance of urban parks in Hwanggeum-dong, Suseong-gu in Daegu and propose a policy suggestion to solve the imbalance. According to the analysis, Hwanggeum 1-dong and 2-dong recorded 943.08$m^2$/GRID and 380.61$m^2$/GRID, respectively, in terms of legal requirements for urban parks and 406,730.80$m^2$ and 157,086.40$m^2$ in terms of total service supply from two neighborhood parks and four children's parks. According to the evaluation of optimal supply area across Hwanggeum-dong, Hwanggeum 1-dong and 2-dong recorded 12.3% and 51.5%, respectively. In an evaluation of the supply adequacy of urban parks, the areas described as 'very satisfying' were 20.5% and 5.4% in Hwanggeum 1-dong and 2-dong, respectively. On the contrary, the areas described as 'very dissatisfying' accounted for 27.6% and 10.8%, respectively, in the two regions. It appears that additional parks should be developed in the inferior areas in terms of urban parks in consideration of various factors such as area and shape. The results of the supply adequacy evaluation will be used as a tool to figure out and solve problems in the location of urban parks and as basic data for a master plan to build an environment-friendly, sustainable city.

전방 십자 인대 재건술 후 감염의 치료: 이식건의 보존

김형준,고해석,문찬웅,최남용,인용,김민우,Kim, Hyoung-Jun,Koh, Hae-Seok,Moon, Chan-Woong,Choi, Nam-Yong,In, Yong,Kim, Min-Woo 대한관절경학회 2007 대한관절경학회지 Vol.11 No.2

목적: 이 연구의 목적은 전방 십자 인대 재건술 후 발생한 감염 환자에서 이식건을 보존하고 치료한 저자들의 결과를 후향적으로 분석하여 보고하는 것이다. 대상 및 방법: 2000년 1월부터 2005년 12월까지 시행한 511예의 전방 십자 인대 재건술 중 감염의 합병증이 있었던 5예(0.97%)를 대상으로 하였다. 전 예에서 전방 십자 인대를 보존한 상태에서 세척술과 활액막 절제술, 항생제 투여로 치료하였다. 결과: 평균 추시기간은 34개월이었다. 감염이 재발된 예는 없었다. International Knee Documentation Committee 평가 기준상 거의 정상의 결과를 보인 예가 2예, 비정상의 결과를 보인 예가 3예였다. KT-2000 관절계를 이용한 최대 도수 부하 검사 상 전방 불안정성을 보인 예는 없었다. 결론: 저자들은 전방 십자 인대 재건술 후 감염 발생시 전방 십자 인대를 보존하고 치료하여 감염의 재발이 없었다. Purpose: To report the results of graft retention treatment for infection cases after anterior cruciate ligament(ACL) reconstruction. Materials and Methods: From a group of 511 consecutive ACL reconstruction patients, we report 5 who sustained septic arthritis. All patients underwent arthroscopic lavage, debridement, synovectomy with graft retention, and treatment with intravenous antibiotics. Results: All patients were evaluated at an average of 34 months after operation. The infection was successfully eradicated. No patient showed instability with KT-2000 arthrometer testing. The clinical outcome was inferior to normal ACL reconstruction patients. Two patients were graded as nearly normal and 3 patients were graded as abnormal with International Knee Documentation Committee evaluation form. Conclusion: There were no recurrences of septic arthritis or bone infection with graft retention treatment for infection patients after ACL reconstruction.