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임정훈,Lee Ga Young,Jeon Yena,Jung Hee-Yeon,Choi Ji Young,CHO, JANG-HEE,Park Sun Hee,김용림,Kim Hyung-Kee,Huh Seung,유은상,Won Dong Il,Kim Chan-Duck 대한신장학회 2022 Kidney Research and Clinical Practice Vol.41 No.3
Background: The number of elderly patients with end-stage kidney disease has been increasing, but the outcomes of kidney transplants (KT) remain poorly understood in elderly patients. Therefore, we evaluated the clinical outcomes of elderly KT recipients and analyzed the impact of elderly donors. Methods: This retrospective cohort study included patients who underwent KT between 2000 and 2019. KT recipients were divided into four groups according to a combination of recipient and donor age (≥60 or <60 years); elderly recipients: old-to-old (n = 46) and young-to-old (n = 83); young recipients: old-to-young (n = 98) and young-to-young (n = 796). We compared the risks of mortality, graft failure, and acute rejection between groups using Cox regression analysis. Results: The incidence of delayed graft function, graft failure, and acute rejection was not different among groups. Annual mean tacrolimus trough level was not lower in elderly recipients than young recipients during 10-year follow-up. Mortality was significantly higher in elderly recipients (p = 0.001), particularly infection-related mortality (p < 0.001). In multivariable Cox regression analysis, old-toold and young-to-old groups had increased risk of mortality (adjusted hazard ratio [aHR], 2.89; 95% confidence interval [CI], 1.14– 7.32; p = 0.03; aHR, 3.06; 95% CI, 1.51–6.20; p = 0.002). However, graft failure and acute rejection risks were not increased in elderly recipients. Conclusion: In elderly recipients, graft survival and acute rejection-free survival were not inferior to those of young recipients. However, mortality, especially risk of infection-related death, was increased in elderly recipients. Thus, low immunosuppression intensity might help decrease mortality in elderly recipients.
부산지역 무균성 뇌막염 원인 바이러스의 분리 및 동정 : 1998년을 중심으로
김영희,정영기,김기순,지영미,윤재득,김병준,구평태,민상기,정구영,김만수,조경순 동의대학교 기초과학연구소 2000 基礎科學硏究論文集 Vol.10 No.1
The incidence of aseptic meningitis infection is ensuing and threatening the health of children. Enteroviruses are the major agents of aseptic meningitis and identification of virus has been a clue to diagnosis and epidemiology. The outbreak of aseptic meningitis occurred in Pusan, 1998. Patients were concentrated from April through November. Children were more susceptible than adults. Among 306 cases of specimens from stool, throat swab tested, only 7.2% were positive on virus isolation, 12 cases from stool and 10 from throat, respectively. All isolated 7 serotypes of viruses represented cytopathic effect on cultured cells. Three types of echovirus 6, 25, 30 and coxsackievirus B2, B3, B4, B6 were identified by neutralizing anti body test. Isolated coxsackievirus and echovirus were observed by an electron microscope with negative staining.
김복수,김영훈,강재필,백아영,차유정,김민경,서용문,송승기 명지대학교 자연과학연구소 2004 자연과학논문집 Vol.23 No.-
K_(2)SnCl_(6)는 antifluoride계에 속하는 결정으로서 K_(2)SnCl_(6)에 Li^(+)를 첨가하여 ^(7)Li 핵자기공명(NMR)을 측정하여 동형(isomorphic) 혼합결정(K_(1-x)Rb_(x))_(2)SnCl_(6)와 비동형(nonisomorphic) 혼합결정 K_(2)SnCl_(6):Al^(3+)에서의 핵자기공명(NMR), ^(87)Rb NMR과 ^(27)Al NMR의 측정값과 비교하였다. Rb^(+) 이온은 K_(2)SnCl_(6)의 K^(+)이온을 대신해 동형 결정을 이루며, Al^(3+)이온은 Sn^(4+)이온을 대치하면서 비동형 결정을 이루는데 Li^(+)이온 또한 K^(+)이온을 대신하는 동형 혼합결정과 유사한 결과 값을 얻을 수 있었다. 이 연구 결과는 종래의 Cl-NQR 연구 결과와 비교함으로서 K_(2)SnCl_(6)의 동력학적 특성과 구조 상전이 근처에서의 임계현상을 새로운 관점에서 볼 수 있는 가능성을 보여주었다. ^(7)Li, ^(87)Rb and ^(27)Al NMR have been investigated in the isomorphic and nonisomorphic impurity doped crystals (K_(1-x)Li_(x))_(2)SnCl_(6), (K_(1-x)Rb_(x))_(2)SnCl_(6) and K_(2)SnCl_(6):Al^(3+) as a supplementary to the previous Cl NQR studies in these crystals. The results yielded that the features of NMR spectra for both types of crystals are roughly in line with the systematic trends shown in the Cl NQR in these crystals, though the outstanding characteristics exhibited in the Cl NQR become in the case of the NMR of the doped impurities in crystals somewhat weakend. This is due to the degradation of the role of the local field from the main hamiltonian in NQR to the subsidiary in NMR. Each NMR result of the iso/nonisomorphic crystals has been analyzed in terms of the 'impurity induced dynamic lattice defects' for K_(2)SnCl_(6):Al^(3+) and the 'static primary impurity effects' for (K_(1-x)Rb_(x))_(2)SnCl_(6) and (K_(1-x)Li_(x))_(2)SnCl_(6) respectlvely.
비강내 투여된 Midazolam의 용량에 따른 진정효과의 비교연구
김영광,김용기 大韓小兒齒科學會 1996 大韓小兒齒科學會誌 Vol.23 No.1
The purpose of this study was to assess the sedative effect and physiological parameter of two doses of intranasal midazolam in sedating young children for dental treatment. Twenty-five uncooperative children, mean age of 36.6 months, who needed at least two separate restorative visits, requiring local anesthesia participated in this study. The patients randomly received either 0.2㎎/㎏ or 0.3㎎/㎏ of midazolam intranasally, with the alternate regimen administered at the second appointment. All the children were restrained in a Papoose board and were monitored with Pulse oximeter for their heart rate and oxygen saturation. Degree of alertness, crying, and movement were evaluated at the start of treatment and the subsequent seven intervals throughout the procedure. Evaluation of overall behavior at each session was performed by one investigator, blind to the dose, using a separate rating scale. The reliability of ratings was assessed by two investigators using videotapes of the procedures. Statistical analysis showed no significantly different behavior (P>.05) between children receiving the two different doses. Successful sedation, as assessed by lack of or minimal crying and/or movement that interrupted treatment, was observed in most of the treatment visits with both doses (mean score 4.48±1.58 for 0.2㎎/㎏ and 4.40±1.38 for 0.3㎎/㎏). No adverse effect was observed, and most of treatments were successfully completed without difficulties.
생활체육참여자의 여가활동 유형이 생활만족에 미치는 영향
김의영,김의영,김영숙,윤대중,이병기 龍仁大學校 體育科學硏究所 2002 體育科學硏究論叢 Vol.12 No.1
This research is designed to make a comparative analysis of the types of leisure activities and the degree of and life satisfaction by demographic background variable and to present basic materials necessary for the development of programs for local policies on leisure in accordance with the local autonomous system with a view to determining the relationship between life satisfaction by type of leisure activity. The following are the findings. First, the survey failed to test a statistically significant difference between family member's mutual satisfaction, or the subordinate variable of age, job and health and general life satisfaction, or the subordinate variable of income. But there was a statistically significant difference in life satisfaction by gender, age, education, job, income and health at a level of 1 percent. Second, the survey on the influences of the types of leisure activities on leisure satisfaction and life satisfaction revealed that there was a statistically significant influences in all the subordinate variables of and life satisfaction.
Kim, Jong Hun,Chun, Byung Chul,Song, Joon Young,Kim, Hyo Youl,Bae, In-Gyu,Kim, Dong-Min,Choi, Young Hwa,Jun, Yoon Hee,Choi, Won Suk,Kang, Seong Hee,Kwon, Hyun Hee,Jeong, Hye Won,Kee, Sae Yoon,Hur, Jia Elsevier Ltd. 2019 Vaccine Vol. No.
<P><B>Abstract</B></P> <P><B>Background</B></P> <P>While herd effects and serotype replacement by childhood pneumococcal protein conjugated vaccines (PCVs) continues to accumulate worldwide, direct effectiveness of 23-valent pneumococcal polysaccharide vaccine (PPV23) against pneumococcal diseases in the elderly has been challenged. We estimated the direct effectiveness of PPV23 in the elderly population.</P> <P><B>Methods</B></P> <P>For a hospital-based case-control study, cases of invasive pneumococcal disease (IPD) and non-bacteremic pneumococcal pneumonia (NBPP) (adults ≥ 65 years) were identified in 14 hospitals participated in the pneumococcal surveillance program from March 2013 to October 2015, following implementation of PPV23 national immunization program (NIP) for the elderly in the Republic of Korea. Controls matched by age, sex, and hospital were selected at ratios of 1:2 (IPD) or 1:1 (NBPP). Clinical data and vaccination records were collected. Vaccine effectiveness was calculated as (1-adjusted odds ratio) × 100.</P> <P><B>Results</B></P> <P>We enrolled 148 IPD and 557 NBPP cases, and 295 IPD and 557 NBPP controls for analyses. Overall effectiveness of PPV23 against IPD was 28.5% [95% confidence interval (CI) −5.8%–51.6%] and against NBPP was 10.2% (-15.1-30.6) in all patients ≥ 65 years. However, in subgroup analysis of patients aged 65–74 years, PPV23 was protective against IPD [effectiveness 57.4% (19.4–77.5)] and against NBPP [effectiveness 35.0% (2.3–56.7)]. Furthermore, serotype-specific effectiveness of PPV23 against IPD was 90.6% (27.6–98.8) for PPV23-unique serotypes and 81.3% (38.6–94.3) for PPV23 serotypes excluding serotype 3.</P> <P><B>Conclusions</B></P> <P>This study indicates that PPV23 with broad serotype coverage might be beneficial in preventing IPD and NBPP due to non-PCV13 serotypes in the young-elderly, with potentially increasing effectiveness in the setting of childhood PCV NIP.</P> <P><B>Highlights</B></P> <P> <UL> <LI> National immunization program for PPV23 for the elderly was implemented in Korea. </LI> <LI> PPV23 was effective against IPD and NBPP for young elderly patients aged 65–74. </LI> <LI> Effectiveness of PPV23 against IPD was higher for PPV23 unique serotypes. </LI> <LI> PPV23 was non-protective against IPD caused by PCV13 serotypes. </LI> </UL> </P>
개 대뇌겉질에서 Platelet-Derived Growth Factor α-Receptor의 출생 후 발달에 관한 면역조직화학적 연구
윤영,안병수,김인정,양경철,박선홍,김기훈,박도영,김장만,문정석,장인엽,조하영 조선대학교 부설 의학연구소 2002 The Medical Journal of Chosun University Vol.27 No.1
Background and Objectives : The localization of platelet-derived growth factor-α receptor (PDGF-α R) was commonly restricted to oligodendrocyte progenitors during late embryonic and postnatal development. However, several studies recently demonstrated that mature neurons could also synthesize PDGF-α, Materials and Methods : In the present study, to analyze the distributional pattern of PDGF-αR during postnatal development of the canine cerebral cortex, we used immunohistochemistry on sections of canine brain tissue. Results : We found that neurons of various regions of cerebral cortex exhibited the immunoreactivity to PDGF-αR as early as postnatal day 0, and slightly decreased after postnatal day 14. Whereas neuronal PDGF-αR were maintained at all ages, the oligodendroglia-like expression of PDGF-αR could not be confirmed. Conclusion : The localization of PDGF-αR in immature and mature neurons supports the several roles of PDGF during development, protection and survival of neurons.