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Shin, A,Shin, H R,Kang, D,Park, S K,Kim, C-S,Yoo, K-Y Nature Publishing Group 2005 The British journal of cancer Vol.92 No.7
<P>In a nested case–control study of 86 cases of gastric adenocarcinoma in relation to <I>Helicobactor pylori</I> infection in the Korean Multi-center Cancer Cohort, the <I>H. pylori</I> IgG seropositivity was 83.7% and that of the 344 matched controls was 80.8%, with a matched odds ratio for <I>H. pylori</I> infection of 1.06 (95% CI, 0.80–1.40).</P>
( Shina Lee ),( Jung Hwa Ryu ),( Hee Sung Go ),( Seung Jung Kim ),( Duk Hee Kang ),( Dong Ryeol Ryu ),( Kyu Bok Choi ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Hyperphosphatemia is important problem because of its affect on endothelial dysfunction as well as homeostasis of bone. Chronic kidney disease(CKD) patients tend to have higher serum phosphorus values than those in healthy population due to their positive balance of phosphorus in kidney. There are a few studies which reported that serum phosphorus level was correlated with endothelial function. Recently it has been reported the patients with higher serum phosphorus level revealed the more endothelial dysfunction in healthy population. Thus, the following study was carried out in an effort to redefi ne the relationship between serum phosphorus level and endothelial dysfunction to those on chronic kidney disease. Methods: This is a cross-sectional study and the enrolled 79 CKD patients with exception of CKD stage 5 or receiving renal replacement therapy. They were subjected to the measurement with iontophoresis, and endoPAT, ankle brachial index, which represented endothelial function assessment. And also the average serum phosphrous level in patients was measured for the last three months including examination month. The Pearson`s correlation coeffi cient analysis was performed to defi ne the association of serum phosphorus and endothelial function. Results: When participants were divided into four groups according to estimated GFR, serum phosphorus level had signifi cant higher values in CKD stage 4. From univariate analysis, higher phosphorus level was associated with better endoPAT values(r=0.296, p=0.008). Multivariate analysis adjusted by PTH, TG showed significant correlation between the serum phophorus level and endoPAT. Conclusions: This study showed that serum phosphorus level may associate with endothelial function even in CKD. Furthermore, it is required a prospective study of larger population to identify the relationship between phosphorus and endothelial function and to establish optimal reference range of phosphorus level for protection from endothelial dysfunction.
Shinae Jang,Hongki Jo,조수진,Kirill Mechitov,Jennifer A. Rice,심성한,정형조,윤정방,Billie F. Spencer, Jr.,Gul Agha 국제구조공학회 2010 Smart Structures and Systems, An International Jou Vol.6 No.5
Structural health monitoring (SHM) of civil infrastructure using wireless smart sensor networks (WSSNs) has received significant public attention in recent years. The benefits of WSSNs are that they are low-cost, easy to install, and provide effective data management via on-board computation. This paper reports on the deployment and evaluation of a state-of-the-art WSSN on the new Jindo Bridge, a cable-stayed bridge in South Korea with a 344-m main span and two 70-m side spans. The central components of the WSSN deployment are the Imote2 smart sensor platforms, a custom-designed multimetric sensor boards, base stations, and software provided by the Illinois Structural Health Monitoring Project (ISHMP) Services Toolsuite. In total, 70 sensor nodes and two base stations have been deployed to monitor the bridge using an autonomous SHM application with excessive wind and vibration triggering the system to initiate monitoring. Additionally, the performance of the system is evaluated in terms of hardware durability, software stability, power consumption and energy harvesting capabilities. The Jindo Bridge SHM system constitutes the largest deployment of wireless smart sensors for civil infrastructure monitoring to date. This deployment demonstrates the strong potential of WSSNs for monitoring of large scale civil infrastructure.
Shinae Yu,Hee Jae Huh,Kyo Won Lee,Jae Berm Park,Sung Joo Kim,Wooseong Huh,Hye Ryoun Jang,Ghee Young Kwon,Hyung Hwan Moon,Eun-Suk Kang 대한진단검사의학회 2020 Annals of Laboratory Medicine Vol.40 No.5
Background: Non-HLA antibodies, anti-angiotensin II type 1 receptor antibodies (anti-AT1R) and anti-endothelial cell antibodies (AECA), are known to play a role in allograft rejection. We evaluated the role of both antibodies in predicting post-transplant outcomes in low-risk living donor kidney transplantation (LDKT) recipients. Methods: In 94 consecutive LDKT recipients who were ABO compatible and negative for pre-transplant HLA donor-specific antibodies, we determined the levels of anti-AT1Rs using an enzyme-linked immunosorbent assay and the presence of AECAs using a flow cytometric endothelial cell crossmatch (ECXM) assay with pre-transplant sera. Hazard ratio (HR) was calculated to predict post-transplant outcomes. Results: Pre-transplant anti-AT1Rs (≥11.5 U/mL) and AECAs were observed in 36 (38.3%) and 22 recipients (23.4%), respectively; 11 recipients had both. Pre-transplant anti-AT1Rs were a significant risk factor for the development of acute rejection (AR) (HR 2.09; P=0.018), while a positive AECA status was associated with AR or microvascular inflammation only (HR 2.47; P=0.004) throughout the follow-up period. In particular, AECA (+) recipients with ≥11.5 U/mL anti-AT1Rs exhibited a significant effect on creatinine and estimated glomerular filtration rate (P<0.001; P=0.028), although the risk of AR was not significant. Conclusions: Pre-transplant anti-AT1Rs and AECAs have independent negative effects on post-transplant outcomes in low-risk LDKT recipients. Assessment of both antibodies would be helpful in stratifying the pre-transplant immunological risk, even in low-risk LDKT recipients.
Technique failure in Korean incident peritoneal dialysis patients: a national population-based study
( Shina Lee ),( Hyunwook Kim ),( Kyoung Hoon Kim ),( Hoo Jae Hann ),( Hyeong Sik Ahn ),( Seung-jung Kim ),( Duk-hee Kang ),( Kyu Bok Choi ),( Dong-ryeol Ryu ) 대한신장학회 2016 Kidney Research and Clinical Practice Vol.35 No.4
Background: Technique failure is an important issue for peritoneal dialysis (PD) patients. In this study, we aimed to analyze technique failure rate in detail and to determine the predictors for technique failure in Korea. Methods: We identified all patients who had started dialysis between January 1, 2005, and December 31, 2008, in Korea, using the Korean Health Insurance Review and Assessment Service database. A total of 7,614 PD patients were included, and the median follow-up was 24.9 months. Results: The crude incidence rates of technique failure in PD patients were 54.1 per 1,000 patient-years. The cumulative 1-, 2-, and 3-year technique failure rates of PD patients were 4.9%, 10.3%, and 15.6%, respectively. However, those technique failure rates by Kaplan-Meier analysis were overestimated compared with the values by competing risks analysis, and the differences increased with the follow-up period. In multivariate analyses, diabetes mellitus and Medical Aid as a crude reflection of low socioeconomic status were independent risk factors in both the Cox proportional hazard model and Fine and Gray subdistribution model. In addition, cancer was independently associated with a lower risk of technique failure in the Fine and Gray model. Conclusion: Technique failure was a major concern in patients initiating PD in Korea, especially in diabetic patients and Medical Aid beneficiaries. The results of our study offer a basis for risk stratification for technique failure. Copyright ⓒ 2016. The Korean Society of Nephrology. Published by Elsevier. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).