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Biocompatible Peritoneal Dialysis Solution Preserves Residual Renal Function
Kim, Sejoong,Oh, Kook-Hwan,Oh, Jieun,Kim, Soo Jin,Chung, Wookyung,Song, Young Rim,Na, Ki Young,Oh, Yun Kyu,Ahn, Curie,Kim, Sung Gyun,Tan, Kathryn C.B. S. Karger AG 2012 American journal of nephrology Vol.36 No.4
<P>Abstract</P><P><B><I>Background/Aims:</I></B> The long-term effects of biocompatible peritoneal dialysis (PD) solution on residual renal function (RRF), inflammation, adipokines and metabolic acidosis are controversial. We evaluated the effects of biocompatible PD solution in continuous ambulatory PD (CAPD) patients for an additional 12-month period. <B><I>Method:</I></B> Among 91 incident patients who started CAPD with either biocompatible PD solution (Balance®, Fresenius; LS, n = 48) or conventional PD solution (CAPD/DPCA®, Fresenius; CS, n = 43), 63 patients, who were followed for 12 months, were enrolled and followed for an additional 12 months. <B><I>Results:</I></B> After 24 months of treatment, the glomerular filtration rate (GFR) of the LS group was twofold higher compared to the CS group (33.5 ± 30.7 vs. 16.3 ± 17.9 l/week/1.73 m<SUP>2</SUP>, respectively, p <I>= </I>0.021). In a subgroup of patients with an initial GFR >2 ml/min/1.73 m<SUP>2</SUP>, the GFR of the LS group was significantly higher than the rate of the CS group after 24 months (43.7 ± 30.5 vs. 18.6 ± 19.0 l/week/1.73 m<SUP>2</SUP>, respectively, p = 0.042). Over a 24-month period, effluent cancer antigen-125 levels were significantly increased in the LS group compared to the CS group, while effluent interleukin-6 levels did not differ between the two groups. The serum tCO<SUB>2</SUB> levels were consistently higher in the LS group compared to the CS group. <B><I>Conclusions:</I></B> We found that the effect of LS on preserving RRF may be maintained over a 24-month treatment period in CAPD patients, and LS use may have other benefits, such as the correction of metabolic acidosis.</P><P>Copyright © 2012 S. Karger AG, Basel</P>
각막절개 위치와 크기에 따른 난시교정인공수정체의 난시교정의 정확성
박우경(Wookyung Park),김만수(Man Soo Kim),김은철(Eun Chul Kim) 대한안과학회 2019 대한안과학회지 Vol.60 No.2
목적: 각막절개 방법에 따른 난시교정인공수정체 삽입 후의 잔여난시를 비교하여 그 방법에 따른 정확성을 비교하였다. 대상과방법: 2014년 1월부터 2017년 3월까지 수정체초음파유화술 및 난시교정인공수정체삽입수술을 받은 98명의 환자, 98안을 대상 으로 후향적 연구를 하였다. 각막절개창은 모두 가파른 난시 축에 내었고, 각막 상측에 절개창을 낸 직난시 군을 1군(n=54), 각막의 이측에 절개창을 낸 도난시 군을 2군(n=44)으로 나누었다. 각 군에서 2.75 mm 블레이드를 이용하여 절개창을 낸 군(소그룹 1)과 2.2 mm 블레이드를 사용한 군(소그룹 2)의 두 소집단으로 나누었다. 수술 전 굴절률 및 자동각막곡률을 측정하였고, 술 후 잔여난시값과 난시값의 감소량을 계산하였다. 결과: 술 후 나안시력, 최대교정시력, 굴절난시, 각막난시는 두 군 모두 유의한 호전을 보였다. 각막난시값 감소량은 1군과(0.38 ± 0.30D), 2군에서(0.48 ± 0.38D) 유의한 차이를 보이지 않았다(p=0.244).술 후 잔여난시는 두 군 간 유의한 차이는 없었다. 1군과 2군 모두 2.75 mm 각막절개(각각 0.46 ± 0.31D, 0.61 ± 0.36D)는 2.2 mm (각각 0.25 ± 0.25D, 0.23 ± 0.29D)에 비해 각막난시값 감소량이 유의하게 많았다. 결론: 난시교정인공수정체 삽입 시 각막절개의 위치와 크기에 따른 난시 유발의 크기를 정확하게 적용하여 계산하면 술 후 난시를 정확하게 예측할 수 있을 것으로 사료된다. Purpose: To assess the accuracy of toric intraocular lens (IOL) implantation by the location and size of the corneal incision. Methods: We retrospectively reviewed the medical records of 98 patients (98 eyes) who underwent phacoemulsification with toric IOL implantation from January 2014 to March 2017. The patients were divided into two groups: group 1 got an incision of the superior side of the cornea (n = 54) and group 2 received an incision on the temporal side of the eye (n = 44). For both groups, incisions were made at their steep corneal astigmatism axises. Each group was further divided into subgroups for whom different sized blades were employed (2.75 vs. 2.2 mm widths). We measured the refractive index and autokeratometric parameters. We postoperatively assessed residual astigmatism and any reduction thereof. Results: In both groups, uncorrected and best-corrected visual acuity, refraction cylinder astigmatism, and autokeratometric astigmatism improved statistically. Between two groups, corneal astigmatism decrease was not significant. Residual astigmatism also showed no significant differences between the two. Patients in both groups treated using 2.75 mm wide blades exhibited greater increases in corneal astigmatism. Conclusions: During cataract surgery, precise correction of astigmatism via toric IOL implantation is possible when surgically induced astigmatism is minimized by careful choice of the location and size of the corneal incision.
( Hyunsook Kim ),( Ae Jin Kim ),( Han Ro ),( Jae Hyun Chang ),( Hyun Hee Lee ),( Wookyung Chung ),( Ji Yong Jung ) 대한신장학회 2023 Kidney Research and Clinical Practice Vol.42 No.2
Background: T<sub>50</sub> is a novel serum-based marker that assesses the propensity for calcification in serum. A shorter T<sub>50</sub> indicates a greater propensity to calcify and has been associated with cardiovascular disease and mortality among patients with chronic kidney disease. The factors associated with T<sub>50</sub> and the correlation between T<sub>50</sub> and bone mineral density (BMD) are unknown in hemodialysis (HD) patients. Methods: This cross-sectional study included 184 patients undergoing HD. Individuals were grouped into tertiles of T<sub>50</sub> to compare the demographic and disease indicators of the tertiles. Linear regression was used to evaluate the association between T<sub>50</sub> and hip and spinal BMD in a multivariate model. Results: Mineral and inflammatory parameters, including serum phosphate (r = -0.156, p = 0.04), albumin (r = 0.289, p < 0.001), and high-sensitivity C-reactive protein (r = -0.224, p = 0.003) levels, were associated with T<sub>50</sub>. We found a weak association between T<sub>50</sub> and BMD in the total hip area in the unadjusted model (β = 0.030, p = 0.04) but did not find a statistically significant association with the total hip (β = 0.017, p = 0.12), femoral neck (β = -0.001, p = 0.96), or spinal BMD (β = 0.019, p = 0.33) in multivariable-adjusted models. Conclusion: T<sub>50</sub> was moderately associated with mineral and inflammatory parameters but did not conclusively establish an association with BMD in HD patients. Broad-scale future studies should determine whether T<sub>50</sub> can provide insights into BMD beyond traditional risk factors in this population.
오피스빌딩 내 상업시설의 임대료 결정요인에 관한 연구 -위계선형모형의 활용-
김기준 ( Kim Kijun ),김우경 ( Kim Wookyung ),문형준 ( Moon Hyoungjoon ),신종칠 ( Shin Jongchil ) 한국부동산분석학회 2018 不動産學硏究 Vol.24 No.3
The commercial facility is one of the important amenity facilities in office building. Recently, office building owners and managers are eager to enhance income stream from their commercial facilities by strengthening shopping and restaurant tenants. Since the retail potential commercial facilities in office buildings are influenced by the office building characteristics, trade area characteristics around office building, and so on, management strategies of commercial facilities could be different from office building to office building. Despite of these changes, there is little research on commercial facility in academic society. For these reasons, this study aims to examine the rent determinants of retail stores in commercial facilities. This study categorizes influencing factors into character of the office building, trade area, management, individual store. For empirical research, we analyze the rents of 393 retail stores at 38 commercial facilities of office buildings in Seoul. This study uses the hierarchical linear model to consider the effects of hierarchical influencing factors on rents including both office building level and individual store level. The results of the empirical analysis are as follows. Firstly, this study confirms office building characteristics including gross leasable area and building owner type, have considerable influence on store rents in the commercial facility. Secondly, this study finds trade area characteristics such as distance to subway station, road width, and pedestrian traffics around office building, have significant effects on store rents. Thirdly, this study discovers management characteristics such as the number of floors the commercial facilities occupy and management decision to operate commercial facility as an independent shopping mall, affect store rents in the commercial facility. Finally, this study shows the individual store characteristics such as store size, floor level that the store locates, whether the store has access to main pedestrian movement in the commercial facility, whether the store has signage outside of office building, and categories of tenant business, significantly influence on store rents.