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Start Over Author "Lin, Chun-An" Journal renal failure
31 results on '"Lin, Chun-An"'

30. Educational Intervention in CKD Retards Disease Progression and Reduces Medical Costs for Patients with Stage 5 CKD.

Author

Lei, Chen-Chou, Lee, Pei-Hsien, Hsu, Yung-Chien, Chang, Hung-Yu, Tung, Chun-Wu, Shih, Ya-Hsueh, and Lin, Chun-Liang

Subjects
KIDNEY disease treatments, EDUCATIONAL intervention, DISEASE progression, MEDICAL care costs, DISEASE incidence, NEPHROLOGISTS, MEDICAL statistics
Abstract

Background: Nephrologist-based multidisciplinary care (MDC) has a positive impact on slowing chronic kidney disease (CKD) progression. However, the benefits of MDC in patients with stage 5 CKD remain unclear. Methods: Stage 5 CKD patients who visited the Chang Gung Memorial Hospital, Chiayi, Taiwan during the period of 2002-2008 were enrolled. The incident dialysis and medical cost were compared between MDC recipients and nonrecipients. The MDC recipients were divided into two groups by educational duration to observe the clinical renal outcome and medical care expenses. The effect of MDC on renal disease progression was also compared in MDC recipients with and without diabetes. Results: Out of 307 patients, 171 received MDC. For MDC recipients, the temporary usage of catheter was reduced (54.7% vs. 79.4%, p < 0.001), the hospital stay was shorter (18.64 ± 1.20 vs. 24.63 ± 1.22 months, p = 0.001), and the total medical cost was lower [New Taiwan dollars (NTD) 105,948.54 ± 9,967.22 vs. NTD 160,388.61 ± 16,373.97, p = 0.005] than for nonrecipients. Out of the 171 MDC recipients, those with MDC for more than 1 year had slower renal disease progression (0.76 ± 0.27 mL/min per 1.73 m2 per year) and had an estimated per- capita annual cost savings of about NTD 336,500.66. MDC recipients with diabetes had a higher risk of requiring dialysis than those without diabetes. Conclusions: MDC could significantly reduce temporary use of the catheter, hospital stay, and total medical costs in patients with stage 5 CKD. Furthermore, longer (>1 year) MDC could preserve renal function and deliver annual medical cost savings. [ABSTRACT FROM AUTHOR]

Published
2013
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31. Ras Activation Modulates Methylglyoxal-Induced Mesangial Cell Apoptosis Through Superoxide Production.

Author

Huang, Wei Jan, Tung, Chun Wu, Ho, Cheng, Yang, Jen Tsung, Chen, Min Li, Chang, Pey Jium, Lee, Pei Hsien, Lin, Chun Liang, and Wang, Jeng Yi

Subjects
KIDNEY diseases, GLUCOSE, APOPTOSIS, SUPEROXIDE dismutase, CELLS
Abstract

Aims. While previous studies have demonstrated that diabetic nephropathy is attributable to glucose-derived dicarbonyl compounds, methylglyoxal (MGO)-inducing apoptosis in renal mesangial cells, the molecular mechanism of upper stream redox signaling modulation, has not been fully elucidated. Methods: Rat mesangial cells pretreated with or without superoxide dismutase, diphenyloniodium, SB203580, and manumycin A were cultured in methylglyoxal stress-induced apoptosis. Signaling protein expression, flow cytometry, and morphological features of apoptotic cell death were assessed. Results: Methylglyoxal decreased cell viability in mesangial cells. Superoxide mediated methylglyoxal-induced caspase 3 cleavage. Pretreatment with diphenyloniodium, SB203580, and manumycin A reduced methylglyoxal augmentation of superoxide synthesis and caspase-3 activation. Methylglyoxal rapidly enhanced Ras activation and progressively increased cytosolic P38 and nuclear c-Jun activation. Scavenging of superoxide by superoxide dismutase or diphenyloniodium, inhibiting P38 by SB203580, and inhibiting Ras with manumycin A successfully reduced the promoting effect of methylglyoxal on P38 and c-Jun phosphorylation (activation). Furthermore, pretreatment with superoxide dismutase, diphenyloniodium, SB203580, and manumycin A significantly attenuated methylglyoxal induction of apoptosis on the basis of Annexin-V assay and terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate-biotin nick end-labelling (TUNEL) staining. Conclusions. This study has shown that methylglyoxal increased Ras modulation of superoxide-mediated P38 activation and c-Jun activation, which resulted in increased apoptosis. [ABSTRACT FROM AUTHOR]

Published
2007
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