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Hypertension in patients with CKD in China: clinical characteristics and management

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《医学前沿（英文）》 2017年第11卷第3期页码 307-309 doi: 10.1007/s11684-017-0578-8

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Associations of sleeping patterns and isotemporal substitution of other behavior with the prevalence of CKD

《医学前沿（英文）》 doi: 10.1007/s11684-023-1019-5

摘要： Studies have found a U-shaped relationship between sleep duration and chronic kidney disease (CKD) risk, but limited research evaluated the association of reallocating excessive sleep to other behavior with CKD. We included 104 538 participants from the nationwide cohort of the Risk Evaluation of Cancers in Chinese Diabetic Individuals: A Longitudinal Study, with self-reported time of daily-life behavior. Using isotemporal substitution models, we found that substituting 1 h of sleeping with sitting, walking, or moderate-to-vigorous physical activity was associated with a lower CKD prevalence. Leisure-time physical activity displacement was associated with a greater prevalence reduction than occupational physical activity in working population. In stratified analysis, a lower CKD prevalence related to substitution toward physical activity was found in long sleepers. More pronounced correlations were observed in long sleepers with diabetes than in those with prediabetes, and they benefited from other behavior substitutions toward a more active way. The U-shaped association between sleep duration and CKD prevalence implied the potential effects of insufficient and excessive sleep on the kidneys, in which the pernicious link with oversleep could be reversed by time reallocation to physical activity. The divergence in the predicted effect on CKD following time reallocation to behavior of different domains and intensities and in subpopulations with diverse metabolic statuses underlined the importance of optimizing sleeping patterns and adjusting integral behavioral composition.

关键词： sleep physical activity chronic kidney disease isotemporal substitution behavioral pattern

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Effect of renal function and hemodialysis on the serum tumor markers in patients with chronic kidney disease

YU Xiaofang, XU Xialian, YE Zhibin

《医学前沿（英文）》 2007年第1卷第3期页码 308-311 doi: 10.1007/s11684-007-0059-6

摘要： In patients with chronic renal failure, whether they have had hemodialysis or not, the specificity of some of the serum tumor markers for the diagnosis of the corresponding tumors is decreased while others remain as valuable as they are in patients with normal kidney function. The detection of tumor markers is extensively used for the diagnosis of corresponding tumors. It has been recently shown that some tumor markers are higher in patients with chronic kidney disease (CKD) than in the normal population. The effects of renal function and hemodialysis were examined on serum levels of some of the tumor markers including CEA, CA, CA, AFP, CA, CA, CYFRA, NSE, SCC-Ag, PSA, and fPSA. The 232 non-dialysis patients with CKD and 37 chronic uremic patients treated with maintenance hemodialysis were enrolled in this study. The 232 non-dialysis patients were divided into three groups according to their Ccr. In group 1, Ccr was ≤25 mL/min. In group 2, Ccr was between 25 and 50 mL/min. In group 3, Ccr was ≥50 mL/min. The male patients were also divided into three groups to compare the serum levels of PSA and fPSA among the three groups. Nine tumor markers in 37 uremic patients were tested. For comparison, 37 non-dialysis patients with similar Ccr of the same age and gender served as controls. There existed significant differences in serum levels of CEA, CA, CYFRA, NSE, and SCC-Ag among different Ccr groups and the markers bore a negative correlation with Ccr. There were no significant differences among the three groups in the serum concentrations of CA, AFP, CA, CA, PSA and fPSA. The serum levels of CA and NSE were significantly higher (199, CYFRA, NSE, CA and SCC-Ag for the diagnosis of the corresponding tumors was decreased while serum AFP, CA, CA, PSA and fPSA were as valuable as they were in patients with normal kidney function. Hemodialysis further increased the serum level of CA and NSE.

关键词： CKD non-dialysis valuable detection chronic