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10.1053/j.ajkd.2014.05.009 http://scihub22266oqcxt.onion/10.1053/j.ajkd.2014.05.009 C4177317!4177317 !24953890     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\24953890 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Am+J+Kidney+Dis 2014 ; 64 (4 ): 542-9 Nephropedia Template TP {{tp|p=24953890 |t=2014. Serum bicarbonate concentrations and kidney disease progression in community-living elders: the Health, Aging, and Body Composition (Health ABC) Study |pdf=|usr=}}{{24953890 }} gab.com Text Serum bicarbonate concentrations and kidney disease progression in community-living elders: the Health, Aging, and Body Composition (Health ABC) Study JO: Am J Kidney Dis http://www.kidney.de/pget.php?&tw=1&pmid=24953890 #FOAvip BACKGROUND: In populations with prevalent chronic kidney disease (CKD), lower serum bicarbonate levels are associated with more rapid CKD progression, but whether lower bicarbonate levels also are associated with risk of incident estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m(2) and CKD progression among community-living persons with predominantly preserved kidney function is unknown. STUDY DESIGN: Longitudinal observational cohort study. SETTING & PARTICIPANTS: Well-functioning community-living elders aged 70-79 years at inception. PREDICTOR: Serum bicarbonate level measured at the time of collection by arterialized venous blood sample using an arterial blood gas analyzer. OUTCOMES: Change in eGFR over 7 years, and new eGFR < 60 mL/min/1.73 m(2) with a rate of loss of at least 1 mL/min/1.73 m(2) per year. MEASUREMENTS: Linear and logistic regressions were used to evaluate associations of baseline serum bicarbonate level with change in eGFR and incident eGFR < 60 mL/min/1.73 m(2). RESULTS: At baseline, mean eGFR was 84 ± 16 (SD)mL/min/1.73 m(2), and serum bicarbonate level was 25.2 ± 1.9 mmol/L. Compared with participants with higher bicarbonate concentrations (23.0-28.0 mmol/L), those with bicarbonate concentrations < 23 mmol/L (n = 85 [8%]) lost eGFR0.55 (95% CI, 0.13-0.97) mL/min/1.73 m(2) per year faster in models adjusted for demographics, CKD risk factors, baseline eGFR, and urine albumin-creatinine ratio. Among the 989 (92%) participants with baseline eGFRs > 60 mL/min/1.73 m(2), 252 (25%) developed incident eGFRs < 60 mL/min/1.73 m(2) at follow-up. Adjusting for the same covariates, participants with bicarbonate concentrations < 23 mmol/L had nearly 2-fold greater odds of incident eGFRs < 60 mL/min/1.73 m(2) (OR, 1.72; 95% CI, 0.97-3.07) compared with those with higher bicarbonate concentrations. LIMITATIONS: Only 2 measurements of kidney function separated by 7 years and loss to follow-up due to intervening mortality in this elderly population. CONCLUSIONS: Lower serum bicarbonate concentrations are associated independently with decline in eGFR and incident eGFR < 60 mL/min/1.73 m(2) in community-living older persons. If confirmed, serum bicarbonate levels may give insight into kidney tubule health in persons with preserved eGFRs and suggest a possible new target for intervention to prevent CKD development. Twit Text FOAVip Serum bicarbonate concentrations and kidney disease progression in community-living elders: the Health, Aging, and Body Composition (Health ABC) Study ????Am J Kidney Dis http://www.kidney.de/pget.php?&tw=1&pmid=24953890 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=24953890 #FOAvip English Wikipedia <ref>{{Cite pmid|24953890 }}</ref> Serum bicarbonate concentrations and kidney disease progression in community-living elders: the Health, Aging, and Body Composition (Health ABC) Study #MMPMID24953890 Goldenstein L ; Driver TH ; Fried LF ; Rifkin DE ; Patel KV ; Yenchek RH ; Harris TB ; Kritchevsky SB ; Newman AB ; Sarnak MJ ; Shlipak MG ; Ix JH Am J Kidney Dis 2014[Oct]; 64 (4 ): 542-9 PMID24953890 show ga BACKGROUND: In populations with prevalent chronic kidney disease (CKD), lower serum bicarbonate levels are associated with more rapid CKD progression, but whether lower bicarbonate levels also are associated with risk of incident estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m(2) and CKD progression among community-living persons with predominantly preserved kidney function is unknown. STUDY DESIGN: Longitudinal observational cohort study. SETTING & PARTICIPANTS: Well-functioning community-living elders aged 70-79 years at inception. PREDICTOR: Serum bicarbonate level measured at the time of collection by arterialized venous blood sample using an arterial blood gas analyzer. OUTCOMES: Change in eGFR over 7 years, and new eGFR < 60 mL/min/1.73 m(2) with a rate of loss of at least 1 mL/min/1.73 m(2) per year. MEASUREMENTS: Linear and logistic regressions were used to evaluate associations of baseline serum bicarbonate level with change in eGFR and incident eGFR < 60 mL/min/1.73 m(2). RESULTS: At baseline, mean eGFR was 84 ± 16 (SD)mL/min/1.73 m(2), and serum bicarbonate level was 25.2 ± 1.9 mmol/L. Compared with participants with higher bicarbonate concentrations (23.0-28.0 mmol/L), those with bicarbonate concentrations < 23 mmol/L (n = 85 [8%]) lost eGFR0.55 (95% CI, 0.13-0.97) mL/min/1.73 m(2) per year faster in models adjusted for demographics, CKD risk factors, baseline eGFR, and urine albumin-creatinine ratio. Among the 989 (92%) participants with baseline eGFRs > 60 mL/min/1.73 m(2), 252 (25%) developed incident eGFRs < 60 mL/min/1.73 m(2) at follow-up. Adjusting for the same covariates, participants with bicarbonate concentrations < 23 mmol/L had nearly 2-fold greater odds of incident eGFRs < 60 mL/min/1.73 m(2) (OR, 1.72; 95% CI, 0.97-3.07) compared with those with higher bicarbonate concentrations. LIMITATIONS: Only 2 measurements of kidney function separated by 7 years and loss to follow-up due to intervening mortality in this elderly population. CONCLUSIONS: Lower serum bicarbonate concentrations are associated independently with decline in eGFR and incident eGFR < 60 mL/min/1.73 m(2) in community-living older persons. If confirmed, serum bicarbonate levels may give insight into kidney tubule health in persons with preserved eGFRs and suggest a possible new target for intervention to prevent CKD development. |*Renal Insufficiency, Chronic/diagnosis/epidemiology/metabolism/physiopathology [MESH] |Acid-Base Imbalance/metabolism [MESH] |Aged [MESH] |Albumins/analysis [MESH] |Bicarbonates/*blood [MESH] |Creatinine/analysis [MESH] |Disease Progression [MESH] |Female [MESH] |Follow-Up Studies [MESH] |Glomerular Filtration Rate [MESH] |Humans [MESH] |Independent Living [MESH] |Kidney Function Tests/methods [MESH] |Logistic Models [MESH] |Male [MESH] |Outcome Assessment, Health Care [MESH] |Risk Factors [MESH]Serum bicarbonate concentrations and kidney disease progression in c(epmc).pdf DeepDyve Pubget Overpricing