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bicarbonate oral nutritional renal

Antonio Bellasi, Lucia Di Micco, Domenico Santoro, Stefania Marzocco, Emanuele De Simone, Mario Cozzolino, Luca Di Lullo, Pasquale Guastaferro, Biagio Di Iorio
BACKGROUND: Correction of metabolic acidosis (MA) with nutritional therapy or bicarbonate administration is widely used in chronic kidney disease (CKD) patients. However, it is unknown whether these interventions reduce insulin resistance (IR) in diabetic patients with CKD. We sought to evaluate the effect of MA correction on endogenous insulin action in diabetic type 2 (DM2) CKD patients. METHODS: A total of 145 CKD subjects (83 men e 62 women) with DM2 treated with oral antidiabetic drugs were included in the study and followed up to 1 year...
October 22, 2016: BMC Nephrology
Bancha Satirapoj, Janjira Prapakorn, Dollapas Punpanich, Chantima Pongsuparbchon, Ouppatham Supasyndh
BACKGROUND: Malnutrition is one common adverse consequence in patients with advanced chronic kidney disease (CKD), and most patients have a lower-than-normal dietary energy intake. The present study was undertaken to examine whether orally administered ONCE Renal formula (ORF) supplement would improve energy intake without minerals and electrolytes disturbances in predialysis patients with CKD. METHODS: All eligible nondiabetic patients with CKD received ORF supplement for 1 week...
2016: International Journal of Nephrology and Renovascular Disease
Jiwon Jeong, Soon Kil Kwon, Hye-Young Kim
Current practice guidelines recommend alkali therapy in patients with chronic kidney disease (CKD) and metabolic acidosis to prevent complications. This study aims to investigate the effect of oral sodium bicarbonate supplementation on the progression of renal function and nutritional indices in patients with predialysis advanced CKD. Forty patients with predialysis stage 5 CKD(estimated glomerular filtration rate, eGFR <15mL/min per 1.73m(2)) and 40 patients with stage 4 CKD (eGFR 15 to 30mL/min per 1.73m(2)) who had a total CO2 less than 22mEq/L were assigned into the bicarbonate treatment group or control group for 12 months...
December 2014: Electrolyte & Blood Pressure: E & BP
Sinee Disthabanchong, Akarapong Treeruttanawanich
BACKGROUND/AIMS: metabolic acidosis (MA) in chronic kidney disease (CKD) associates with protein energy malnutrition, osteoporosis, abnormal endocrine function and increased mortality. Oral sodium bicarbonate has been shown to improve nutritional status and preserve renal function in CKD. Depressed thyroid function has been described in CKD and was believed to be related to MA. This is a prospective randomized study that examined the effect of oral sodium bicarbonate on thyroid function in predialysis CKD with MA...
2010: American Journal of Nephrology
Ione de Brito-Ashurst, Mira Varagunam, Martin J Raftery, Muhammad M Yaqoob
Bicarbonate supplementation preserves renal function in experimental chronic kidney disease (CKD), but whether the same benefit occurs in humans is unknown. Here, we randomly assigned 134 adult patients with CKD (creatinine clearance [CrCl] 15 to 30 ml/min per 1.73 m(2)) and serum bicarbonate 16 to 20 mmol/L to either supplementation with oral sodium bicarbonate or standard care for 2 yr. The primary end points were rate of CrCl decline, the proportion of patients with rapid decline of CrCl (>3 ml/min per 1...
September 2009: Journal of the American Society of Nephrology: JASN
Fabio Ruggieri, Giuseppe Caso, Marlene Wegmann, Margaret A McNurlan, Christoph Wahl, Reinhard Imoberdorf, Peter J Garlick, Peter E Ballmer
BACKGROUND: Although the mechanism of muscle wasting in end-stage renal disease is not fully understood, there is increasing evidence that acidosis induces muscle protein degradation and could therefore contribute to the loss of muscle protein stores of patients on hemodialysis, a prototypical state of chronic metabolic acidosis (CMA). Because body protein mass is controlled by the balance between synthesis and degradation, protein loss can occur as result of either increased breakdown, impaired synthesis, or both...
2009: Nephron. Clinical Practice
Ezio Movilli, Battista Fabio Viola, Corrado Camerini, Giuseppe Mazzola, Giovanni C Cancarini
BACKGROUND: The effect of the correction of metabolic acidosis (MA) on serum albumin concentrations (sAlbs) in hemodialysis (HD) patients is controversial. This study evaluated the role of the correction of MA on sAlb concentrations, normalized protein catabolic rate (nPCR), and the effect of the concomitant inflammatory status, in a group of acidotic HD patients. METHODS: The correction of MA by oral supplementation with sodium bicarbonate, and the evaluation of its effect on sAlb, nPCR, and high-sensitivity C-reactive protein (hsCRP), were performed in 29 patients on bicarbonate dialysis for a median of 30 months...
March 2009: Journal of Renal Nutrition
Maurizio Bossola, Stefania Giungi, Luigi Tazza, Giovanna Luciani
Metabolic acidosis, a frequent event in hemodialysis patients, has been implicated as a potential cause of protein-energy malnutrition. Unfortunately, correction of metabolic acidosis by means of high bicarbonate concentration in the dialysate does not seem to lead to significant changes in nutritional parameters. The project was a single-arm, open-label, 12-month pilot study at a university-based tertiary care center aimed at evaluating whether correction of metabolic acidosis through long-term oral sodium bicarbonate supplementation improves serum albumin levels and other nutritional parameters in patients undergoing maintenance hemodialysis...
2007: Nephron. Clinical Practice
P Roderick, N S Willis, S Blakeley, C Jones, C Tomson
BACKGROUND: Metabolic acidosis is a feature of chronic kidney disease (CKD) due to the reduced capacity of the kidney to synthesise ammonia and excrete hydrogen ions. It has adverse consequences on protein and muscle metabolism, bone turnover and the development of renal osteodystrophy. Metabolic acidosis may be corrected by oral bicarbonate supplementation or in dialysis patients by increasing the bicarbonate concentration in dialysate fluid. OBJECTIVES: To examine the benefits and harms of treating metabolic acidosis in patients with CKD, both prior to reaching end-stage renal disease (ESRD) or whilst on renal replacement therapy (RRT), with sodium bicarbonate or increasing the bicarbonate concentration of dialysate...
2007: Cochrane Database of Systematic Reviews
Jesús Montenegro, Ramón M Saracho, Isabel M Martínez, Rosa I Muñoz, Julian J Ocharan, Evandro Valladares
OBJECTIVES: The aim of this prospective study was to collect long-term experience in incident peritoneal dialysis (PD) patients treated with pure bicarbonate-buffered PD fluids. METHODS: The metabolic parameters acidosis, acid-base status, adequacy, fluid balance, nutritional markers, calcium, phosphorus, parathyroid hormone (PTH), and general laboratory work and medication were compared between incident PD patients in two groups: one treated with a 34 mmol/L bicarbonate-buffered PD fluid (BIC), the other with a 35 mmol/L lactate-buffered PD fluid (LAC)...
January 2006: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
Cheuk-Chun Szeto, Kai-Ming Chow
Acidosis is a classic uremic toxin that causes protein catabolism, mainly by selective breakdown of skeletal muscle protein. However, the importance of acidosis is often overlooked in dialysis patients. In the presence of acidosis, there is activation of the ubiquitin-proteasome machinery as well as the branched-chain keto acid dehydrogenase, resulting in catabolism of muscle protein. Acidosis acts synergistically with other catabolic factors, such as inflammatory cytokines and insulin resistance, in inducing protein catabolism...
September 2004: Seminars in Dialysis
Wybe D Kloppenburg, Coen A Stegeman, Ton K Kremer Hovinga, Gerard Vastenburg, Pieter Vos, Paul E de Jong, Roel M Huisman
BACKGROUND: Protein requirements in stable, adequately dialysed haemodialysis patients are not known and recommendations vary. It is not known whether increasing the dialysis dose above the accepted adequate level has a favourable effect on nutrition. The aim of this study was to determine whether prescribing a high protein diet and increasing the dose of dialysis would have a favourable effect on dietary protein intake and nutritional status in stable, adequately dialysed haemodialysis patients...
May 2004: Nephrology, Dialysis, Transplantation
Michael R Wiederkehr, Jris Kalogiros, Reto Krapf
BACKGROUND: Chronic metabolic acidosis (CMA) in normal adults results in complex endocrine and metabolic alterations including growth hormone (GH) insensitivity, hypothyroidism, hyperglucocorticoidism, hypoalbuminaemia and loss of protein stores. Similar alterations occur in chronic renal failure, a prototypical state of CMA. We evaluated whether metabolic acidosis contributes to the endocrine and metabolic alterations characteristic of end-stage renal disease. METHODS: We treated 14 chronic haemodialysis patients with daily oral Na-citrate for 4 weeks, yielding a steady-state pre-dialytic plasma bicarbonate concentration of 26...
May 2004: Nephrology, Dialysis, Transplantation
Debra Blair, Carol Bigelow, Stephen J Sweet
OBJECTIVE: Metabolic acidosis is common in patients with end-stage renal disease (ESRD). Studies suggest that correction of acidosis may improve nutritional status and patient outcomes. The purpose of this study was to examine the effects of increasing delivered bicarbonate dose from 35 mmol/L to 39 mmol/L with respect to nutrition-related outcomes in maintenance hemodialysis patients (MHD). DESIGN AND SETTING: This was a longitudinal, observational study conducted at 4 dialysis centers in western Massachusetts...
July 2003: Journal of Renal Nutrition
Cheuk-Chun Szeto, Teresa Yuk-Hwa Wong, Kai-Ming Chow, Chi-Bon Leung, Philip Kam-Tao Li
Acidosis causes malnutrition in peritoneal dialysis (PD) patients. The effect of oral bicarbonate in PD patients with Kt/V <2.1 has not been studied. We randomly assigned 60 PD patients with acidosis and Kt/V <2.1 to oral sodium bicarbonate (0.9 g thrice daily) or placebo. Patients were followed for 12 mo. We compared their nutritional status, including subjective global assessment (SGA) score and normalized protein nitrogen appearance (NPNA), hospitalization and all-cause mortality. Treatment with oral bicarbonate resulted in a higher plasma bicarbonate level at 4 wk (27...
August 2003: Journal of the American Society of Nephrology: JASN
Cathy Verove, Nathalie Maisonneuve, Abdelghani El Azouzi, Amal Boldron, Raymond Azar
BACKGROUND: Metabolic acidosis (MA) is a frequent complication in advanced chronic renal failure (CRF). Currently, there is good evidence that MA contributes to malnutrition in CRF patients. METHODS: We evaluated the effect of correcting MA on nutritional status after 6 months of oral sodium bicarbonate supplementation in 18 patients aged 73 +/- 6 years with CRF to maintain serum bicarbonate levels at 24 +/- 2 mmol/L. The following parameters were measured: dietary record, energy intake, dietary protein intake (DPI), mini-nutritional assessment (MNA), serum albumin level, prealbumin level, prognosis inflammatory and nutritional index (PINI), and protein catabolic rate (nPCR)...
October 2002: Journal of Renal Nutrition
H Kalhoff, L Diekmann, S Rudloff, F Manz
BACKGROUND: Premature infants receiving alimentation with cow milk-based formulas run a considerably high risk of incipient late metabolic acidosis, an early stage developing of manifest late metabolic acidosis. Is bone metabolism involved in pathophysiologic mechanisms characterizing this early stage of retention acidosis? METHODS: Urinary ionography was performed in 10 premature infants with spontaneous development of incipient late metabolic acidosis (indicated by urine pH < 5...
November 2001: Journal of Pediatric Gastroenterology and Nutrition
S J Davies, L Phillips, A M Griffiths, P F Naish, G I Russell
BACKGROUND: Poor nutrition is associated with a loss of residual renal function and inferior clinical outcome in peritoneal dialysis (PD) patients. The value of increasing the PD dose in these individuals is unclear. METHODS: An open, prospective, longitudinal, "intention to treat" study was performed on a whole PD population. All patients treated during an 18-month recruitment period underwent nutritional assessment and were defined as malnourished if they had a subjective global assessment (SGA) of B or C and were 5% or more below their desirable body weight...
April 2000: Kidney International
E Movilli, R Zani, O Carli, L Sangalli, A Pola, C Camerini, G C Cancarini, F Scolari, P Feller, R Maiorca
BACKGROUND: Metabolic acidosis in haemodialysis (HD) patients increases whole body protein degradation while the correction of acidosis reduces it. However, the effects of the correction of acidosis on nutrition have not been clearly demonstrated. STUDY DESIGN: In this study we have evaluated the effects of 3 months of correction of metabolic acidosis by oral sodium bicarbonate supplementation on protein catabolic rate (PCRn) and serum albumin concentrations in 12 uraemic patients on maintenance HD for at least 6 months (median 49 months; range 6-243 months)...
July 1998: Nephrology, Dialysis, Transplantation
J P Brady, J A Hasbargen
Serum albumin concentration has been strongly associated with risk of death in hemodialysis patients, with mortality increasing as albumin decreases. Metabolic acidosis stimulates protein catabolism and decreases protein synthesis. A study was undertaken to investigate the effect of increasing predialysis serum bicarbonate (HCO3) concentrations on the nutrition of hemodialysis patients as measured by albumin and total lymphocyte count (TLC). Metabolic acidosis was defined as a predialysis serum bicarbonate concentration of < or = 18 mEq/L...
January 1998: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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