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Remer T, Kalotai N, Amini AM, Lehmann A, Schmidt A, Bischoff-Ferrari HA, Egert S, Ellinger S, Kroke A, Kühn T, Lorkowski S, Nimptsch K, Schwingshackl L, Zittermann A, Watzl B, Siener R. Protein intake and risk of urolithiasis and kidney diseases: an umbrella review of systematic reviews for the evidence-based guideline of the German Nutrition Society. Eur J Nutr 2023:10.1007/s00394-023-03143-7. [PMID: 37133532 DOI: 10.1007/s00394-023-03143-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 04/03/2023] [Indexed: 05/04/2023]
Abstract
PURPOSE Changes in dietary protein intake metabolically affect kidney functions. However, knowledge on potential adverse consequences of long-term higher protein intake (HPI) for kidney health is lacking. To summarise and evaluate the available evidence for a relation between HPI and kidney diseases, an umbrella review of systematic reviews (SR) was conducted. METHODS PubMed, Embase and Cochrane Database of SRs published until 12/2022 were searched for the respective SRs with and without meta-analyses (MA) of randomised controlled trials or cohort studies. For assessments of methodological quality and of outcome-specific certainty of evidence, a modified version of AMSTAR 2 and the NutriGrade scoring tool were used, respectively. The overall certainty of evidence was assessed according to predefined criteria. RESULTS Six SRs with MA and three SRs without MA on various kidney-related outcomes were identified. Outcomes were chronic kidney disease, kidney stones and kidney function-related parameters: albuminuria, glomerular filtration rate, serum urea, urinary pH and urinary calcium excretion. Overall certainty of evidence was graded as 'possible' for stone risk not to be associated with HPI and albuminuria not to be elevated through HPI (above recommendations (> 0.8 g/kg body weight/day)) and graded as 'probable' or 'possible' for most other kidney function-related parameters to be physiologically increased with HPI. CONCLUSION Changes of the assessed outcomes may have reflected mostly physiological (regulatory), but not pathometabolic responses to higher protein loads. For none of the outcomes, evidence was found that HPI does specifically trigger kidney stones or diseases. However, for potential recommendations long-term data, also over decades, are required.
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Affiliation(s)
- Thomas Remer
- DONALD Study Center Dortmund, Department of Nutritional Epidemiology, Institute of Nutrition and Food Science, University of Bonn, Heinstück 11, 44225, Dortmund, Germany.
| | | | | | | | | | - Heike A Bischoff-Ferrari
- Department of Aging Medicine and Aging Research, University Hospital Zurich, University of Zurich, and City Hospital Zurich, Zurich, Switzerland
| | - Sarah Egert
- Department of Nutrition and Food Science, Nutritional Physiology, University of Bonn, Bonn, Germany
| | - Sabine Ellinger
- Department of Nutrition and Food Science, Human Nutrition, University of Bonn, Bonn, Germany
| | - Anja Kroke
- Department of Nutritional, Food and Consumer Sciences, Fulda University of Applied Sciences, Fulda, Germany
| | - Tilman Kühn
- The Institute for Global Food Security, Queen's University Belfast, Belfast, Northern Ireland, UK
- Faculty of Medicine and University Hospital, Heidelberg Institute of Global Health (HIGH), Heidelberg, Germany
- Department of Nutritional Sciences, University of Vienna, Vienna, Austria
- Center for Public Health, Medical University of Vienna, Vienna, Austria
| | - Stefan Lorkowski
- Institute of Nutritional Sciences, Friedrich Schiller, University Jena, Jena, Germany
- Competence Cluster for Nutrition and Cardiovascular, Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany
| | - Katharina Nimptsch
- Molecular Epidemiology Research Group, Max Delbrück Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Lukas Schwingshackl
- Faculty of Medicine, Institute for Evidence in Medicine, Medical Center - University of Freiburg, Freiburg, Germany
| | - Armin Zittermann
- Clinic for Thoracic and Cardiovascular Surgery, Herz- Und Diabeteszentrum Nordrhein-Westfalen, Ruhr University Bochum, Bad Oeynhausen, Germany
| | - Bernhard Watzl
- Department of Physiology and Biochemistry of Nutrition, Max Rubner-Institut, Karlsruhe, Germany
| | - Roswitha Siener
- Department of Urology, University Stone Center, University Hospital Bonn, Bonn, Germany
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Urolithiasis: Medical and surgical treatment. Eur Urol Focus 2021; 7:1-2. [PMID: 33518510 DOI: 10.1016/j.euf.2021.01.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 01/13/2021] [Indexed: 11/20/2022]
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Vasconcelos QDJS, Bachur TPR, Aragão GF. Whey protein supplementation and its potentially adverse effects on health: a systematic review. Appl Physiol Nutr Metab 2020; 46:27-33. [PMID: 32702243 DOI: 10.1139/apnm-2020-0370] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Whey protein comprises soluble whey proteins and its benefits are well described in the literature. However, there are not many studies investigating the potential adverse effect of a diet with indiscriminate use of this supplement. The aim of this study was to perform a systematic review of papers that addressed this theme. A search was conducted in Medline, LILACS, TOXNET, Web of science, and Scopus electronic databases. In the end, 11 documents comprised this review. The majority of the papers associated the damaging effect with the chronic and abusive use of whey protein, with the kidneys and liver being the main organs affected. The other studies related whey protein to aggravation of aggression, presence of acne, and modification of the microbiota. Therefore, excessive consumption over a long period of protein supplementation may have some adverse effects on the body, which is aggravated when associated with sedentary lifestyle. PROSPERO registration no.: CRD42020140466. Novelty: A systematic review of experimental and randomized studies about the use of whey proteins supplements and its impact on physical health. Analysis revealed that chronic and without professional guidance use of whey protein supplementation may cause some adverse effects specially on kidney and liver function. Presented data support a need for future studies co-relating the use of different types of whey protein with and without exercise to better see the impact on human physical health.
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Affiliation(s)
| | | | - Gislei Frota Aragão
- Faculty of Medicine, Drug Research and Development Center, Federal University of Ceara, Fortaleza, Ceará 60430-275, Brazil.,Health Science Center, Ceará State University, Fortaleza, Ceará 60714-903, Brazil
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Kumari A, Dokwal S, Mittal P, Kumar R, Goel R, Bansal P, Kumar HD, Bhutani J. An Increase Incidence in Uric Acid Nephrolithiasis: Changing Patterns. J Clin Diagn Res 2016; 10:BC01-3. [PMID: 27630833 PMCID: PMC5020242 DOI: 10.7860/jcdr/2016/19714.8139] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 04/20/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Nephrolithiasis is a complex disease affecting all age groups globally. As the causative factors for nephrolithiasis rises significantly, its incidence, prevalence and recurrence continues to baffle clinicians and patients. AIM To study the prevalence of different types of renal stones extracted by Percutaneous Nephrolithotomy (PCNL) and open surgical procedures. MATERIALS AND METHODS Renal stones from 50 patients were retrieved by Percutaneous Nephrolithotomy (PCNL), Ureterorenoscopy (URS) and open surgical techniques for qualitative tests for detection of calcium, oxalate, uric acid, phosphate, ammonium ion, carbonate, cystine and xanthine. RESULTS Three patients had stone removed by open surgery and rest had undergone PCNL. Nine of the stones were pure of calcium oxalate, 9 were of pure uric acid and 32 were mixed stones. Forty one stones had calcium. Among the mixed stones, oxalate was present in 25 samples (39 of total), uric acid was seen in 17 (25 of total stones), phosphate was present in 23 (23 of total) and carbonate was present in 4 stones (4 of total). Only 1 patient had triple phosphate stone. 12 were of staghorn appearance of which 6 were of struvite type, 6 were pure uric acid and remaining were mixed oxalate-phosphate stones. CONCLUSION Our study, though in a small number of hospital based patients, found much higher prevalence of uric acid stones and mixed stones than reported by previous hospital based studies in north India (oxalate stones~90%, uric acid~1% and mixed stones~3%). Biochemical analysis of renal stones is warranted in all cases.
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Affiliation(s)
- Asha Kumari
- Demonstrator, Department of Biochemistry, PGIMS, Rohtak, Haryana, India
| | - Sumit Dokwal
- Assistant Professor, Department of Biochemistry, PGIMS, Rohtak, Haryana, India
| | | | - Rajender Kumar
- Junior Resident, Department of Biochemistry, PGIMS, Rohtak, Haryana, India
| | - Richa Goel
- Junior Resident, Department of Biochemistry, PGIMS, Rohtak, Haryana, India
| | - Piyush Bansal
- Assistant Professor, Department of Biochemistry, BPS GMCKhanpur, Sonepat, Haryana, India
| | | | - Jaikrit Bhutani
- House Surgeon, Department of Pulmonary and Critical Care Medicine, PGIMS, Rohtak, Haryana, India
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Aparicio VA, Nebot E, Tassi M, Camiletti-Moirón D, Sanchez-Gonzalez C, Porres JM, Aranda P. Whey versus soy protein diets and renal status in rats. J Med Food 2014; 17:1011-6. [PMID: 25055031 DOI: 10.1089/jmf.2013.0117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Different dietary protein sources can promote different renal statuses. We examined the effects of whey protein (WP) and soy protein (SP) intake on plasma, urinary, and morphological renal parameters in rats. One hundred and twenty Wistar rats were randomly distributed into 2 experimental groups fed with either WP or SP diets over 12 weeks. These diets were based on commercial WP or SP isolates. The urinary calcium content was higher in the WP diet compared to the SP diet group (P<.001) whereas the urinary citrate level was lower (P<.001). The urinary pH was more acidic in the WP diet group compared to the SP diet group (P<.001); however, no differences were observed between the groups for any of the renal morphological parameters analyzed (all, P>.05) or other plasma renal markers such as albumin or urea concentrations. The increase of acid and urinary calcium and the lower urinary citrate level observed in the WP diet group could increase the incidence of nephrolithiasis compared to the SP diet group. Despite the WP showed poorer acid-base profile, no significant morphological renal changes were observed. These results suggest that the use of SP instead of WP appears to promote a more alkaline plasma and urinary profile, with their consequent renal advantages.
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Affiliation(s)
- Virginia A Aparicio
- 1 Department of Physiology, School of Pharmacy and Institute of Nutrition and Food Technology, University of Granada , Granada, Spain
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Tiselius HG. Guidelines reignite interest in medical treatment of stones. Nat Rev Urol 2014; 11:490-2. [DOI: 10.1038/nrurol.2014.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Nebot E, Erben RG, Porres JM, Femia P, Camiletti-Moirón D, Aranda P, López-Jurado M, Aparicio VA. Effects of the amount and source of dietary protein on bone status in rats. Food Funct 2014; 5:716-23. [PMID: 24531397 DOI: 10.1039/c3fo60525f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study examined the effects of the dietary amount and source of protein on bone status in rats. 140 male Wistar rats aged 8 weeks were randomly allocated to 4 groups (n = 35) fed normal-protein (NP, 10% richness) or high-protein (HP, 45% richness) diets based on whey protein (WP) or soy protein (SP) sources for 12 weeks. Plasma urea was 46% higher for the HP compared to the NP diet (p < 0.001). Urinary calcium was 65% higher for the HP compared to the NP and 60% higher for the WP compared to the SP diets (all, p < 0.001). Urinary pH was 8% more acidic in the HP compared to the NP diet (p < 0.001) and 4% in the WP compared to the SP diet (p < 0.01). The plasma osteocalcin concentration was 19% higher for the NP compared to the HP (p < 0.05) and 25% for the SP compared to the WP diets (p < 0.01). Femur ash, metaphyseal and diaphyseal cross-sectional, trabecular and cortical areas were 3% higher in the HP compared to the NP diet (all, p < 0.05). Femur diaphyseal periosteal and endocortical perimeters were also 3% higher in the HP compared to the NP diet (both, p < 0.01). Groups fed the SP diet showed 2% higher femur ash percentage, 7% higher calcium content (both, p < 0.001), and 3% higher diaphyseal cortical area and thickness (both, p < 0.05) than those fed the WP diet. Some interactions were found, such as the greater effects of the SP diet on decreasing the higher plasma urea concentration promoted by the intake of the HP diet (p < 0.001). Under adequate Ca intake, HP diets could better maintain bone properties than NP diets, even with increasing some acidity markers, which could be reduced by the intake of SP sources.
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Affiliation(s)
- Elena Nebot
- Department of Physiology, Faculty of Pharmacy and Faculty of Sport Sciences, University of Granada, Campus Universitario de Cartuja s/n, Granada, 18071, Spain.
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Chutipongtanate S, Chaiyarit S, Thongboonkerd V. Citrate, not phosphate, can dissolve calcium oxalate monohydrate crystals and detach these crystals from renal tubular cells. Eur J Pharmacol 2012; 689:219-25. [DOI: 10.1016/j.ejphar.2012.06.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2012] [Revised: 05/31/2012] [Accepted: 06/09/2012] [Indexed: 11/25/2022]
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10
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Effects of high-whey-protein intake and resistance training on renal, bone and metabolic parameters in rats. Br J Nutr 2010; 105:836-45. [DOI: 10.1017/s0007114510004393] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Consumption of high-protein (HP) diets is postulated to exert a negative influence on bone and renal health. However, no conclusive evidence has been presented related to this issue or to the potential protective action of resistance training on HP-induced systemic effects. We examined the effects of HP diet consumption on food intake, body-weight gain, body composition, and renal, bone and metabolic parameters of rats performing resistance training. A total of ninety-six adult male Wistar rats were randomly distributed in twelve experimental groups (n 8): normal-protein (10 %) or HP (45 %) diets, with or without resistance training, killed for experimental periods of 1, 2 or 3 months. Diets were based on a commercial whey protein hydrolysate. Consumption of HP diets and resistance training significantly affected food intake, body weight and body composition, as well as the plasma levels of total cholesterol, HDL-cholesterol and TAG. The buffering action of resistance training on such diet-induced alterations was especially evident in the levels of plasma TAG. Consumption of HP diets led to a considerable increase in kidney weight, urinary volume and acidity, as well as in the urinary excretion of Ca, with a parallel reduction in the urinary excretion of citrate (P < 0·05). No apparent deleterious effect on bone mineral content was found. In conclusion, consumption of HP diets caused alterations in renal health status and some metabolic parameters, but did not seem to affect bone status. Resistance training had a protective action against alterations of renal health status and some metabolic parameters such as plasma TAG.
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Rendina D, De Filippo G, Zampa G, Muscariello R, Mossetti G, Strazzullo P. Characteristic clinical and biochemical profile of recurrent calcium-oxalate nephrolithiasis in patients with metabolic syndrome. Nephrol Dial Transplant 2010; 26:2256-63. [PMID: 21051502 DOI: 10.1093/ndt/gfq664] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Metabolic syndrome is a risk factor for nephrolithiasis. This study was performed to evaluate the clinical and biochemical profile of calcium-oxalate nephrolithiasis in stone formers with metabolic syndrome. METHODS A total of 526 recurrent stone formers, 184 of them with metabolic syndrome, and 214 controls were examined on a free diet and after a sodium-restricted diet (sodium intake < 100 mmol/24 h). RESULTS On free diet, stone formers with metabolic syndrome showed higher sodium excretion [mean (95% confidence interval), 196 (176-218) vs 160 (150-168) mmol/24 h; P < 0.01] and lower citrate excretion [2.23 (1.99-2.58) vs 2.84 (2.51-3.17) mmol/24 h; P < 0.01] compared to controls, whereas stone formers without metabolic syndrome showed higher calcium and oxalate excretion [5.43 (5.01-5.82) vs 3.58 (2.84-4.19) and 0.34 (0.32-0.36) vs 0.26 (0.20-0.31)m mmol/24 h for calcium and oxalate, respectively; P < 0.01] and lower citrate excretion [2.18 (1.98-2.38) vs 2.84 (2.51-3.17) mmol/24 h; P < 0.01] compared to controls. The ion activity product of urinary calcium-oxalate salts was similar between stone formers with and without metabolic syndrome [1.41 (1.31-1.59) vs 1.40 (1.35-1.45); P > 0.05]. After the test diet, this index was lower in diet-compliant stone formers with metabolic syndrome compared to diet-compliant stone formers without metabolic syndrome [1.15 (1.10-1.21) vs 1.39 (1.31-1.45); P < 0.01]. CONCLUSIONS The biochemical profiles and responses to the sodium-restricted diet were significantly different between stone formers with metabolic syndrome and those without. Dietary habits play a central role in the pathogenesis of nephrolithiasis in stone formers with metabolic syndrome.
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Affiliation(s)
- Domenico Rendina
- Departament of Radiology, Hospital Universitario Insular de Gran Canaria, Spain.
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Abstract
Melamine contamination of infant formula in China and its health effects highlight the safety of the global food supply especially as it relates to formula-fed infants. Melamine is a widely used industrial chemical not considered acutely toxic with a high LD(50) in animals. The data available on acute and chronic human exposure to melamine have been limited and extrapolated from animal data. Pet food contamination in 2004 and 2007 showed stone formation and illness in animals when melamine was co-ingested with cyanuric acid. The recent outbreak in infants showed that melamine ingested in large doses may cause stones and illness without significant ingestion of cyanuric acid or other melamine-related chemicals. This may be due to increased uric acid excretion in infants and formation of melamine-uric acid stones. Diagnosis and treatment of infants exposed to melamine requires further study. Clinical signs and symptoms in infants are nonspecific. The stones may be radiolucent and are not consistently seen on ultrasound. The use of alkalinization of the urine for treatment has been proposed, but is of unproven benefit. The FDA and other regulatory agencies have recommended acceptable levels of melamine in foods for consumption. Melamine ingestion has been implicated in stone formation when co-ingested with cyanuric acid, but will cause urinary stones in infants when large amounts of melamine alone are ingested.
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Effect of blind treatment on stone disease. ACTA ACUST UNITED AC 2009; 38:205-9. [DOI: 10.1007/s00240-009-0244-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2009] [Accepted: 11/11/2009] [Indexed: 10/20/2022]
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Effect of Potassium Citrate Therapy on the Risk of Renal Stone Formation During Spaceflight. J Urol 2009; 182:2490-6. [DOI: 10.1016/j.juro.2009.07.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2009] [Indexed: 11/17/2022]
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Zanni GR. Kidney stones: painful and common--but preventable. THE CONSULTANT PHARMACIST : THE JOURNAL OF THE AMERICAN SOCIETY OF CONSULTANT PHARMACISTS 2009; 24:338-350. [PMID: 19555143 DOI: 10.4140/tcp.n.2009.338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Kidney stones are among the more common and painful urological disorders, affecting approximately 10% of Americans. While most stones pass spontaneously, obstructions result in renal colic, often requiring aggressive management of pain. If obstructions persist, extracorporeal shockwave lithotripsy, ureteroscopy, or percutaneous nephrolithotomy may be required for a stone's removal. Recurrence rates are high, and prevention includes increased fluid intake, dietary restrictions, and the use of pharmacotherapy. Stone recurrence increases with age, underscoring the importance of prevention for those 60 years of age and older.
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