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Raimundo R, Preciado L, Belchior R, Almeida CMM. Water quality and adverse health effects on the hemodialysis patients: An overview. Ther Apher Dial 2023; 27:1053-1063. [PMID: 37381091 DOI: 10.1111/1744-9987.14032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/13/2023] [Accepted: 06/20/2023] [Indexed: 06/30/2023]
Abstract
Hemodialysis is considered a treatment of choice for patients with renal failure worldwide, allowing the replacement of some kidney functions by diffusion and ultrafiltration processes. Over 4 million people require some form of renal replacement therapy, with hemodialysis being the most common. During the procedure, contaminants in the water and the resulting dialysate may pass into the patient's blood and lead to toxicity. Thus, the quality of the associated dialysis solutions is a critical issue. Accordingly, the discussion of the importance of a dialysis water delivery system controlled by current standards and recommendations, with efficient monitoring methods, disinfection systems, and chemical and microbiological analysis, is crucial for improving the health outcomes of these patients. The importance of treatment, monitoring, and regulation is emphasized by presenting several case studies concerning the contamination of hemodialysis water and the adverse effects on the respective patients.
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Affiliation(s)
- Raquel Raimundo
- Laboratory of Bromatology and Water Quality, Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal
| | - Laura Preciado
- Laboratory of Bromatology and Water Quality, Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal
| | - Rita Belchior
- Laboratory of Bromatology and Water Quality, Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal
| | - Cristina M M Almeida
- Laboratory of Bromatology and Water Quality, Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal
- iMed.UL (Institute for Medicines and Pharmaceutical Sciences, Portugal), Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal
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2
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Chaoui L, Chouati T, Zalegh I, Mhand RA, Mellouki F, Rhallabi N. Identification and assessment of antimicrobial resistance bacteria in a hemodialysis water treatment system. JOURNAL OF WATER AND HEALTH 2022; 20:441-449. [PMID: 36366996 DOI: 10.2166/wh.2022.267] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The water treatment process is a vital factor for hemodialysis (HD) patients. This study aimed to assess the degree of contamination of HD water by bacteria at the HD center of Mohammedia, Morocco, in addition to evaluating the antimicrobial resistance of isolated bacteria. Fifty-four water samples were taken, the appropriate cultures were used to isolate the pathogenic bacteria, which were identified biochemically and molecularly by 16S RNA sequencing. Their susceptibility to antimicrobial drugs was determined by the disk diffusion method. Approximately 5.5% of water samples were above the norm. The isolated bacteria that colonized the HD systems were mostly Gram-negative bacilli, such as Stenotrophomonas maltophilia, Pseudomonas spp., and Burkholderia cepacian. Results of the antibiotics test showed remarkable resistance levels. Among Pseudomonas spp. and S. maltophilia, 10 strains were classified as multidrug-resistant (MDR), and 4 as extensively drug-resistant (XDR). The diversity of bacterial strains isolated in the water used for HD treatments, and their worrying resistance levels pose a significant risk to patients. For these reasons, an urgent need for periodic microbiological monitoring of water after each treatment step must be applied, and the treatment process should also be optimized.
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Affiliation(s)
- Laila Chaoui
- Provincial Diagnostic Laboratory Epidemiological and Environmental Health, Provincial Health Delegation, Mohammedia, Morocco E-mail: ; Laboratory of physical chemistry and biotechnologies of biomolecules and materials, University Hassan II Casablanca, FSTM, Mohammedia, Morocco
| | - Taha Chouati
- Laboratory of Microbiology and Molecular Biology, UATRS-PGF, National Center for Scientific and Technical Research, Rabat, Morocco
| | - Imane Zalegh
- Laboratory of physical chemistry and biotechnologies of biomolecules and materials, University Hassan II Casablanca, FSTM, Mohammedia, Morocco
| | - Rajaa Ait Mhand
- Laboratory of physical chemistry and biotechnologies of biomolecules and materials, University Hassan II Casablanca, FSTM, Mohammedia, Morocco
| | - Fouad Mellouki
- Laboratory of physical chemistry and biotechnologies of biomolecules and materials, University Hassan II Casablanca, FSTM, Mohammedia, Morocco
| | - Naima Rhallabi
- Laboratory of physical chemistry and biotechnologies of biomolecules and materials, University Hassan II Casablanca, FSTM, Mohammedia, Morocco
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3
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Piccoli GB, Cupisti A, Aucella F, Regolisti G, Lomonte C, Ferraresi M, Claudia D, Ferraresi C, Russo R, La Milia V, Covella B, Rossi L, Chatrenet A, Cabiddu G, Brunori G. Green nephrology and eco-dialysis: a position statement by the Italian Society of Nephrology. J Nephrol 2020; 33:681-698. [PMID: 32297293 PMCID: PMC7381479 DOI: 10.1007/s40620-020-00734-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/03/2020] [Indexed: 02/07/2023]
Abstract
High-technology medicine saves lives and produces waste; this is the case of dialysis. The increasing amounts of waste products can be biologically dangerous in different ways: some represent a direct infectious or toxic danger for other living creatures (potentially contaminated or hazardous waste), while others are harmful for the planet (plastic and non-recycled waste). With the aim of increasing awareness, proposing joint actions and coordinating industrial and social interactions, the Italian Society of Nephrology is presenting this position statement on ways in which the environmental impact of caring for patients with kidney diseases can be reduced. Due to the particular relevance in waste management of dialysis, which produces up to 2 kg of potentially contaminated waste per session and about the same weight of potentially recyclable materials, together with technological waste (dialysis machines), and involves high water and electricity consumption, the position statement mainly focuses on dialysis management, identifying ten first affordable actions: (1) reducing the burden of dialysis (whenever possible adopting an intent to delay strategy, with wide use of incremental schedules); (2) limiting drugs and favouring "natural" medicine focussing on lifestyle and diet; (3) encouraging the reuse of "household" hospital material; (4) recycling paper and glass; (5) recycling non-contaminated plastic; (6) reducing water consumption; (7) reducing energy consumption; (8) introducing environmental-impact criteria in checklists for evaluating dialysis machines and supplies; (9) encouraging well-planned triage of contaminated and non-contaminated materials; (10) demanding planet-friendly approaches in the building of new facilities.
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Affiliation(s)
- Giorgina Barbara Piccoli
- Nephrology, Centre Hospitalier Le Mans, Le Mans, France.
- Department of Clinical and Biological Sciences, University of Torino, Turin, Italy.
| | - Adamasco Cupisti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Filippo Aucella
- Nephrology and Dialysis Unit, IRCCS "Casa Sollievo Della Sofferenza" Scientific Institute for Research and Health Care, San Giovanni Rotondo, Italy
| | - Giuseppe Regolisti
- Department of Internal Medicine, Nephrology and Health Sciences, University of Parma, Parma, Italy
| | - Carlo Lomonte
- Division of Nephrology, Miulli General Hospital, Acquaviva delle Fonti, Italy
| | - Martina Ferraresi
- Department of Clinical and Biological Sciences, University of Torino, Turin, Italy
| | - D'Alessandro Claudia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Carlo Ferraresi
- Department of Mechanical and Aerospace, DIMEAS, Politecnico of Torino, Turin, Italy
| | - Roberto Russo
- Nephology Unit. Azienda Ospedaliera Universitaria Policlinico, Bari, Italy
| | | | - Bianca Covella
- Division of Nephrology, Miulli General Hospital, Acquaviva delle Fonti, Italy
| | - Luigi Rossi
- Division of Nephrology, Miulli General Hospital, Acquaviva delle Fonti, Italy
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4
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Li Y, Wu M, Wang Y, Yang Q, Li X, Zhang B, Yang D. Novel P-n Li 2SnO 3/g-C 3N 4 Heterojunction With Enhanced Visible Light Photocatalytic Efficiency Toward Rhodamine B Degradation. Front Chem 2020; 8:75. [PMID: 32117895 PMCID: PMC7026459 DOI: 10.3389/fchem.2020.00075] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 01/23/2020] [Indexed: 11/23/2022] Open
Abstract
The design of highly efficient and stable photocatalysts to utilize solar energy is a significant challenge in photocatalysis. In this work, a series of novel p-n heterojunction photocatalysts, Li2SnO3/g-C3N4, was successfully prepared via a facile calcining method, and exhibited superior photocatalytic activity toward the photodegradation of Rhodamine B solution under visible light irradiation as compared with pure Li2SnO3 and g-C3N4. The maximum kinetic rate constant of photocatalytic degradation of Rhodamine B within 60 min was 0.0302 min−1, and the composites still retained excellent performance after four successive recycles. Chemical reactive species trapping experiments and electron paramagnetic resonance demonstrated that hydroxyl radicals (·OH) and superoxide ions (·O2-) were the dominant active species in the photocatalytic oxidation of Rhodamine B solution, while holes (h+) only played a minor role. We demonstrated that the enhancement of the photocatalytic activity could be assigned to the formation of a p-n junction photocatalytic system, which benefitted the efficient separation of photogenerated carriers. This study provides a visible light-responsive heterojunction photocatalyst with potential applications in environmental remediation.
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Affiliation(s)
- Yuanyuan Li
- Department of Biological and Chemical Engineering, Cooperative Innovation Center of Lipid Resources and Children's Daily Chemicals, Chongqing University of Education, Chongqing, China.,College of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, China.,National ad Local Joint Laboratory of Traffic Civil Engineering Materials, Department of Materials and Engineering, Chongqing Jiaotong University, Chongqing, China.,Analytical and Testing Center of Chongqing University, Chongqing, China
| | - Meijun Wu
- Department of Biological and Chemical Engineering, Cooperative Innovation Center of Lipid Resources and Children's Daily Chemicals, Chongqing University of Education, Chongqing, China
| | - Yaoqiong Wang
- College of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, China
| | - Qimei Yang
- Department of Biological and Chemical Engineering, Cooperative Innovation Center of Lipid Resources and Children's Daily Chemicals, Chongqing University of Education, Chongqing, China
| | - Xiaoyan Li
- National ad Local Joint Laboratory of Traffic Civil Engineering Materials, Department of Materials and Engineering, Chongqing Jiaotong University, Chongqing, China
| | - Bin Zhang
- Analytical and Testing Center of Chongqing University, Chongqing, China
| | - Dingfeng Yang
- College of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, China
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Abstract
Clear evidence indicates that the health of the natural world is declining globally at rates that are unprecedented in human history. This decline represents a major threat to the health and wellbeing of human populations worldwide. Environmental change, particularly climate change, is already having and will increasingly have an impact on the incidence and distribution of kidney diseases. Increases in extreme weather events owing to climate change are likely to have a destabilizing effect on the provision of care to patients with kidney disease. Ironically, health care is part of the problem, contributing substantially to resource depletion and greenhouse gas emissions. Among medical therapies, the environmental impact of dialysis seems to be particularly high, suggesting that the nephrology community has an important role to play in exploring environmentally responsible health-care practices. There is a need for increased monitoring of resource usage and waste generation by kidney care facilities. Opportunities to reduce the environmental impact of haemodialysis include capturing and reusing reverse osmosis reject water, utilizing renewable energy, improving waste management and potentially reducing dialysate flow rates. In peritoneal dialysis, consideration should be given to improving packaging materials and point-of-care dialysate generation.
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Affiliation(s)
| | - John W M Agar
- Department of Renal Medicine, University Hospital Geelong, Barwon Health, Geelong, Australia
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Dou P, Zhao S, Xu S, Li XM, He T. Feasibility of osmotic dilution for recycling spent dialysate: Process performance, scaling, and economic evaluation. WATER RESEARCH 2020; 168:115157. [PMID: 31614235 DOI: 10.1016/j.watres.2019.115157] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/25/2019] [Accepted: 10/03/2019] [Indexed: 06/10/2023]
Abstract
Hemodialysis is one of the therapies for patients with kidney failure. Hemodialysis requires large amounts of pure water, and is one of the most water-hungry medical procedures, and thus represents a clear opportunity where improvements should be made concerning the consumption and wastage of water. In this paper, we explored the potential of forward osmosis (FO) membrane for recycling the spent dialysate using the dialysis concentrate as the draw solution. Partially diluted dialysis concentrate could be further diluted with pure water to form dialysate for further dialysis process. Using commercial cellulose triacetate (CTA) FO membranes, the water recovery of approximately 64% was achieved and the final volume of the partially diluted dialysis concentrate was about four times the initial volume. Flux decline of the FO process was observed, mainly due to concentration of synthetic spent dialysate and dilution of dialysis concentrate, while membrane scaling had little impact on the flux decline. The urea rejection was found to be relatively low owing to the small size and electroneutral nature of the urea molecule. Obvious membrane scaling was observed after three FO cycles. The energy dispersive spectroscopy analysis of the scaling layer indicated that the scalants were phosphates and carbonates. The scaling was removed via osmotic backwash and almost completely recovery of FO flux was obtained. Economic analysis showed that the centralized treatment of spent dialysate in a dialysis center using the proposed osmotic dilution process could greatly save water resources and cost. Improving the urea rejection of FO membrane was identified as an important research focus for future research on the potential application of FO technology for recycling the spent dialysate in hemodialysis.
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Affiliation(s)
- Pengjia Dou
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Shuwei Zhao
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shanshan Xu
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xue-Mei Li
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Tao He
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
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7
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Suzuki MN, Fregonesi BM, Machado CS, Zagui GS, Kusumota L, Suzuki AK, da Costa JAC, Llopart JS, Nadal M, Domingo JL, Segura-Muñoz S. Hemodialysis Water Parameters as Predisposing Factors for Anemia in Patients in Dialytic Treatment: Application of Mixed Regression Models. Biol Trace Elem Res 2019; 190:30-37. [PMID: 30218313 DOI: 10.1007/s12011-018-1515-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 09/06/2018] [Indexed: 11/30/2022]
Abstract
Contamination by metals and microbiological agents in hemodialysis water can cause clinical intercurrences in hemodialysis patients. Evaluating and assuring minimum levels of contamination from metals and microorganisms in hemodialysis water can improve patient safety. The objective of this study was to assess hemodialysis water quality in a major tertiary hospital in Brazil and investigate the relationship between hemodialysis water quality and clinical intercurrences in hemodialysis patients. A prospective-observational cohort study for evaluation of water quality parameters and clinical intercurrences present by patients (n = 52) were performed from May 2014 to April 2015. Mixed linear regression models and binary regression models were fitted for water quality parameters and patients' clinical parameters. The increase in the levels of copper and nitrate in hemodialysis water was significant (p < 0.05) to explain anemia. Bone pain was related to age, sex (female), and hemodialysis treatment duration (years). Hypotensive episodes were related to serum sodium decrease. Aluminum in hemodialysis water was present in an average concentration higher than the permitted threshold (15.35 ± 14.53 μg/L). Cadmium, total coliforms, Escherichia coli, and endotoxins in hemodialysis water were not detected and the heterotrophic bacteria count was below the reference limit. These parameters' concentrations varied during the study, evidencing the need for continuous monitoring.
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Affiliation(s)
- Meire Nikaido Suzuki
- Laboratory of Ecotoxicology and Environmental Parasitology, College of Nursing of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14040-902, Brazil
| | - Brisa Maria Fregonesi
- Laboratory of Ecotoxicology and Environmental Parasitology, College of Nursing of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14040-902, Brazil
| | - Carolina Sampaio Machado
- Laboratory of Ecotoxicology and Environmental Parasitology, College of Nursing of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14040-902, Brazil
| | - Guilherme Sgobbi Zagui
- Laboratory of Ecotoxicology and Environmental Parasitology, College of Nursing of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14040-902, Brazil
| | - Luciana Kusumota
- Department of Fundamental Nursing, College of Nursing of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14040-902, Brazil
| | - Adriano Kamimura Suzuki
- Department of Applied Mathematics and Statistics, Institute of Mathematical and Computing Sciences, University of São Paulo, Av. Trabalhador São Carlense 400, São Carlos, São Paulo, 13560-970, Brazil
| | - José Abrão Cardeal da Costa
- Department of Internal Medicine, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Jordi Sierra Llopart
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
- Laboratory of Soil Science, Faculty of Pharmacy, Universitat de Barcelona, Avda. Joan XXIII s/n., 08020, Barcelona, Catalonia, Spain
| | - Martí Nadal
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
| | - Jose Luis Domingo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
| | - Susana Segura-Muñoz
- Laboratory of Ecotoxicology and Environmental Parasitology, College of Nursing of Ribeirão Preto, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14040-902, Brazil.
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Innovative strategy with potential to increase hemodialysis efficiency and safety. Sci Rep 2014; 4:4425. [PMID: 24651843 PMCID: PMC3961733 DOI: 10.1038/srep04425] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 03/04/2014] [Indexed: 01/22/2023] Open
Abstract
Uremic toxins are mainly represented by blood urine nitrogen (BUN) and creatinine (Crea) whose removal is critically important in hemodialysis (HD) for kidney disease. Patients undergoing HD have a complex illness, resulting from: inadequate removal of organic waste, dialysis-induced oxidative stress and membrane-induced inflammation. Here we report innovative breakthroughs for efficient and safe HD by using a plasmon-induced dialysate comprising Au nanoparticles (NPs)-treated (AuNT) water that is distinguishable from conventional deionized (DI) water. The diffusion coefficient of K3Fe(CN)6 in saline solution can be significantly increased from 2.76, to 4.62 × 10−6 cm s−1, by using AuNT water prepared under illumination by green light-emitting diodes (LED). In vitro HD experiments suggest that the treatment times for the removals of 70% BUN and Crea are reduced by 47 and 59%, respectively, using AuNT water instead of DI water in dialysate, while additionally suppressing NO release from lipopolysaccharide (LPS)-induced inflammatory cells.
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Golper TA, Fissell R, Fissell WH, Hartle PM, Sanders ML, Schulman G. Hemodialysis: core curriculum 2014. Am J Kidney Dis 2014; 63:153-63. [PMID: 24268927 PMCID: PMC4276338 DOI: 10.1053/j.ajkd.2013.07.028] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Accepted: 07/01/2013] [Indexed: 11/11/2022]
Affiliation(s)
- Thomas A Golper
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN.
| | - Rachel Fissell
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN
| | - William H Fissell
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN
| | - P Matthew Hartle
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN
| | - M Lee Sanders
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN
| | - Gerald Schulman
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN
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