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Zhan HQ, Zhang X, Chen XL, Cheng L, Wang X. Application of nanotechnology in the treatment of glomerulonephritis: current status and future perspectives. J Nanobiotechnology 2024; 22:9. [PMID: 38169389 PMCID: PMC10763010 DOI: 10.1186/s12951-023-02257-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024] Open
Abstract
Glomerulonephritis (GN) is the most common cause of end-stage renal failure worldwide; in most cases, it cannot be cured and can only delay the progression of the disease. At present, the main treatment methods include symptomatic therapy, immunosuppressive therapy, and renal replacement therapy. However, effective treatment of GN is hindered by issues such as steroid resistance, serious side effects, low bioavailability, and lack of precise targeting. With the widespread application of nanoparticles in medical treatment, novel methods have emerged for the treatment of kidney diseases. Targeted transportation of drugs, nucleic acids, and other substances to kidney tissues and even kidney cells through nanodrug delivery systems can reduce the systemic effects and adverse reactions of drugs and improve treatment effectiveness. The high specificity of nanoparticles enables them to bind to ion channels and block or enhance channel gating, thus improving inflammation. This review briefly introduces the characteristics of GN, describes the treatment status of GN, systematically summarizes the research achievements of nanoparticles in the treatment of primary GN, diabetic nephropathy and lupus nephritis, analyzes recent therapeutic developments, and outlines promising research directions, such as gas signaling molecule nanodrug delivery systems and ultrasmall nanoparticles. The current application of nanoparticles in GN is summarized to provide a reference for better treatment of GN in the future.
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Affiliation(s)
- He-Qin Zhan
- Department of Pathology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
- Department of Pathology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Xiaoxun Zhang
- Department of Pathology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Xu-Lin Chen
- Department of Burns, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Liang Cheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, People's Republic of China
| | - Xianwen Wang
- School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Medical University, Hefei, 230032, China.
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2
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Chan FHF, Goh ZZS, Zhu X, Tudor Car L, Newman S, Khan BA, Griva K. Subjective cognitive complaints in end-stage renal disease: a systematic review and meta-analysis. Health Psychol Rev 2023; 17:614-640. [PMID: 36200562 DOI: 10.1080/17437199.2022.2132980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 09/30/2022] [Indexed: 11/04/2022]
Abstract
Cognitive impairment is common in patients with end-stage renal disease (ESRD) and is associated with compromised quality of life and functional capacity, as well as worse clinical outcomes. Most previous research and reviews in this area were focused on objective cognitive impairment, whereas patients' subjective cognitive complaints (SCCs) have been less well-understood. This systematic review aimed to provide a broad overview of what is known about SCCs in adult ESRD patients. Electronic databases were searched from inception to January 2022, which identified 221 relevant studies. SCCs appear to be highly prevalent in dialysis patients and less so in those who received kidney transplantation. A random-effects meta-analysis also shows that haemodialysis patients reported significantly more SCCs than peritoneal dialysis patients (standardised mean difference -0.20, 95% confidence interval -0.38 to -0.03). Synthesis of longitudinal studies suggests that SCCs remain stable on maintenance dialysis treatment but may reduce upon receipt of kidney transplant. Furthermore, SCCs in ESRD patients have been consistently associated with hospitalisation, depression, anxiety, fatigue, and poorer quality of life. There is limited data supporting a strong relation between objective and subjective cognition but preliminary evidence suggests that this association may be domain-specific. Methodological limitations and future research directions are discussed.
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Affiliation(s)
- Frederick H F Chan
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Zack Z S Goh
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Xiaoli Zhu
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
- Nursing Services, National Healthcare Group Polyclinics, Singapore
| | - Lorainne Tudor Car
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
- Department of Primary Care and Public Health, Imperial College London School of Public Health, London, UK
| | - Stanton Newman
- School of Health Sciences, Division of Health Services Research and Management, City University of London, London, UK
| | - Behram A Khan
- National Kidney Foundation, Singapore
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Konstadina Griva
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
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3
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Cui S, Zhang B, Li L. The relationship between bullous pemphigoid and renal disease and related treatments: a review of the current literature. Expert Rev Clin Immunol 2023; 19:1407-1417. [PMID: 37707350 DOI: 10.1080/1744666x.2023.2249238] [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: 04/22/2023] [Accepted: 08/14/2023] [Indexed: 09/15/2023]
Abstract
INTRODUCTION Bullous pemphigoid (BP) is the most common autoimmune subepidermal blistering disorder in older adults. There is increasing evidence that BP has connections with renal diseases, such as glomerulopathy and neoplasm; it is also linked to the receipt of renal replacement therapy. AREAS COVERED In this review, we summarize the current evidence that BP is a comorbidity of common renal diseases. Furthermore, our exploration of the characteristics and possible mechanisms underlying these connections provides insights that may facilitate the prevention, diagnosis, and management of BP. EXPERT OPINION There is mounting proof that BP is not just a skin immunological disorder but rather a systemic immune-mediated illness. Quantities of case reports focused on BP as a renal disease comorbidity and the coexistence of them is not accidental. However, the underlying mechanisms are still needed to be investigated. Clinicians should be alert to the comorbidities in order to facilitate effective treatment and improve patient prognosis.
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Affiliation(s)
- Shengnan Cui
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
| | - Bingjie Zhang
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
| | - Li Li
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
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4
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Suryantoro SD, Thaha M, Sutanto H, Firdausa S. Current Insights into Cellular Determinants of Peritoneal Fibrosis in Peritoneal Dialysis: A Narrative Review. J Clin Med 2023; 12:4401. [PMID: 37445436 DOI: 10.3390/jcm12134401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/16/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Peritoneal fibrosis is the final process of progressive changes in the peritoneal membrane due to chronic inflammation and infection. It is one of the main causes of discontinuation of peritoneal dialysis (PD), apart from peritonitis and cardiovascular complications. Over time, morphological changes occur in the peritoneal membranes of patients who use PD. Of those are mesothelial-to-mesenchymal transition (MMT), neoangiogenesis, sub-mesothelial fibrosis, and hyalinizing vasculopathy. Several key molecules are involved in the complex pathophysiology of peritoneal fibrosis, including advanced glycosylation end products (AGEs), transforming growth factor beta (TGF-β), and vascular endothelial growth factor (VEGF). This narrative review will first discuss the physiology of the peritoneum and PD. Next, the multifaceted pathophysiology of peritoneal fibrosis, including the effects of hyperglycemia and diabetes mellitus on the peritoneal membrane, and the promising biomarkers of peritoneal fibrosis will be reviewed. Finally, the current and future management of peritoneal fibrosis will be discussed, including the potential benefits of new-generation glucose-lowering medications to prevent or slow down the progression of peritoneal fibrosis.
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Affiliation(s)
- Satriyo Dwi Suryantoro
- Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
- Universitas Airlangga Hospital, Surabaya 60115, Indonesia
| | - Mochammad Thaha
- Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
- Universitas Airlangga Hospital, Surabaya 60115, Indonesia
| | - Henry Sutanto
- Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
| | - Sarah Firdausa
- Department of Internal Medicine, Faculty of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
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Azevedo R, Gennaro D, Duro M, Pinto E, Almeida A. Further Evidence on Trace Element Imbalances in Haemodialysis Patients-Paired Analysis of Blood and Serum Samples. Nutrients 2023; 15:nu15081912. [PMID: 37111132 PMCID: PMC10145991 DOI: 10.3390/nu15081912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/05/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
Previous studies have shown that haemodialysis patients have an increased risk of trace element imbalances. Most studies have determined the concentration of trace elements in serum only, but most trace elements are not uniformly distributed between plasma and blood cells, which justifies separate analysis of the different compartments. In this study, we determined both the serum and whole blood concentration of a wide panel of trace elements (Li, B, Mn, Co, Ni, Cu, Zn, Se, Rb, Sr, Mo, Cd, Pb) in haemodialysis patients and compared them with those of a control group. Whole blood and serum samples were collected during routine laboratory testing of patients undergoing chronic haemodialysis. For comparison purposes, samples from individuals with normal renal function were also analysed. Statistically significant differences (p < 0.05) were found between the two groups for whole blood concentrations of all analysed elements except Zn (p = 0.347). For serum, the difference between groups was statistically significant for all elements (p < 0.05). This study confirms that patients on haemodialysis tend to present significant trace element imbalances. By determining the concentration of trace elements in both whole blood and serum, it was shown that chronic haemodialysis may affect intra- and extracellular blood compartments differently.
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Affiliation(s)
- Rui Azevedo
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Davide Gennaro
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, 35131 Padova, Italy
| | - Mary Duro
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- FP-ENAS-Fernando Pessoa Energy, Environment and Health Research Unit, Fernando Pessoa University, 4249-004 Porto, Portugal
- Laboratório de Análises Clínicas Dra. Matilde Sampaio, 5200-216 Mogadouro, Portugal
- Laboratório de Análises Clínicas Vale do Sousa, 4560-547 Penafiel, Portugal
| | - Edgar Pinto
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Department of Environmental Health, ESS, Polytechnic of Porto, 4200-072 Porto, Portugal
| | - Agostinho Almeida
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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Wurm F, McKeaveney C, Corr M, Wilson A, Noble H. The psychosocial needs of adolescent and young adult kidney transplant recipients, and associated interventions: a scoping review. BMC Psychol 2022; 10:186. [PMID: 35906706 PMCID: PMC9336106 DOI: 10.1186/s40359-022-00893-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 07/05/2022] [Indexed: 12/01/2022] Open
Abstract
Background Renal transplantation is considered the gold standard treatment for end-stage kidney disease. Adolescent and young adult kidney transplant recipients have the highest rate of graft loss amongst transplanted patients. It is largely accepted this is due to psychosocial and behavioural difficulties, which impact adherence to prescribed therapies. This phenomenon is not isolated to a particular healthcare system having been observed in multiple countries across different continents. It is a global issue of concern. We sought to review the psychosocial needs of these patients, and the interventions designed to meet these needs. Methods A scoping review was conducted based on Arksey and O’Malley’s six-stage framework. Eligibility criteria included primary studies of any type that investigated the psychosocial needs of adolescent and/or young adult renal transplant recipients or studies which examined interventions designed to address these needs. Search strategies were developed and conducted on PsycINFO, PubMed, Embase, and CINAHL. Articles meeting the inclusion criteria were critically reviewed using a descriptive-analytical narrative method. Results Thirty-nine studies met our inclusion criteria, 30 of which related to psychosocial needs, and the remainder examined psychosocial interventions. Four main themes were derived from our analysis of psychosocial needs literature, as follows: the need for (1) emotional support, (2) acceptance, (3) direction, (4) equality in healthcare. 2 main themes emerged from analysis of psychosocial intervention literature, namely: psychosocial (1) capability, (2) assessment. Despite the evidence that graft health is strongly associated with psychosocial wellbeing, findings revealed a significant lack of literature investigating how best to meet psychosocial needs. Trends were observed amongst intervention studies, namely interventions of novel and non-evidenced based design, with the aim of improving medication adherence through organisational strategies and education. However, literature regarding psychosocial needs showed non-adherence to therapies was not simply a result of disorganisation or lack of understanding, but rather, was founded on a recipient’s idiosyncratic relationship with their prescribed therapies e.g., psychological, social or financial reasons for non-adherence. Conclusions Future research should be directed at investigating the efficacy of evidence-based interventions that empower the individual patient to overcome their specific barrier to an optimal relationship with their therapies.
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Affiliation(s)
- Fina Wurm
- Medical Biology Centre, School of Nursing and Midwifery, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK.
| | - Clare McKeaveney
- Medical Biology Centre, School of Nursing and Midwifery, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
| | - Michael Corr
- Centre of Public Health, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Anna Wilson
- Medical Biology Centre, School of Nursing and Midwifery, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
| | - Helen Noble
- Medical Biology Centre, School of Nursing and Midwifery, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
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7
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Sen T, Thummer RP. The Impact of Human Microbiotas in Hematopoietic Stem Cell and Organ Transplantation. Front Immunol 2022; 13:932228. [PMID: 35874759 PMCID: PMC9300833 DOI: 10.3389/fimmu.2022.932228] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/06/2022] [Indexed: 11/18/2022] Open
Abstract
The human microbiota heavily influences most vital aspects of human physiology including organ transplantation outcomes and transplant rejection risk. A variety of organ transplantation scenarios such as lung and heart transplantation as well as hematopoietic stem cell transplantation is heavily influenced by the human microbiotas. The human microbiota refers to a rich, diverse, and complex ecosystem of bacteria, fungi, archaea, helminths, protozoans, parasites, and viruses. Research accumulating over the past decade has established the existence of complex cross-species, cross-kingdom interactions between the residents of the various human microbiotas and the human body. Since the gut microbiota is the densest, most popular, and most studied human microbiota, the impact of other human microbiotas such as the oral, lung, urinary, and genital microbiotas is often overshadowed. However, these microbiotas also provide critical and unique insights pertaining to transplantation success, rejection risk, and overall host health, across multiple different transplantation scenarios. Organ transplantation as well as the pre-, peri-, and post-transplant pharmacological regimens patients undergo is known to adversely impact the microbiotas, thereby increasing the risk of adverse patient outcomes. Over the past decade, holistic approaches to post-transplant patient care such as the administration of clinical and dietary interventions aiming at restoring deranged microbiota community structures have been gaining momentum. Examples of these include prebiotic and probiotic administration, fecal microbial transplantation, and bacteriophage-mediated multidrug-resistant bacterial decolonization. This review will discuss these perspectives and explore the role of different human microbiotas in the context of various transplantation scenarios.
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Affiliation(s)
| | - Rajkumar P. Thummer
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
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8
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Hesselmann F, Halwes M, Bongartz P, Wessling M, Cornelissen C, Schmitz-Rode T, Steinseifer U, Jansen SV, Arens J. TPMS-based membrane lung with locally-modified permeabilities for optimal flow distribution. Sci Rep 2022; 12:7160. [PMID: 35504939 PMCID: PMC9065140 DOI: 10.1038/s41598-022-11175-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 04/11/2022] [Indexed: 11/09/2022] Open
Abstract
Membrane lungs consist of thousands of hollow fiber membranes packed together as a bundle. The devices often suffer from complications because of non-uniform flow through the membrane bundle, including regions of both excessively high flow and stagnant flow. Here, we present a proof-of-concept design for a membrane lung containing a membrane module based on triply periodic minimal surfaces (TPMS). By warping the original TPMS geometries, the local permeability within any region of the module could be raised or lowered, allowing for the tailoring of the blood flow distribution through the device. By creating an iterative optimization scheme for determining the distribution of streamwise permeability inside a computational porous domain, the desired form of a lattice of TPMS elements was determined via simulation. This desired form was translated into a computer-aided design (CAD) model for a prototype device. The device was then produced via additive manufacturing in order to test the novel design against an industry-standard predicate device. Flow distribution was verifiably homogenized and residence time reduced, promising a more efficient performance and increased resistance to thrombosis. This work shows the promising extent to which TPMS can serve as a new building block for exchange processes in medical devices.
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Affiliation(s)
- Felix Hesselmann
- Department of Cardiovascular Engineering, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany.
| | - Michael Halwes
- Department of Cardiovascular Engineering, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany
| | - Patrick Bongartz
- Chair of Chemical Process Engineering, RWTH Aachen University, Forckenbeckstr. 51, 52074, Aachen, Germany
| | - Matthias Wessling
- Chair of Chemical Process Engineering, RWTH Aachen University, Forckenbeckstr. 51, 52074, Aachen, Germany.,DWI-Leibniz Institute for Interactive Materials, RWTH Aachen University, Forckenbeckstr. 50, 52074, Aachen, Germany
| | - Christian Cornelissen
- Department of Pneumology and Internal Intensive Care Medicine, Medical Clinic V, RWTH Aachen University Hospital, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Thomas Schmitz-Rode
- Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany
| | - Ulrich Steinseifer
- Department of Cardiovascular Engineering, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany
| | - Sebastian Victor Jansen
- Department of Cardiovascular Engineering, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany
| | - Jutta Arens
- Department of Cardiovascular Engineering, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany.,Chair of Engineering Organ Support Technologies, Department of Biomechanical Engineering, Faculty of Engineering, Technology University of Twente, Enschede, The Netherlands
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Bakal U, Sarac M, Tartar T, Aydin M, Kara A, Gurgoze MK, Kazez A. Peritoneal dialysis in children: Infectious and mechanical complications: Experience of a tertiary hospital in Elazığ, Turkey. Niger J Clin Pract 2022; 25:1227-1232. [DOI: 10.4103/njcp.njcp_1529_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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10
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Faour WH, Choaib A, Issa E, Choueiry FE, Shbaklo K, Alhajj M, Sawaya RT, Harhous Z, Alefishat E, Nader M. Mechanisms of COVID-19-induced kidney injury and current pharmacotherapies. Inflamm Res 2022; 71:39-56. [PMID: 34802072 PMCID: PMC8606168 DOI: 10.1007/s00011-021-01520-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/31/2021] [Accepted: 11/01/2021] [Indexed: 01/08/2023] Open
Abstract
The COVID-19 pandemic created a worldwide debilitating health crisis with the entire humanity suffering from the deleterious effects associated with the high infectivity and mortality rates. While significant evidence is currently available online and targets various aspects of the disease, both inflammatory and noninflammatory kidney manifestations secondary to COVID-19 infection are still largely underrepresented. In this review, we summarized current knowledge about COVID-19-related kidney manifestations, their pathologic mechanisms as well as various pharmacotherapies used to treat patients with COVID-19. We also shed light on the effect of these medications on kidney functions that can further enhance renal damage secondary to the illness.
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Affiliation(s)
- Wissam H Faour
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon.
| | - Ali Choaib
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Elio Issa
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Francesca El Choueiry
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Khodor Shbaklo
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Maryline Alhajj
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Ramy Touma Sawaya
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Zeina Harhous
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos, Lebanon
| | - Eman Alefishat
- Department of Pharmacology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Department of Biopharmaceutics and Clinical Pharmacy, School of Pharmacy, The University of Jordan, Amman, Jordan
| | - Moni Nader
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
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11
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Nouri A, Mansour-Ghanaei R, Esmaeilpour-Bandboni M, Gholami Chaboki B. Geriatric nutritional risk index in prediction of muscular strength of elderly patients undergoing hemodialysis. Int Urol Nephrol 2021; 54:1575-1581. [PMID: 34674148 DOI: 10.1007/s11255-021-03034-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 10/12/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Geriatric nutritional risk index (GNRI) is one of the new tools to determine nutritional status in the elderly. This study assessed the association between GNRI and muscular strength through handgrip strength (HGS) in patients undergoing hemodialysis. METHODS This cross-sectional analytical study assessed 110 hemodialysis patients at Guilan, North of Iran, (mean age of 70.3 ± 6.93), 57 men and 53 women through simple random sampling. Demographic characteristics, GNRI, and HGS of patients were determined. Data were analyzed using descriptive and inferential statistics, including independent t test, AVOVA, Pearson correlation, and linear multiple regression tests. RESULTS The mean values of the GNRI and HGS were 93.90 ± 11.06 and 14.82 ± 3.72, respectively. Finally, it was identified that there is a direct and significant association between GNRI and HGS (p = 0.001, r = 0.734). Linear multiple regression showed that GNRI is an independent predictor of HGS (Adj.R2 = 0.67, βGNRI = 8.13). CONCLUSION GNRI can be used as a predictor of muscular strength in hemodialysis patients.
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Affiliation(s)
- Ali Nouri
- Zeynab (P.B.U.H) School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran
| | - Roya Mansour-Ghanaei
- Zeynab (P.B.U.H) School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran. .,Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran.
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12
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Corridon PR. In vitro investigation of the impact of pulsatile blood flow on the vascular architecture of decellularized porcine kidneys. Sci Rep 2021; 11:16965. [PMID: 34417499 PMCID: PMC8379263 DOI: 10.1038/s41598-021-95924-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 07/28/2021] [Indexed: 01/11/2023] Open
Abstract
A method was established using a scaffold-bioreactor system to examine the impact pulsatile blood flow has on the decellularized porcine kidney vascular architecture and functionality. These scaffolds were subjected to continuous arterial perfusion of whole blood at normal physiological (650 ml/min and 500 ml/min) and pathophysiological (200 ml/min) rates to examine dynamic changes in venous outflow and micro-/macrovascular structure and patency. Scaffolds subjected to normal arterial perfusion rates observed drops in venous outflow over 24 h. These reductions rose from roughly 40% after 12 h to 60% after 24 h. There were no apparent signs of clotting at the renal artery, renal vein, and ureter. In comparison, venous flow rates decreased by 80% to 100% across the 24 h in acellular scaffolds hypoperfused at a rate of 200 ml/min. These kidneys also appeared intact on the surface after perfusion. However, they presented several arterial, venous, and ureteral clots. Fluoroscopic angiography confirmed substantial alterations to normal arterial branching patterns and patency, as well as parenchymal damage. Scanning electron microscopy revealed that pulsatile blood perfusion significantly disrupted glomerular microarchitecture. This study provides new insight into circumstances that limit scaffold viability and a simplified model to analyze conditions needed to prepare more durable scaffolds for long-term transplantation.
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Affiliation(s)
- Peter R Corridon
- Department of Immunology and Physiology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, UAE. .,Wake Forest Institute for Regenerative Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157-1083, USA. .,Healthcare Engineering Innovation Center, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, UAE. .,Center for Biotechnology, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, UAE.
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Fadel FI, Kotb MA, Abdel Mawla MA, Hasanin RM, Salem AM, Fathallah MG, Amr KS, Ahmed HA, Salah DM. Primary hyperoxaluria type 1 in children: Clinical classification, renal replacement therapy, and outcome in a single centre experience. Ther Apher Dial 2021; 26:162-170. [PMID: 33945205 DOI: 10.1111/1744-9987.13666] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/26/2021] [Accepted: 05/01/2021] [Indexed: 12/13/2022]
Abstract
Primary hyperoxaluria type 1 (PH1) is a rare disease that is challenged by the overproduced oxalate and commonly presented with radiopaque renal stones or obstructive uropathy. This study aimed to report clinical presentations, renal replacement therapy (RRT), and outcome of PH1 in end stage kidney disease (ESKD) children. This is an observational cohort study. Data of 22 patients with ESKD due to PH1 were analyzed at Pediatric Nephrology Unit, Faculty of Medicine Cairo University. Infantile onset patients (n = 10) had worst renal outcome (80% with ESRD at presentation, p = 0.019) and worse patient outcome (mortality 40%, p = 0.016) than juvenile (n = 9) and late onset (PH1 n = 3) patients. RRT modalities include peritoneal dialysis (PD) in 7 (31.8%), hemodialysis (HD) in 11 (50%), and combined liver kidney transplantation (CLKT) in 4 (18.2%) patients. Infectious complications were encountered in 42.8% of PD patients. Better HD adequacy was observed with frequent HD (n = 6) and/or HD via arteriovenous fistula (AVF) than with infrequent dialysis (n = 5) and/or via central venous line (CVL) (p = 0.0001 and 0.0047, respectively). Morbidity and mortality (infection related) rates of the whole cohort were 63.6% and 31.8%, respectively. Clinical presentation of PH1 varies according to the age of onset (infantile onset being the most aggressive form). Aggressive HD (better through AVF) is needed to achieve acceptable HD adequacy, PD was challenged by infection. Infection found to be the main cause of mortality even after successful CLKT.
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Affiliation(s)
- Fatina I Fadel
- Department of Pediatrics & Pediatric Nephrology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Magd A Kotb
- Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt
| | | | - Rasha M Hasanin
- Department of Pediatrics, National Research Center, Giza, Egypt
| | - Amr Mohamed Salem
- Department of Pediatrics & Pediatric Nephrology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mohamed Gamal Fathallah
- Department of Pediatrics & Pediatric Nephrology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Khalda Sayed Amr
- Department of Medical Molecular Genetics, National Research Center, Giza, Egypt
| | - Hoda Abdalla Ahmed
- Department of Medical Molecular Genetics, National Research Center, Giza, Egypt
| | - Doaa M Salah
- Department of Pediatrics & Pediatric Nephrology, Faculty of Medicine, Cairo University, Cairo, Egypt
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Fiore M, Peluso L, Taccone FS, Hites M. The impact of continuous renal replacement therapy on antibiotic pharmacokinetics in critically ill patients. Expert Opin Drug Metab Toxicol 2021; 17:543-554. [PMID: 33733979 DOI: 10.1080/17425255.2021.1902985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction: Mortality due to severe infections in critically ill patients undergoing continuous renal replacement therapy (CRRT) remains high. Nevertheless, rapid administration of adequate antibiotic therapy can improve survival. Delivering optimized antibiotic therapy can be a challenge, as standard drug regimens often result in insufficient or excessive serum concentrations due to significant changes in the volume of distribution and/or drug clearance in these patients. Insufficient drug concentrations can be responsible for therapeutic failure and death, while excessive concentrations can cause toxic adverse events.Areas covered: We performed a narrative review of the impact of CRRT on the pharmacokinetics of the most frequently used antibiotics in critically ill patients. We have provided explanations for the changes in the PKs of antibiotics observed and suggestions to optimize dosage regimens in these patients.Expert opinion: Despite considerable efforts to identify optimal antibiotic dosage regimens for critically ill patients receiving CRRT, adequate target achievement remains too low for hydrophilic antibiotics in many patients. Whenever possible, individualized therapy based on results from therapeutic drug monitoring must be given to avoid undertreatment or toxicity.
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Affiliation(s)
- Marco Fiore
- Department of Intensive Care, Hopital Erasme, Brussels, Belgium
| | - Lorenzo Peluso
- Department of Intensive Care, Hopital Erasme, Brussels, Belgium
| | | | - Maya Hites
- Department of Infectious Diseases, Hopital Erasme, Brussels, Belgium
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15
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Evaluation of Thymic Output and Regulatory T Cells in Kidney Transplant Recipients with Chronic Antibody-Mediated Rejection. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6627909. [PMID: 33628795 PMCID: PMC7889358 DOI: 10.1155/2021/6627909] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/02/2020] [Accepted: 01/23/2021] [Indexed: 01/26/2023]
Abstract
Background Regulatory T cells (Tregs) and recent thymic emigrants (RTEs) have an essential role in the regulation of allogeneic immune responses. However, their mechanisms of action in chronic antibody-mediated rejection (cAMR) are still unclear. In this study, we aimed to compare Treg and RTE levels between stable graft function (SGF) patients and cAMR subjects after kidney transplantation. Method Mononuclear cells (MNs) were separated from peripheral blood, and flow cytometry analysis was performed for detection of CD4+ and CD25high as Treg markers and CD4+, CD31+, and CD45RA+ as RTE immunophenotyping markers. Result The level of peripheral Treg cells was significantly lower in cAMR subjects in comparison to stable graft function patients. Moreover, SGF patients who had received cyclosporine A had a higher level of Treg in comparison to the tacrolimus recipients. Nevertheless, the RTE level between SGF and cAMR patients did not show any significant differences. Conclusion It seems that Treg cells are significantly associated with transplant outcomes in cAMR patients, and prescribed immunosuppressive drugs can influence the frequency of this crucial subset of T cells. Although these drugs are beneficial and inevitable for allograft maintenance, more investigations are needed to elucidate their complete effects on different immune cell subsets which some of them like Tregs are in favor of transplant tolerance. Besides, the thymic output is seemingly not a beneficial biomarker for predicting cAMR; however, more in vivo and in vitro studies are needed for revealing the precise role of Tregs and RTEs in the transplantation context.
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Guo BC, Kuo KL, Chen CH, Chen SL, Tsou TC, Lee TS. Di-(2-ethylhexyl) phthalate limits the pleiotropic effects of statins in chronic kidney disease patients undergoing dialysis and endothelial cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115548. [PMID: 32892025 DOI: 10.1016/j.envpol.2020.115548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/04/2020] [Accepted: 08/26/2020] [Indexed: 06/11/2023]
Abstract
The level of di-(2-ethylhexyl) phthalate (DEHP) is elevated in chronic kidney disease patients undergoing dialysis. However, statins are unable to reduce the cardiovascular events in chronic dialysis patients. In this study, we investigated the effects of DEHP on statin-conferred pleiotropic effects and the underlying molecular mechanism in peritoneal dialysis (PD) patients and endothelial cells (ECs). In PD patients with serum DEHP level ≥0.0687 μg/mL, statin treatment was not associated with lower risk of cardiovascular disease. In ECs, exposure to DEHP abrogated the simvastatin-induced NO bioavailability and EC-related functions. Additionally, DEHP abolished the anti-inflammatory effect of simvastatin on the tumor necrosis factor α-induced upregulation of adhesion molecules and monocyte adhesion to ECs. Mechanistically, DEHP blunted the activation of transient receptor potential vanilloid type 1 (TRPV1), which is required for NO production by simvastatin in ECs. Notably, DEHP increased the activity and expression of protein phosphatase 2B (PP2B), a negative regulator of TRPV1 activity. The effect of DEHP on PP2B activation was mediated by the activation of the NADPH oxidase/reactive oxygen species (NOX-ROS) pathway. Inhibition of PP2B activity by pharmacological antagonists prevented the inhibitory effects of DEHP on simvastatin-induced Ca2+ influx, NO bioavailability, and EC migration, proliferation, tube formation, and anti-inflammatory action. Collectively, DEHP activates the NOX-ROS-PP2B pathway, which in turns inhibits TRPV1/Ca2+-dependent signaling and abrogates the statin-conferred pleiotropic protection in ECs.
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Affiliation(s)
- Bei-Chia Guo
- Graduate Institute and Department of Physiology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ko-Lin Kuo
- Division of Nephrology, Taipei Tzuchi Hospital, The Buddhist Tzuchi Medical Foundation, New Taipei, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Chia-Hui Chen
- Graduate Institute and Department of Physiology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Shen-Liang Chen
- Department of Life Sciences, National Central University, Taoyuan, Taiwan
| | - Tsui-Chun Tsou
- National Institute of Environmental Health Sciences, National Health Research Institutes, Zhunan, Taiwan
| | - Tzong-Shyuan Lee
- Graduate Institute and Department of Physiology, College of Medicine, National Taiwan University, Taipei, Taiwan.
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Almeida A, Gajewska K, Duro M, Costa F, Pinto E. Trace element imbalances in patients undergoing chronic hemodialysis therapy - Report of an observational study in a cohort of Portuguese patients. J Trace Elem Med Biol 2020; 62:126580. [PMID: 32619919 DOI: 10.1016/j.jtemb.2020.126580] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 05/19/2020] [Accepted: 06/05/2020] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Patients with end-stage renal disease undergoing hemodialysis therapy are at risk of developing deficiencies of essential trace elements and/or overload of toxic trace elements, both of which may significantly affect their clinical status of. Those imbalances may result from the disease itself but also from the quality of the therapeutic process, namely the hemodialysis process, which has greatly evolved in the last decades. Thus, old observations that have been assumed as very well-proven have been recently questioned. In this case-control study we evaluate the current trace elements status in a group of Portuguese patients under hemodialysis therapy. MATERIAL AND METHODS Serum samples from patients (n = 93), collected for the routine periodic control of Al levels, were analyzed for a wide panel of trace elements (Li, Al, Mn, Co, Ni, Cu, Zn, Se, Rb, Sr, Mo, Cd, Ba, Pb) using inductively coupled plasma mass spectrometry technique (hemodialysis patients' group). For comparison purposes, samples of individuals with no evidence of renal disease according to standard laboratory analytical criteria (n = 50) were also analyzed (control group). RESULTS The results showed significant differences between the two groups, with higher values in hemodialysis patients group for Al (14.6 vs. 9.5 μg/L), Co, Ni, Sr, Mo (4.5 vs. 1.4 μg/L), Cd (0.058 vs. 0.025 μg/L) and Pb (0.55 vs. 0.30 μg/L); and lower values in hemodialysis patients group for Li (4.0 vs. 75.8 μg/L), Mn, Cu (943.5 vs. 1038.5 μg/L), Zn (943.5 vs. 1038.5 μg/L), Se (71.5 vs. 103.8 μg/L), Rb (202.4 vs. 300.3 μg/L) and Ba (0.65 vs. 8.7 μg/L). CONCLUSION This study confirms that hemodialysis patients tend to present significant trace elements imbalances, which may be related to the higher morbidity and mortality observed in this specific patients' group.
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Affiliation(s)
- Agostinho Almeida
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Katarzyna Gajewska
- Chair of Chemistry, Department of Analytical Chemistry, Medical University of Lublin, Lublin, Poland
| | - Mary Duro
- Faculty of Health Sciences, University Fernando Pessoa, Praça 9 de Abril 349, 4249-004 Porto, Portugal; Laboratory Dra. Matilde Sampaio, Lda., Mogadouro, Portugal
| | - Félix Costa
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Edgar Pinto
- Department of Environmental Health, School of Health, P.Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072, Porto, Portugal
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Brannigan L. Renal replacement. SOUTHERN AFRICAN JOURNAL OF ANAESTHESIA AND ANALGESIA 2020. [DOI: 10.36303/sajaa.2020.26.6.s3.2530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
There are few, if any, technological advancements in the field of medicine that have been able to transform a life-threatening condition, in this case, end-stage renal failure, from a certain and horrible death, just some 100 years ago, to a condition manageable within the confines of one’s home. This refresher course, by no means a comprehensive text on peritoneal or haemodialysis, aims to provide the reader (a pre-part one FCA candidate) with the following brief overview:
* A short history of dialysis
* The basic physiology of fluid and solute exchange employed in renal replacement therapy (RRT)
* The physical principals of RRT
* Modality
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Fasting plasma glucose, lipid ratios, and atherogenic coefficient are the risk factors for hypertension in chronic kidney disease patients on hemodialysis: A report from the Regional High Speciality Hospital of Peninsular Yucatan, Mexico. ANTHROPOLOGICAL REVIEW 2020. [DOI: 10.2478/anre-2020-0019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Chronic kidney disease (CKD) is associated with the development of cardivascular disease (CVD). CKD is one of the major public health problems in Mexico. Derived parameters of lipid profile, namely atherogenic index of plasma (AIP), atherogenic coefficient (AC), and Castelli risk index (CRI I and CRI II) are useful for predicting hypertension among CKD patients on hemodialysis that are not widely reported from Mexico. Objective of the present study was to find interrelationships among blood pressure, fasting plasma glucose (FPG), and derived parameters of lipid profile (AIP, AC, CRI-I, and CRI-II) among adult CKD patients on hemodialysis in a hospital in Yucatan, Mexico. Methods: An observational study was performed using the medical records (2016 and 2017) of 47 CKD patients on hemodialysis in the Regional High Speciality Hospital of Yucatan Peninsula (HRAEPY in Spanish acronym). Multiple linear regression models were developed to evaluate the use of FPG level and derived parameters of lipid profile (AC, CRI-I, and CRI-II) as risk factors predicting mean arterial pressure (MAP). Results showed remarkable prevalence of excess weight (55% overweight, 15% obesity) and hypertension (64%) in the sample. Correlation coeffcients and multiple linear regression models showed significant rise of blood pressure in association with elevated FPG level and derived lipid profile parameters. The results confirm the use of FPG, AC, CRI-I and CRI-II as the indicators for an early diagnosis of hypertension and related CVDs among CKD patients on hemodialysis.
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20
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Raina R, Joshi H, Chakraborty R. Changing the terminology from kidney replacement therapy to kidney support therapy. Ther Apher Dial 2020; 25:437-457. [PMID: 32945598 DOI: 10.1111/1744-9987.13584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/16/2020] [Accepted: 09/12/2020] [Indexed: 11/28/2022]
Abstract
Kidney replacement therapy (KRT) is a common supportive treatment for renal dysfunction, especially acute kidney injury. However, critically ill or immunosuppressed patients with renal dysfunction often have dysfunction in other organs as well. To improve patient outcomes, clinicians began to initiate kidney replacement therapy in situations where nonrenal conditions may lead to acute kidney injury, such as septic shock, hematopoietic stem cell transplantation, veno-occlusive renal disease, cardiopulmonary bypass, chemotherapy, tumor lysis syndrome, hyperammonemia, and various others. In this review, we discuss the use of various modes of kidney replacement therapy in treating renal and nonrenal complications to illustrate why kidney support therapy is a more appropriate terminology than kidney replacement therapy.
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Affiliation(s)
- Rupesh Raina
- Department of Nephrology, Cleveland Clinic Akron General/Akron Nephrology Associates, Akron, Ohio, USA.,Department of Nephrology, Akron Children's Hospital, Akron, Ohio, USA
| | - Hirva Joshi
- Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Ronith Chakraborty
- Department of Nephrology, Cleveland Clinic Akron General/Akron Nephrology Associates, Akron, Ohio, USA
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21
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Thyroid Pathology in End-Stage Renal Disease Patients on Hemodialysis. Diagnostics (Basel) 2020; 10:diagnostics10040245. [PMID: 32340182 PMCID: PMC7236006 DOI: 10.3390/diagnostics10040245] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 12/14/2022] Open
Abstract
Objectives: Chronic kidney disease is a rising cause of morbidity and mortality in developed countries, including end-stage renal disease (ESRD). The prevalence of thyroid comorbidities in persons with chronic kidney disease is documented higher than in normal population. The study aims to investigate the prevalence of morphological and functional thyroid disorders in patients with chronic kidney disease, with renal replacement therapy (hemodialysis). Methods: A cross-sectional study was performed on 123 consecutive patients with chronic kidney disease stage 5, on hemodialysis during a period of one month (May 2019–June 2020). All patients were enrolled for maintenance hemodialysis in B Braun Hemodialysis Center Timisoara and were examined on conventional 2B ultrasound. Thyroid blood tests were done, including serum free thyroxin (FT4), free triiodothyronine (FT3) and thyroid-stimulating hormone (TSH) at the time of starting hemodialysis. Results: We evaluated 123 patients (male to female ratio 70/53) mean age 62.2 ± 11.01, mostly above 65 years old, enrolled in the end-stage renal disease program, on renal replacement therapy. From the cohort, 76/123 presented thyroid disease, including autoimmune hypothyroidism, nodular goiter or thyroid cancer. Among them, 63 patients presented nodular goiter, including 3 thyroid cancers, confirmed by surgery and histopathological result, 22 patients had thyroid autoimmune disease. The serum thyroid-stimulating hormone levels found in the cohort was 3.36 ± 2.313 mUI/mL, which was in the normal laboratory reference range. The thyroid volume was 13 ± 7.18 mL. A single patient in the cohort presented Graves Basedow disease, under treatment and three patients present subclinical hyperthyroidism. We have found that thyroid disease risk is increased by 3.4-fold for the female gender and also the increase of body mass index (BMI) with one unit raises the risk of developing thyroid disease with 1.083 times (p = 0.018). Conclusion: To conclude, this study aimed to quantify the prevalence of thyroid disease in end-stage kidney disease population, especially nodular goiter, important for differential diagnosis in cases with secondary hyperparathyroidism. Thyroid autoimmune disease can be prevalent among these patients, as symptoms can overlap those of chronic disease and decrease the quality of life. We have found that thyroid disease has a high prevalence among patients with end-stage renal disease on hemodialysis. Thyroid goiter and nodules in ESRD patients were more prevalent than in the general population. Clinical surveillance and routine screening for thyroid disorders can improve the quality of life in these patients.
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Zhianfar L, Nadrian H, Asghari Jafarabadi M, Espahbodi F, Shaghaghi A. Effectiveness of a Multifaceted Educational Intervention to Enhance Therapeutic Regimen Adherence and Quality of Life Amongst Iranian Hemodialysis Patients: A Randomized Controlled Trial (MEITRA Study). J Multidiscip Healthc 2020; 13:361-372. [PMID: 32341649 PMCID: PMC7166073 DOI: 10.2147/jmdh.s247128] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 03/31/2020] [Indexed: 01/30/2023] Open
Abstract
Purpose A multimodal intervention designed and executed to improve therapeutic regimen adherence and quality of life in a sample of Iranian hemodialysis patients. Its feasibility and impact was assessed post intervention. Patients and Methods This randomized controlled trial (RCT) study was conducted at two hemodialysis wards of the Shahrvand hospital located in Sari, the capital city of the Mazandaran province, north of Iran. The study sample included patients with end-stage renal disease (ESRD) receiving outpatient hemodialysis treatment. Considering 10% attrition, 70 registered patients were randomly categorized into intervention and control groups. The proposed intervention included playing of relevant educational video tracks, conducting eight cognitive behavioral therapy (CBT) group sessions, and telephone-based peer support. Data were collected applying a set of questionnaires including sociodemographic, Beck Depression Inventory (BDI-SF), Multidimensional Scale of Perceived Social Support (MSPSS), Patient Satisfaction with Nursing Care Quality Questionnaire (PSNCQQ), End-Stage Renal Disease Adherence Questionnaire (ESRD-AQ) and the World Health Organization Quality of Life (WHOQOL-SF) scale. Sociodemographic and clinical data were collected at baseline in both groups and the postintervention assessment was performed in the intervention and nonintervention groups after one month and three months. Results A significant change in the self-reported depression symptoms (P=0.001), mean social support score (P=0.001), nursing care satisfaction score (P=0.001), quality of life score (P=0.001) and interdialytic weight gain (IDWG) (P=0.001) was observed among the participants in the intervention group compared to the baseline measures. The highest rise in the ESRD-AQ scores within the intervention group was observed after one month of intervention (mean difference=131.88) compared to the baseline values. Same pattern of statistically significant changes in mean scores of the intervention group’s attendants in all subscales of the ESRD-AQ were also ascertained. Conclusion This interventional study revealed that inaugurating of a feasible low-cost intervention without need to add major logistic or financial inputs into existing health-care systems, especially in resource limited contexts, is achievable. Findings of this study could provide insights into scientific basis of evidence-informed interventions applicable in the realm of health-care delivery.
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Affiliation(s)
- Leila Zhianfar
- Health Education & Promotion Department, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Haidar Nadrian
- Social Determinants of Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Asghari Jafarabadi
- Epidemiology and Biostatistics Department, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Espahbodi
- Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abdolreza Shaghaghi
- Health Education & Promotion Department, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
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Dang BV, Taylor RA, Charlton AJ, Le-Clech P, Barber TJ. Toward Portable Artificial Kidneys: The Role of Advanced Microfluidics and Membrane Technologies in Implantable Systems. IEEE Rev Biomed Eng 2020; 13:261-279. [DOI: 10.1109/rbme.2019.2933339] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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24
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Hendriks FK, Smeets JSJ, van der Sande FM, Kooman JP, van Loon LJC. Dietary Protein and Physical Activity Interventions to Support Muscle Maintenance in End-Stage Renal Disease Patients on Hemodialysis. Nutrients 2019; 11:E2972. [PMID: 31817402 PMCID: PMC6950262 DOI: 10.3390/nu11122972] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/01/2019] [Accepted: 12/03/2019] [Indexed: 01/10/2023] Open
Abstract
End-stage renal disease patients have insufficient renal clearance capacity left to adequately excrete metabolic waste products. Hemodialysis (HD) is often employed to partially replace renal clearance in these patients. However, skeletal muscle mass and strength start to decline at an accelerated rate after initiation of chronic HD therapy. An essential anabolic stimulus to allow muscle maintenance is dietary protein ingestion. Chronic HD patients generally fail to achieve recommended protein intake levels, in particular on dialysis days. Besides a low protein intake on dialysis days, the protein equivalent of a meal is extracted from the circulation during HD. Apart from protein ingestion, physical activity is essential to allow muscle maintenance. Unfortunately, most chronic HD patients have a sedentary lifestyle. Yet, physical activity and nutritional interventions to support muscle maintenance are generally not implemented in routine patient care. To support muscle maintenance in chronic HD patients, quantity and timing of protein intake should be optimized, in particular throughout dialysis days. Furthermore, implementing physical activity either during or between HD sessions may improve the muscle protein synthetic response to protein ingestion. A well-orchestrated combination of physical activity and nutritional interventions will be instrumental to preserve muscle mass in chronic HD patients.
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Affiliation(s)
- Floris K. Hendriks
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (F.K.H.)
- Department of Internal Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200 MD Maastricht, The Netherlands;
| | - Joey S. J. Smeets
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (F.K.H.)
| | - Frank M. van der Sande
- Division of Nephrology, Department of Internal Medicine, Maastricht University Medical Centre+, P.O. Box 5800, 6202 AZ Maastricht, The Netherlands
| | - Jeroen P. Kooman
- Department of Internal Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200 MD Maastricht, The Netherlands;
- Division of Nephrology, Department of Internal Medicine, Maastricht University Medical Centre+, P.O. Box 5800, 6202 AZ Maastricht, The Netherlands
| | - Luc J. C. van Loon
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (F.K.H.)
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25
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Uchida T, Kaku Y, Hayasaka H, Kofuji M, Momose N, Miyazawa H, Ueda Y, Ito K, Ookawara S, Morishita Y. Utility Of An Automatic Limulus Amebocyte Lysate Kinetic Turbidimetric Test For Endotoxin Screening Of Dialysate Samples. MEDICAL DEVICES-EVIDENCE AND RESEARCH 2019; 12:429-433. [PMID: 31632161 PMCID: PMC6789175 DOI: 10.2147/mder.s225246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 09/17/2019] [Indexed: 11/23/2022] Open
Abstract
Background Endotoxin contamination of dialysate has serious adverse effects on patients undergoing hemodialysis. Therefore, endotoxin activity in dialysate is closely monitored. Limulus amebocyte lysate (LAL) has been used as a reagent to measure endotoxin activity. Here, we investigated the efficacy of an automatic LAL kinetic turbidimetric test (Toxinometer ET-mini) for screening endotoxin activity in dialysate. Methods In total, endotoxin activity was measured in 110 dialysate samples obtained from several sites within hemodialysis circuits between June 2012 and March 2018. The results were compared with those from a conventional chromogenic substrate LAL test conducted by a clinical examination laboratory. Results Both the automatic LAL test and the chromogenic substrate LAL test had a minimum detection level of 0.001 endotoxin units (EU)/mL. Endotoxin activity levels measured via the automatic LAL test showed a strongly positive correlation (concordance correlation coefficient: 0.9933; 95% CI: 0.9902–0.9954) and good agreement (mean difference: 0.00±0.01 EU/mL) with those obtained using the chromogenic substrate LAL test. Conclusion The results suggest that the automatic LAL test may be useful for endotoxin activity screening in hemodialysis facilities.
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Affiliation(s)
- Takayuki Uchida
- Department of Clinical Engineering, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Yoshio Kaku
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Hideyuki Hayasaka
- Department of Clinical Engineering, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Masaya Kofuji
- Department of Clinical Engineering, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Naoki Momose
- Department of Clinical Engineering, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Haruhisa Miyazawa
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Yuichiro Ueda
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Kiyonori Ito
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Susumu Ookawara
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
| | - Yoshiyuki Morishita
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama-City, Saitama, Japan
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Darmayanti D, Simatupang TM, Rudito P. Patient engagement activities with health care professionals in continuous ambulatory peritoneal dialysis therapy: an exploratory pilot study. Int J Nephrol Renovasc Dis 2019; 12:103-112. [PMID: 31118739 PMCID: PMC6507902 DOI: 10.2147/ijnrd.s185691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND This pilot study aimed to explore the engagement activities between patients on continuous ambulatory peritoneal dialysis (CAPD) therapy and their health care professionals. METHODS An exploratory qualitative study was conducted. In-depth semi-structured interviews were undertaken involving four CAPD patients who were selected through purposive sampling. The participants were asked questions about their engagement experiences with their health care professionals. RESULTS Six main engagement activities were derived from the interview analysis: obtaining initial knowledge, developing knowledge and skills, feeling confident, following clinical advice, updating health condition, and supporting CAPD therapy. CONCLUSION Patients engagement activities played an important role in CAPD therapy. The engagement activities covered the cognitive, emotional, and behavioral dimensions. Obtaining initial knowledge as well as developing knowledge and skills are essential engagement activities before patients perform CAPD therapy.
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Affiliation(s)
- Dahlia Darmayanti
- Management Department, Bina Nusantara University, Jakarta, Indonesia,
- School of Business and Management, Institut Teknologi Bandung, Bandung, Indonesia,
| | - Togar M Simatupang
- School of Business and Management, Institut Teknologi Bandung, Bandung, Indonesia,
| | - Priyantono Rudito
- School of Business and Management, Institut Teknologi Bandung, Bandung, Indonesia,
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Cai G, Zheng H, Luo L, Wang Z, Jiang Z, Xu S, Lv H, Chen Y, Zhou B, Hu C. Factors Correlating to the Development of Hepatitis C Virus Infection in Hemodialysis Patients-Findings Mainly from Asiatic Populations: A Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E1453. [PMID: 31022900 PMCID: PMC6518179 DOI: 10.3390/ijerph16081453] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/17/2019] [Accepted: 04/18/2019] [Indexed: 02/07/2023]
Abstract
Hemodialysis is an effective replacement therapy for chronic renal failure patients. In recent decades, the number of hemodialysis patients has grown rapidly and some measures for preventing blood-borne diseases have been implemented, but hepatitis C virus (HCV) infection remains a significant problem. The meta-analysis published in 2009 on HCV infection-related factors was based on localized study objects, and some additional studies have been published since 2009; however, the contribution of these factors remains under dispute. Our study pooled the odds ratios (ORs) or mean standard deviations (MDs) with 95% confidence intervals (CIs) and analyzed sensitivity using Review Manager 5.1 software (5.1 version Copenhagen: The Nordic Cochrane Centre; 2011) by searching data in the PubMed, Elsevier, Springer, Wiley, and EBSCO databases. Spearman correlation analysis was performed using the SPSS package. In our meta-analysis, 1715 HCV-infected hemodialysis patients and 7093 non-HCV-infected hemodialysis patients from 44 studies were analyzed. The pooled ORs with 95% CIs were: histories of blood transfusion, 4.30 (3.11, 5.96); weekly hemodialysis times > 2, 6.00 (3.25, 11.06); kidney transplantation, 5.80 (3.95, 8.52); hemodialysis units > 2, 6.90 (2.42, 19.68); shared hemodialysis devices, 5.00 (2.35, 10.65); and drug addiction, 4.73 (1.54, 14.47). The pooled MDs with 95% CIs were duration of hemodialysis (months) 27.48 (21.67, 33.30). There was a positive correlation between duration of hemodialysis and the HCV infection rate (p < 0.01). Hemodialysis patients, especially from Asia, with shared hemodialysis devices, hemodialysis units > 2, blood transfusion, kidney transplantation, and drug addiction were at increased risk of HCV infection. The HCV infection rate increased with the duration of hemodialysis. High-risk hemodialysis patients should be monitored and receive timely screening.
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Affiliation(s)
- Gaofeng Cai
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Hongjie Zheng
- College of Medical and Technology, Zhejiang Chinese Medical University, Hangzhou 310051, China.
| | - Lan Luo
- College of Medical and Technology, Zhejiang Chinese Medical University, Hangzhou 310051, China.
| | - Zhengting Wang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Zhenggang Jiang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Shuangfei Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Huakun Lv
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
- Zhejiang provincial key laboratory of infectious disease vaccine and prevention and control, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Yongdi Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Biao Zhou
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
| | - Chonggao Hu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China.
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Goutham KTC, Harichandrakumar KT, Dhanin P, Priyamvada PS, Haridasan S, Parameswaran S. Persistent Metabolic Acidosis on Regular Hemodialysis or Peritoneal Dialysis. Indian J Nephrol 2019; 29:84-89. [PMID: 30983747 PMCID: PMC6440337 DOI: 10.4103/ijn.ijn_309_17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Metabolic acidosis is known to have adverse consequences in patients with chronic kidney disease (CKD) including protein-energy wasting, inflammation, bone disease, and disturbance in endocrine function. Unlike in the management of patients with predialysis CKD, bicarbonate levels were not being routinely monitored in dialysis patients at our center. The KDOQI guidelines recommend serum bicarbonate levels ≥22 mEq/L in patients on dialysis. We measured the predialysis serum bicarbonate levels in 100 adult patients on regular hemodialysis (HD) and 41 adult patients on peritoneal dialysis (PD). We also studied the extent of rise in serum bicarbonate levels from predialysis levels after HD in our patients. Predialysis serum bicarbonate level was <22 mEq/L in 73% of patients on HD and 12% of patients on PD. The serum bicarbonate levels remained <22 mEq/L at the end of HD in 41% of patients on HD. Thirty-nine percent of patients were on a HD schedule of thrice a week, and 93% of PD patients performed three PD exchanges a day. The dialysate bicarbonate level was 34 mEq/L. There was a significant increase in serum bicarbonate levels with HD, but the mean postdialysis bicarbonate level was 23.45 mEq/L. A very high proportion of our patients on HD continued to have uncorrected metabolic acidosis, with metabolic acidosis persisting in the immediate postdialysis period in a significant number of patients. Predialysis serum bicarbonate level needs to be monitored in patients on HD. There is an urgent need to modify HD prescription to ensure better correction of metabolic acidosis in our HD population. Compared to HD, the proportion of patients having persistent metabolic acidosis is significantly lower in PD.
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Affiliation(s)
| | | | - P Dhanin
- Department of Nephrology, JIPMER, Puducherry, India
| | | | - S Haridasan
- Department of Nephrology, JIPMER, Puducherry, India
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Mahmood M, Lip GY. Anticoagulantes orales no dependientes de la vitamina K para pacientes con fibrilación auricular e insuficiencia renal grave. Rev Esp Cardiol 2018. [DOI: 10.1016/j.recesp.2018.03.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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30
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Nonvitamin K Oral Anticoagulants in Patients With Atrial Fibrillation and Severe Renal Dysfunction. ACTA ACUST UNITED AC 2018; 71:847-855. [PMID: 29958809 DOI: 10.1016/j.rec.2018.05.015] [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: 03/07/2018] [Accepted: 03/12/2018] [Indexed: 12/17/2022]
Abstract
Both atrial fibrillation (AF) and chronic kidney disease (CKD) are highly prevalent, especially with increasing age and associated comorbidities, such as hypertension, diabetes, heart failure, and vascular disease. The relationship between both AF and CKD seems to be bidirectional: CKD predisposes to AF while onset of AF seems to lead to progression of CKD. Stroke prevention is the cornerstone of AF management, and AF patients with CKD are at higher risk of stroke, mortality, cardiac events, and bleeding. Stroke prevention requires use of oral anticoagulants, which are either vitamin K antagonists (eg, warfarin), or the nonvitamin K antagonist oral anticoagulants (NOACs). While NOACs have been shown to be effective in mild-to-moderate renal dysfunction, there are a paucity of data regarding NOACs in severe and end-stage renal dysfunction. This review first discusses the evidence for NOACs in CKD. Second, we summarize the current knowledge regarding the efficacy and safety of NOACs to prevent AF-related stroke and systemic embolism in severe and end-stage renal disease.
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31
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van Gelder MK, Mihaila SM, Jansen J, Wester M, Verhaar MC, Joles JA, Stamatialis D, Masereeuw R, Gerritsen KGF. From portable dialysis to a bioengineered kidney. Expert Rev Med Devices 2018; 15:323-336. [PMID: 29633900 DOI: 10.1080/17434440.2018.1462697] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
INTRODUCTION Since the advent of peritoneal dialysis (PD) in the 1970s, the principles of dialysis have changed little. In the coming decades, several major breakthroughs are expected. AREAS COVERED Novel wearable and portable dialysis devices for both hemodialysis (HD) and PD are expected first. The HD devices could facilitate more frequent and longer dialysis outside of the hospital, while improving patient's mobility and autonomy. The PD devices could enhance blood purification and increase technique survival of PD. Further away from clinical application is the bioartificial kidney, containing renal cells. Initially, the bioartificial kidney could be applied for extracorporeal treatment, to partly replace renal tubular endocrine, metabolic, immunoregulatory and secretory functions. Subsequently, intracorporeal treatment may become possible. EXPERT COMMENTARY Key factors for successful implementation of miniature dialysis devices are patient attitudes and cost-effectiveness. A well-functioning and safe extracorporeal blood circuit is required for HD. For PD, a double lumen PD catheter would optimize performance. Future research should focus on further miniaturization of the urea removal strategy. For the bio-artificial kidney (BAK), cost effectiveness should be determined and a general set of functional requirements should be defined for future studies. For intracorporeal application, water reabsorption will become a major challenge.
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Affiliation(s)
- Maaike K van Gelder
- a Department of Nephrology and Hypertension, University Medical Center Utrecht and Regenerative Medicine Utrecht , Utrecht University , Utrecht , The Netherlands
| | - Silvia M Mihaila
- a Department of Nephrology and Hypertension, University Medical Center Utrecht and Regenerative Medicine Utrecht , Utrecht University , Utrecht , The Netherlands.,b Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences , Utrecht University , Utrecht , The Netherlands
| | - Jitske Jansen
- b Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences , Utrecht University , Utrecht , The Netherlands
| | - Maarten Wester
- a Department of Nephrology and Hypertension, University Medical Center Utrecht and Regenerative Medicine Utrecht , Utrecht University , Utrecht , The Netherlands
| | - Marianne C Verhaar
- a Department of Nephrology and Hypertension, University Medical Center Utrecht and Regenerative Medicine Utrecht , Utrecht University , Utrecht , The Netherlands
| | - Jaap A Joles
- a Department of Nephrology and Hypertension, University Medical Center Utrecht and Regenerative Medicine Utrecht , Utrecht University , Utrecht , The Netherlands
| | - Dimitrios Stamatialis
- c (Bio)artificial organs, Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Engineering and Technical Medicine , University of Twente , Enschede , The Netherlands
| | - Roos Masereeuw
- b Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences , Utrecht University , Utrecht , The Netherlands
| | - Karin G F Gerritsen
- a Department of Nephrology and Hypertension, University Medical Center Utrecht and Regenerative Medicine Utrecht , Utrecht University , Utrecht , The Netherlands
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Benito S, Sánchez-Ortega A, Unceta N, Andrade F, Aldámiz-Echevarria L, Goicolea MA, Barrio RJ. Untargeted metabolomics for plasma biomarker discovery for early chronic kidney disease diagnosis in pediatric patients using LC-QTOF-MS. Analyst 2018; 143:4448-4458. [DOI: 10.1039/c8an00864g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Pediatric chronic kidney disease (CKD) is a clinical syndrome characterized by renal hypofunction occurring due to gradual and irreversible kidney damage that can further progress over time.
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Affiliation(s)
- S. Benito
- Department of Analytical Chemistry
- University of the Basque Country (UPV/EHU)
- Faculty of Pharmacy
- Paseo de la Universidad 7
- 01006 Vitoria-Gasteiz
| | - A. Sánchez-Ortega
- Central Service of Analysis (SGiker)
- University of the Basque Country (UPV/EHU)
- 01006 Vitoria-Gasteiz
- Spain
| | - N. Unceta
- Department of Analytical Chemistry
- University of the Basque Country (UPV/EHU)
- Faculty of Pharmacy
- Paseo de la Universidad 7
- 01006 Vitoria-Gasteiz
| | - F. Andrade
- Group of Metabolism
- BioCruces Health Research Institute
- CIBER de Enfermedades Raras (CIBERER)
- 48903 Barakaldo
- Spain
| | - L. Aldámiz-Echevarria
- Group of Metabolism
- BioCruces Health Research Institute
- CIBER de Enfermedades Raras (CIBERER)
- 48903 Barakaldo
- Spain
| | - M. A. Goicolea
- Department of Analytical Chemistry
- University of the Basque Country (UPV/EHU)
- Faculty of Pharmacy
- Paseo de la Universidad 7
- 01006 Vitoria-Gasteiz
| | - R. J. Barrio
- Department of Analytical Chemistry
- University of the Basque Country (UPV/EHU)
- Faculty of Pharmacy
- Paseo de la Universidad 7
- 01006 Vitoria-Gasteiz
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Halperin Kuhns VL, Pluznick JL. Novel differences in renal gene expression in a diet-induced obesity model. Am J Physiol Renal Physiol 2017; 314:F517-F530. [PMID: 29141937 DOI: 10.1152/ajprenal.00345.2017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Obesity is a significant risk factor for both chronic kidney disease and end-stage renal disease. To better understand disease development, we sought to identify novel genes differentially expressed early in disease progression. We first confirmed that mice fed a high-fat (HF) diet exhibit early signs of renal injury including hyperfiltration. We then performed RNA-Seq using renal cortex RNA from C57BL6/J male mice fed either HF or control (Ctrl) diet. We identified 1,134 genes differentially expressed in the cortex on HF vs. Ctrl, of which 31 genes were selected for follow-up analysis. This included the 9 most upregulated, the 11 most downregulated, and 11 genes of interest (primarily sensory receptors and G proteins). Quantitative (q)RT-PCR for these 31 genes was performed on additional male renal cortex and medulla samples, and 11 genes (including all 9 upregulated genes) were selected for further study based on qRT-PCR. We then examined expression of these 11 genes in Ctrl and HF male heart and liver samples, which demonstrated that these changes are relatively specific to the renal cortex. These 11 genes were also examined in female renal cortex, where we found that the expression changes seen in males on a HF diet are not replicated in females, even when the females are started on the diet sooner to match weight gain of the males. In sum, these data demonstrate that in a HF-diet model of early disease, novel transcriptional changes occur that are both sex specific and specific to the renal cortex.
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Affiliation(s)
| | - Jennifer L Pluznick
- Department of Physiology, Johns Hopkins University School of Medicine , Baltimore, Maryland
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D’Onofrio G, Simeoni M, Rizza P, Caroleo M, Capria M, Mazzitello G, Sacco T, Mazzuca E, Panzino MT, Cerantonio A, Segura-Garcia C, Andreucci M, De Fazio P, Fuiano G. Quality of life, clinical outcome, personality and coping in chronic hemodialysis patients. Ren Fail 2017; 39:45-53. [PMID: 27778533 PMCID: PMC6014518 DOI: 10.1080/0886022x.2016.1244077] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 09/01/2016] [Accepted: 09/16/2016] [Indexed: 12/25/2022] Open
Abstract
RATIONAL Our aim was to investigate the quality of life (QoL) in 103 patients undergoing chronic hemodialysis (HD) in an integrated assessment of clinical, personological, and adaptation parameters, also in a non-urban context. OBJECTIVES We collected data from all chronic HD patients attending four HD units. Clinical status was assessed by Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines and by Age-adjusted Charlson Comorbidity Index (ACCI). Patients completed the following questionnaires: Kidney Disease Quality of Life Short Form (KDQOL-SF), Pittsburgh Sleep Quality Index (PSQI). Personality profile and coping style were assessed by Temperament and Character Inventory (TCI) revised and Coping Inventory for Stressful Situation (CISS). Data were analyzed by conventional descriptive statistics. Multiple forward stepwise linear regression analyses were performed. MAIN FINDINGS Variables significantly associated with physical and mental components of KDQOL-SF were: intact parathyroid hormone (iPTH) (p = .004; p = .0015), typology of cohabitant (family member or not) (p = .022; p = .007), years of dialysis (p = .022; p = .048). Variables associated with mental component of KDQOL-SF were: PSQI (p = .000), task-coping (p = .000), avoidance-coping (p = .003), work status (p = .021). Principle conclusions: Our results suggest the importance of an integrated and multidirectional management of patients chronically undergoing HD and living in a non-urban context.
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Affiliation(s)
- Giuseppina D’Onofrio
- Department of Nephrology and Dialysis, Pugliese-Ciaccio Hospital of Catanzaro, Catanzaro, Italy
| | - Mariadelina Simeoni
- Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy
| | - Paolo Rizza
- Department of Psychiatry, Health Sciences, University Hospital ‘Mater Domini’, Catanzaro, Italy
| | - Mariarita Caroleo
- Department of Psychiatry, Health Sciences, University Hospital ‘Mater Domini’, Catanzaro, Italy
| | - Maria Capria
- Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy
| | | | - Tiziana Sacco
- Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy
| | - Elena Mazzuca
- Territorial Hemodialysis Unit of Catanzaro Lido, Catanzaro, Italy
| | - Maria Teresa Panzino
- Department of Nephrology and Dialysis, Pugliese-Ciaccio Hospital of Catanzaro, Catanzaro, Italy
| | - Annamaria Cerantonio
- Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy
| | - Cristina Segura-Garcia
- Department of Psychiatry, Health Sciences, University Hospital ‘Mater Domini’, Catanzaro, Italy
| | - Michele Andreucci
- Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy
| | - Pasquale De Fazio
- Department of Psychiatry, Health Sciences, University Hospital ‘Mater Domini’, Catanzaro, Italy
| | - Giorgio Fuiano
- Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy
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Torres Aguilar O, Maya Quintá R, Rodríguez Prieto G, Leal M, Castilleja Leal J. Early initiation of renal replacement therapy in acute renal injury. MEDICINA UNIVERSITARIA 2017. [DOI: 10.1016/j.rmu.2017.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Rekers NV, de Fijter J, Claas FH, Eikmans M. Mechanisms and risk assessment of steroid resistance in acute kidney transplant rejection. Transpl Immunol 2016; 38:3-14. [DOI: 10.1016/j.trim.2016.07.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 07/28/2016] [Indexed: 12/15/2022]
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Nieskens TTG, Wilmer MJ. Kidney-on-a-chip technology for renal proximal tubule tissue reconstruction. Eur J Pharmacol 2016; 790:46-56. [PMID: 27401035 DOI: 10.1016/j.ejphar.2016.07.018] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/01/2016] [Accepted: 07/08/2016] [Indexed: 12/11/2022]
Abstract
The renal proximal tubule epithelium is responsible for active secretion of endogenous and exogenous waste products from the body and simultaneous reabsorption of vital compounds from the glomerular filtrate. The complexity of this transport machinery makes investigation of processes such as tubular drug secretion a continuous challenge for researchers. Currently available renal cell culture models often lack sufficient physiological relevance and reliability. Introducing complex biological culture systems in a 3D microfluidic design improves the physiological relevance of in vitro renal proximal tubule epithelium models. Organ-on-a-chip technology provides a promising alternative, as it allows the reconstruction of a renal tubule structure. These microfluidic systems mimic the in vivo microenvironment including multi-compartmentalization and exposure to fluid shear stress. Increasing data supports that fluid shear stress impacts the phenotype and functionality of proximal tubule cultures, for which we provide an extensive background. In this review, we discuss recent developments of kidney-on-a-chip platforms with current and future applications. The improved proximal tubule functionality using 3D microfluidic systems is placed in perspective of investigating cellular signalling that can elucidate mechanistic aberrations involved in drug-induced kidney toxicity.
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Affiliation(s)
- Tom T G Nieskens
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Science, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martijn J Wilmer
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Science, Radboud University Medical Center, Nijmegen, The Netherlands.
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Pourjabari K, Makvandi M, Kaydani G, Shahbazian H, Samarbaf-Zadeh AR. Prevalence, reactivation and genotyping of John Cunningham virus among end-stage renal disease and kidney transplant patients. Future Virol 2016. [DOI: 10.2217/fvl-2016-0015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aim: Infection of John Cunningham virus (JCV) usually occurs in early childhood and can lead to progressive multifocal leukoencephalopathy in immunosuppressed individuals. In this study, prevalence, reactivation and genotypes of JCV were evaluated. Materials & methods: Overall, 128 sex-matched individuals, including 64 patients with end-stage renal disease (ESRD) and 64 kidney transplant (KT) patients were evaluated using PCR and reverse transcriptase-PCR. Results: JCV DNA was detected in the urine samples of 17.2% of KT recipients and 1.6% of ESRD patients. Reactivation of JCV was determined in 12.5% of KT patients. All JCV-DNA-positive samples belonged to Af2 genotype (subtype b). Conclusion: Rare excretion of JCV in the ESRD urine samples can be associated with kidney function. JCV shedding and reactivation occur more frequently in the first 2 years following kidney transplantation. The genotype of Af2-b is circulating among the population of Iran.
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Affiliation(s)
- Keyvan Pourjabari
- Health Research Institute, Infectious & Tropical Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Manoochehr Makvandi
- Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Gholamabbas Kaydani
- Department of Medical Laboratory, School of Paramedic, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Heshmatoallah Shahbazian
- Department of Internal Medicine, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Reza Samarbaf-Zadeh
- Health Research Institute, Infectious & Tropical Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Attanasio C, Latancia MT, Otterbein LE, Netti PA. Update on Renal Replacement Therapy: Implantable Artificial Devices and Bioengineered Organs. TISSUE ENGINEERING PART B-REVIEWS 2016; 22:330-40. [PMID: 26905099 DOI: 10.1089/ten.teb.2015.0467] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Recent advances in the fields of artificial organs and regenerative medicine are now joining forces in the areas of organ transplantation and bioengineering to solve continued challenges for patients with end-stage renal disease. The waiting lists for those needing a transplant continue to exceed demand. Dialysis, while effective, brings different challenges, including quality of life and susceptibility to infection. Unfortunately, the majority of research outputs are far from delivering satisfactory solutions. Current efforts are focused on providing a self-standing device able to recapitulate kidney function. In this review, we focus on two remarkable innovations that may offer significant clinical impact in the field of renal replacement therapy: the implantable artificial renal assist device (RAD) and the transplantable bioengineered kidney. The artificial RAD strategy utilizes micromachining techniques to fabricate a biohybrid system able to mimic renal morphology and function. The current trend in kidney bioengineering exploits the structure of the native organ to produce a kidney that is ready to be transplanted. Although these two systems stem from different technological approaches, they are both designed to be implantable, long lasting, and free standing to allow patients with kidney failure to be autonomous. However, for both of them, there are relevant issues that must be addressed before translation into clinical use and these are discussed in this review.
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Affiliation(s)
- Chiara Attanasio
- 1 Center for Advanced Biomaterials for Health Care, IIT@CRIB, Istituto Italiano di Tecnologia , Napoli, Italy
| | - Marcela T Latancia
- 2 Department of Surgery, Transplant Institute , Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Leo E Otterbein
- 2 Department of Surgery, Transplant Institute , Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Paolo A Netti
- 1 Center for Advanced Biomaterials for Health Care, IIT@CRIB, Istituto Italiano di Tecnologia , Napoli, Italy
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Burgin T, Johnson D, Chung H, Clark A, McGrath J. Analytical and Finite Element Modeling of Nanomembranes for Miniaturized, Continuous Hemodialysis. MEMBRANES 2015; 6:membranes6010006. [PMID: 26729179 PMCID: PMC4812412 DOI: 10.3390/membranes6010006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 12/28/2015] [Accepted: 12/28/2015] [Indexed: 11/24/2022]
Abstract
Hemodialysis involves large, periodic treatment doses using large-area membranes. If the permeability of dialysis membranes could be increased, it would reduce the necessary dialyzer size and could enable a wearable device that administers a continuous, low dose treatment of chronic kidney disease. This paper explores the application of ultrathin silicon membranes to this purpose, by way of analytical and finite element models of diffusive and convective transport of plasma solutes during hemodialysis, which we show to be predictive of experimental results. A proof-of-concept miniature nanomembrane dialyzer design is then proposed and analytically predicted to clear uremic toxins at near-ideal levels, as measured by several markers of dialysis adequacy. This work suggests the feasibility of miniature nanomembrane-based dialyzers that achieve therapeutic levels of uremic toxin clearance for patients with kidney failure.
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Affiliation(s)
- Tucker Burgin
- Department of Biomedical Engineering, University of Rochester, 252 Elmwood Ave, Rochester, NY 14627, USA.
| | - Dean Johnson
- Department of Biomedical Engineering, University of Rochester, 252 Elmwood Ave, Rochester, NY 14627, USA.
| | - Henry Chung
- Department of Biomedical Engineering, University of Rochester, 252 Elmwood Ave, Rochester, NY 14627, USA.
| | - Alfred Clark
- Department of Mechanical Engineering, University of Rochester, 252 Elmwood Ave, Rochester, NY 14627, USA.
| | - James McGrath
- Department of Biomedical Engineering, University of Rochester, 252 Elmwood Ave, Rochester, NY 14627, USA.
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Asinobi AO, Ademola AD, Alao MA. Haemodialysis for paediatric acute kidney injury in a low resource setting: experience from a tertiary hospital in South West Nigeria. Clin Kidney J 2015; 9:63-8. [PMID: 26798463 PMCID: PMC4720192 DOI: 10.1093/ckj/sfv112] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Accepted: 10/08/2015] [Indexed: 01/12/2023] Open
Abstract
Background Acute kidney injury (AKI) is an important cause of preventable mortality among children. Management of AKI may require renal replacement therapy (RRT) but access to RRT for children in low resource settings is limited. Our study explored the role of haemodialysis in the management of children with AKI in a low resource setting in terms of aetiology and outcomes. Methods A review of patients managed in the Paediatric Nephrology Unit, University College Hospital Ibadan, South-West Nigeria, who underwent haemodialysis for AKI from January 2006 to December 2014. Results Sixty-eight patients (55.9% males), aged 3–16 (mean ± standard deviation, 9.0 ± 3.4) years were studied. The causes of AKI were sepsis (22.1%), malaria (17.6%) and glomerulonephritis (17.6%), intravascular haemolysis—cause unknown (16.2%), G6PDH deficiency (7.4%), malignancy (8.8%) and haemoglobinopathy (5.9%). The number of sessions of haemodialysis ranged from 1 to 10 (mode = 2 sessions) over a period of 1–55 days. Mortality was 27.9% (n = 19) and was related to the aetiology of AKI (P = 0.000): no deaths among patients with intravascular haemolysis or malaria, six deaths among patients with sepsis (40%), six (50%) among the patients with glomerulonephritis, while all the patients with malignancies died. Conclusions The outcome of haemodialysis for AKI in Nigeria is relatively good and is related to the underlying aetiology of AKI. In addition to peritoneal dialysis, intermittent haemodialysis may have a role in the management of paediatric AKI in low resource settings and should be supported.
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Affiliation(s)
- Adanze O Asinobi
- Department of Paediatrics, College of Medicine, University of Ibadan, Oyo State, Nigeria; Department of Paediatrics, University College Hospital, Ibadan, Oyo State, Nigeria
| | - Adebowale D Ademola
- Department of Paediatrics, College of Medicine, University of Ibadan, Oyo State, Nigeria; Department of Paediatrics, University College Hospital, Ibadan, Oyo State, Nigeria
| | - Michael A Alao
- Department of Paediatrics , Bowen University Teaching Hospital , Ogbomoso, Oyo State , Nigeria
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Herminghaus A, Barthel F, Heinen A, Beck C, Vollmer C, Bauer I, Weidinger A, Kozlov A, Picker O. Severity of polymicrobial sepsis modulates mitochondrial function in rat liver. Mitochondrion 2015; 24:122-8. [DOI: 10.1016/j.mito.2015.08.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 08/05/2015] [Accepted: 08/10/2015] [Indexed: 01/14/2023]
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Duong CM, Olszyna DP, McLaws ML. Hepatitis B and C virus infections among patients with end stage renal disease in a low-resourced hemodialysis center in Vietnam: a cross-sectional study. BMC Public Health 2015; 15:192. [PMID: 25886623 PMCID: PMC4347907 DOI: 10.1186/s12889-015-1532-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 02/13/2015] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Hemodialysis services in Vietnam are being decentralised outside of tertiary hospitals. To identify the challenges to infection control standards for the prevention of bloodborne infections including hepatitis B virus (HBV) and hepatitis C virus (HCV) we tested the magnitude of HBV and HCV infections in the largest unit in Ho Chi Minh City servicing patients with end stage renal disease. METHODS All 113 patients provided consent HBV surface antigen (HBsAg) and HCV core antigen (HCV-coreAg) testing. Positive patients were tested for viral genotypes. All participants completed a questionnaire on demographic characteristics, risk factors and previous attendance to other hemodialysis units. RESULTS Seroprevalence of 113 patients enrolled was 7% (8/113, 95% CI 2.3%-11.8%) HBsAg, 6% (7/113, 95% CI 1.7%-10.6%) HCV-coreAg and 1% (1/113, 95% CI 0.8%-2.6%) co-infection. Having a HBV positive sexual partner significantly increased the risk of acquiring HBV (P = 0.016, Odds Ratio (OR) =29, 95% CI 2-365). Risk factors for HCV included blood transfusion (P = 0.049), multiple visits to different hemodialysis units (P = 0.048, OR = 5.7, 95% CI 1.2-27.5), frequency of hemodialysis (P = 0.029) and AST plasma levels >40 IU/L (P = 0.020, OR = 19.8, 95% CI 2.3-171). On multivariate analysis only blood transfusion remained significant risk factor for HCV (P = 0.027, adjusted OR = 1.2). CONCLUSIONS HCV screening for HCV of blood products must improve to meet the infection prevention challenges of decentralizing hemodialysis services. The level of HCV and HBV in our hemodialysis unit is a warning that universal precautions will be the next challenge for decentralised hemodialysis services in Vietnam.
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Affiliation(s)
- Cuong Minh Duong
- School of Public Health and Community Medicine, UNSW Medicine, UNSW Australia, Level 3 Samuels Building, Sydney, NSW, 2052, Australia.
| | - Dariusz Piotr Olszyna
- Division of Infectious Diseases, University Medicine Cluster, National University Health System, Singapore, Singapore.
| | - Mary-Louise McLaws
- School of Public Health and Community Medicine, UNSW Medicine, UNSW Australia, Level 3 Samuels Building, Sydney, NSW, 2052, Australia.
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Jamaludin UK, Docherty PD, Geoffrey Chase J, Shaw GM. Impact of Haemodialysis on Insulin Kinetics of Acute Kidney Injury Patients in Critical Care. J Med Biol Eng 2015; 35:125-133. [PMID: 25750607 PMCID: PMC4342528 DOI: 10.1007/s40846-015-0015-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 05/02/2014] [Indexed: 01/04/2023]
Abstract
Critically ill patients are occasionally associated with an abrupt decline in renal function secondary to their primary diagnosis. The effect and impact of haemodialysis (HD) on insulin kinetics and endogenous insulin secretion in critically ill patients remains unclear. This study investigates the insulin kinetics of patients with severe acute kidney injury (AKI) who required HD treatment and glycaemic control (GC). Evidence shows that tight GC benefits the onset and progression of renal involvement in precocious phases of diabetic nephropathy for type 2 diabetes. The main objective of GC is to reduce hyperglycaemia while determining insulin sensitivity. Insulin sensitivity (SI) is defined as the body response to the effects of insulin by lowering blood glucose levels. Particularly, this study used SI to track changes in insulin levels during HD therapy. Model-based insulin sensitivity profiles were identified for 51 critically ill patients with severe AKI on specialized relative insulin nutrition titration GC during intervals on HD (OFF/ON) and after HD (ON/OFF). The metabolic effects of HD were observed through changes in SI over the ON/OFF and OFF/ON transitions. Changes in model-based SI at the OFF/ON and ON/OFF transitions indicate changes in endogenous insulin secretion and/or changes in effective insulin clearance. Patients exhibited a median reduction of −29 % (interquartile range (IQR): [−58, 6 %], p = 0.02) in measured SI after the OFF/ON dialysis transition, and a median increase of +9 % (IQR −15 to 28 %, p = 0.7) after the ON/OFF transition. Almost 90 % of patients exhibited decreased SI at the OFF/ON transition, and 55 % exhibited increased SI at the ON/OFF transition. Results indicate that HD commencement has a significant effect on insulin pharmacokinetics at a cohort and per-patient level. These changes in metabolic behaviour are most likely caused by changes in insulin clearance or/and endogenous insulin secretion.
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Affiliation(s)
- Ummu K. Jamaludin
- Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang Malaysia
| | - Paul D. Docherty
- Department of Mechanical Engineering, Centre of Bioengineering, University of Canterbury, Private Bag 4800, Christchurch, 8140 New Zealand
| | - J. Geoffrey Chase
- Department of Mechanical Engineering, Centre of Bioengineering, University of Canterbury, Private Bag 4800, Christchurch, 8140 New Zealand
| | - Geoffrey M. Shaw
- Department of Intensive Care Christchurch School of Medicine and Health Science, PO Box 4345, Christchurch, 8140 New Zealand
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Odetunde OI, Okafor HU, Uwaezuoke SN, Ezeonwu BU, Ukoha OM. Renal replacement therapy in children in the developing world: challenges and outcome in a tertiary hospital in southeast Nigeria. ScientificWorldJournal 2014; 2014:903151. [PMID: 25436234 PMCID: PMC4243601 DOI: 10.1155/2014/903151] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 10/04/2014] [Accepted: 10/04/2014] [Indexed: 11/18/2022] Open
Abstract
A 5-year observational, retrospective study was conducted to evaluate the indications, the availability, the accessibility, the sustainability, and the outcome of children managed for acute kidney injury (AKI) and end stage kidney disease (ESKD) who required renal replacement therapy RRT in Enugu, southeast Nigeria. A total of 64 patients aged 5 months to 16 years required RRT, of which only 25 underwent RRT, giving an RRT accessibility rate of 39.1%. Eleven (44%) patients required chronic dialysis program/ renal transplant, of which only 1 (9.1%) accessed and sustained chronic hemodialysis, giving a dialysis acceptance rate of 9.1%. Fifty (78%) of the patients belonged to the low socioeconomic class. Thirty-three (51.5%) could not access RRT because of financial constraints and discharge against medical advice (DAMA); 6 (9.4%) died on admission while sourcing for funds to access the therapy; 5 (7.8%) died while on RRT; 9 (14.1%) improved and were discharged for follow-up; 1 (1.6%) improved and was discharged to be on chronic dialysis program while awaiting renal transplantation outside the country/clinic follow-up, while the remaining 10 (15.6%) were unable to sustain chronic dialysis program or access renal transplantation and were lost to follow-up. We conclude that RRT remains unaffordable within the subregion.
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Affiliation(s)
- Odutola Israel Odetunde
- Pediatric Nephrology Unit, Department of Pediatrics, University of Nigeria Teaching Hospital, PMB 01129, Enugu 400001, Nigeria
| | - Henrietta Uche Okafor
- Pediatric Nephrology Unit, Department of Pediatrics, University of Nigeria Teaching Hospital, PMB 01129, Enugu 400001, Nigeria
| | - Samuel Nkachukwu Uwaezuoke
- Pediatric Nephrology Unit, Department of Pediatrics, University of Nigeria Teaching Hospital, PMB 01129, Enugu 400001, Nigeria
| | | | - Oluchi Mildred Ukoha
- Department of Pediatrics, Enugu State University Teaching Hospital, Enugu 400261, Enugu State, Nigeria
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Zhang Z, Ni H, Fan H, Li D, Xu X. Actually delivered dose of continuous renal replacement therapy is underestimated in hemofiltration. ASAIO J 2013; 59:622-6. [PMID: 24172268 DOI: 10.1097/mat.0000436713.34635.a8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Dose determination in continuous renal replacement therapy (CRRT) is controversial. Most clinical trials use effluent flow rate as a surrogate of the dose. However, such definition may overestimate actually delivered dose due to declining filter function. The current study aimed to determine the difference between prescribed and delivered clearance and its association with transmembrane pressure. Hemofiltration was done in a mixed pre- and postdilution mode. Creatinine concentrations in serum and effluent fluid were measured simultaneously at 4, 10, 16, 28, 40, 52, and 64 hours for an individual hemofilter. Prescribed clearance (K) was estimated as the effluent flow rate corrected for predilution, and delivered clearance (Kx) was estimated using the ratio of serum and effluent creatinine. A total of 60 patients involving 248 filters were included in our analysis. The mean filter life span was 37.7 hours (standard deviation: 17.6). K overestimated Kx by 9.3% (95% confidence interval: -4.4% to 32.3%). The differences between K and Kx increased progressively over time. Transmembrane pressure was significantly correlated to the reduction with a Spearman's rho of 0.44 (p < 0.001). K significantly overestimates Kx during CRRT, and the difference increases progressively over time. Filters are recommended to be changed at 48-72 hours on a routine basis.
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Affiliation(s)
- Zhongheng Zhang
- From the Department of Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Zhejiang, P.R. China
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Senthilkumar S, Rajesh S, Jayalakshmi A, Mohan D. Biocompatibility and separation performance of carboxylated poly (ether–imide) incorporated polyacrylonitrile membranes. Sep Purif Technol 2013. [DOI: 10.1016/j.seppur.2013.01.041] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Bridges BC, Askenazi DJ, Smith J, Goldstein SL. Pediatric renal replacement therapy in the intensive care unit. Blood Purif 2012; 34:138-48. [PMID: 23095413 DOI: 10.1159/000342129] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Renal replacement therapy (RRT) is used in a wide variety of pediatric populations. In this article, we will review the advantages and disadvantages of the different RRT modalities and the technical aspects of providing pediatric RRT. In addition, we will review the use of RRT with extracorporeal membrane oxygenation, the use of continuous RRT in the critically ill child with acute kidney injury and fluid overload, and the use of RRT for the removal of toxins and treatment of inborn errors of metabolism.
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Affiliation(s)
- Brian C Bridges
- Division of Pediatric Critical Care, Vanderbilt University School of Medicine, Nashville, TN 37232-9075, USA.
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