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Ohashi Y, Protack CD, Aoyagi Y, Gonzalez L, Thaxton C, Zhang W, Kano M, Bai H, Yatsula B, Alves R, Hoshina K, Schneider EB, Long X, Perry RJ, Dardik A. Heterogeneous gene expression during early arteriovenous fistula remodeling suggests that downregulation of metabolism predicts adaptive venous remodeling. Sci Rep 2024; 14:13287. [PMID: 38858395 PMCID: PMC11164895 DOI: 10.1038/s41598-024-64075-8] [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: 10/10/2023] [Accepted: 06/05/2024] [Indexed: 06/12/2024] Open
Abstract
Clinical outcomes of arteriovenous fistulae (AVF) for hemodialysis remain inadequate since biological mechanisms of AVF maturation and failure are still poorly understood. Aortocaval fistula creation (AVF group) or a sham operation (sham group) was performed in C57BL/6 mice. Venous limbs were collected on postoperative day 7 and total RNA was extracted for high throughput RNA sequencing and bioinformatic analysis. Genes in metabolic pathways were significantly downregulated in the AVF, whereas significant sex differences were not detected. Since gene expression patterns among the AVF group were heterogenous, the AVF group was divided into a 'normal' AVF (nAVF) group and an 'outliers' (OUT) group. The gene expression patterns of the nAVF and OUT groups were consistent with previously published data showing venous adaptive remodeling, whereas enrichment analyses showed significant upregulation of metabolism, inflammation and coagulation in the OUT group compared to the nAVF group, suggesting the heterogeneity during venous remodeling reflects early gene expression changes that may correlate with AVF maturation or failure. Early detection of these processes may be a translational strategy to predict fistula failure and reduce patient morbidity.
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Affiliation(s)
- Yuichi Ohashi
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
- Division of Vascular Surgery, Department of Surgery, The University of Tokyo, Tokyo, Japan
| | - Clinton D Protack
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Yukihiko Aoyagi
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Luis Gonzalez
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Carly Thaxton
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Weichang Zhang
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Masaki Kano
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
- Department of Cardiovascular Surgery, Tokyo Medical University, Tokyo, Japan
| | - Hualong Bai
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Bogdan Yatsula
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Rafael Alves
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Katsuyuki Hoshina
- Division of Vascular Surgery, Department of Surgery, The University of Tokyo, Tokyo, Japan
| | - Eric B Schneider
- Department of Surgery, Center for Health Services and Outcomes Research, Yale School of Medicine, New Haven, CT, USA
| | - Xiaochun Long
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Rachel J Perry
- Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, USA
| | - Alan Dardik
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT, USA.
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA.
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, USA.
- Surgical Service, Veterans Affairs Connecticut Healthcare System, West Haven, CT, USA.
- Yale School of Medicine, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA.
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Whitaker L, Sherman N, Ahmed I, Etkin Y. A review of the current recommendations and practices for hemodialysis access monitoring and maintenance procedures. Semin Vasc Surg 2024; 37:133-149. [PMID: 39151993 DOI: 10.1053/j.semvascsurg.2024.04.007] [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: 02/01/2024] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 08/19/2024]
Abstract
The growing number of prevalent arteriovenous (AV) accesses has been associated with an increase in the incidence of procedures being performed to maintain patency. To reduce the rate of unnecessary procedures, the 2019 Kidney Disease Outcome Quality Initiative guidelines addended the AV access surveillance recommendations, which includes clinical monitoring and assessment of dialysis adequacy alone. Abnormal clinical findings would necessitate follow-up angiography with or without confirmatory duplex ultrasound. Due to poor patency, increased surveillance schedules have been proposed to identify stenosis early and potentially prevent acute thrombotic events and AV access failure. In this review, we outlined current AV access monitoring and maintenance procedure recommendations, as described by the Centers for Medicare and Medicaid Services and 2019 Kidney Disease Outcome Quality Initiative guidelines. In addition, we highlight the findings of recently published randomized controlled trials that have examined increased surveillance schedules.
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Affiliation(s)
- Litton Whitaker
- Nuvance Health, Danbury Hospital, Danbury, CT; Northwell, 2000 Marcus Avenue, Suite 300, New Hyde Park, NY 11042-1069
| | - Nicole Sherman
- Northwell, 2000 Marcus Avenue, Suite 300, New Hyde Park, NY 11042-1069
| | - Isra Ahmed
- Northwell, 2000 Marcus Avenue, Suite 300, New Hyde Park, NY 11042-1069
| | - Yana Etkin
- Northwell, 2000 Marcus Avenue, Suite 300, New Hyde Park, NY 11042-1069.
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Anapalli SR, N. HD, Sarma P, Srikanth L, V. SK. Thrombophilic risk factors and ABO blood group profile for arteriovenous access failure in end stage kidney disease patients: a single-center experience. Ren Fail 2022; 44:34-42. [PMID: 35094650 PMCID: PMC8812770 DOI: 10.1080/0886022x.2021.2011746] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 11/11/2021] [Accepted: 11/11/2021] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Thrombosis of fistula occurs most frequently in end-stage kidney disease (ESKD) patients receiving hemodialysis. However, the role of thrombophilia in arteriovenous fistula (AVF) failure has not been well established. Hence, this study was aimed at assessing the roles of hereditary and acquired thrombophilic factors in association with AVF failure among patients with ESKD undergoing hemodialysis. METHODS A cross-sectional study was conducted on 100 ESKD patients, of whom 50 patients with well-functioning AVFs with no fistula failures earlier were enrolled as Group 1, and 50 patients who have had AVF failure were enrolled as Group 2. The hereditary factors as factor V Leiden, factor XIII, prothrombin, and methylene tetrahydrofolate reductase and the acquired factors as lipoprotein (a), fibrinogen, homocysteine, and anticardiolipin antibodies IgG and IgM were studied. RESULTS Among the hereditary factors, no statistically significant difference was observed in relation to factor V Leiden and Prothrombin (p > 0.05). However, for factor XIII and methylene tetrahydrofolate reductase, a statistically significant difference was observed between patients with well-functioning AVFs and patients who have had AVF failure (p < 0.05). We found a statistically significant increase in all the acquired factors in patients who have had AVF failure in comparison with patients with well-functioning AVFs (p < 0.001). Association between ABO blood groups and thrombophilic factors showed significant association between factor V Leiden, anticardiolipin antibody IgG and IgM and ABO blood groups (p < 0.05), whereas none of the other thrombophilic factors showed significant association (p > 0.05). CONCLUSION Thus, our study suggests significant role of acquired factors in causing AVF failure.
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Affiliation(s)
- Sunnesh Reddy Anapalli
- Department of Nephrology, Sri Venkateswara Institute of Medical Sciences, Tirupati, India
| | - Harini Devi N.
- Department of Biochemistry, Sri Venkateswara Institute of Medical Sciences, Tirupati, India
| | - Pvgk Sarma
- Department of Biotechnology, Sri Venkateswara Institute of Medical Sciences, Tirupati, India
| | - Lokanathan Srikanth
- Department of Biotechnology, Sri Venkateswara Institute of Medical Sciences, Tirupati, India
| | - Siva Kumar V.
- Department of Nephrology, Sri Venkateswara Institute of Medical Sciences, Tirupati, India
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Natale P, Palmer SC, Saglimbene VM, Ruospo M, Razavian M, Craig JC, Jardine MJ, Webster AC, Strippoli GF. Antiplatelet agents for chronic kidney disease. Cochrane Database Syst Rev 2022; 2:CD008834. [PMID: 35224730 PMCID: PMC8883339 DOI: 10.1002/14651858.cd008834.pub4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Antiplatelet agents are widely used to prevent cardiovascular events. The risks and benefits of antiplatelet agents may be different in people with chronic kidney disease (CKD) for whom occlusive atherosclerotic events are less prevalent, and bleeding hazards might be increased. This is an update of a review first published in 2013. OBJECTIVES To evaluate the benefits and harms of antiplatelet agents in people with any form of CKD, including those with CKD not receiving renal replacement therapy, patients receiving any form of dialysis, and kidney transplant recipients. SEARCH METHODS We searched the Cochrane Kidney and Transplant Register of Studies up to 13 July 2021 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov. SELECTION CRITERIA We selected randomised controlled trials of any antiplatelet agents versus placebo or no treatment, or direct head-to-head antiplatelet agent studies in people with CKD. Studies were included if they enrolled participants with CKD, or included people in broader at-risk populations in which data for subgroups with CKD could be disaggregated. DATA COLLECTION AND ANALYSIS Four authors independently extracted data from primary study reports and any available supplementary information for study population, interventions, outcomes, and risks of bias. Risk ratios (RR) and 95% confidence intervals (CI) were calculated from numbers of events and numbers of participants at risk which were extracted from each included study. The reported RRs were extracted where crude event rates were not provided. Data were pooled using the random-effects model. Confidence in the evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. MAIN RESULTS We included 113 studies, enrolling 51,959 participants; 90 studies (40,597 CKD participants) compared an antiplatelet agent with placebo or no treatment, and 29 studies (11,805 CKD participants) directly compared one antiplatelet agent with another. Fifty-six new studies were added to this 2021 update. Seven studies originally excluded from the 2013 review were included, although they had a follow-up lower than two months. Random sequence generation and allocation concealment were at low risk of bias in 16 and 22 studies, respectively. Sixty-four studies reported low-risk methods for blinding of participants and investigators; outcome assessment was blinded in 41 studies. Forty-one studies were at low risk of attrition bias, 50 studies were at low risk of selective reporting bias, and 57 studies were at low risk of other potential sources of bias. Compared to placebo or no treatment, antiplatelet agents probably reduces myocardial infarction (18 studies, 15,289 participants: RR 0.88, 95% CI 0.79 to 0.99, I² = 0%; moderate certainty). Antiplatelet agents has uncertain effects on fatal or nonfatal stroke (12 studies, 10.382 participants: RR 1.01, 95% CI 0.64 to 1.59, I² = 37%; very low certainty) and may have little or no effect on death from any cause (35 studies, 18,241 participants: RR 0.94, 95 % CI 0.84 to 1.06, I² = 14%; low certainty). Antiplatelet therapy probably increases major bleeding in people with CKD and those treated with haemodialysis (HD) (29 studies, 16,194 participants: RR 1.35, 95% CI 1.10 to 1.65, I² = 12%; moderate certainty). In addition, antiplatelet therapy may increase minor bleeding in people with CKD and those treated with HD (21 studies, 13,218 participants: RR 1.55, 95% CI 1.27 to 1.90, I² = 58%; low certainty). Antiplatelet treatment may reduce early dialysis vascular access thrombosis (8 studies, 1525 participants) RR 0.52, 95% CI 0.38 to 0.70; low certainty). Antiplatelet agents may reduce doubling of serum creatinine in CKD (3 studies, 217 participants: RR 0.39, 95% CI 0.17 to 0.86, I² = 8%; low certainty). The treatment effects of antiplatelet agents on stroke, cardiovascular death, kidney failure, kidney transplant graft loss, transplant rejection, creatinine clearance, proteinuria, dialysis access failure, loss of primary unassisted patency, failure to attain suitability for dialysis, need of intervention and cardiovascular hospitalisation were uncertain. Limited data were available for direct head-to-head comparisons of antiplatelet drugs, including prasugrel, ticagrelor, different doses of clopidogrel, abciximab, defibrotide, sarpogrelate and beraprost. AUTHORS' CONCLUSIONS Antiplatelet agents probably reduced myocardial infarction and increased major bleeding, but do not appear to reduce all-cause and cardiovascular death among people with CKD and those treated with dialysis. The treatment effects of antiplatelet agents compared with each other are uncertain.
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Affiliation(s)
- Patrizia Natale
- Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Suetonia C Palmer
- Department of Medicine, University of Otago Christchurch, Christchurch, New Zealand
| | - Valeria M Saglimbene
- Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
| | - Marinella Ruospo
- Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
| | - Mona Razavian
- Renal and Metabolic Division, The George Institute for Global Health, Newtown, Australia
| | - Jonathan C Craig
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Cochrane Kidney and Transplant, Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
| | | | - Angela C Webster
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Centre for Transplant and Renal Research, Westmead Millennium Institute, The University of Sydney at Westmead, Westmead, Australia
| | - Giovanni Fm Strippoli
- Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Cochrane Kidney and Transplant, Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
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5
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Lok CE, Huber TS, Lee T, Shenoy S, Yevzlin AS, Abreo K, Allon M, Asif A, Astor BC, Glickman MH, Graham J, Moist LM, Rajan DK, Roberts C, Vachharajani TJ, Valentini RP. KDOQI Clinical Practice Guideline for Vascular Access: 2019 Update. Am J Kidney Dis 2020; 75:S1-S164. [PMID: 32778223 DOI: 10.1053/j.ajkd.2019.12.001] [Citation(s) in RCA: 952] [Impact Index Per Article: 238.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 12/09/2019] [Indexed: 02/07/2023]
Abstract
The National Kidney Foundation's Kidney Disease Outcomes Quality Initiative (KDOQI) has provided evidence-based guidelines for hemodialysis vascular access since 1996. Since the last update in 2006, there has been a great accumulation of new evidence and sophistication in the guidelines process. The 2019 update to the KDOQI Clinical Practice Guideline for Vascular Access is a comprehensive document intended to assist multidisciplinary practitioners care for chronic kidney disease patients and their vascular access. New topics include the end-stage kidney disease "Life-Plan" and related concepts, guidance on vascular access choice, new targets for arteriovenous access (fistulas and grafts) and central venous catheters, management of specific complications, and renewed approaches to some older topics. Appraisal of the quality of the evidence was independently conducted by using a Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach, and interpretation and application followed the GRADE Evidence to Decision frameworks. As applicable, each guideline statement is accompanied by rationale/background information, a detailed justification, monitoring and evaluation guidance, implementation considerations, special discussions, and recommendations for future research.
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6
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Kazemzadeh G, Saberi A, Manani R, Sadeghipour F, Rahmani A. Effect of local papaverine on arteriovenous fistula maturation in patients with end-stage renal disease. ACTA ACUST UNITED AC 2019; 41:185-192. [PMID: 31498862 PMCID: PMC6699447 DOI: 10.1590/2175-8239-jbn-2018-0170] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 12/20/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Arteriovenous fistula (AVF) maturation is one of the main concerns in patients with end-stage renal disease (ESRD) and finding a strategy for increasing success rate and accelerating fistula maturation is valuable. The aim of this study was to evaluate the effects of papaverine injection on AVF maturation and success rate. METHOD This study was a randomized clinical trial that involved 110 patients with ESRD that were referred for AVF construction. Patients were allocated in papaverine group and control group with block randomization according to age and sex. In the case group, papaverine (0.1 or 0.2 cc) was injected locally within the subadventitia of artery and vein after proximal and distal control during AVF construction and in the control group, AVF construction was done routinely without papaverine injection. RESULTS Maturation time in case and control groups was 37.94 ± 11.49 and 44.23 ± 9.57 days, respectively (p=0.004). Hematoma was not seen in the case group but occurred in one patient in the control group. One patient of the case group developed venous hypertension. Four functional fistulas, 1 (1.8%) in the case group and 3 (5.5%) in the control group, failed to mature (p=0.618). Maturation rate did not differ between the two groups statistically (p=0.101). CONCLUSION Local papaverine injection increased vessel diameter and blood flow, increasing shearing stress in both arterial and venous segment of recently created AVF. In this way, papaverine probably can decrease AVF maturation time without an increase in complications.
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Affiliation(s)
| | - Ali Saberi
- Mashhad University of Medical Science, School of Medicine, Mashhad, Iran
| | - Reza Manani
- Zanjan University of Medical Science, Fellowship of Vascular Surgery, School of Medicine, Zanjan, Iran
| | - Fatemeh Sadeghipour
- Mashhad University of Medical Science, Vascular Surgery Research Center, Mashhad, Iran
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Gallieni M, Hollenbeck M, Inston N, Kumwenda M, Powell S, Tordoir J, Al Shakarchi J, Berger P, Bolignano D, Cassidy D, Chan TY, Dhondt A, Drechsler C, Ecder T, Finocchiaro P, Haller M, Hanko J, Heye S, Ibeas J, Jemcov T, Kershaw S, Khawaja A, Labriola L, Lomonte C, Malovrh M, Marti I Monros A, Matthew S, McGrogan D, Meyer T, Mikros S, Nistor I, Planken N, Roca-Tey R, Ross R, Troxler M, van der Veer S, Vanholder R, Vermassen F, Welander G, Wilmink T, Koobasi M, Fox J, Van Biesen W, Nagler E. Clinical practice guideline on peri- and postoperative care of arteriovenous fistulas and grafts for haemodialysis in adults. Nephrol Dial Transplant 2019; 34:ii1-ii42. [PMID: 31192372 DOI: 10.1093/ndt/gfz072] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Indexed: 01/02/2023] Open
Affiliation(s)
| | | | | | | | | | - Jan Tordoir
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | | | | | - Davide Bolignano
- Institute of Clinical Physiology of the Italian National Council of Research, Reggio Calabria, Italy.,ERBP, guideline development body of ERA-EDTA, London, UK
| | | | | | | | - Christiane Drechsler
- ERBP, guideline development body of ERA-EDTA, London, UK.,University of Würzburg, Würzburg, Germany
| | - Tevfik Ecder
- Istanbul Bilim University School of Medicine, Istanbul, Turkey
| | | | - Maria Haller
- ERBP, guideline development body of ERA-EDTA, London, UK.,Ordensklinikum Linz Elisabethinen, Linz, Austria
| | | | - Sam Heye
- Jessa Hospital, Hasselt, Belgium
| | - Jose Ibeas
- Parc Taulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | | | - Aurangzaib Khawaja
- Queen Elisabeth Hospital, University Hospitals Birmingham, West Midlands Deanery, Birmingham, UK
| | | | - Carlo Lomonte
- Miulli General Hospital, Acquaviva delle Fonti, Italy
| | | | | | | | | | | | | | - Ionut Nistor
- ERBP, guideline development body of ERA-EDTA, London, UK.,University of Medicine and Pharmacy, Iasi, Romania
| | - Nils Planken
- Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Ramon Roca-Tey
- Hospital de Mollet, Fundació Sanitària Mollet, Barcelona, Spain
| | - Rose Ross
- Ninewells Hospital Scotland, Dundee, UK
| | | | | | | | | | | | - Teun Wilmink
- Heart of England NHS foundation Trust, Birmingham, UK
| | - Muguet Koobasi
- ERBP, guideline development body of ERA-EDTA, London, UK
| | - Jonathan Fox
- ERBP, guideline development body of ERA-EDTA, London, UK.,University of Glasgow, UK
| | - Wim Van Biesen
- ERBP, guideline development body of ERA-EDTA, London, UK.,Ghent University Hospital, Ghent, Belgium
| | - Evi Nagler
- ERBP, guideline development body of ERA-EDTA, London, UK.,Ghent University Hospital, Ghent, Belgium
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8
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Effectiveness of beraprost sodium in maintaining vascular access patency in patients on hemodialysis. Int Urol Nephrol 2017; 49:1287-1295. [DOI: 10.1007/s11255-017-1586-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 04/05/2017] [Indexed: 02/06/2023]
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9
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Vlachopanos G, Ghalli FG. Antithrombotic medications in dialysis patients: a double-edged sword. J Evid Based Med 2017; 10:53-60. [PMID: 28276631 DOI: 10.1111/jebm.12235] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 09/20/2016] [Indexed: 01/11/2023]
Abstract
In the clinical context of end-stage renal disease (ESRD), thrombosis and bleeding risks are simultaneously increased and may have devastating consequences. While anticoagulant and antiplatelet drugs are indispensable for the prevention of thromboembolic events, the significantly higher bleeding risk makes their handling extremely complicated. In ESRD, they are frequently administered for a wide array of conditions. For example, atrial fibrillation is quite common in ESRD and warrants the use of anticoagulants like warfarin. Unfractionated heparin and low molecular weight heparins are typically used for clotting prevention in the hemodialysis extracorporeal circuit. The antithrombotics use dilemma has worsened because ESRD patients have been excluded from major clinical trials that defined standard indications, contraindications and optimal management of these medications. That limits our knowledge and results in that the process of decision-making depends on weaker data. Besides the substantial bleeding risk, warfarin may also increase cardiovascular risk because it is implicated in the pathogenesis of vascular calcifications in ESRD. The present article attempts to offer a comprehensive overview of practical considerations for the use of the most common antithrombotic medications in ESRD linking them, at the same time, to the best available evidence from randomized controlled trials and observational studies.
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Affiliation(s)
| | - Farid Girgis Ghalli
- Department of Nephrology and Transplantation, University Hospital of Wales, Cardiff, United Kingdom
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10
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Bashar K, Conlon PJ, Kheirelseid EAH, Aherne T, Walsh SR, Leahy A. Arteriovenous fistula in dialysis patients: Factors implicated in early and late AVF maturation failure. Surgeon 2016; 14:294-300. [PMID: 26988630 DOI: 10.1016/j.surge.2016.02.001] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Revised: 02/09/2016] [Accepted: 02/12/2016] [Indexed: 11/25/2022]
Abstract
Increasing numbers of patients are being diagnosed with end-stage renal disease (ESRD), and the demand for on haemodialysis (HD) is rising. Arteriovenous fistulae (AVFs) remain the best conduit for adequate HD, with fewer complications associated with long-term use compared to bypass grafts and central venous catheters. However, it is known that many newly formed fistulae do not mature to provide useful HD access. The paper provides a narrative overview of factors influencing the process of AVF maturation failure.
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Affiliation(s)
- Khalid Bashar
- Department of Vascular Surgery, University Hospital Limerick, Dooradoyle, Limerick, Ireland.
| | - Peter J Conlon
- Department of Nephrology, Beaumont Hospital and Royal College of Surgeons in Ireland, Ireland
| | - Elrasheid A H Kheirelseid
- Department of Vascular Surgery, Royal College of Surgeons in Ireland, and Beaumont Hospital, Dublin 9, Ireland
| | - Thomas Aherne
- Department of Vascular Surgery, University Hospital Limerick, Dooradoyle, Limerick, Ireland
| | - Stewart R Walsh
- Department of Surgery, National University of Ireland, Galway, Ireland
| | - Austin Leahy
- Department of Vascular Surgery, Royal College of Surgeons in Ireland, and Beaumont Hospital, Dublin 9, Ireland
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