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https://www.readbyqxmd.com/read/29148006/autogenous-forearm-loop-arteriovenous-fistula-creation
#1
Weng Jun Tang, Arman Zaharil Mat Saad
INTRODUCTION: Arteriovenous fistula is a lifeline for end-stage kidney disease patients on dialysis. The quality of the vein and artery to be used plays a crucial role in attaining a functioning, reliable and long-lasting arteriovenous fistula. The aim of the study is to present an alternative for haemodialysis access to preserve the upper arm vasculature for future use - the forearm loop arteriovenous fistula. METHODS: From October 2015 to September 2016, 202 patients with chronic kidney disease (CKD), stages 4 and 5, underwent arteriovenous fistula creation at the Universiti Sains Malaysia Hospital, Malaysia...
November 13, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29148001/an-arterioarterial-prosthetic-graft-as-an-alternative-option-for-haemodialysis-access-a-systematic-review
#2
Matthew J Grima, Bianca Vriens, Peter J Holt, Eric Chemla
INTRODUCTION: All arteriovenous fistula/grafts options should be exhausted before haemodialysis is carried out via central venous catheters (CVC). CVCs carry high morbidity and mortality risks and in some patients, the central veins could be exhausted. In these patients, an arterioarterial prosthetic loop (AAPL) or straight graft can be the only option for haemodialysis. A systematic review was thus carried out to look at the use of arterioarterial graft for haemodialysis, with regards to dialysis adequacy, complications, and patency rates...
November 10, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29139052/a-validated-patient-specific-fsi-model-for-vascular-access-in-haemodialysis
#3
A M de Villiers, A T McBride, B D Reddy, T Franz, B S Spottiswoode
The flow rate inside arteriovenous fistulas is many times higher than physiological flow and is accompanied by high wall shear stress resulting in low patency rates. A fluid-structure interaction finite element model is developed to analyse the blood flow and vessel mechanics to elucidate the mechanisms that can lead to failure. The simulations are validated against flow measurements obtained from magnetic resonance imaging data.
November 14, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29122210/strategies-to-increase-patient-safety-in-hemodialysis-application-of-the-modal-analysis-system-of-errors-and-effects-fema-system
#4
María Dolores Arenas Jiménez, Gabriel Ferre, Fernando Álvarez-Ude
BACKGROUND: Haemodialysis (HD) patients are a high-risk population group. For these patients, an error could have catastrophic consequences. Therefore, systems that ensure the safety of these patients in an environment with high technology and great interaction of the human factor is a requirement. OBJECTIVES: To show a systematic working approach, reproducible in any HD unit, which consists of recording the complications and errors that occurred during the HD session; defining which of those complications could be considered adverse event (AE), and therefore preventable; and carrying out a systematic analysis of them, as well as of underlying real or potential errors, evaluating their severity, frequency and detection; as well as establishing priorities for action (Failure Mode and Effects Analysis system [FMEA systems])...
November 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29106711/interventions-for-treating-central-venous-haemodialysis-catheter-malfunction
#5
REVIEW
Alice L Kennard, Giles D Walters, Simon H Jiang, Girish S Talaulikar
BACKGROUND: Adequate haemodialysis (HD) in people with end-stage kidney disease (ESKD) is reliant upon establishment of vascular access, which may consist of arteriovenous fistula, arteriovenous graft, or central venous catheters (CVC). Although discouraged due to high rates of infectious and thrombotic complications as well as technical issues that limit their life span, CVC have the significant advantage of being immediately usable and are the only means of vascular access in a significant number of patients...
October 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29080304/high-resolution-computational-fluid-dynamic-simulation-of-haemodialysis-cannulation-in-a-patient-specific-arteriovenous-fistula
#6
David Fulker, Bogdan Ene-Iordache, Tracie J Barber
Arteriovenous fistulae are the preferred choice of vascular access in hemodialysis patients, however complications such as stenosis can lead to access failure or recirculation, which reduces dialysis efficiency. This study utilized computational fluid dynamics on a patient specific radio-cephalic fistula under hemodialysis treatment to determine the dynamics of access recirculation and identify the presence of disturbed flow. Metrics of transverse wall shear stress and oscillatory shear index were used to characterize the disturbed flow acting on the blood vessel wall, whilst a power spectral density analysis was used to calculate the any turbulence within the access...
October 28, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29071148/minimally-invasive-basilic-vein-transposition-in-the-arm-or-forearm-for-autogenous-haemodialysis-access-a-less-morbid-alternative-to-the-conventional-technique
#7
Ankush Jairath, Abhishek Singh, Ravindra Sabnis, Arvind Ganpule, Mahesh Desai
OBJECTIVE: To devise a minimally invasive, less morbid yet effective alternative technique for basilic vein transposition (BVT) in the arm/forearm and to compare perioperative outcomes with the conventional technique. PATIENTS AND METHODS: Patients undergoing BVT in the last two years (June 2013 to June 2015) were included in the study and the results were analysed. All patients were preoperatively evaluated using colour Doppler ultrasonography performed by the operating surgeon himself...
June 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29025150/collection-and-determinants-of-patient-reported-outcome-measures-in-haemodialysis-patients-in-scotland
#8
Ailish Nimmo, Samira Bell, Carol Brunton, Jacqueline Campbell, Arthur Doyle, Bruce MacKinnon, Robert K Peel, Susan Robertson, Ilona Shilliday, Elaine Spalding, Jamie P Traynor, Wendy Metcalfe
Background: Patient reported outcome measures (PROMs) can evaluate the quality of health in patients with established renal failure. There is limited experience of their use within national renal registries. Aim: To describe the Scottish Renal Registry's (SRR) experience of collecting PROMS in the haemodialysis population and correlate PROMS to demographic and clinical parameters. Design: Retrospective observational cross-sectional study. Methods: Haemodialysis patients in Scotland were invited to complete the KDQOL™-36 questionnaire on the day of the annual SRR census in 2015 and 2016...
September 18, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28992899/tailored-online-cognitive-behavioural-therapy-with-or-without-therapist-support-calls-to-target-psychological-distress-in-adults-receiving-haemodialysis-a-feasibility-randomised-controlled-trial
#9
Joanna L Hudson, Rona Moss-Morris, Sam Norton, Federica Picariello, David Game, Amy Carroll, Jonathan Spencer, Paul McCrone, Matthew Hotopf, Lucy Yardley, Joseph Chilcot
BACKGROUND: Psychological distress is prevalent in haemodialysis (HD) patients yet access to psychotherapy remains limited. This study assessed the feasibility and acceptability of online cognitive-behavioural therapy (CBT) tailored for HD patients, with or without therapist support, for managing psychological distress. METHODS: This feasibility randomised controlled trial recruited patients from a UK HD centre. Following psychological distress screens, patients with mild-moderate psychological distress (Patient Health Questionnaire PHQ-9; score: 5-19 and/or Generalised Anxiety Disorder; GAD-7 score: 5-14) who met remaining inclusion criteria were approached for consent...
November 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28969180/does-selection-and-management-of-patients-with-chronic-kidney-disease-in-government-run-and-private-hospitals-differ
#10
Anoop Gowda, Aswini Raghavendra Dutt, Shobith Bangera
INTRODUCTION: Globally, incidence of Chronic Kidney Disease (CKD) is rapidly rising with huge burden on the life expectancy of the patients. Regular haemodialysis improves the quality of life in these patients. They get treatment at either government run or private sector hospitals. A difference in disease pattern, comorbidity, patient management and number of access failures can be observed in these set ups. AIM: The present study was carried out to find out selection, management and disease pattern of CKD patients admitted for dialysis in government run and private hospital...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28947453/association-of-vascular-access-flow-with-short-term-and-long-term-mortality-in-chronic-haemodialysis-patients-a-retrospective-cohort-study
#11
Chung-Kuan Wu, Chia-Lin Wu, Chia-Hsun Lin, Jyh-Gang Leu, Chew-Teng Kor, Der-Cherng Tarng
OBJECTIVES: To investigate the impact of vascular access flow (Qa) on vascular and all-cause mortality in chronic haemodialysis (HD) patients. DESIGN: Observational cohort study. SETTING: Single centre. PARTICIPANTS: Adult chronic HD patients at the HD unit of Shin Kong Wu Ho-Su Memorial Hospital between 1 January 2003 and 31 December 2003 were recruited. Patients were excluded if they had arteriovenous fistula or arteriovenous graft failure within 3 months before the date of Qa measurement, were aged <18 years and had Qa levels of ≥2000mL/min...
September 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28916306/end-to-side-versus-side-to-side-anastomosis-in-upper-limb-arteriovenous-fistula-for-dialysis-access-a-systematic-review-and-a-meta-analysis
#12
Khalid Bashar, Mekki Medani, Hiba Bashar, Khalid Ahmed, Thomas Aherne, Tony Moloney, Stewart R Walsh
BACKGROUND: An arteriovenous fistula (AVF) is the best modality for hemodialysis access. The end-to-side (ETS) technique has been suggested in the literature to produce superior results to the side-to-side (STS) approach; however, in the absence of a systematic review, this practice remains debatable. METHODS: Online search for randomized controlled trials and observational studies that compared the ETS versus the STS anastomosis techniques in creating an upper limb AVF...
September 13, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28843984/arteriovenous-fistulae-for-haemodialysis-a-systematic-review-and-meta-analysis-of-efficacy-and-safety-outcomes
#13
REVIEW
L C Bylsma, S M Gage, H Reichert, S L M Dahl, J H Lawson
BACKGROUND: Arteriovenous fistulae are the currently recommended gold standard vascular access modality for haemodialysis because of their prolonged patency, improved durability, and low risk of infection for those that mature. However, notable disadvantages are observed in terms of protracted maturation time, associated high rates of catheter use, and substantial abandonment rates. The aim of this study was to quantitatively summarize the outcomes of fistula patency, infection, maturation, and abandonment published in the scientific literature...
October 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28815975/urea-based-recirculation-validation-of-the-symmetrical-palindrome-catheter
#14
Martin Jonczyk, Christian Althoff, Torsten Slowinski, Ina Lieker, Marcel Naik, Jonas Auer, Raúl García Marcos, Ejona Duka, Bernd Hamm, Maximilian de Bucourt
BACKGROUND: High blood flow and low recirculation rates are central for adequate haemodialysis. A new symmetrical tip has been invented promising efficient haemodialysis even if the ports are reversed. OBJECTIVE: To evaluate access recirculation of the 'palindrome' catheter and to report initial experiences in a clinical setting. MATERIAL AND METHODS: After implantation of the new catheter in 20 patients (male: 14; female: 6; mean age 72 ± 12...
December 2017: Journal of Renal Care
https://www.readbyqxmd.com/read/28777398/impaired-maturation-of-arteriovenous-fistula-for-haemodialysis-due-to-forearm-artery-stenosis-percutaneous-endovascular-treatment
#15
Nicola Pirozzi, Jacopo Scrivano, Roberto Pirozzi, Emanuela Cordova, Giorgio Punzo, Paolo Menè
INTRODUCTION: Distal autogenous arteriovenous fistula (dAVF), considered the "gold standard" vascular access for haemodialysis, suffers from a high rate of impaired maturation. One of the usual causes is low-flow associated forearm arterial stenosis. In such cases, endovascular treatment by percutaneous transluminal angioplasty represents a helpful option to enable maturation of the vascular access.Currently, there are few reports concerning the treatment of this complication. Therefore, we describe our single-centre experience based on a retrospective review of prospectively collected data...
August 2, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28748414/the-effect-of-arterial-curvature-on-blood-flow-in-arterio-venous-fistulae-realistic-geometries-and-pulsatile-flow
#16
L Grechy, F Iori, R W Corbett, W Gedroyc, N Duncan, C G Caro, P E Vincent
Arterio-Venous Fistulae (AVF) are regarded as the "gold standard" method of vascular access for patients with End-Stage Renal Disease (ESRD) who require haemodialysis. However, up to 60% of AVF do not mature, and hence fail, as a result of Intimal Hyperplasia (IH). Unphysiological flow and oxygen transport patterns, associated with the unnatural and often complex geometries of AVF, are believed to be implicated in the development of IH. Previous studies have investigated the effect of arterial curvature on blood flow in AVF using idealized planar AVF configurations and non-pulsatile inflow conditions...
September 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28745968/a-guide-to-vascular-access-in-haemodialysis-patients
#17
Wilfredo Manuel
No abstract text is available yet for this article.
July 27, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28721509/maintaining-patency-of-vascular-access-for-haemodialysis
#18
Nicholas Inston, J Al Shakarchi, A Khawaja, R Jones
All types of vascular access, a necessity for haemodialysis, are prone to thrombosis and if untreated this results in failure. Thrombosis results from the combination of impaired blood flow, endothelial and vessel wall injury and a propensity towards pro-coagulative states, either intrinsic or aggravated by dialysis or dehydration. The treatment of access thrombosis relies on removal of the clot (thrombectomy) and treatment of the underlying problem. In most cases this is stenosis secondary to neointimal hyperplasia which can occur early (failure to mature) or later...
September 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28695556/changing-trends-in-end-stage-renal-disease-patients-with-diabetes
#19
Yimin Lu, Christina Stamm, Dina Nobre, Menno Pruijm, Daniel Teta, Anne Cherpillod, Georges Halabi, Olivier Phan, Zina Fumeaux, Roberto Bullani, Thierry Gauthier, Claudine Mathieu, Michel Burnier, Anne Zanchi
BACKGROUND: Worldwide, diabetes has become the most common cause of end-stage renal disease (ESRD), yet Swiss data are largely lacking. METHODS: This observational study examined ESRD patients with diabetes mellitus (ESRD-DM) at end of 2009 and 2014. The prevalence and characteristics of ESRD-DM patients were collected in all dialysis facilities in the Canton of Vaud of Switzerland in 2009 and in 2014, and the 5-year mortality rate was assessed. RESULTS: A total of 107 and 140 ESRD-DM patients underwent dialysis at end of 2009 and 2014, respectively...
July 11, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28691599/sheep-model-of-haemodialysis-treatment
#20
Jolanta Bujok, Tomasz Walski, Albert Czerski, Katarzyna Gałecka, Karolina Grzeszczuk-Kuć, Wojciech Zawadzki, Wojciech Witkiewicz, Małgorzata Komorowska
More than two million patients received haemodialysis (HD) in 2013. Many methods for improving dialysis therapy outcomes have been tested. Nevertheless, patients continue to experience high morbidity and mortality rates. We aimed to develop an animal model of HD treatment to study methods that would prevent the adverse effects of renal replacement therapy. The study was conducted using six male Merino sheep. The animals underwent a two-step bilateral nephrectomy, and a permanent dual-lumen catheter was inserted into the jugular vein...
January 1, 2017: Laboratory Animals
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