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hemodialysis vascular access

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https://www.readbyqxmd.com/read/28912248/multi-disciplinary-vascular-access-care-and-access-outcomes-in-people-starting-hemodialysis-therapy
#1
Simardeep Gill, Robert Quinn, Matthew Oliver, Fareed Kamar, Rameez Kabani, Daniel Devoe, Priyanka Mysore, Neesh Pannu, Jennifer MacRae, Braden Manns, Brenda Hemmelgarn, Matthew James, Marcello Tonelli, Adriane Lewin, Ping Liu, Pietro Ravani
BACKGROUND AND OBJECTIVES: Fistulas, the preferred form of hemodialysis access, are difficult to establish and maintain. We examined the effect of a multidisciplinary vascular access team, including nurses, surgeons, and radiologists, on the probability of using a fistula catheter-free, and rates of access-related procedures in incident patients receiving hemodialysis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We examined vascular access outcomes in the first year of hemodialysis treatment before (2004-2005, preteam period) and after the implementation of an access team (2006-2008, early-team period; 2009-2011, late-team period) in the Calgary Health Region, Canada...
September 14, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28912005/proximal-radial-artery-arteriovenous-fistula-for-hemodialysis-vascular-access
#2
William C Jennings, Alexandros Mallios, Nasir Mushtaq
OBJECTIVE: This study reviewed our experience with proximal radial artery-based arteriovenous fistulas (PRA-AVFs) for hemodialysis vascular access, evaluating characteristics of the patients, functional patency, risk of steal syndrome, survival of the patient, and technical considerations. METHODS: We retrospectively analyzed our database of consecutive patients, identifying those individuals with a PRA-AVF created during a 12-year period. In addition to physical examination, all patients underwent ultrasound vessel mapping by the operating surgeon, identifying the PRA-AVF configuration and outflow target most likely to succeed...
September 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28904934/comparison-of-complications-of-arteriovenous-fistula-with-permanent-catheter-in-hemodialysis-patients-a-six-month-follow-up
#3
Ali Momeni, Saeed Mardani, Maryam Kabiri, Masoud Amiri
BACKGROUND: Arteriovenous fistula (AVF), permanent catheter (PC), and vascular graft are three vascular access types used for hemodialysis procedure. Due to insufficient reliable information on the comparison between AVF and PC, this study was conducted to compare AVF and PC regarding dialysis adequacy. MATERIALS AND METHODS: This prospective study was carried out from March, 2013 to September, 2013. In this study, 76 hemodialysis patients were enrolled and assigned to two unequal groups of AVF and PC...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28898900/the-complications-of-vascular-access-in-hemodialysis
#4
Avais Masud, Eric J Costanzo, Roman Zuckerman, Arif Asif
No abstract text is available yet for this article.
September 12, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28893450/emergency-medicine-evaluation-and-management-of-the-end-stage-renal-disease-patient
#5
REVIEW
Brit Long, Alex Koyfman, Courtney M Lee
BACKGROUND: End stage renal disease (ESRD) is increasing in the U.S., and these patients demonstrate greater all-cause mortality, cardiovascular events, and hospitalization rates when compared to those with normal renal function. These patients may experience significant complications associated with loss of renal function and dialysis. OBJECTIVE: This review evaluates complications of ESRD including cardiopulmonary, neurologic, infectious disease, vascular, and access site complications, as well as medication use in this population...
September 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28887254/factors-affecting-patency-following-successful-percutaneous-intervention-for-dysfunctional-hemodialysis-vascular-access
#6
Sung Min Kim, Heung Kyu Ko, Minsu Noh, Gi-Young Ko, Min-Ju Kim, Tae-Won Kwon, Hee Jin Kim, Yong-Pil Cho
OBJECTIVE: This study aimed to investigate the patency following initial successful percutaneous transluminal angioplasty (PTA) for untreated dysfunctional hemodialysis vascular access and to identify predictors of PTA durability. METHODS: This retrospective observational study included data of 132 consecutive initial PTA of hemodialysis vascular access in 126 patients who showed immediate technical and clinical success and had at least 1 year of follow-up data...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28868755/matrix-metalloproteinase-2-predicts-arteriovenous-fistula-failure-in-hemodialysis-patients
#7
Dacian Călin Tirinescu, Ciprian Tomuleasa, Laura Pop, Cosmina Ioana Bondor, Dan Ştefan Vlăduţiu, Ioan Mihai Paţiu, Crina Claudia Rusu, Diana Tania Moldovan, Alina Potra, Ina Maria Kacsó
In hemodialysis patients the principal cause of arteriovenous fistula dysfunction is stenosis. Matrix-metalloproteinase-2 is implicated in the pathophysiological mechanism of stenosis development. Our study tried to assess the clinical impact of this protease on arteriovenous fistula survival. Seventy-nine prevalent dialysis patients with functional arteriovenous fistulas were included in the study. The presence of stenosis and the serum levels of matrix-metalloproteinase-2 were determined at the beginning of the study...
September 3, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28868296/hemodialysis-arteriovenous-access-occlusion-using-the-amplatzer-vascular-plug-in-patients-with-intractable-arm-edema
#8
Michele Di Filippo, Danilo Barbarisi, Doriana Ferrara, Stefania Brancaccio, Luca Del Guercio, Renata Bracale, Alfredo Capuano, Giovanni Esposito, Umberto Marcello Bracale
OBJECTIVES: Vascular occlusion of hemodialysis arteriovenous access (AVA) using an Amplatzer vascular plug (AVP; St. Jude Medical, St. Paul, MN, USA) is an arising and alternative practice in selected patients; however, few reported cases can be found in the literature. Herein, we report on our experience with endovascular treatment of complicated AVA. MATERIALS AND METHODS: From September 2015 to December 2016, 3 patients at our clinic underwent an occlusion of hemodialysis AVA with 2 different Amplatzer vascular plugs: 2 patients with type II and 1 patient with type IV...
May 2017: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/28865977/safety-and-efficacy-of-polyurethane-vascular-grafts-for-early-hemodialysis-access
#9
John D Kakisis, Constantine Antonopoulos, George Mantas, Evaggelos Alexiou, Konstantina Katseni, George Sfyroeras, Konstantinos Moulakakis, George Geroulakos
BACKGROUND: Arteriovenous grafts made of polyurethane (PU) have the advantage of early cannulation obviating the placement of a central vein catheter in patients with an acute need for long-term hemodialysis. The aim of the present study was to evaluate the safety, efficacy and complication rate of PU vascular grafts for dialysis access in patients in whom early cannulation was performed. METHODS: Between January 2007 and December 2015, 125 straight brachial-axillary grafts were placed in patients with an acute thrombosis of a previous arteriovenous access...
August 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28865432/a-mixed-methods-investigation-of-incident-hemodialysis-access-in-a-safety-net-population
#10
Nicole C Rich, Shant M Vartanian, Shimi Sharief, Daniel J Freitas, Delphine S Tuot
BACKGROUND: Despite improved health outcomes associated with arteriovenous fistulas, 80% of Americans initiate hemodialysis using a catheter, influenced by low socioeconomic status among other factors. Risk factors for incident catheter use in safety-net populations are unknown. Our objective was to identify factors associated with incident catheter use among hemodialysis patients at one safety-net hospital, with a goal of informing fistula placement initiatives targeted at safety-net populations more generally...
September 2, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28860634/deficiency-of-tlr4-homologue-rp105-aggravates-outward-remodeling-in-a-murine-model-of-arteriovenous-fistula-failure
#11
Taisiya Bezhaeva, ChunYu Wong, Margreet R de Vries, Eric P van der Veer, Carla M A van Alem, Ivo Que, Reshma A Lalai, Anton-Jan van Zonneveld, Joris I Rotmans, Paul H A Quax
Arteriovenous access dysfunction is a major cause of morbidity for hemodialysis patients. The pathophysiology of arteriovenous fistula (AVF) maturation failure is associated with inflammation, impaired outward remodeling (OR) and intimal hyperplasia. RP105 is a critical physiologic regulator of TLR4 signaling in numerous cell types. In the present study, we investigated the impact of RP105 on AVF maturation, and defined cell-specific effects of RP105 on macrophages and vascular smooth muscle cells (VSMCs). Overall, RP105(-/-) mice displayed a 26% decrease in venous OR...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28854521/substitution-rate-based-screening-model-to-assess-stenosis-progression-in-experimental-stenotic-arteriovenous-grafts
#12
Chung-Dann Kan, Wei-Ling Chen, Chia-Hung Lin, Ming-Jui Wu, Yi-Chen Mai
An arteriovenous graft (AVG) has a higher patency rate in stenosis progression at the venous anastomosis site, which causes coexisting inflow and outflow stenoses. This leads to increases in blood pressure, flow velocity, and flow resistance, resulting in hemodialysis (HD) vascular access dysfunction from early clots and thrombosis to the progression of coexisting stenoses. To prevent vascular access complications such as inflow or outflow stenoses, this study proposes a novel examination method in an experimental AVG system using a substitution-rate based screening model...
August 15, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28844317/short-daily-nocturnal-and-conventional-home-hemodialysis-have-similar-patient-and-treatment-survival
#13
Karthik K Tennankore, Yingbo Na, Ron Wald, Christopher T Chan, Jeffrey Perl
Home hemodialysis (HHD) has many benefits, but less is known about relative outcomes when comparing different home-based hemodialysis modalities. Here, we compare patient and treatment survival for patients receiving short daily HHD (2-3 hours/5 plus sessions per week), nocturnal HHD (6-8 hours/5 plus sessions per week) and conventional HHD (3-6 hours/2-4 sessions per week). A nationally representative cohort of Canadian HHD patients from 1996-2012 was studied. The primary outcome was death or treatment failure (defined as a permanent return to in-center hemodialysis or peritoneal dialysis) using an intention to treat analysis and death-censored treatment failure as a secondary outcome...
August 23, 2017: Kidney International
https://www.readbyqxmd.com/read/28843984/arteriovenous-fistulae-for-haemodialysis-a-systematic-review-and-meta-analysis-of-efficacy-and-safety-outcomes
#14
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...
August 23, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28843824/venous-thromboembolism-and-vascular-access-thrombosis-in-patients-with-end-stage-renal-disease-on-maintenance-hemodialysis-cross-sectional-results-of-the-vienna-investigation-of-atrial-fibrillation-and-thromboembolism-in-patients-on-hemodialysis-vivaldi
#15
Oliver Königsbrügge, Matthias Lorenz, Martin Auinger, Sabine Schmaldienst, Renate Klauser-Braun, Josef Kletzmayr, Ella Grilz, Florian Posch, Marlies Antlanger, Ingrid Pabinger, Marcus Säemann, Cihan Ay
BACKGROUND: Patients with end-stage renal disease (ESRD) on maintenance hemodialysis (HD) are at risk for occurrence of vascular access thrombosis and venous thromboembolism (VTE). Understanding the extent of these complications and identifying risk factors can help improve management strategies. METHODS: Adult HD patients were cross-sectionally recruited into the Vienna InVestigation of AtriaL fibrillation and thromboembolism in patients on hemoDIalysis (VIVALDI)...
August 19, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28823140/pre-existing-arterial-pathologic-changes-affecting-arteriovenous-fistula-patency-and-cardiovascular-mortality-in-hemodialysis-patients
#16
REVIEW
Ja Young Lee, Young Ok Kim
The radiocephalic arteriovenous fistula (AVF) provides optimal vascular access for hemodialysis; it has a higher long-term patency rate and fewer complications than other vascular access methods. However, the AVF has a high primary failure rate. The presence of small-diameter vessels at anastomosis sites is an important risk factor for AVF failure. However, in a recent study, despite selecting an adequate artery and vein for creating an AVF by routine preoperative vascular mapping, AVF maturation and primary failure occurred...
September 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28822665/the-associations-of-hemodialysis-access-type-and-access-satisfaction-with-health-related-quality-of-life
#17
Natalie Domenick Sridharan, Larry Fish, Lan Yu, Steven Weisbord, Manisha Jhamb, Michel S Makaroun, Theodore H Yuo
OBJECTIVE: In addition to age and comorbidities, health-related quality of life (HRQOL) is known to predict mortality in hemodialysis (HD) patients. Understanding the association of vascular access type with HRQOL can help surgeons to provide patient-centered dialysis access recommendations. We sought to understand the impact of HD access type on HRQOL. METHODS: We conducted a cross-sectional prospective study of community-dwelling prevalent HD patients in Pittsburgh, Pennsylvania...
August 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28822660/prospective-randomized-study-of-long-term-hemodialysis-catheter-removal-versus-guidewire-exchange-to-treat-catheter-related-bloodstream-infection
#18
Hossam M Saleh, Mohamed M Tawfik, Hesham Abouellail
BACKGROUND: Long-term (tunneled cuffed) hemodialysis catheters are frequently used vascular access in renal failure patients. Catheter-related bloodstream infection (CRBSI) is a common complication of long-term hemodialysis catheters, with severe morbidities and high risk of mortality. Management of CRBSI by systemic antibiotics while keeping the catheter in place is not effective. Among the different modalities of CRBSI management are catheter removal (CR) and guidewire exchange (GE) of the catheter...
August 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28822538/smooth-muscle-nitric-oxide-responsiveness-and-clinical-maturation-of-hemodialysis-arteriovenous-fistulae
#19
Xiaoyong Tong, Xiuyun Hou, Christopher Wason, Tal Kopel, Richard A Cohen, Laura M Dember
The arteriovenous fistula is the preferred type of hemodialysis vascular access for patients with end-stage renal disease, but a high proportion of newly created fistulas fail to mature for use. Stenosis caused by neointimal hyperplasia often is present in fistulas with maturation failure, suggesting that local mechanisms controlling vascular smooth muscle cell (SMC) migration and proliferation are important contributors to maturation failure. SMCs cultured from explants of vein tissue obtained at the time of fistula creation from 19 patients with end-stage renal disease were studied to determine whether smooth muscle responsiveness to nitric oxide is associated with fistula maturation outcomes...
September 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28819334/cytokine-signature-in-end-stage-renal-disease-patients-on-hemodialysis
#20
Danyelle Romana Alves Rios, Melina Barros Pinheiro, Wander Valadares de Oliveira Junior, Karina Braga Gomes, Andréa Teixeira Carvalho, Olindo Assis Martins-Filho, Ana Cristina Simões E Silva, Luci Maria Sant'Ana Dusse
Hemodialysis is a modality of blood filtration in which accumulated toxins and water are removed from the body. This treatment is indicated for patients at the end stage of renal disease. Vascular access complications are responsible for 20-25% of all hospitalizations in dialyzed patients. The occurrence of thrombosis in the vascular access is a serious problem that may severely compromise or even make the hemodialysis impossible, which is vital for the patient. The aim of this study was to investigate inflammatory profile in patients undergoing hemodialysis as well as the association between these alterations and vascular access thrombosis...
2017: Disease Markers
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