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AV fistula for dialysis

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https://www.readbyqxmd.com/read/27866375/pre-operative-assessment-for-arteriovenous-fistula-placement-for-dialysis
#1
REVIEW
Maria G Marques, Pedro Ponce
Native AV fistulas are considered to be the best VA for most dialysis patients. A careful preoperative process of care is essential to maximize the proportion of fistulas that achieve adequacy for dialysis. An individualized and timely evaluation of patients starts early with the identification of risk factors, followed by a physical examination which should be complemented by ultrasound vascular mapping in most cases. Vascular mapping includes any technique that leads to information on patient's inflow and outflow anatomy (± hemodynamics) as they relate to arteriovenous access creation and may predict maturation...
November 20, 2016: Seminars in Dialysis
https://www.readbyqxmd.com/read/27796026/-census-of-the-renal-and-dialysis-units-by-italian-society-of-nephrology-nephrologist-s-workload-for-renal-patient-assistance-in-italy-2014-2015
#2
Giuseppe Quintaliani, Marina Di Luca, Anteo Di Napoli, Giusto Viglino, Maurizio Postorino, Alessandro Amore, Simeone Andrulli, Antonio Bellasi, Giuliano Brunori, Erasmo Buongiorno, Santina Castellino, Alessandro D'Amelio, Luca De Nicola, Loreto Gesualdo, Domenico Di Landro, Sandro Feriozzi, Giovanni Strippoli, Ugo Teatini, Antonio Santoro
BACKGROUND: Given the public health challenge and burden of chronic kidney disease, the Italian Society of Nephrology (SIN) promoted acensusof the renal and dialysis units to analyse structural and human resources, organizational aspects, activities and workload referring to theyear 2014. METHODS: An online questionnaire, including 64 items exploring structural and human resources, organization aspects, activities and epidemiological data referred to 2014, was sent to chiefs of any renal or dialysis unit...
September 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/27678339/buttonhole-cannulation-of-the-av-fistula-a-critical-analysis-of-the-technique
#3
Pierpaolo Di Nicolò, Marina Cornacchiari, Marco Mereghetti, Anna Mudoni
As a consequence of the central role of the arteriovenous fistula for dialysis (AVF) in the clinical management of the dialysis patient the necessity to limit the puncture-related complications to extend as much as possible the life of the vascular access. Accordingly, the AVF needling technique has gained growing attention. Alongside the traditional rope ladder (RL) puncture method, the buttonhole technique (BH) is increasingly popular; this technique employs the same cannulation sites of AVF in every dialysis associated with the use of dull needles to minimize vessels damage...
September 27, 2016: Seminars in Dialysis
https://www.readbyqxmd.com/read/27630145/right-heart-catheterization-via-dialysis-arteriovenous-shunts-in-end-stage-renal-disease-patients
#4
Mu-Yang Hsieh, Tsung-Yan Chen, Lin Lin, Min-Tsun Liao, Ren-Huei Wang, Ruei-Cheng Kuo, Chao-Lun Lai, Chih-Cheng Wu
OBJECTIVES: Right heart catheterization is an important diagnostic tool but carries risks of adverse events. Little is known about the feasibility and safety of using dialysis arteriovenous (AV) shunts. We aim to evaluate the feasibility and safety of using dialysis AV shunts for access in right heart catheterization. METHODS: Hemodialysis patients who required right heart catheterization were prospectively enrolled. A 7 Fr sheath was inserted and a balloon-tipped pulmonary artery catheter was advanced for right heart catheterization...
September 15, 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27469148/the-role-of-the-kidney-foundation-of-bangladesh-in-promoting-kidney-care-in-a-resource-limited-environment
#5
Harun Ur Rashid, Sakibuzzaman Arefin, Sazid Hasan, Khurshidul Alam
BACKGROUND: Prior to 2003 in Bangladesh, ~ 80% of kidney-failure patients could not afford treatment. The Kidney Foundation Bangladesh (KFB) was formed in 2003 with an aim to create awareness, to promote prevention of kidney disease to families and population, at risk as well as offer treatment to those afflicted with kidney failure. METHODS: KFB runs a 150-bed hospital for treatment of kidney disease, dialysis, and transplantation at an affordable price. New patients visiting the OPD pay only US$ 5...
2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27423716/case-report-simultaneous-iliac-vein-bovine-pericardial-patch-venoplasty-and-creation-of-ptfe-lower-limb-av-fistula-graft-for-rescue-vascular-access
#6
Lewis Meecham, Owain Fisher, George Kirby, Richard Evans, Pauline Buxton, Jocelyn Legge, Sriram Rajagopalan, John Asquith, Arun Pherwani
PURPOSE: We present a case of external iliac vein patch venoplasty to accommodate rescue vascular access via a PTFE loop arterio-venous fistula Graft (AVG) for a patient with multiple central venous stenoses. METHODS: A 35 year old female with anti-glomerular basement membrane antibody disease required rescue vascular access for haemodialysis. Repeated occlusion and/or thrombosis of long term central venous access canulae, to facilitate dialysis, had caused stenosis of brachiocephalic veins; right external iliac vein and occlusion of the left common iliac vein...
July 13, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27312756/preoperative-vessel-mapping-in-chronic-kidney-disease-patients-a-center-experience
#7
Patrícia Barreto, Paulo Almeida, Norton de Matos, José Alexandre Queirós, Joaquim Pinheiro, Fernanda Silva, Telmo Carvalho, Rui Almeida, António Cabrita
PURPOSE: Hemodialysis (HD) is the main treatment modality in stage 5 chronic kidney disease, and vascular access planning is a crucial step in the path to dialysis treatment. Beyond detailed patient history and physical examination, duplex ultrasound (DU) evaluation is essential in preoperative vascular mapping. METHODS: A retrospective descriptive nonrandomized study was performed and included 108 end-stage kidney disease patients referred from eight HD centers to be assessed for creation of an arteriovenous (AV) access (AV fistula or AV graft)...
July 12, 2016: Journal of Vascular Access
https://www.readbyqxmd.com/read/27302448/decreased-incidence-of-clotted-av-access-in-hemodialysis-patients-after-the-implementation-of-follow-up-program
#8
Awad Magbri, Patricia McCartney, Eussera El-Magbri, Mariam El-Magbri, Taha El-Magbri
BACKGROUND & OBJECTIVES: Access monitoring and pre-emptive angioplasty is known to decrease the incidence of AVF/AVG thrombosis. The effect on increase the longevity and functionality of Arterial-Venous access (AV access) in end-stage renal disease (ESRD) patients is not settled. Thrombosis is the leading cause of vascular access complications and is almost always associated with the presence of stenosis. Percutaneous transluminal angioplasty (PTA) is an accepted treatment of stenotic lesions in AV access (NKF 2001)...
1, 2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/27263821/upper-extremity-steal-syndrome-is-associated-with-atherosclerotic-burden-and-access-configuration
#9
Elizabeth A Kudlaty, Daniel E Kendrick, Matthew T Allemang, Vikram S Kashyap, Virginia L Wong
BACKGROUND: Clinically significant steal syndrome occurs in a subset of dialysis patients with arteriovenous (AV) access. Factors associated with steal are poorly understood. Severe symptoms require access revision or sacrifice, potentially jeopardizing access options. Our objective was to review our dialysis access experience to identify factors associated with significant steal syndrome. METHODS: We reviewed all adult patients undergoing their first permanent upper extremity access, AV fistula (AVF) or AV graft (AVG), between January 2008 and July 2011 at a single center...
August 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27237405/the-efficacy-and-durability-of-the-venous-window-needle-guide-implanted-on-uncannulatable-arteriovenous-fistulas
#10
Spencer Galt, Mark Crawford, John Blebea, Eric Ladenheim, Barry Browne
BACKGROUND: The Venous Window Needle Guide (VWING; Vital Access Corp, Salt Lake City, Utah) is a surgically implanted titanium device designed to facilitate cannulation of uncannulatable dialysis access arteriovenous fistulas (AVFs) because of excessive depth, aneurysm formation, or tortuosity but that exhibit sufficient flow volume to support hemodialysis. We report the 18-month fistula patency, functionality, and complications of the use of the VWING device. METHODS: This retrospective study examined AVF patency, VWING functionality, interventions, and device infections at 18 months after VWING implantation...
September 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27082064/we-lower-blood-flow-for-intradialytic-hypotension
#11
Richard A Sherman
Whether hemodialysis is performed through a fistula, graft, or a dialysis catheter, it is a common practice to lower the dialyzer blood flow in patients who develop intradialytic hypotension. Lowering dialyzer blood flow is assumed to reduce AV access blood flow and thus increase peripheral vascular resistance tending to raise blood pressure. As a general rule, however, such a reduction in dialyzer blood flow does not lower access flow; only in the case of an intra-access stenosis could this be the case. Reducing access blood flow (in both catheter and AV accesses) did ameliorate a number of potential contributors to intradialytic hypotension when older dialysis technologies were routinely used...
July 2016: Seminars in Dialysis
https://www.readbyqxmd.com/read/26741512/pre-emptive-correction-for-haemodialysis-arteriovenous-access-stenosis
#12
REVIEW
Pietro Ravani, Robert R Quinn, Matthew J Oliver, Divya J Karsanji, Matthew T James, Jennifer M MacRae, Suetonia C Palmer, Giovanni F M Strippoli
BACKGROUND: Guidelines recommend routine arteriovenous (AV) graft and fistula surveillance (technology-based screening) in addition to clinical monitoring (physical examination) for early identification and pre-emptive correction of a stenosis before the access becomes dysfunctional. However, consequences on patient-relevant outcomes of pre-emptive correction of a stenosis in a functioning access as opposed to deferred correction, i.e. correction postponed to when the access becomes dysfunctional, are uncertain...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/26386738/vascular-access-type-and-patient-and-technique-survival-in-home-hemodialysis-patients-the-canadian-organ-replacement-register
#13
Jeffrey Perl, Sharon J Nessim, Louise M Moist, Ron Wald, Yingbo Na, Karthik K Tennankore, Christopher T Chan
BACKGROUND: While central venous catheter (CVC) use has expanded home hemodialysis (HHD) eligibility to many patients who may be unable to self-cannulate an arteriovenous (AV) access, the association between CVC use and mortality has not been directly examined among HHD patients. STUDY DESIGN: Registry-based retrospective observational cohort study. SETTING & PARTICIPANTS: Incident HHD patients in The Canadian Organ Replacement Register who had information for vascular access type (CVC vs AV access) within the first year of HHD therapy initiation...
February 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/26375630/syndrome-of-rapid-onset-esrd-accounted-for-high-hemodialysis-catheter-use-results-of-a-13-year-mayo-clinic-incident-hemodialysis-study
#14
Macaulay Onuigbo, Nneoma Agbasi
BACKGROUND: The syndrome of rapid onset end-stage renal disease (SORO-ESRD) was first described in the journal Renal Failure in 2010. This is an acute precipitate unpredictable yet irreversible ESRD following acute kidney injury (AKI), as distinct from "classic" ESRD where chronic kidney disease (CKD)-ESRD progression was linear, time-dependent, and predictable. The overall impact of SORO-ESRD on ESRD outcomes in the adult US ESRD population remains speculative and called for larger studies...
2015: Renal Failure
https://www.readbyqxmd.com/read/26354558/histopathological-changes-of-radial-artery-wall-in-patients-of-chronic-kidney-disease-stage-5-undergoing-av-fistula-formation-and-their-correlation-with-serum-ipth-levels
#15
Vidyanand Tripathi, Savita Bansal, Sharma Alok, Bansal Ravi, Amit K Devra, Sanjiv Saxena
Vascular complications arise in uremic patients in the absence of clinically significant atherosclerotic disease. Elevated serum parathyroid hormone (PTH) and abnormal calcium (Ca) and phosphorus (P) balance have been implicated in vascular damage in chronic kidney disease (CKD) patients, but there is lack of histo-pathological studies. Patients with CKD stage 5 and 5D who underwent arterio-venous fistula were included in this study. Baseline and laboratory parameters including assessment of total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, uric acid, albumin, calcium, phosphorus, intact PTH (iPTH) and vitamin D level were documented...
September 2015: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/26315798/right-brachial-to-atrial-xenograft-conduit-for-hemodialysis-access-a-case-report
#16
Tony Lu, Javier E Anaya-Ayala, Michael J Reardon, Eric K Peden, Mark G Davies
Biologic grafts may be a viable alternative to their prosthetic counterparts in the patients who have exhausted conventional access alternatives given their superior patency rates and possible resilience to infection. This is a case report of a 66-year-old woman with end-stage renal disease and human immunodeficiency virus who has had multiple failed peripheral arteriovenous (AV) fistulas and grafts as well as inferior vena caval obstruction necessitating a transhepatic catheter for hemodialysis (HD). Given the patient's comorbidities and history, a right brachial artery-to-atrial conduit was created for long-term access...
November 2015: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/26251703/usefulness-and-feasibility-of-measuring-ionized-calcium-in-haemodialysis-patients
#17
Guillaume Jean, Samuel Granjon, Eric Zaoui, Patrik Deleaval, Jean-Marc Hurot, Christie Lorriaux, Brice Mayor, Charles Chazot
BACKGROUND: Measuring blood calcium level is recommended in haemodialysis (HD) patients. The Kidney Disease Improving Global Outcomes position states that the measurement of ionized calcium (ICa) level is preferred, but in the clinical setting, due to technical difficulties, total calcium (tCa) level is preferred to ICa. AIM: The aim of this study was to test the possibility of delayed ICa analysis using frozen serum, and so to identify the factors associated with predialysis ICa level and compare the ability of tCa and Alb-Ca to predict ICa level and finally to compare the survival rate according to the three calcium measurements...
August 2015: Clinical Kidney Journal
https://www.readbyqxmd.com/read/26044895/av-fistula-creation-in-paediatric-patients-outcome-is-independent-of-demographics-and-fistula-type-reducing-usage-of-venous-catheters
#18
COMPARATIVE STUDY
Vladimir Matoussevitch, Christina Taylan, Klaus Konner, Michael Gawenda, Kathrin Kuhr, Bernd Hoppe, Jan Brunkwall
PURPOSE: Even though early transplantation is still the first-line therapy in paediatric patients with end-stage renal disease (ESRD), up to 30% of these patients still require haemodialysis (HD). Creating an arteriovenous fistula (AVF) is quite challenging, particularly in children, leading to disproportional use of catheters. In this paper, we describe our experience in the creation of AVF with currently no in-dwelling catheters in children and adolescents on HD. METHODS: From January 2009 to December 2013, there were 34 patients rated as unfit for transplantation for at least the next 6 months or who had already been on HD through a central venous catheter (CVC)...
September 2015: Journal of Vascular Access
https://www.readbyqxmd.com/read/25975965/hemodialysis-arteriovenous-vascular-access-creation-after-kidney-transplant-failure
#19
Joyce C Zhang, Ahmed Al-Jaishi, Jeffery Perl, Amit X Garg, Louise M Moist
BACKGROUND: Little is known about vascular access in patients starting hemodialysis therapy after kidney transplant failure. STUDY DESIGN: Retrospective cohort study. SETTING & PARTICIPANTS: Adult patients (aged ≥18 years) who started hemodialysis therapy in Ontario, Canada, from January 1, 2001, through December 31, 2010, after kidney transplant failure. PREDICTOR: Patient clinical and demographic characteristics...
October 2015: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/25859371/inpatient-hemodialysis-without-anticoagulation-in-adults
#20
Sheena Sahota, Roger Rodby
BACKGROUND: Anticoagulation use during hemodialysis (HD) is standard practice but issues related to an increased risk of hemorrhage associated with inpatients make this a concern. METHODS: An anticoagulation-free protocol in which (i) the dialysis circuit is aggressively primed with normal saline (NS) in an attempt to flush it of all air, (ii) blood flow during the HD treatment is maximized to up to 400 mL/min, (iii) the dialysis circuit is flushed every 15 min with 100 mL of NS, and (iv) the use of bloodlines that lack a blood-air interface was developed and used for all adult inpatient HD treatments at Rush University Medical Center...
December 2014: Clinical Kidney Journal
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