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AVF for hemodialysis

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https://www.readbyqxmd.com/read/29283177/comparison-of-postoperative-ultrasound-criteria-to-predict-unassisted-use-of-arteriovenous-fistulas-for-hemodialysis
#1
Timmy Lee, Missy Magill, Steven K Burke, Andrew T Blair, Michelle L Robbin, Michael Allon
INTRODUCTION: Arteriovenous fistulas (AVF) frequently fail to mature. Postoperative ultrasounds provide objective measurements to predict unassisted AVF use for hemodialysis (unassisted use) and guide interventions to salvage nonmaturing AVFs. The optimal ultrasound criteria to assess AVF maturation are uncertain. We analyzed data from a multicenter, randomized, controlled, clinical trial to compare 2 published ultrasound maturation criteria used to predict unassisted AVF use for hemodialysis...
December 14, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29275056/the-pivotal-multicenter-trial-of-ultrasound-guided-percutaneous-arteriovenous-fistula-creation-for-hemodialysis-access
#2
Jeffrey E Hull, William C Jennings, Randy I Cooper, Umar Waheed, Matthew E Schaefer, Rajeev Narayan
PURPOSE: To evaluate safety and efficacy of arteriovenous fistulas (AVFs) created with a thermal resistance anastomosis device. MATERIALS AND METHODS: A prospective single-arm trial at 5 sites enrolled 107 patients. Patients underwent ultrasound (US)-guided anastomosis creation between the proximal radial artery and perforating vein with the Ellipsys Vascular Access System (Avenu Medical, Inc, San Juan Capistrano, California) followed by separate maturation procedures...
December 21, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29209823/autologous-arteriovenous-fistulas-for-hemodialysis-using-microsurgery-techniques-in-children-weighing-less-than-20%C3%A2-kg
#3
Vasiliki Karava, Pascal Jehanno, Theresa Kwon, Georges Deschênes, Marie-Alice Macher, Pierre Bourquelot
BACKGROUND: This study aimed to describe the efficiency and longevity of arteriovenous fistula (AVF) for hemodialysis (HD) in children weighing ≤20 kg. METHODS: We collected data of all AVFs created using microsurgery techniques between 1988 and 2015. Success was considered as the ability to use the AVF for HD. Primary and secondary patency rates were measured. RESULTS: Forty-eight AVFs (35 forearm, 13 upper arm) were created in 41 children with a median weight of 13...
December 5, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29198387/international-differences-in-the-location-and-use-of-arteriovenous-accesses-created-for-hemodialysis-results-from-the-dialysis-outcomes-and-practice-patterns-study-dopps
#4
Ronald L Pisoni, Lindsay Zepel, Richard Fluck, Charmaine E Lok, Hideki Kawanishi, Gültekin Süleymanlar, Haimanot Wasse, Francesca Tentori, Jarcy Zee, Yun Li, Douglas Schaubel, Steven Burke, Bruce Robinson
BACKGROUND: Vascular access practice is strongly associated with clinical outcomes. There is substantial international variation in the use of arteriovenous fistulas (AVFs) and grafts (AVGs), as well as AVF maturation time and location. STUDY DESIGN: Prospective cohort study. SETTING & PARTICIPANTS: Hemodialysis patients participating in the prospective Dialysis Outcomes and Practice Patterns Study (DOPPS) from the United States, Japan, and Europe/ANZ (Belgium, France, Germany, Italy, Spain, Sweden, United Kingdom, Australia, and New Zealand), including 3,850 patients receiving 4,247 new AVFs and 842 patients receiving 1,129 new AVGs in 2009 to 2015...
November 29, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29188313/arteriovenous-fistula-maturation-failure-in-a-large-cohort-of-hemodialysis-patients-in-the-netherlands
#5
Bram M Voorzaat, Koen E A van der Bogt, Cynthia J Janmaat, Jan van Schaik, Friedo W Dekker, Joris I Rotmans
OBJECTIVES: Radiocephalic arteriovenous fistulas (RCAVF) are the preferred vascular access (VA) for hemodialysis (HD). Cohort studies from North America revealed that nonmaturation is a significant disadvantage of RCAVFs compared to other VAs. DESIGN: This present retrospective study describes the incidence of nonmaturation of AVFs and functional failure of arteriovenous grafts (AVG) in a multicentre cohort in the Netherlands and attempts to create a prediction model for nonmaturation of RCAVFs...
November 29, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29187653/-investigation-of-status-for-vascular-access-in-hemodialysis-patients-at-xiangya-hospital-of-central-south-university
#6
Yong Zhong, Jiaxi Pu, Xiang Ao, Weisheng Peng, Zhangzhe Peng, Xiaozhao Li, Xiangcheng Xiao, Qiaoling Zhou, Ping Xiao
To investigate the status of vascular access in hemodialysis patients in our center.
 Methods: The general information of hemodialysis patients and types and complications of vascular access at Xiangya Hospital of Central South University from April 2015 to April 2016, were retrospectively analyzed.
 Results: Among 258 prevalent patients, 87.60% of them had arteriovenous fistula (AVF), while 12.40% showed tunneled cuffed catheter. Of the 61 incident patients, 80.33% of them initiated dialysis with a non-tunneled and non-cuffed catheter, 8...
November 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29160976/cannulation-outcomes-of-the-arteriovenous-fistula-for-hemodialysis-a-scoping-review
#7
Lori Harwood, Barbara Wilson, Maren Goodman
The arteriovenous fistula (AVF) is the recommended access for most people requiring hemodialysis. Success or failure of cannulation of the AVF greatly impacts the patient's experience. Research suggests that skill development in this area is needed. This scoping review was conducted to review current research on cannulation of the AVF to find strategies to improve successful cannulation. Results of this scoping review (n = 36)demonstrated that most studies can be categorized under the technique of cannulation, and concerns and preferences with the AVF as a consequence of cannulation...
September 2017: Nephrology Nursing Journal: Journal of the American Nephrology Nurses' Association
https://www.readbyqxmd.com/read/29160973/outcomes-for-successful-cannulation-of-the-arteriovenous-fistula-perspectives-from-patients-on-hemodialysis
#8
Barbara Wilson, Lori Harwood
There is a lack of consensus in the literature on what constitutes successful arteriovenous fistula (AVF) cannulation outcomes from the patient perspective. The purpose of this study was to describe what successful cannulation means to patients on hemodialysis. A qualitative descriptive approach was used. A purposeful sample of 17 patients dialyzing with an AVF participated in one face-to-face interview. Using content analysis, four themes were identified that impact the patient experience in defining successful cannulation: 1) an emotional response - pain and anxiety, 2) a 'friendly' nurse-patient relationship, 3) nursing interventions/technical skills during cannulation, and 4) the impact of the environment...
September 2017: Nephrology Nursing Journal: Journal of the American Nephrology Nurses' Association
https://www.readbyqxmd.com/read/29148008/supervised-preoperative-forearm-exercise-to-increase-blood-vessel-diameter-in-patients-requiring-an-arteriovenous-access-for-hemodialysis-rationale-and-design-of-the-pinch-trial
#9
Esther D Wilschut, Joris I Rotmans, Ernst Jan Bos, Daniëlle van Zoest, Daniël Eefting, Jaap F Hamming, Koen E A van der Bogt
BACKGROUND: Failure of maturation occurs in 30%-60% of arteriovenous fistula (AVF) creation for hemodialysis, with highest rates in distal radiocephalic fistulas. This is partly due to initial small blood vessel size with limited blood flow capacity. Forearm exercise has shown potential as stimulus for increasing blood vessel size in patients with end-stage renal disease (ESRD) and may promote maturation of AVFs in the upper limb when applied postoperatively. However, it is unknown if forearm exercise increases blood vessel size pre-operatively, which may contribute to more distal AVF creation and raise success rates of AVF surgery...
November 15, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29133876/eph-b4-regulates-adaptive-venous-remodeling-to-improve-arteriovenous-fistula-patency
#10
Clinton D Protack, Trenton R Foster, Takuya Hashimoto, Kota Yamamoto, Monica Y Lee, Jan R Kraehling, Hualong Bai, Haidi Hu, Toshihiko Isaji, Jeans M Santana, Mo Wang, William C Sessa, Alan Dardik
Low rates of arteriovenous fistula (AVF) maturation prevent optimal fistula use for hemodialysis; however, the mechanism of venous remodeling in the fistula environment is not well understood. We hypothesized that the embryonic venous determinant Eph-B4 mediates AVF maturation. In human AVF and a mouse aortocaval fistula model, Eph-B4 protein expression increased in the fistula vein; expression of the arterial determinant Ephrin-B2 also increased. Stimulation of Eph-B-mediated signaling with Ephrin-B2/Fc showed improved fistula patency with less wall thickness...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29130577/factors-affecting-the-patency-of-arteriovenous-fistulas-for-hemodialysis-single-center-experience
#11
Radojica V Stolic, Goran Z Trajkovic, Mirjana M Kostic, Branko Mihailovic, Aleksandar N Jovanovic, Bratislav D Lazic, Ivana R Matijasević, Maša D Jaksić, Zlatica M Mirkovic, Tanja N Smilic, Javorka S Mitic
INTRODUCTION: Arteriovenous fistulas (AVFs) are the preferred form vascular access for hemodialysis (HD), as they have a low rate of complications and durable function. The aim of our investigation was to analyze the factors that might influence the function of AVFs. METHODS: Data were taken from the computerized patient record system in the Clinic of Urology and Nephrology, Clinical Center, Kragujevac, Serbia, for a 2-year period. We analyzed patients who had requested re-creation of AVFs as a secondary procedure...
November 12, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29127555/continuous-monitoring-of-blood-pressure-by-analyzing-the-blood-flow-sound-of-arteriovenous-fistula-in-hemodialysis-patients
#12
Yuka Kamijo, Eiichiro Kanda, Hayato Horiuchi, Noriyuki Kounoue, Keisuke Ono, Keizo Maeda, Akane Yanai, Kazuya Honda, Ryuji Tsujimoto, Mai Yanagi, Yoshitaka Ishibashi, Masayuki Yoshida
BACKGROUND: Patients with end-stage renal disease undergoing hemodialysis (HD) have an elevated risk of cardiovascular disease-related morbidity and mortality. To prevent from such a life-threatening event, the continuous blood pressure (BP) monitoring system may contribute to detect BP decline in early stages and may help to do appropriate disposal. Our research team has introduced an electronic stethoscope (Asahi Kasei Co, Ltd., Tokyo, Japan), which translates sound intensity of Arteriovenous Fistula (AVF) to BP data using the technique of Fourier transformation that can predict continuous BP non-invasively...
November 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29123006/outcomes-of-simultaneous-peritoneal-dialysis-and-arteriovenous-fistula-placement-in-end-stage-renal-disease-patients
#13
Nosratollah Nezakatgoo, Albert Ndzengue, Manhunath Ramaiah, Elvira O Gosmanova
Peritoneal dialysis (PD) interruption requiring hemodialysis (HD) is not uncommon and its frequently abrupt nature prevents timely creation of permanent HD access and avoidance of central venous catheters (CVC). We retrospectively studied a cohort of 24 end-stage renal disease (ESRD) patients (mean age 50.7 years, 83.3% African-Americans, 58.3% females, time on dialysis interquartile range [IQR] 0 - 65 days) who had simultaneous PD catheter insertion and backup arteriovenous fistula (AVF) creation between January 1, 2012, and December 31, 2013...
November 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/29112475/transjugular-venous-approach-for-endovascular-interventions-in-hemodialysis-grafts-and-fistulas-of-the-upper-extremities
#14
Hector Ferral, Marc J Alonzo
OBJECTIVE: This article describes the use of a transjugular venous access for interventions in upper extremity hemodialysis arteriovenous fistulas (AVFs) and grafts. This access is used in selected patients in whom direct puncture of the hemodialysis access is considered to be difficult or cumbersome. Technical success was achieved in 96.7% of patients. If an intervention is unsuccessful, the transjugular access offers the possibility of placement of a dialysis catheter for temporary or long-term hemodialysis...
November 7, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29104939/asymmetric-dimethylarginine-does-not-predict-early-access-events-in-hemodialysis-patients-with-brachiocephalic-fistula-access
#15
Mary Hammes, Rita McGill, Promila Dhar, Rama S Madhurapantula
Background: Vascular access for hemodialysis is best provided by an arteriovenous fistula (AVF). AVF fail primarily because of neointimal hyperplasia. Asymmetric dimethlyarginine (ADMA) is a naturally occurring analogue of L-arginine, which is elevated in renal failure and impairs endothelial cell function. ADMA inhibits nitric oxide synthetase, leading to impaired nitric oxide production and contributing to the development of neointimal hyperplasia. ADMA was measured at the time of AVF placement to evaluate associations with access failure...
August 2017: International Journal of Nephrology and Kidney Failure
https://www.readbyqxmd.com/read/29057732/effect-of-systemic-immunosuppressive-drugs-on-the-patency-of-hemodialysis-accesses%C3%A2
#16
Hanbyul Lee, Hyangkyoung Kim, Tae-Won Kwon, Yong-Pil Cho, Hyun Kang
AIM: Intimal hyperplasia remains the leading cause of late hemodialysis access stenosis or occlusion. This study assessed the influence of conventional immunosuppressive drugs on the patency of hemodialysis accesses in patients with a history of organ transplantation. MATERIALS AND METHODS: Between January 2002 and December 2007, 1,654 patients underwent an operation for hemodialysis access. 135 patients received immunosuppressive therapy (IT); of these, 115 underwent an operation for hemodialysis access after transplanted graft failure and 20 patients after liver transplantation...
October 23, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29027182/preoperative-management-of-arteriovenous-fistula-avf-for-hemodialysis
#17
Gaetano Alfano, Francesco Fontana, Mario Iannaccone, Patrizia Noussan, Gianni Cappelli
Native arteriovenous fistula (AVF) is the favorite access for hemodialysis (HD). The National Kidney Foundation's Kidney Disease Outcomes Quality Initiative (KDOQI) recommends its creation in most patients with renal failure. Unfortunately, intensive efforts to promote native AVF in patients with marginal vessels have increased the rate of primary fistula failure. A non-functioning fistula prompts the use of central venous catheter (CVC) that, unlike AVF, has been associated with an increased risk of morbidity and mortality among patients receiving HD...
November 17, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29017808/a-novel-technique-for-duplex-guided-office-based-interventions-for-patients-with-acute-arteriovenous-fistula-occlusion
#18
Afsha Aurshina, Enrico Ascher, Anil Hingorani, Natalie Marks
OBJECTIVE: The purpose of the study was to aggressively salvage acutely occluded arteriovenous fistulas (AVFs) using duplex imaging as the sole imaging modality for percutaneous transluminal angioplasty of acutely thrombosed AVF. METHODS: Over a period of 12 months, 14 patients with acute thrombosis of their AVFs underwent 18 procedures in a single center for AVF salvage. All 14 patients presented with chronic renal failure, and six were diabetic. All patients were treated under duplex guidance alone...
October 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28960860/impact-of-statins-on-arteriovenous-fistulas-outcomes-a-meta-analysis
#19
Qingsong Wan, Li Li, Shikun Yang, Fenfen Chu
Statins are effective lipid-lowering drugs with beneficial pleiotropic effects for vascular remodeling processes, statins may have a beneficial effect on the function of arteriovenous fistulas (AVFs) in hemodialysis (HD) patients. Therefore, we performed this systematic review to assess the protective effects of statin therapy in HD patients. The randomized controlled trials (RCTs) or quasi-RCTs and retrospective cohort studies (RCS) of statin therapy for the function of AVFs in HD patients were searched from multiple databases...
September 28, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28930719/vascular-access-placement-order-and-outcomes-in-hemodialysis-patients-a-longitudinal-study
#20
Mariana Murea, W Mark Brown, Jasmin Divers, Shahriar Moossavi, Todd W Robinson, Benjamin Bagwell, John M Burkart, Barry I Freedman
BACKGROUND: Arteriovenous accesses (AVA) in patients performing hemodialysis (HD) are labeled "permanent" for AV fistulas (AVF) or grafts (AVG) and "temporary" for tunneled central venous catheters (TCVC). Durability and outcomes of permanent vascular accesses based on the sequence in which they were placed or used receives little attention. This study analyzed longitudinal transitions between TCVC-based and AVA-based HD outcomes according to the order of placement. METHODS: All 391 patients initiating chronic HD via a TCVC between 2012 and 2013 at 12 outpatient academic dialysis units were included in this study...
2017: American Journal of Nephrology
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