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dialysis arteriovenous fistula

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https://www.readbyqxmd.com/read/29277506/high-output-cardiac-failure-and-coronary-steal-with-an-arteriovenous-fistula
#1
Amtul Aala, Sairah Sharif, Leslie Parikh, Paul C Gordon, Susie L Hu
Creation of an arteriovenous access for hemodialysis can provoke a sequence of events that significantly affects cardiovascular hemodynamics. We present a 78-year-old man with end-stage renal disease and concomitant coronary artery disease previously requiring coronary artery bypass grafting including a left internal mammary graft to the left anterior descending artery, ischemic cardiomyopathy with left ventricular systolic dysfunction, and severe aortic stenosis who developed hypotension unresponsive to medical therapy after recent angioplasty of his ipsilateral arteriovenous fistula for high-grade outflow stenosis...
December 22, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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/29250667/effect-of-the-veins-histopathological-characteristics-and-preexisting-medical-conditions-on-arteriovenous-fistula-maturation-and-primary-patency-in-patients-with-end-stage-renal-disease-an-observational-prospective-study
#3
Alexandru Oprea, Adrian Molnar, Svetlana Encică, Dan Ştefan VlăduŢiu, Gabriel Traian Scridon, Diana Maria Săcui, Vasile Aurelian Săsărman, Petru Adrian Mircea
We assessed the veins histopathological characteristics and preexisting medical conditions before arteriovenous fistula (AVF) creation, and their correlation with AVF outcome and primary patency in patients with end-stage renal disease (ESRD). In this observational, prospective, mono-center study in Romania, patients with artery and venous diameters =2 mm and =2.5 mm, respectively, were enrolled. Vein specimens were harvested at AVF creation and evaluated by Hematoxylin and Eosin, Masson's trichrome and Orcein stainings, in terms of intimal hyperplasia, elastic fibers disposition, medial hypertrophy and smooth muscle cell disorganization and fibrosis (graded from mild to severe)...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29249390/left-ventricular-assist-devices-kidney-disease-and-dialysis
#4
Bethany Roehm, Amanda R Vest, Daniel E Weiner
Left ventricular assist devices (LVADs) improve survival in patients with advanced heart failure. As LVAD use increases, so do the number of patients with LVADs who also have kidney disease. However, there are only sparse data on how best to care for these patients. This review provides an overview of LVAD principles and indications, including blood pressure assessment and criteria for receipt of both destination and bridge to transplantation LVADs. Following LVAD implantation, kidney function may improve in the short term, particularly if cardiorenal physiology was present; in the longer term, data remain limited...
December 14, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29248121/percutaneous-drug-eluting-balloon-angioplasty-to-treat-dialysis-access-stenosis
#5
Mafalda Massara, Pietro Finocchiaro, Alberto Volpe, Antonino Alberti, Pietro Volpe
A common complication of arteriovenous fistula for hemodialysis is development of conduit stenosis, which compromises function and can result in access thrombosis. Possible treatment options include open repair and endovascular therapy, with the latter preferred due to lower morbidity and similar outcomes. Recurrence of conduit stenosis is common and, based on the pathophysiology of this lesion, the application of drug-coated balloon angioplasty is attractive. In this report, the application of drug-eluting balloon angioplasty for dialysis access stenosis in 18 consecutive patients is detailed and primary patency rates of 82% at 1 year and 68% at 2 years were calculated...
June 2017: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/29236655/association-of-proteinuria-with-central-venous-catheter-use-at-initial-hemodialysis
#6
Ken J Park, Eric S Johnson, Ning Smith, David M Mosen, Micah L Thorp
CONTEXT: Central venous catheter (CVC) use is associated with increased mortality and complications in hemodialysis recipients. Although prevalent CVC use has decreased, incident use remains high. OBJECTIVE: To examine characteristics associated with CVC use at initial dialysis, specifically looking at proteinuria as a predictor of interest. DESIGN: Retrospective cohort of 918 hemodialysis recipients from Kaiser Permanente Northwest who started hemodialysis from January 1, 2004, to January 1, 2014...
2017: Permanente Journal
https://www.readbyqxmd.com/read/29228920/comparison-of-outcomes-between-emergent-start-and-planned-start-peritoneal-dialysis-in-incident-esrd-patients-a-prospective-observational-study
#7
Wen-Yi Li, Yi-Cheng Wang, Shang-Jyh Hwang, Shih-Hua Lin, Kwan-Dun Wu, Yung-Ming Chen
BACKGROUND: The clinical consequences of starting chronic peritoneal dialysis (PD) after emergent dialysis via a temporary hemodialysis (HD) catheter has rarely been evaluated within a full spectrum of treated end-stage renal disease (ESRD). We investigated the longer-term outcomes of patients undergoing emergent-start PD in comparison with that of other practices of PD or HD in a prospective cohort of new-onset ESRD. METHODS: This was a 2-year prospective observational study...
December 11, 2017: BMC Nephrology
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
#8
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/29192722/cephalic-vein-transposition-is-a-durable-approach-to-managing-cephalic-arch-stenosis
#9
Jon C Henry, Ulka Sachdev, Eric Hager, Ellen Dillavou, Theodore Yuo, Michel Makaroun, Steven A Leers
INTRODUCTION: The proximal cephalic vein that enters the axillary vein (cephalic arch) is a common site of stenosis in patients with upper extremity arteriovenous fistulas for hemodialysis (HD). In this study, we present the outcomes of a series of cephalic vein transposition, to determine its utility in the setting of refractory arch stenosis. METHODS: We conducted a retrospective review of patients undergoing cephalic vein transposition to manage refractory cephalic arch stenosis from January 1, 2008 to August 31, 2015...
November 25, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29192721/haemodialysis-vascular-access-current-practices-amongst-indian-nephrologists
#10
Dinesh Bansal, Vijay Kher, Krishan Lal Gupta, Debasish Banerjee, Vivekanand Jha
INTRODUCTION: Despite the growing number of haemodialysis (HD) patients in India, little is known about vascular access practice. We investigated the use and cost of different vascular accesses by Indian nephrologists. METHODS: An online survey was emailed to 920 Indian nephrologists and 388 (42.1%) responded; 98.5% of whom were responsible for managing dialysis patients, 98% in hospitals. RESULTS: Sixty-four percent of patients initiated renal replacement therapy with HD, 7% with peritoneal dialysis, 10% kidney transplantation and 19% conservative care...
November 25, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29187653/-investigation-of-status-for-vascular-access-in-hemodialysis-patients-at-xiangya-hospital-of-central-south-university
#11
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/29148006/autogenous-forearm-loop-arteriovenous-fistula-creation
#12
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
#13
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/29147997/drug-eluting-balloon-angioplasty-for-assisted-maturation-of-failing-fistulae
#14
Alexandros Mallios, Jeffrey Hull, Benoit Boura, Alessandro Costanzo, Myriam Combes
OBJECTIVE: To present our experience of balloon-assisted maturation with drug-eluting balloon dilation in patients with recurrent failing arteriovenous fistulae. CASE SERIES: Three patients (all males, mean age 71 years) with a complex history of failed attempts at native fistula creation underwent surgical creation of arteriovenous fistulae. Two patients had a two-stage brachio-brachial fistula and 1 had a brachio-cephalic fistula that also required subsequent elevation...
November 13, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29123006/outcomes-of-simultaneous-peritoneal-dialysis-and-arteriovenous-fistula-placement-in-end-stage-renal-disease-patients
#15
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/29117811/a-new-endovascular-technique-for-the-treatment-of-dialysis-associated-steal-syndrome
#16
Enrico Ascher, Jacob E Mandel, Natalie A Marks, Anil P Hingorani
Background Dialysis access-associated steal syndrome is a major complication of arteriovenous fistula creation whereby the low-resistance venous conduit shunts arterial inflow through the anastomosis, resulting in clinically significant distal artery insufficiency. Herein, we describe a case of severe steal phenomenon with gangrene of a digit following placement of an arteriovenous fistula that was treated with a novel, entirely endovascular technique. To our knowledge, this was the first totally endovascular approach to dialysis access-associated steal syndrome...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29112475/transjugular-venous-approach-for-endovascular-interventions-in-hemodialysis-grafts-and-fistulas-of-the-upper-extremities
#17
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/29106711/interventions-for-treating-central-venous-haemodialysis-catheter-malfunction
#18
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/29103931/timely-thrombectomy-can-improve-patency-of-hemodialysis-arteriovenous-fistulas
#19
Mu-Yang Hsieh, Lin Lin, Tsung-Yan Chen, Dao-Ming Chen, Ming-Hsien Lee, Yung-Fang Shen, Chung-Wei Yang, Shao-Yuan Chuang, Chih-Cheng Wu, Kuan-Yu Hung
OBJECTIVE: The urgency with which salvage of thrombosed vascular accesses for dialysis should be attempted remains unknown. We examined the effect of a timely thrombectomy approach on vascular access outcomes for dialysis. METHODS: A before-and-after study was conducted with patients on hemodialysis who had undergone endovascular thrombectomy. A timely thrombectomy initiative (ie, salvage within 24 hours of thrombosis diagnosis) was started in July 2015 at our institution...
November 2, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29080304/high-resolution-computational-fluid-dynamic-simulation-of-haemodialysis-cannulation-in-a-patient-specific-arteriovenous-fistula
#20
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
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