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AVF for hemodialysis

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https://www.readbyqxmd.com/read/28805538/effects-of-far-infrared-therapy-on-arteriovenous-fistulas-in-hemodialysis-patients-a-meta-analysis
#1
Qingsong Wan, Shikun Yang, Li Li, Fenfen Chu
BACKGROUND: Far infrared (FIR) therapy may have a beneficial effect on maturity and function of arteriovenous fistulas (AVFs) in hemodialysis (HD) patients. Therefore, we performed this pooled analysis to assess the protective effects of FIR therapy in HD patients. METHODS: The randomized controlled trials (RCTs) and quasi-RCTs of FIR therapy for HD patients were searched from multiple databases. Relevant studies were screened according to the predefined inclusion criteria...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28804237/aneurysmal-degeneration-of-the-brachial-artery-after-vascular-access-creation-surgical-treatment-results
#2
Sérgio Teixeira, Pedro Sá Pinto, Carlos Veiga, Ivone Silva, Rui Almeida
True peripheral artery aneurysms proximal to a longstanding arteriovenous fistula is a well-recognized complication. Late aneurysmal degeneration is rare. This study analyzed the characteristics, therapeutic options, and outcomes of true donor brachial artery aneurysms (DBAA) after arteriovenous fistula (AVF) for hemodialysis. We retrospectively collected the data of patients with DBAA after AVF creation, surgically repaired between January 2001 and September 2015. We excluded patients with pseudoaneurysms, anastomotic aneurysms, and infected aneurysms...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28779784/drug-coated-balloon-angioplasty-for-dialysis-access-fistula-stenosis
#3
REVIEW
Auréline Boitet, Ziad A Massy, Olivier Goeau-Brissonniere, Isabelle Javerliat, Marc Coggia, Raphaël Coscas
Maintaining vascular access patency represents a tremendous challenge in hemodialysis patients. Although "native" arteriovenous fistula (AVF) is currently recommended as primary vascular access, neointimal hyperplasia stenoses frequently develop, with a risk for AVF thrombosis and vascular access loss. For years, first-line treatment of AVFs stenoses has been percutaneous transluminal angioplasty, generally with high-pressure or cutting uncoated balloons. However, restenosis and reintervention rates remain incredibly high and occur, according to recent studies, in up to 60% and 70% of patients at 6 and 12 months, respectively...
December 2016: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/28779782/future-research-directions-to-improve-fistula-maturation-and-reduce-access-failure
#4
REVIEW
Haidi Hu, Sandeep Patel, Jesse J Hanisch, Jeans M Santana, Takuya Hashimoto, Hualong Bai, Tambudzai Kudze, Trenton R Foster, Jianming Guo, Bogdan Yatsula, Janice Tsui, Alan Dardik
With the increasing prevalence of end-stage renal disease, there is a growing need for hemodialysis. Arteriovenous fistulae (AVF) are the preferred type of vascular access for hemodialysis, but maturation and failure continue to present significant barriers to successful fistula use. AVF maturation integrates outward remodeling with vessel wall thickening in response to drastic hemodynamic changes in the setting of uremia, systemic inflammation, oxidative stress, and pre-existent vascular pathology. AVF can fail due to both failure to mature adequately to support hemodialysis and development of neointimal hyperplasia that narrows the AVF lumen, typically near the fistula anastomosis...
December 2016: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/28777423/the-sleeve-method-for-creation-of-radiocephalic-arteriovenous-fistulas-in-patients-with-calcified-vessels
#5
Tomasz Gołębiowski, Wacław Weyde, Krzysztof Letachowicz, Mariusz Kusztal, Hanna Augustyniak-Bartosik, Jan Penar, Katarzyna Madziarska, Sławomir Zmonarski, Magdalena Krajewska, Marian Klinger
INTRODUCTION: Creation of an arteriovenous fistula (AVF) in patients with advanced atherosclerotic changes of the artery is often a challenge for the physician due to difficulties in suturing the vein to the side of the frangible artery. The sleeve technique relies on advancing the end of the artery into the lumen of the vein and protecting the anastomosis by adventitial sutures. MATERIAL AND METHODS: The sleeve technique was performed in 23 patients with chronic kidney disease stage IV and V and included hemodialysis patients...
July 26, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28777417/outcomes-of-three-types-of-native-arteriovenous-fistula-in-a-single-center
#6
Emiliano Chisci, Linda M Harris, Francesco Menici, Pierfrancesco Frosini, Eugenio Romano, Nicola Troisi, Leonardo Ercolini, Stefano Michelagnoli
OBJECTIVE: To study the outcomes of three different types of native arteriovenous fistula (AVF), the distal (D: radial-cephalic), middle-arm (MA: radial-cephalic) and proximal (P: brachial-cephalic) AVF access creation for hemodialysis patients in a single center. METHODS: An 8-year retrospective review, from 2006 to 2014, was conducted at a single institution in which the surgical outcomes for three different types of native AVF creation were reviewed. Preoperative duplex vein mapping was obtained in all patients to choose the best vein and site for access...
July 26, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28753408/contribution-of-monoamine-oxidases-to-vascular-oxidative-stress-in-patients-with-end-stage-renal-disease-requiring-hemodialysis
#7
Diana Utu, Stelian Pantea, Oana M Duicu, Danina M Muntean, Adrian Sturza
Arteriovenous fistula (AVF) is the 'life line' for patients with end-stage renal disease (ESRD) undergoing hemodialysis. AVF maturation failure is a poorly understood process, one of the contributors being endothelial dysfunction due to oxidative stress. Monoamine oxidases (MAOs) A and B were recently identified as novel sources of vascular oxidative stress. The aim of the present study was to assess the contribution of MAOs to the endothelial dysfunction in patients with ESDR with indication of hemodialysis...
July 28, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28752375/biological-and-physical-factors-involved-in-the-maturation-of-arteriovenous-fistula-for-hemodialysis
#8
Andrea Remuzzi, Michela Bozzetto
One of the most important limitations of hemodialysis (HD) treatment is the vascular access (VA) that is used to connect the patient's blood vessels to the extracorporeal circulation. The arteriovenous fistula (AVF) obtained with native vessels is the VA of choice for the low incidence of infections and the long-term patency, but it is affected by high incidence of non-maturation or primary failure. Before use for cannulation, AVF must undergo vascular remodeling, with progressive increase in vessel diameter, to accommodate the increase in blood flow...
July 27, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28725317/prevalence-of-metabolic-syndrome-among-the-end-stage-renal-disease-patients-on-hemodialysis
#9
Khaled A Alswat, Awwadh Althobaiti, Khulod Alsaadi, Amaal Saeed Alkhaldi, Maryam Mutlaq Alharthi, Walaa Abduraheem Abuharba, Ahmed A Alzaidi
BACKGROUND: Patients with metabolic syndrome (MetS) have a 2.6-fold greater risk of incident chronic kidney disease (CKD). The primary goal of this study was to assess the prevalence of MetS in patients with end-stage renal disease (ESRD) who are on hemodialysis (HD) and the impact of MetS presence on HD-related outcomes. METHODS: This is a cross-sectional study conducted in the Dialysis Center, King Abdulaziz Specialist Hospital, Taif, Saudi Arabia. It was conducted among ESRD patients that attended the Dialysis Center between August 2013 and September 2016...
August 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28724774/histopathology-of-veins-obtained-at-hemodialysis-arteriovenous-fistula-creation-surgery
#10
Charles E Alpers, Peter B Imrey, Kelly L Hudkins, Tomasz A Wietecha, Milena Radeva, Michael Allon, Alfred K Cheung, Laura M Dember, Prabir Roy-Chaudhury, Yan-Ting Shiu, Christi M Terry, Alik Farber, Gerald J Beck, Harold I Feldman, John W Kusek, Jonathan Himmelfarb
Stenosis from venous neointimal hyperplasia is common in native arteriovenous fistulas (AVFs). However, the preexisting histologic characteristics of veins at fistula creation, and associations thereof with baseline patient factors, have not been well characterized. In this study, we conducted histologic analysis of a segment of the vein used for anastomosis creation, obtained during AVF creation from 554 of the 602 participants in the multicenter Hemodialysis Fistula Maturation Cohort Study. We quantified intimal and medial areas and lengths of the internal and external elastic lamina by morphometry and assessed venous wall cells by immunohistochemistry, extracellular matrix with Movat stain, and calcium deposition by alizarin red stain...
July 19, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28710090/the-clinical-and-economic-effect-of-vascular-access-selection-in-patients-initiating-hemodialysis-with-a-catheter
#11
Alian Al-Balas, Timmy Lee, Carlton J Young, Jeffrey A Kepes, Jill Barker-Finkel, Michael Allon
Patients in the United States frequently initiate hemodialysis with a central venous catheter (CVC) and subsequently undergo placement of a new arteriovenous fistula (AVF) or arteriovenous graft (AVG). Little is known about the clinical and economic effects of initial vascular access choice. We identified 479 patients starting hemodialysis with a CVC at a large medical center (during 2004-2012) who subsequently had an AVF (n=295) or AVG (n=105) placed or no arteriovenous access (CVC group, n=71). Compared with patients receiving an AVG, those receiving an AVF had more frequent surgical access procedures per year (1...
July 14, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28700182/-brachial-artery-pseudoaneurysm-a-rare-but-serious-complication-in-hemodialysis-patients-with-arteriovenous-fistula
#12
Andrea Mancini, Giuseppe Castriotta, Pernina Angelini, Michele Bozzi, Vincenzo Giancaspro, Elvira La Raia, Maria Teresa Nisi, Anna Rita Proscia, Giuseppe Tarantino, Ottavia Vitale, Cristoforo Cuzzola
A pseudoaneurysm or false aneurysm of the brachial artery is an uncommon occurrence in patients receiving hemodialysis with arteriovenous fistula (AVF). We describe the case of a 76-year-old woman presenting with a large, tender, pulsatile mass in the right antecubital region 10 cm from the AVF. B-mode ultrasound examination revealed a saccular hematoma. Color doppler showed a recirculation movement of blood, creating a two colors image called "Korean flag". The patient was transferred to the surgical unit where she first underwent ultrasound-guided compression and then surgical repair of the pseudoaneurysm...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28695442/fistula-first-initiative-historical-impact-on-vascular-access-practice-patterns-and-influence-on-future-vascular-access-care
#13
Timmy Lee
The vascular access is the lifeline for the hemodialysis patient. In the United States, the Fistula First Breakthrough Initiative (FFBI) has been influential in improving use of arteriovenous fistulas (AVF) in prevalent hemodialysis patients. Currently, prevalent AVF rates are near the goal of 66% set forth by the original FFBI. However, central venous catheter (CVC) rates remain very high in the United States in patients initiating hemodialysis, nearly exceeding 80%. A new direction of the of the FFBI has focused on strategies to reduce CVC use, and subsequently the FFBI has now been renamed the "Fistula First-Catheter Last Initiative"...
July 10, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28662308/gender-disparity-in-fistula-use-at-initiation-of-hemodialysis-varies-markedly-across-esrd-networks-analysis-of-usrds-data
#14
Mariana Markell, Amarpali Brar, Dimitre G Stefanov, Moro O Salifu
BACKGROUND: Gender disparities had been noted in the care of women with end stage renal disease (ESRD) in the early 2000's, including less frequent initiation of hemodialysis utilizing a fistula but more recent data have not been examined and underlying factors have not been extensively studied. STUDY DESIGN: Data from the United States Renal Data System (USRDS) were examined, including 202,999 hemodialysis patients. Only those who had received prior nephrology care were included...
June 29, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28648652/dialysis-related-parameters-influence-remodeling-in-the-venous-part-of-the-native-arteriovenous-fistula
#15
Tomasz Gołębiowski, Mariusz Kusztal, Krzysztof Letachowicz, Hanna Augustyniak-Bartosik, Maciej Szymczak, Magdalena Krajewska, Wojciech Marcinkowski, Wacław Weyde, Marian Klinger
AIM: The aim of this study was to evaluate the association of hemodynamic parameters related to hemodialysis and antropometric parameters of patients with changes in the venous part of the arteriovenous fistula (AVF) at points of needling. MATERIAL AND METHODS: 242 HD patients (60.3% men), with median age 65 [IQR 56-75] years, on HD treatment for a median of 49 [IQR 20-88] months with functioning fistula were recruited to the study. The history of vascular access, comorbidity, antropometric (BMI, BSA, body composition) and dialysis-related parameters were analyzed...
June 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28639917/concomitant-staple-aneurysmorrhaphy-and-flow-calibrated-arteriovenous-fistula-banding-over-a-coronary-dilator-to-treat-hand-steal-syndrome
#16
Jennifer Baker, Rafael D Malgor
BACKGROUND: True venous aneurysm formation can occur in patients with arteriovenous fistulas (AVFs) for hemodialysis but association with steal syndrome is uncommon. METHODS: To describe a case of a patient on chronic hemodialysis through a right brachiocephalic fistula, who presents with associated steal syndrome and true arteriovenous access aneurysm. RESULTS: A 34-year-old female with true AVF aneurysm presented with hand steal syndrome confirmed by noninvasive studies...
July 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28625819/outcomes-of-relocation-of-basilic-vein-in-brachiobasilic-fistulas-in-chronic-renal-failure
#17
Farzad Kakaei, Ahad Hasankhani, Mir-Salim Seyyed-Sadeghi, Peyman Virani, Tooraj Asvadi, Sina Zarrintan
BACKGROUND: In patients without or with injured cephalic vein, using the basilic vein for creating arteriovenous fistula (AVF) is the best way for hemodialysis. In order to create AVF, the basilic vein should be superficialized and lateralized. This study sought to examine outcome of relocation of basilic vein in brachiobasilic fistulas in patients with chronic renal failure (CRF). METHODS: We evaluated the outcome of creation of brachiobasilic fistula with transposition of basilic vein in 27 patients (14 males and 13 females with mean age of 60...
June 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28624422/endovascular-proximal-forearm-arteriovenous-fistula-for-hemodialysis-access-results-of-the-prospective-multicenter-novel-endovascular-access-trial-neat
#18
Charmaine E Lok, Dheeraj K Rajan, Jason Clement, Mercedeh Kiaii, Ravi Sidhu, Ken Thomson, George Buldo, Christine Dipchand, Louise Moist, Joanna Sasal
BACKGROUND: Hemodialysis arteriovenous fistulas (AVFs) are suboptimally used primarily due to problems with maturation, early thrombosis, and patient nonacceptance. An endovascular approach to fistula creation without open surgery offers another hemodialysis vascular access option. STUDY DESIGN: Prospective, single-arm, multicenter study (Novel Endovascular Access Trial [NEAT]). SETTINGS & PARTICIPANTS: Consecutive adult non-dialysis-dependent and dialysis-dependent patients referred for vascular access creation at 9 centers in Canada, Australia, and New Zealand...
June 9, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28599902/cost-effectiveness-analysis-of-vascular-access-referral-policies-in-ckd
#19
Steven M Shechter, Talon Chandler, M Reza Skandari, Nadia Zalunardo
BACKGROUND: The optimal timing of vascular access referral for patients with chronic kidney disease who may need hemodialysis (HD) is a pressing question in nephrology. Current referral policies have not been rigorously compared with respect to costs and benefits and do not consider patient-specific factors such as age. STUDY DESIGN: Monte Carlo simulation model. SETTING & POPULATION: Patients with chronic kidney disease, referred to a multidisciplinary kidney clinic in a universal health care system...
June 7, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28591486/computational-fluid-dynamic-analysis-of-the-hemodialysis-plastic-cannula
#20
David Fulker, Zakir Sayed, Anne Simmons, Tracie Barber
The jet of fluid returning to the patient through a hemodialysis venous needle has previously been reported as a potential source of endothelial damage which can lead to intimal hyperplasia (IH) in arteriovenous fistulae (AVF). Metal needles are the current standard practice for accessing the vascular system in hemodialysis. However, plastic cannulae have been used in Japan for 30 years. This study utilized computational fluid dynamics to analyze the hemodynamics of blood exiting a plastic cannula and determined the optimal placement and blood flow rate...
June 7, 2017: Artificial Organs
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