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Arteriovenous access

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https://www.readbyqxmd.com/read/28633210/value-of-surgery-for-infective-endocarditis-in-dialysis-patients
#1
Sajjad Raza, Syed T Hussain, Jeevanantham Rajeswaran, Asif Ansari, Matteo Trezzi, Amr Arafat, James Witten, Kirthi Ravichandren, Haris Riaz, Hoda Javadikasgari, Sunil Panwar, Sevag Demirjian, Nabin K Shrestha, Thomas G Fraser, José L Navia, Bruce W Lytle, Eugene H Blackstone, Gösta B Pettersson
OBJECTIVES: To determine the value of surgery for infective endocarditis (IE) in patients on hemodialysis by comparing the nature and invasiveness of endocarditis in hemodialysis and nonhemodialysis patients and their hospital and long-term outcomes, and identifying risk factors for time-related mortality after surgery. METHODS: From January 1997 to January 2013, 144 patients on chronic hemodialysis and 1233 nonhemodialysis patients underwent valve surgery for IE at our institution...
July 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28625819/outcomes-of-relocation-of-basilic-vein-in-brachiobasilic-fistulas-in-chronic-renal-failure
#2
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
#3
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/28619645/introduction-of-arteriovenous-grafts-with-graft-insertion-anastomosis-for-hemodialysis-access
#4
Takuya Hatakeyama, Hiroyuki Okamoto, Tatsu Nakazawa, Tatsuya Nonaka, Sei Sasaki, Masanobu Hoshino
OBJECTIVE: An arteriovenous bridging graft is a viable option for patients with compromised arteries or veins because of advanced age or diabetes. Arteriovenous graft with graft insertion anastomosis (AVGI) is the novel technique for graft-vein anastomosis where the prosthesis is inserted into the vein, and the anastomosis is performed on the surface of the prosthesis. This study assessed the short-term and long-term results of AVGI to clarify the efficacy of this technique. METHODS: Between 2010 and 2015, AVGI was performed in graft-vein anastomosis of prosthetic forearm loop access...
June 12, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28606889/parallel-suture-technique-with-proglide-a-novel-method-for-management-of-vascular-access-during-transcatheter-aortic-valve-implantation-tavi
#5
Ilka Ott, Anupama Shivaraju, Nina R Schäffer, Antonio H Frangieh, Jonathan Michel, Oliver Husser, Christian Hengstenberg, Patrick Mayr, Roisin Colleran, Constanza Pellegrini, Salvatore Cassese, Massimilliano Fusaro, Heribert Schunkert, Adnan Kastrati, Albert M Kasel
AIMS: Aim of this study was to evaluate vascular complications using the "parallel suture technique" in patients receiving Edwards SAPIEN XT (SXT) or SAPIEN S3 (S3) transcatheter heart valve (THV). METHODS AND RESULTS: Two hundred consecutive patients with symptomatic severe aortic stenosis treated with TF-TAVI were included in this study where the "parallel suture technique" was applied for vascular access site closure. This was achieved by placing the sutures medial and lateral to the puncture site...
June 13, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28604988/efficacy-of-statin-on-vascular-access-patency-in-diabetic-hemodialysis-patients
#6
Satoru Sanada, Yasunori Miyasaka, Atsuhiro Kanno, Kozo Sato, Mitsuhiro Sato, Hisako Sugai, Hiroshi Kitamura, Toshinobu Sato, Yoshio Taguma
INTRODUCTION: An effective approach to prevent hemodialysis vascular access dysfunction is still unclear despite previous studies, which have shown conflicting results of several drugs on vascular access outcomes. In this study, we focused on diabetic hemodialysis patients with native arteriovenous fistula and evaluated the impact of statin treatment on vascular access patency. METHODS: A retrospective cohort study of 268 consecutive patients who newly started hemodialysis due to diabetic nephropathy between January 2011 and December 2013 at Japan Community Health Care Organization Sendai Hospital was performed and the patients were followed for two years...
June 7, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28604185/cavernous-sinus-dural-arteriovenous-fistula-treated-by-facial-vein-direct-puncture-case-report-and-review-of-the-literature
#7
Atsushi Matsumoto, Masanobu Okauchi, Atsushi Shindo, Masahiko Kawanishi, Takashi Tamiya
Introduction In case of cavernous sinus dural arteriovenous fistula (CSDAVF), transvenous embolization (TVE) of the cavernous sinus (CS) via the inferior petrosal sinus (IPS) is generally performed. However, various approach routes have been reported when the accessibility of the IPS is challenging. We herein report a case of CSDAVF treated by TVE with direct puncture of the facial vein. Case report A 70-year-old woman who suffered from tinnitus, chemosis, diplopia and bruit was referred to our hospital. Digital subtraction angiography (DSA) demonstrated CSDAVF...
June 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28599902/cost-effectiveness-analysis-of-vascular-access-referral-policies-in-ckd
#8
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/28595481/retrograde-popliteal-access-to-percutaneous-peripheral-intervention-for-chronic-total-occlusion-of-superficial-femoral-arteries
#9
Mert Dumantepe
OBJECTIVE: The aim of this study is to present our initial experience with the use of the retrograde popliteal artery access in patients with chronic total occlusions of superficial femoral artery (SFA). METHOD: From July 2012 to May 2014, a total of 28 patients (20 men, mean age 61.2 ± 11.5 years) with total occlusion of the SFA and good distal runoff were treated with percutaneous atherectomy, balloon angioplasty, and stenting (mean length 165.3 ± 57.5 mm, range 72-336 mm)...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28591486/computational-fluid-dynamic-analysis-of-the-hemodialysis-plastic-cannula
#10
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
https://www.readbyqxmd.com/read/28590946/hospitalization-among-individuals-waitlisted-for-kidney-transplant
#11
Kira L Newman, Raymond J Lynch, Andrew B Adams, Rebecca Zhang, Stephen O Pastan, Rachel E Patzer
BACKGROUND: For patients waitlisted for a deceased-donor kidney, hospitalization is associated with a lower likelihood of transplantation and worse posttransplant outcomes. However, individual-, neighborhood-, and regional-level risk factors for hospitalization throughout the waitlist period and specific causes of hospitalization in this population are unknown. METHODS: We used United States Renal Data System Medicare-linked data on patients waitlisted between 2005 and 2013 with continuous enrollment in Medicare Parts A & B (n=53 810) to examine the association between annual hospitalization rate and a variety of demographic, clinical, and social factors...
June 6, 2017: Transplantation
https://www.readbyqxmd.com/read/28587565/anterolateral-popliteal-puncture-technique-a-novel-retrograde-approach-for-chronic-femoropopliteal-occlusions
#12
Michinao Tan, Kazushi Urasawa, Ryoji Koshida, Takuya Haraguchi, Shunsuke Kitani, Yasumi Igarashi, Katsuhiko Sato
PURPOSE: To describe the feasibility and safety of an anterolateral popliteal puncture technique as a retrograde access to chronic total occlusions (CTOs) in the femoropopliteal segment. METHODS: Twenty consecutive patients (mean age 75.1±10.9 years; 13 women) with symptomatic femoropopliteal occlusive disease underwent endovascular therapy via a retrograde access using the anterolateral popliteal puncture technique. With the patient supine, the P3 segment of the popliteal artery was accessed with a sheathless technique intended to provide minimally invasive access...
June 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28579291/successful-use-of-partial-aneurysmectomy-and-repair-approach-for-managing-complications-of-arteriovenous-fistulas-and-grafts
#13
Shouwen Wang, Michele S Wang
OBJECTIVE: Arteriovenous fistulas and grafts may often be associated with localized complications related to aneurysms/pseudoaneurysms, buttonholes, or structural defects that require proper management to ensure continued access functionality for hemodialysis. Partial aneurysmectomy and repair (PAR) is a targeted surgical approach specifically designed for managing these complications. The basic concepts of PAR include resecting unhealthy or excessive tissue over an access, reconstructing the vascular access lumen using in situ vascular wall or tissue when possible, and closing overlying skin with healthy margins to promote reliable healing...
May 31, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28576453/epidemiology-of-infections-and-antimicrobial-use-in-australian-haemodialysis-outpatients-findings-from-a-victorian-surveillance-network-2008-2015
#14
Leon J Worth, Tim Spelman, Steven G Holt, Judith A Brett, Ann L Bull, Michael J Richards
BACKGROUND: Patients with chronic renal failure who require haemodialysis are at high risk for infections. The objectives of this study were to determine the burden of bloodstream and local access-related infections and prescribing patterns for intravenous antibiotics in Australian haemodialysis outpatients. METHODS: A surveillance network was established following stakeholder consultation, with voluntary participation by haemodialysis centres and data collation by the Victorian Healthcare Associated Infection Surveillance System Coordinating Centre...
May 30, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28575884/predictors-of-clinical-outcomes-in-hemodialysis-patients-a-multicenter-observational-study
#15
Tayebeh Soleymanian, Hossein Niyazi, Shaghayegh Noorbakhsh Jafari Dehkordi, Shokoufeh Savaj, Hassan Argani, Iraj Najafi
INTRODUCTION: Cardiovascular and noncardiovascular mortality and morbidity rates of hemodialysis patients are high despite improvement in dialysis delivery. MATERIALS AND METHODS: Hemodialysis patients (n = 532) from 9 hemodialysis facilities were enrolled in this cohort study in September 2012. Causes of death, hospitalization, and hemodialysis exit were recorded during a 28-month follow-up period. A Cox proportional hazard model was used to predict death adjusting for case-mix variables, nutrition variables, bone mineral variables, Kt/V, vascular access, and Charlson comorbidities index...
May 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28567356/radial-artery-occlusion-after-transradial-coronary-catheterization
#16
REVIEW
Grigorios Avdikos, Aris Karatasakis, Andreas Tsoumeleas, Efstathios Lazaris, Antonios Ziakas, Michael Koutouzis
The transradial approach (TRA) for coronary angiography and interventions is increasingly utilized around the world. Radial artery occlusion (RAO) is the most common significant complication after transradial catheterization, with incidence varying between 1% and 10%. Although RAO is rarely accompanied by hand ischemia, it is an important complication because it prohibits future transradial access and radial artery utilization as a conduit for coronary artery bypass grafting or arteriovenous fistula formation...
June 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28565966/a-vascular-complications-risk-vascor-score-for-patients-undergoing-invasive-cardiac-procedures-in-the-catheterization-laboratory-setting-a-prospective-cohort-study
#17
A C Paganin, M G Beghetto, V N Hirakata, T S Hilário, R Matte, J M Sauer, E R Rabelo-Silva
BACKGROUND: Vascular complications are still common in the catheterization laboratory setting. However, no risk scores for their prediction have been described. With a view to bridging this gap, the present study sought to develop and validate a score for prediction of vascular complications associated with arterial access in patients undergoing interventional cardiology procedures. METHODS: This prospective multicenter cohort study included adult patients who underwent cardiac catheterization via the femoral or radial route...
June 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28558378/pial-arteriovenous-fistula-and-capillary-malformation-arteriovenous-malformation-associated-with-rasa1-mutation-2-pediatric-cases-with-successful-surgical-management
#18
A Jessey Chugh, Asim Shahid, Sunil Manjila, Deepak Gulati, Nicholas C Bambakidis
We present case reports of 2 pediatric patients who were both found to have pial arteriovenous fistulas (AVFs) with subsequent genetic analysis revealing mutations in the RASA1 gene. Considering their family history of distinct cutaneous lesions, these mutations were likely inherited as opposed to de novo mutations. Patient 1 had large capillary malformations on the left side of the face and neck, associated with macrocephaly, and presented at the age of 32 months with speech delay, right-sided weakness, and focal seizures involving the right side of the body...
May 31, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28553040/prosthetic-hemodialysis-access-induced-distal-hand-ischemia-and-its-contributors-in-diabetics
#19
S M Alamshah, I Nazari, A Nahidi, M Sametzadeh, S Khodabakhshi
Avoidance of hand ischemia in the construction of prosthetic access for hemodialysis in diabetics that have no suitable vein for arteriovenous fistula is appreciated. Taper type may be an appropriately matched conduit to prevent its occurrence. This is a prospective controlled trial of 38 selected diabetics requiring hemodialysis, who were referred to our clinic during a period of 6 months. The aim of the study was to evaluate the efficacy of tapered grafts in preventing distal hand hypoperfusion and determining its most likely contributors...
May 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28553035/brachiocephalic-arteriovenous-fistula-for-hemodialysis-through-the-median-antecubital-vein
#20
E Elamurugan, R Hemachandar
In patients unsuitable for radiocephalic fistula creation, the next option is brachiocephalic fistula. In such patients, we exploited the venous interconnections in the cubital fossa for median cubital vein-Brachiocephalic arteriovenous fistula (AVF) creation. In this article, we describe our experience in the creation of such technical variant of the brachiocephalic fistula AVF, its success and associated complications. A retrospective review of such AVF created between September 2014 and August 2015 was done...
May 2017: Indian Journal of Nephrology
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