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Arteriovenous access

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https://www.readbyqxmd.com/read/29456217/vascular-access-mortality-and-hospitalization-among-hemodialysis-patients-in-palestine
#1
Sondus A Hamadneh, Saja A Nueirat, Jamal Qadoomi', Mohammed Shurrab, Wajeh Y Qunibi, Zakaria Hamdan
Vascular access complications are common in patients with end-stage kidney disease who are receiving maintenance hemodialysis (HD) and are responsible for an enormous burden of morbidity and mortality among these patients. Differences in the all-cause mortality rate and hospitalization between dialysis catheter use and arteriovenous (AV) vascular access use have not been documented in our HD population. We performed a 12-month prospective analysis of our HD patients from four dialysis centers. We examined all-cause mortality and hospitalization in patients being dialyzed through HD catheters as compared to patients with AV access...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29455013/laser-recanalization-of-central-venous-occlusion-to-salvage-a-threated-arteriovenous-fistula
#2
Sagar Rambhia, Matthew Janko, Robert I Hacker
Central venous occlusion is conventionally managed with balloon angioplasty, stent extension or sharp recanalization. Here we describe recanalization of a chronically occluded innominate vein using excimer laser after conventional techniques were unsuccessful. Patient clinical improvement and fistula patency have been sustained two years post-intervention. This technique may provide new hemodialysis access options for patients who would not otherwise be candidates for hemodialysis access on the ipsilateral side of a central venous occlusion...
February 15, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29452835/a-comparison-of-preoperative-and-intraoperative-vein-mapping-sizes-for-arteriovenous-fistula-creation
#3
Samuel H Hui, Ryan Folsom, Lois A Killewich, Joel E Michalek, Mark G Davies, Lori L Pounds
BACKGROUND: Duplex ultrasound (DUS) mapping of the veins and arteries of the upper extremity is a well-established practice in arteriovenous fistula creation for long-term hemodialysis access. Previous publications have shown that vein diameters varying from 2 to 3 mm are predictive of success. Regional anesthesia is known to result in vasodilation and thus to increase the diameter of upper extremity veins. This study compares the sizes of veins measured by preoperative DUS mapping with those obtained after regional anesthesia to determine whether intraoperative DUS results in increased vein diameters and thus changes in the operative plan...
February 13, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29444477/the-microbiome-in-chronic-kidney-disease-patients-undergoing-hemodialysis-and-peritoneal-dialysis
#4
REVIEW
Liliana Simões-Silva, Ricardo Araujo, Manuel Pestana, Isabel Soares-Silva, Benedita Sampaio-Maia
Chronic kidney disease (CKD) is associated with an imbalanced human microbiome due not only to CKD-associated factors such as uremia, increased inflammation and immunosuppression, but also to pharmacological therapies and dietary restrictions. End-stage renal disease patients require renal replacement therapies commonly in the form of hemodialysis (HD) or peritoneal dialysis (PD). HD implies the existence of a vascular access, such as an arteriovenous fistula/graft or a venous catheter, whereas PD implies a long-term peritoneal catheter and the constant inflow of peritoneal dialysate...
February 11, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29443413/vascular-access-for-therapeutic-plasma-exchange
#5
REVIEW
Tina S Ipe, Marisa B Marques
Therapeutic plasma exchange is an apheresis modality in which plasma is separated from the blood cellular components ex vivo, discarded, and replaced with an isosmotic fluid (most commonly 5% albumin) to maintain appropriate oncotic pressure in the patient. Therapeutic plasma exchange is used in the treatment of many diseases and indications. The recent seventh edition of the American Society for Apheresis guidelines indicates approximately 72 diseases and 116 indications for which therapeutic plasma exchange may be effective...
February 2018: Transfusion
https://www.readbyqxmd.com/read/29439611/do-not-underestimate-the-femoral-pseudoaneurysm
#6
Maria Stolt, Ruediger Braun-Dullaeus, Joerg Herold
In addition to haematoma and arteriovenous fistula, the iatrogenic pseudoaneurysm is a common complication of vascular access that is caused by a perforation in the arterial wall. Iatrogenic pseudoaneurysms can progress in size and lead to rupture and active bleeding. Over the previous few decades, therapeutic methods have evolved from surgical repair to less invasive options, such as ultrasound-guided compression therapy (UGCT) and ultrasound-guided thrombin injection (UGTI). This paper presents an overview of the diagnostic and treatment modalities used in femoral pseudoaneurysms as well as a comprehensive summary of previous studies that analysed the success and complication rates of UGCT and UGTI...
February 14, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29429750/arteriovenous-fistula-maturation-in-prevalent-hemodialysis-patients-in-the-united-states-a%C3%A2-national%C3%A2-study
#7
Kenneth J Woodside, Sarah Bell, Purna Mukhopadhyay, Kaitlyn J Repeck, Ian T Robinson, Ashley R Eckard, Sudipta Dasmunshi, Brett W Plattner, Jeffrey Pearson, Douglas E Schaubel, Ronald L Pisoni, Rajiv Saran
BACKGROUND: Arteriovenous fistulas (AVFs) are the preferred form of hemodialysis vascular access, but maturation failures occur frequently, often resulting in prolonged catheter use. We sought to characterize AVF maturation in a national sample of prevalent hemodialysis patients in the United States. STUDY DESIGN: Nonconcurrent observational cohort study. SETTING & PARTICIPANTS: Prevalent hemodialysis patients having had at least 1 new AVF placed during 2013, as identified using Medicare claims data in the US Renal Data System...
February 8, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29424185/predictors-of-early-failure-and-secondary-patency-in-native-arteriovenous-fistulas-for-hemodialysis
#8
Rui Abreu, Sara Rioja, Joaquin Vallespin, Xavier Vinuesa, Ruben Iglesias, Jose Ibeas
BACKGROUND: Native arteriovenous fistula (AVF) is considered the gold standard of vascular access for hemodialysis due to its longer survival, fewer complications, lower mortality and costs. Patency is important for effective dialysis treatment and this remains a challenge in nephrology. There are no well-defined prognostic factors for early and long-term AVF survival. The aim of this study was to evaluate comorbidity, analytical and ultrasound (US) variables as prognostic factors for early failure and AVF patency...
February 8, 2018: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/29422845/myointimal-hyperplasia-in-a-patient-with-neuromyelitis-optica-devic-s-disease-after-the-creation-of-an-arteriovenous-graft
#9
Christina Rao, Stephanie Fox, Sapan S Desai
Neuromyelitis optica, also known as Devic's disease, is an autoimmune disorder that leads to the inflammation and demyelination of nerves. Devic's disease primarily affects the optic nerve and spinal cord, but can lead to a significant loss of function throughout the body if not treated with steroid therapy or plasmapheresis. We recently saw a 62-year-old patient who received plasmapheresis for Devic's disease through a PTFE arteriovenous graft in her left arm. Her graft clotted without warning, and percutaneous thrombolysis was not successful...
September 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/29421426/surgical-treatment-of-cephalic-arch-problems-in-arteriovenous-fistulas-a-center-experience
#10
Mónica Fructuoso, Joana Ferreira, Pedro Sousa
INTRODUCTION: Cephalic arch problems, mainly stenosis (CAS), are a common cause of arteriovenous fistulas (AVFs) failure and the most effective treatment is yet to be clearly defined. Restenosis usually occurs soon and multiple interventions become necessary to maintain patency and functionality. The authors present the experience of their center with cephalic vein transposition in a group of patients with different problems involving the cephalic arch. MATERIAL AND METHODS: After consultation of the medical records, an observational retrospective analysis was performed to evaluate the outcomes of surgical treatment in cephalic arch problems of AVFs treated at the author's center between January of 2013 and December of 2015...
February 5, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29411718/glucose-pump-test-can-be-used-to-measure-blood-flow-rate-of-native-arteriovenous-fistula-in-chronic-hemodialysis
#11
Y C Yavuz, N Y Selcuk, L Altıntepe, I Güney, S Yavuz
PURPOSE: In chronic hemodialysis patients, the low flow of vascular access may leads to inadequate dialysis, increased rate of hospitalization, morbidity, and mortality. It was found that surveillance should be performed for native arteriovenous (AV) should not be performed for AV graft in various studies. However, surveillance was done in graft AV fistulas in most studies. Doppler ultrasonography (US) was suggested for surveillance of AV fistulas by the last vascular access guideline of National Kidney Foundation Disease Outcomes Quality Initiative (NKF KDOQI)...
January 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29410371/trans-venous-embolization-of-a-basal-ganglia-ruptured-arteriovenous-malformation-with-open-surgical-arterial-control-a-hybrid-technique
#12
Zsolt Kulcsár, Paolo Machi, Karl Schaller, Karl Olof Lovblad, Philippe Bijlenga
Treatment of ruptured deep-seated arteriovenous malformations is challenging and associated with elevated risks. This is due to the proximity or involvement of critical brain structures and the specifically fine and delicate angioarchitecture of these lesions, making both endovascular and surgical access technically complicated. We present the advantages of a true combined, open surgical and endovascular transvenous approach in a hybrid operating room. The technique may overcome in part the difficulties and may improve safety and risk related concerns...
February 1, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29401294/the-first-365-days-on-haemodialysis-variation-in-the-haemodialysis-access-journey-and-its-associated-burden
#13
Eleanor Murray, Mahmoud Eid, Jamie P Traynor, Karen S Stevenson, Ram Kasthuri, David B Kingsmore, Peter C Thomson
Background: The modality by which haemodialysis (HD) is delivered [arteriovenous fistula (AVF), arteriovenous graft (AVG) or central venous catheter (CVC)] varies widely and is influenced by clinical evidence, patient factors and the prevailing service configuration. The aim of this study was to determine the outcome and impact of access strategy on patient outcome by mapping out the HD journey in a cohort of incident patients. Methods: A 2-year cohort of consecutive incident HD patients from the point of referral for first dialysis access to completion of the first 365 days of HD was prospectively reviewed...
February 1, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29399534/hemodialysis-access-thrombosis
#14
REVIEW
Keith Bertram Quencer, Rahmi Oklu
For the over 400,000 patients in the United States dependent on hemodialysis, arteriovenous (AV) access thrombosis may lead to missed dialysis sessions, inpatient admissions and the need for placement of temporary dialysis catheters. It is also the leading cause of permanent access loss. Percutaneous declotting is generally preferred over surgical thrombectomy. Various percutaneous approaches can be employed including the lyse-and-wait technique, thromboaspiration, pulse spray aided pharmacomechanical thrombolysis, and use of mechanical thrombectomy device...
December 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/29398178/relationships-between-clinical-processes-and-arteriovenous-fistula-cannulation-and-maturation-a%C3%A2-multicenter-prospective-cohort-study
#15
Michael Allon, Peter B Imrey, Alfred K Cheung, Milena Radeva, Charles E Alpers, Gerald J Beck, Laura M Dember, Alik Farber, Tom Greene, Jonathan Himmelfarb, Thomas S Huber, James S Kaufman, John W Kusek, Prabir Roy-Chaudhury, Michelle L Robbin, Miguel A Vazquez, Harold I Feldman
BACKGROUND: Half of surgically created arteriovenous fistulas (AVFs) require additional intervention to effectively support hemodialysis. Postoperative care and complications may affect clinical maturation. STUDY DESIGN: Hemodialysis Fistula Maturation (HFM) Study, a 7-center prospective cohort study. SETTING & PARTICIPANTS: 491 patients with single-stage AVFs who had neither thrombosis nor AVF intervention before a 6-week postoperative ultrasonographic examination and who required maintenance hemodialysis...
February 2, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29397335/proposed-standards-for-reporting-outcomes-of-treating-biliary-injuries
#16
Jai Young Cho, Todd H Baron, David L Carr-Locke, William C Chapman, Guido Costamagna, Eduardo de Santibanes, Ismael Dominguez Rosado, O James Garden, Dirk Gouma, Keith D Lillemoe, Miguel Angel Mercado, Daniel K Mullady, Robert Padbury, Daniel Picus, Henry A Pitt, Stuart Sherman, Richard Shlansky-Goldberg, Bjorn Tornqvist, Steven M Strasberg
BACKGROUND: There is no standard nor widely accepted way of reporting outcomes of treatment of biliary injuries. This hinders comparison of results among approaches and among centers. This paper presents a proposal to standardize terminology and reporting of results of treating biliary injuries. METHODS: The proposal was developed by an international group of surgeons, biliary endoscopists and interventional radiologists. The method is based on the concept of "patency" and is similar to the approach used to create reporting standards for arteriovenous hemodialysis access...
January 31, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29395485/omega-3-polyunsaturated-fatty-acid-supplementation-to-prevent-arteriovenous-fistula-and-graft-failure-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
Andrea K Viecelli, Ashley B Irish, Kevan R Polkinghorne, Carmel M Hawley, David W Johnson, Trevor A Mori, Elaine M Pascoe, Giovanni F M Strippoli, Charmaine E Lok, Suetonia C Palmer
BACKGROUND: Arteriovenous access failure frequently occurs in people on hemodialysis and is associated with morbidity, mortality and large healthcare expenditures. Omega-3 polyunsaturated fatty acids (omega-3 PUFA) may improve access outcomes via pleiotropic effects on access maturation and function, but may cause bleeding complications. STUDY DESIGN: Systematic review with meta-analysis. SETTING & POPULATION: Adults requiring hemodialysis via arteriovenous fistula or graft...
January 27, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29391103/predictors-of-steal-in-hemodialysis-access
#18
Abraham Korn, Hamid Alipour, Joshua Zane, Kelsey Gray, Timothy Ryan, Amy Kaji, Christian De Virgilio, Nina Bowens
Pathological steal is an uncommon but devastating complication after the creation of arteriovenous access for hemodialysis. In this study, we sought to assess predictors of clinically significant steal syndrome and to further evaluate the outcome of differing surgical treatment approaches. A retrospective analysis was performed of 282 consecutive patients undergoing hemodialysis access at a single center from November 2014 to April 2016. Adequate follow-up to assess for the development of steal was obtained in 237 patients...
October 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29391102/the-burden-of-tunneled-central-venous-catheters-for-hemodialysis-in-a-county-hospital
#19
Eric Pillado, Abraham Korn, Christian de Virgilio, Nina Bowens
Prolonged use of central venous catheters (CVCs) for hemodialysis (HD) is associated with greater morbidity and mortality when compared with autogenous arteriovenous fistulas (AVF). The objective was to assess compliance with CVC guidelines in adults referred for hemoaccess at a county teaching hospital. Out of 256 patients, 172 (67.2%) were male, with a mean age of 50.0 ± 12.4 years. Overall 62.5 per cent initiated dialysis via CVC. Patients were divided into two groups (those with CVC (62.5%) and those without (37...
October 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29383296/a-combined-open-and-endovascular-approach-for-the-treatment-of-a-torcular-dural-arteriovenous-fistula
#20
Luke Tomycz, Ali S Haider, Jefferson Miley
Cranial dural arteriovenous fistulae (dAVFs) are complex vascular lesions, rarely encountered within the pediatric population. Endovascular embolization has revolutionized the management of these lesions and should be regarded as the first-line treatment for the majority of dAVFs; however, in a subset of particularly complicated lesions, traditional routes of access either do not exist or have been eliminated in the course of prior embolization attempts. We describe the case of an 11-year-old boy with a complicated torcular dAVF refractory to multiple attempts at standard endovascular treatment...
November 24, 2017: Curēus
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