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Arteriovenous fistula

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https://www.readbyqxmd.com/read/28634312/-a-case-of-dural-arteriovenous-fistula-in-the-anterior-cranial-fossa-that-developed-remote-from-the-craniotomy-site-after-surgery
#1
Ichiro Kawahara, Takashi Fujimoto, Makoto Hirose, Keisuke Toyoda, Naoki Kitagawa
Dural arteriovenous fistula(dAVF)is relatively rare, and its etiology remains uncertain. Generally, dAVF is thought to be acquired and has been reported to develop secondary to sinus thrombosis, head injury, infection, and surgery. We report a rare case of dAVF in the anterior cranial fossa that developed remote from the craniotomy site after surgery. A 52-year-old man underwent surgery for hypertensive intracerebral hemorrhage 4 years prior. Perioperative imaging modalities demonstrated no abnormal vascular malformation except for an un-ruptured anterior communicating artery aneurysm...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28634065/remote-lesions-of-synchronous-sacral-and-cervical-dural-arteriovenous-fistulas-a-case-report
#2
Yasuyuki Kaku, Yuki Ohmori, Takayuki Kawano, Yuki Takeshima, Jun-Ichi Kuratsu
BACKGROUND: Spinal dural arteriovenous fistula (DAVF) is a rare disease and multiple concurrent lesions are extremely rare. Such multiple spinal DAVFs have similar outflow routes at neighboring levels. However, there have been no reported cases of remote lesions of multiple spinal DAVFs. The authors herein report a case of double synchronous cervical and sacral DAVFs. CASE DESCRIPTION: A 56-year-old man with no prior history of disease presented with progressive myelopathy, and spinal magnetic resonance imaging (MRI) showed extensive edema of the spinal cord from the conus to T7...
June 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28625906/the-impact-of-associated-nidal-lesions-in-outcome-of-brain-arteriovenous-malformations-after-radiosurgery-with-or-without-embolization
#3
Carlos Michel A Peres, Evandro Cesar de Souza, Manoel Jacobsen Teixeira, Eberval G Figueiredo, Jose Guilherme M P Caldas
BACKGROUND: Radiosurgery is a valuable option to treat arteriovenous malformations. There are correlations between some morphological nidal features and final results, and the benefits of preradiosurgical embolization have not been well established thus far. METHODS: Analysis of a longitudinal cohort of 47 consecutive patients who underwent radiosurgery with or without previous embolization. Embolizations were performed exclusively with n-butyl cyanoacrylate. Radiosurgery was delivered either as a single or divided in up to 5 equal fractions...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28625819/outcomes-of-relocation-of-basilic-vein-in-brachiobasilic-fistulas-in-chronic-renal-failure
#4
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
#5
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/28624385/arteriovenous-radial-fistula-a-rare-and-delayed-complication-of-coronary-angiography
#6
Isaac Pascual, Rebeca Lorca, Pablo Avanzas, Daniel Hernández-Vaquero, César Morís
No abstract text is available yet for this article.
June 7, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28623998/ruptured-common-femoral-vein-pseudoaneurysm-from-a-common-femoral-arteriovenous-fistula-presenting-as-lower-extremity-steal-after-radiofrequency-ablation-of-the-great-saphenous-vein
#7
Robert Scott Brumberg, Cassie Davis
Radiofrequency ablation of the superficial venous systems has become one of the mainstays of minimally invasive approaches to varicose veins and chronic venous insufficiency. These procedures have high rates of success with scarce complications. This case report highlights a patient with a common femoral arteriovenous fistula presenting with lower extremity steal after radiofrequency ablation treatment of the great saphenous vein. During operative repair of the arteriovenous fistula, a pseudoaneurysm of the common femoral vein ruptured...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28621628/gamma-knife-surgery-for-clival-epidural-osseous-dural-arteriovenous-fistulas
#8
Cheng-Chia Lee, Ching-Jen Chen, Shao-Ching Chen, Huai-Che Yang, Chung Jung Lin, Chih-Chun Wu, Wen-Yuh Chung, Wan-Yuo Guo, David Hung-Chi Pan, Cheng-Ying Shiau, Hsiu-Mei Wu
OBJECTIVE Clival epidural-osseous dural arteriovenous fistula (DAVF) is often associated with a large nidus, multiple arterial feeders, and complex venous drainage. In this study the authors report the outcomes of clival epidural-osseous DAVFs treated using Gamma Knife surgery (GKS). METHODS Thirteen patients with 13 clival epidural-osseous DAVFs were treated with GKS at the authors' institution between 1993 and 2015. Patient age at the time of GKS ranged from 38 to 76 years (median 55 years). Eight DAVFs were classified as Cognard Type I, 4 as Type IIa, and 1 as Type IIa+b...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28611837/embolization-of-sacral-dural-arteriovenous-fistulas-a-case-series-and-literature-review
#9
Anthony M Alvarado, Diogo C Haussen, Koji Ebersole, Raul G Nogueira, Michael G Abraham
The authors report 2 cases of sacral dural arteriovenous fistula (AVF) presenting with gradual neurologic decline characterized by progressive lower extremity weakness and bowel and bladder incontinence. Spinal angiography demonstrated a sacral dural AVF with perimedullary vein engorgement and drainage extending to the level of the cervical spine in both cases. The fistulas were completely obliterated with n-BCA (n-butyl cyanoacrylate) embolic agent in one case, and with ethylene vinyl alcohol (Onyx) in the second, resulting in improvement of the symptoms in both patients...
March 2017: Interventional Neurology
https://www.readbyqxmd.com/read/28611519/sonographic-appearance-of-anal-cushions-of-hemorrhoids
#10
Adilijiang Aimaiti, Ma Mu Ti Jiang A Ba Bai Ke Re, Irshat Ibrahim, Hui Chen, Maimaitituerxun Tuerdi, Mayinuer
AIM: To evaluate the diagnostic value of different sonographic methods in hemorrhoids. METHODS: Forty-two healthy volunteers and sixty-two patients with grades I-IV hemorrhoids received two different sonographic examinations from January 2013 to January 2016 at the First and Second Hospitals of Xinjiang Medical University in a prospective way. We analyzed the ultrasonographic findings of these participants and evaluated the outcomes. Resected grades III and IV hemorrhoid tissues were pathologically examined...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28611138/cardiac-arrest-following-arteriovenous-fistula-manipulation-a-cautionary-note
#11
Miles Gandolfi, Bimbi S Fernando
Arteriovenous fistulas can lead to a number of different chronic complications. We describe a case where a patient developed a thrombosis within her brachiobasilic arteriovenous fistula, which was manually manipulated in order to restore fistula flow. This resulted in a pulseless electrical activity cardiac arrest within a few minutes. After ten minutes of chest compressions and intubation, there was return of spontaneous circulation. No epinephrine was given nor shocks administered. Patient was extubated within minutes and was alert, orientated and haemodynamically stable...
June 13, 2017: BMJ Case Reports
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
#12
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
#13
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/28604986/reduction-of-lung-congestion-following-arteriovenous-fistula-flow-reduction-in-renal-graft-recipient
#14
Krzysztof Letachowicz, Oktawia Mazanowska, Maria Boratyńska, Marta Obremska, Anna Goździk, Mariusz Kusztal, Magdalena Krajewska, Tomasz Gołębiowski, Marian Klinger
No abstract text is available yet for this article.
June 6, 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
#15
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/28602497/anatomical-localization-of-the-cavernous-sinus-dural-fistula-by-3d-rotational-angiography-with-emphasis-on-clinical-and-therapeutic-implications
#16
Santhosh Kumar Kannath, Jayadevan Enakshy Rajan, Sankara P Sarma
BACKGROUND AND PURPOSE: Carotid cavernous sinus dural arteriovenous fistulas (CSDAVFs) are presumed to be located within the walls of the cavernous sinus, however the exact fistulous site has not yet been studied by angiographic or anatomical methods. The present study aimed to localize CSDAVFs with the help of 3D rotational angiography (RA) and correlated the observations with clinical and angiographic findings. MATERIALS AND METHODS: The CSDAVFs were categorized as dural, extradural or osseous based on the site of convergence of feeders into the venous sac...
June 8, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28599902/cost-effectiveness-analysis-of-vascular-access-referral-policies-in-ckd
#17
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/28598296/letter-to-the-editor-endovascular-and-surgical-management-of-spinal-dural-arteriovenous-fistulas
#18
Ravi Sharma, Manoj Phalak, Shashank S Kale
No abstract text is available yet for this article.
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28595505/wound-complications-after-common-femoral-vein-endophlebectomy-influence-on-outcome
#19
Alexander Gombert, Mohammad E Barbati, Jochen Grommes, Ralph Lm Kurstjens, Mark Af deWolf, Cees Ha Wittens, Houman Jalaie
Introduction Venous recanalization of obstructed femoral and iliac veins is associated with good results regarding the feasibility and patency rate. If the common femoral vein with its inflow vessels is involved, open surgical desobliteration or endophlebectomy has been described as a crucial part of the intervention. However, when performing the hybrid procedure, a number of specific complications have been described. We present our results after venous recanalization including an endophlebectomy, focussing on wound complications and its impact on outcome...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28595481/retrograde-popliteal-access-to-percutaneous-peripheral-intervention-for-chronic-total-occlusion-of-superficial-femoral-arteries
#20
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
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