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Endovascular aneurysm repair

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https://www.readbyqxmd.com/read/28078379/chitosan-sodium-tetradecyl-sulfate-hydrogel-characterization-and-preclinical-evaluation-of-a-novel-sclerosing-embolizing-agent-for-the-treatment-of-endoleaks
#1
Fatemeh Zehtabi, Vincent Dumont-Mackay, Ahmed Fatimi, Antony Bertrand-Grenier, Hélène Héon, Gilles Soulez, Sophie Lerouge
PURPOSE: To compare the efficacy of an embolization agent with sclerosing properties (made of chitosan and sodium tetradecyl sulfate, CH-STS) with a similar embolization agent but without sclerosing properties (made of chitosan, CH) in treating endoleaks in a canine endovascular aneurysm repair model. METHODS: Two chitosan-based radiopaque hydrogels were prepared, one with STS and one without STS. Their rheological, injectability, and embolizing properties were assessed in vitro; afterwards, their efficacy in occluding endoleaks was compared in a canine bilateral aneurysm model reproducing type I endoleaks (n = 9 each)...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28076989/improvement-of-patient-eligibility-with-the-use-of-new-generation-endografts-for-the-treatment-of-abdominal-aortic-aneurysms-a-comparison-study-among-currently-used-endografts-and-literature-review
#2
Nikolaos Kontopodis, George Papadopoulos, Nikolaos Galanakis, Dimitrios Tsetis, Christos V Ioannou
AIM: Newer generation devices have attempted to accommodate a wider range of aortoiliac anatomies offering endovascular aneurysm repair (EVAR) to more patients with abdominal aortic aneurysms (AAAs). We aim to examine the anatomic suitability for the ultra-low profile Ovation endograft in our AAA patients and to compare them with other contemporary devices. RESEARCH DESIGN AND METHODS: 158 consecutive AAA patients treated with EVAR or open surgical repair (OSR) were tested for EVAR eligibility according to the most commonly used endografts' instructions for use...
January 11, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28076617/radiation-exposure-in-endovascular-infra-renal-aortic-aneurysm-repair-and-factors-that-influence-it
#3
Rui Machado, Vitor Miguel Dias Ferreira, Luis Loureiro, João Gonçalves, Pedro Oliveira, Rui Almeida
Objective: The endovascular repair of aortic abdominal aneurysms exposes the patients and surgical team to ionizing radiation with risk of direct tissue damage and induction of gene mutation. This study aims to describe our standard of radiation exposure in endovascular aortic aneurysm repair and the factors that influence it. Methods: Retrospective analysis of a prospective database of patients with abdominal infra-renal aortic aneurysms submitted to endovascular repair...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28073669/reoperation-rates-after-open-and-endovascular-abdominal-aortic-aneurysm-repairs
#4
Conor F Hynes, Kendal M Endicott, Sina Iranmanesh, Richard L Amdur, Robyn Macsata
OBJECTIVE: This study compared reoperation rates associated with open abdominal aortic aneurysm (AAA) repair (OR) outcomes vs endovascular AAA repair (EVAR). METHODS: A retrospective review of the Veterans Affairs Surgical Quality Improvement Project data was performed with inclusion criteria defined as all patients who underwent AAA repair from October 1, 2007, to October 1, 2013. The primary outcome was the incidence of reoperations. Reoperations included subsequent OR or EVAR procedures performed on the abdominal aorta or iliac arteries, surgical treatment of temporally related bowel obstruction, as well as treatment of abdominal or groin wound complications ≤6 months and treatment of bowel or lower limb ischemia ≤10 days...
January 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28073666/standard-endovascular-aneurysm-repair-in-patients-with-wide-infrarenal-aneurysm-necks-is-associated-with-increased-risk-of-adverse-events
#5
Nelson F G Oliveira, Frederico M Bastos Gonçalves, Marie Josee Van Rijn, Quirina de Ruiter, Sanne Hoeks, Jean-Paul P M de Vries, Joost A van Herwaarden, Hence J M Verhagen
OBJECTIVE: Endovascular aneurysm repair (EVAR) has progressively expanded to treat more challenging anatomies. Although EVAR in patients with wide infrarenal necks has been reported with acceptable results, there is still controversy regarding the longer-term outcomes. Our aim is to determine the impact of infrarenal neck diameter on midterm outcome following EVAR with a single endograft with suprarenal fixation. METHODS: A retrospective case-control study was designed using data from a prospective multicenter database...
January 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28069880/repair-of-a-bowel-containing-scrotal-hernia-with-incarceration-contributed-by-femorofemoral-bypass-graft
#6
Gaurav Sharma, Jonathan A Schouten, Kamal M F Itani
The rising use of endovascular techniques utilizing femoral artery access may increase the frequency with which surgeons face the challenge of hernia repair in reoperative groins-which may or may not include a vascular graft. We present a case where a vascular graft contributed to an acute presentation and complicated dissection, and review the literature. A 67-year-old man who had undergone prior endovascular aneurysm repair via open bilateral femoral artery access and concomitant prosthetic femorofemoral bypass, presented with an incarcerated, scrotal inguinal hernia...
January 8, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28069418/splenic-artery-aneurysm-rupture-in-pregnancy
#7
Joshua Jacobson, Chad Gorbatkin, Stacey Good, Scott Sullivan
CASE PRESENTATION: A pregnant woman at 22+5/7weeks gestation presented to the emergency department (ED) from an outpatient clinic, hypotensive after experiencing a syncopal episode. On arrival to the ER she was tachycardic, tachypneic and complaining of abdominal pain. A bedside FAST was performed and noted free fluid in the abdomen. Subsequent CT obtained noted the rare but life-threatening diagnosis of ruptured splenic artery aneurysm that resulted in emergent transfer to the operating room with OB/GYN and general surgery...
December 15, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28068871/predilation-technique-with-balloon-angioplasty-to-facilitate-percutaneous-groin-access-of-large-size-sheath-through-scar-tissue
#8
Felice Pecoraro, Mayur Krishnaswamy, Johnny Steuer, Gilbert Puippe, Nicola Mangialardi, Thomas Pfammatter, Zoran Rancic, Frank J Veith, Neal S Cayne, Mario Lachat
Purpose Percutaneous remote access for endovascular aortic repair is an advantageous alternative to open access. Previous surgery in the femoral region and the presence of synthetic vascular grafts in the femoral/iliac arteries represent major limitations to percutaneous remote access. The aim of this study was to evaluate an original technique used for enabling percutaneous remote access for thoracic or abdominal endovascular aortic repair in patients with scar tissue and/or a vascular graft in the groin. Methods Twenty-five consecutive patients with a thoracic (11/25; 44%) or an aortic aneurysm (14/25; 66%) and with a synthetic vascular graft in the groin (16/25; 64%) or a redo groin access (9/25; 36%) were managed through the percutaneous remote access...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28059000/the-effects-of-preoperative-cardiology-consultation-prior-to-elective-abdominal-aortic-aneurysm-repair-on-patient-morbidity
#9
Anna E Boniakowski, Frank M Davis, Amanda R Phillips, Adina B Robinson, Dawn M Coleman, Peter K Henke
Objectives The relationship between preoperative medical consultations and postoperative complications has not been extensively studied. Thus, we investigated the impact of preoperative consultation on postoperative morbidity following elective abdominal aortic aneurysm repair. Methods A retrospective review was conducted on 469 patients (mean age 72 years, 20% female) who underwent elective abdominal aortic aneurysm repair from June 2007 to July 2014. Data elements included detailed medical history, preoperative cardiology consultation, and postoperative complications...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28058986/midterm-results-of-proximal-aneurysm-sealing-with-the-ovation-stent-graft-according-to-on-vs-off-label-use
#10
Gianmarco de Donato, Francesco Setacci, Luciano Bresadola, Patrizio Castelli, Roberto Chiesa, Nicola Mangialardi, Giovanni Nano, Carlo Setacci
PURPOSE: To compare the use of the Ovation stent-graft according to the ≥7-mm neck length specified by the original instructions for use (IFU) vs those treated off-label (OL) for necks <7 mm long. METHODS: A multicenter retrospective registry (TriVascular Ovation Italian Study) database of all patients who underwent endovascular aneurysm repair with the Ovation endograft at 13 centers in Italy was interrogated to identify patients with a minimum computed tomography (CT) follow-up of 24 months, retrieving records on 89 patients (mean age 76...
January 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28057275/anatomic-suitability-for-transcaval-access%C3%A2-based-on-computed-tomography
#11
REVIEW
Robert J Lederman, Adam B Greenbaum, Toby Rogers, Jaffar M Khan, Melissa Fusari, Marcus Y Chen
Transcaval access has been used successfully for over 200 transcatheter aortic valve replacements, large-bore percutaneous left ventricular assist devices, and thoracic endovascular aortic aneurysm repairs. This review teaches how to plan transcaval access and closure based on computed tomography. The main planning goals are to: 1) identify calcium-free crossing targets in the abdominal aorta along with optimal fluoroscopic projection angles and level with respect to lumbar vertebrae; 2) identify obstacles such as interposed bowel or pedunculated aortic atheroma; 3) plan covered stent bailout; and 4) identify jeopardized vascular branches such as renal arteries that might be obstructed by bailout covered stents if employed...
January 9, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28052662/successful-covered-stent-graft-repair-in-symptomatic-renal-artery-aneurysm-early-after-childbirth
#12
Andrea Siani, Roberto Gabrielli, Federico Accrocca, Giustino Marcucci
Renal artery aneurysm (RAA) rupture during pregnancy is a rare but life-threatening event and few cases have been reported in literature. Currently the best approach, endovascular or surgical, seems to be under discussion. A case of a 31-year-old woman with a symptomatic right RAA detected three days after childbirth is reported. A successful endovascular repair by a covered stent-graft was performed.
February 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28048545/we-de-207a-04-advances-in-radiological-neuro-endovascular-interventional-imaging
#13
S Rudin
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048454/we-de-207a-00-advances-in-image-guided-neurointerventions-clinical-pull-and-technology-push
#14
Jeffrey Siewerdsen, Rebecca Fahrig
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047800/we-de-207a-01-parallels-in-the-evolution-of-x-ray-angiographic-systems-and-devices-used-for-minimally-invasive-endovascular-therapy
#15
C Strother
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047144/we-de-207a-02-advances-in-cone-beam-ct-anatomical-and-functional-imaging-in-angio-suite-to-enable-one-stop-shop-stroke-imaging-workflow
#16
G Chen
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046482/we-de-207a-03-recent-advances-in-devices-used-in-neuro-interventions
#17
M Gounis
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045418/primary-coarctation-related-isthmus-aneurysm-in-an-adult
#18
Jose María González-Santos, María Elena Arnáiz-García, María José Dalmau-Sorlí, Javier Rodríguez-Collado, Javier López Rodríguez
A 56-year-old female patient was transferred due to the presence of a left supraclavicular pulsatile mass. Further work-up was performed to confirm diagnosis. Angiography and computed tomography were also performed. The anatomy of the thoracic aorta suggested an unknown and untreated aortic coarctation. A second aortic narrowing was identified at the aortic arch, a result of elongation of the aorta. Endovascular approach was not possible, due to complexity of the aortic anatomy, and tortuosity. Open surgical repair was successfully performed...
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28043989/impact-of-thoracic-endovascular-aortic-repair-on-radial-strain-in-an-ex-vivo-porcine-model
#19
Foeke J H Nauta, Hector W L de Beaufort, Michele Conti, Stefania Marconi, Arnoud V Kamman, Anna Ferrara, Joost A van Herwaarden, Frans L Moll, Ferdinando Auricchio, Santi Trimarchi
OBJECTIVES: To quantify the impact of thoracic endovascular aortic repair (TEVAR) on radial aortic strain with the aim of elucidating stent-graft-induced stiffening and complications. METHODS: Twenty fresh thoracic porcine aortas were connected to a mock circulatory loop driven by a centrifugal flow pump. A high-definition camera captured diameters at five different pressure levels (100, 120, 140, 160, and 180 mmHg), before and after TEVAR. Three oversizing groups were created: 0-9% (n = 7), 10-19% (n = 6), and 20-29% (n = 6)...
January 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28042763/anatomical-suitability-of-the-zenith-off-the-shelf-p-branch-endograft-in-juxtarenal-aortic-aneurysms-previously-treated-using-the-chimney-technique
#20
Martin Schroeder, Konstantinos P Donas, Konstantinos Stavroulakis, Arne Stachmann, Giovanni Torsello, Theodosios Bisdas
PURPOSE: To examine the suitability of the Zenith off-the-shelf (p-branch) endograft in patients with juxta- or pararenal abdominal aortic aneurysms (J/PRAA) previously treated with endovascular aneurysm repair incorporating the chimney technique (chEVAR). METHODS: Between January 2012 and December 2014, high-resolution computed tomography angiograms and clinical data from 50 patients (mean age 79 years; 45 men) with J/PRAAs treated with chEVAR were retrospectively reviewed...
December 1, 2016: Journal of Endovascular Therapy
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