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Vascular Calification

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https://www.readbyqxmd.com/read/29691099/influence-of-aortic-neck-characteristics-on-successful-aortic-wall-penetration-of-endoanchors-in-therapeutic-use-during-endovascular-aneurysm-repair
#1
Seline R Goudeketting, Kim van Noort, Kenneth Ouriel, William D Jordan, Jean M Panneton, Cornelis H Slump, Jean-Paul P M de Vries
OBJECTIVE: This study sought to quantify EndoAnchor (Medtronic Vascular, Santa Rosa, Calif) penetration into the aortic wall in patients undergoing endovascular abdominal aortic aneurysm repair and to assess predictors of successful penetration and its relationship to postprocedural type IA endoleak. METHODS: A subset of patients from the Aneurysm Treatment Using the Heli-FX Aortic Securement System Global Registry (ANCHOR) were included if they met the following criteria: the indication for EndoAnchor use was to treat a type IA endoleak, and postprocedure contrast-enhanced computed tomography (CT) scans of sufficient quality were available for core laboratory review...
April 21, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29680298/experimental-evaluation-of-homemade-distal-stent-graft-fenestration-for-thoracic-endovascular-aortic-repair-of-type-a-dissection-by-a-transapical-approach
#2
Thomas Gandet, Anis Seghrouchni, Baris Ata Ozdemir, Guillaume Captier, Roland Demaria, Pierre Alric, Bernard Albat, Ludovic Canaud
OBJECTIVE: The use of off-the-shelf stent grafts for thoracic endovascular aortic repair of type A dissections is limited by variability in both the length of the ascending aorta and the location of the proximal intimal tear. This experimental study aimed to assess the feasibility of using a physician-modified thoracic aortic stent graft to treat acute type A dissection by a transapical cardiac approach. METHODS: The experiments were performed on six cadaveric human heart, ascending aorta, aortic arch, and descending aorta specimens...
April 18, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29503006/percutaneous-axillary-artery-access-for-fenestrated-and-branched-thoracoabdominal-endovascular-repair
#3
Luca Bertoglio, Daniele Mascia, Tommaso Cambiaghi, Andrea Kahlberg, Germano Melissano, Roberto Chiesa
OBJECTIVE: The aim of this study was to assess the safety and effectiveness of upper extremity access (UEA) with percutaneous closure of the axillary artery (AxA) during endovascular treatment of thoracoabdominal aortic aneurysms with fenestrated and branched endografts. METHODS: Between January 2014 and 2017, 34 out of 37 patients (92%) required UEA during a staged branched and fenestrated endovascular approach. A percutaneous AxA (pAxA) approach was used in 14 consecutive patients (41%) with the off-label use of two Perclose ProGlide (Abbott Vascular, Santa Clara, Calif) devices...
March 1, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29398309/percutaneous-axillary-artery-access-for-endovascular-interventions
#4
Emily Harris, Courtney J Warner, Jeffrey C Hnath, Yaron Sternbach, R Clement Darling
BACKGROUND: As endovascular therapy becomes increasingly complex, adjunct techniques such as upper extremity arterial access facilitate visceral branch interventions. The purpose of this study was to assess the viability of axillary artery percutaneous access in endovascular repair. METHODS: Records of all patients undergoing axillary artery percutaneous access as part of an endovascular intervention from December 2015 to December 2016 were examined. Demographics of the patients (age, sex, medical comorbidities, smoking status, and anticoagulation) were documented...
February 1, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29367497/registry-assessment-of-peripheral-interventional-devices-rapid-%C3%A3-registry-assessment-of-peripheral-interventional-devices-core-data-elements
#5
W Schuyler Jones, Mitchell W Krucoff, Pablo Morales, Rebecca W Wilgus, Anne H Heath, Mary F Williams, James E Tcheng, J Danica Marinac-Dabic, Misti L Malone, Terrie L Reed, Rie Fukaya, Robert Lookstein, Nobuhiro Handa, Herbert D Aronow, Daniel J Bertges, Michael R Jaff, Thomas T Tsai, Joshua A Smale, Margo J Zaugg, Robert J Thatcher, Jack L Cronenwett, Durham Nc, Silver Spring Md, Tokyo Japan, New York Ny, Providence Ri, Burlington Vt, Newton Mass, Denver Colo, Tempe Ariz, Santa Clara Calif, Minneapolis Minn, Lebanon Nh
BACKGROUND: The current state of evaluating patients with peripheral artery disease and more specifically of evaluating medical devices used for peripheral vascular intervention (PVI) remains challenging because of the heterogeneity of the disease process, the multiple physician specialties that perform PVI, the multitude of devices available to treat peripheral artery disease, and the lack of consensus about the best treatment approaches. Because PVI core data elements are not standardized across clinical care, clinical trials, and registries, aggregation of data across different data sources and physician specialties is currently not feasible...
January 25, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29336903/one-year-experience-of-a-regional-service-model-of-teleconsultation-for-planning-and-treatment-of-complex-thoracoabdominal-aortic-disease
#6
Emiliano Chisci, Gianmarco de Donato, Aaron Fargion, Giorgio Ventoruzzo, Gianbattista Parlani, Carlo Setacci, Leonardo Ercolini, Stefano Michelagnoli
OBJECTIVE: The objective of this study was to report the methodology and 1-year experience of a regional service model of teleconsultation for planning and treatment of complex thoracoabdominal aortic disease (TAAD). METHODS: Complex TAADs without a feasible conventional surgical repair were prospectively evaluated by vascular surgeons of the same public health service (National Health System) located in a huge area of 22,994 km2 with 3.7 million inhabitants and 11 tertiary hospitals...
March 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29242065/preliminary-results-of-endovascular-aneurysm-sealing-from-the-multicenter-italian-research-on-nellix-endoprosthesis-irene-study
#7
Bruno Gossetti, Ombretta Martinelli, Michelangelo Ferri, Roberto Silingardi, Fabio Verzini
OBJECTIVE: Because of advances in technology and experience of the operator, endovascular aneurysm repair (EVAR) has supplanted open repair to treat abdominal aortic aneurysm (AAA). The low 30-day mortality and morbidity of EVAR make the endovascular approach particularly suitable for patients at high surgical risk. However, endoleak or endograft migration requiring secondary intervention or open surgical conversion is a limitation of EVAR. The Nellix system (Endologix, Inc, Irvine, Calif) has been designed to seal the entire AAA to overcome these limitations with EVAR...
December 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29221743/ex-vivo-hydrodynamics-after-central-and-paracommissural-edge-to-edge-technique-a-further-step-toward-transcatheter-tricuspid-repair
#8
Sina Stock, Heidemarie Bohm, Michael Scharfschwerdt, Doreen Richardt, Roza Meyer-Saraei, Stanislav Tsvelodub, Hans-Hinrich Sievers
OBJECTIVES: Transcatheter approaches in heart valve disease became tremendously important and are currently established in the aortic position, but transcatheter tricuspid repair is still in its beginning and remains challenging. Replicating the surgical edge-to-edge technique, for example, with the MitraClip System (Abbott Vascular, Santa Clara, Calif), represents a promising option and has been reported successfully in small numbers of cases. However, up to now, few data considering the edge-to-edge technique as a transcatheter approach are available...
March 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28807381/postoperative-initial-2-day-blood-pressure-management-facilitates-the-shrinkage-of-abdominal-aortic-aneurysm-after-endovascular-aneurysm-repair-by-reducing-the-incidence-of-type-ii-endoleak
#9
Shuhei Miura, Yoshihiko Kurimoto, Kosuke Ujihira, Yutaka Iba, Ryushi Maruyama, Akira Yamada, Masanori Nojima, Katsuhiko Nakanishi
OBJECTIVE: The aim of this study was to evaluate the effect of initial 2-day blood pressure management (BPM) after endovascular aneurysm repair (EVAR) for the incidence of subsequent type II endoleak (T2E) and shrinkage of abdominal aortic aneurysm (AAA) sac diameter. METHODS: We reviewed 136 patients who underwent EVAR for atherosclerotic AAA between July 2008 and July 2014 with one of three stent grafts (Excluder [W. L. Gore & Associates, Flagstaff, Ariz], Powerlink [Endologix Inc, Irvine, Calif], and Endurant [Medtronic Vascular, Santa Rosa, Calif])...
January 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28693029/angio-oct-de-la-zona-avascular-foveal-en-ojos-con-oclusi%C3%A3-n-venosa-de-la-retina
#10
Juliana Wons, Maximilian Pfau, Magdalena A Wirth, Florentina J Freiberg, Matthias D Becker, Stephan Michels
Objetivo: El objetivo del estudio comprendía visualizar y cuantificar las alteraciones patológicas de la zona avascular foveal (ZAF) mediante angio-OCT en ojos con oclusión venosa de la retina (OVR) en comparación con el ojo contralateral sano. Procedimientos: La angio-OCT se llevó a cabo mediante el sistema Avanti® RTVue 100 XR (Optovue Inc., Fremont, Calif., EE. UU.). Los bordes de la capa vascular superficial (CVS) se definieron como 3 μm por debajo de la membrana limitante interna y 15 μm por debajo de la capa plexiforme interna y, para la capa vascular profunda (CVP), como 15 y 70 μm por debajo de la membrana limitante interna y de la capa plexiforme interna, respectivamente...
July 11, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28666823/overstenting-the-hypogastric-artery-during-endovascular-aneurysm-repair-with-and-without-prior-coil-embolization-a-comparative-analysis-from-the-engage-registry
#11
Rutger A Stokmans, Pieter P H L Broos, Marc R H M van Sambeek, Joep A W Teijink, Philippe W M Cuypers
BACKGROUND: Endovascular aneurysm repair of aortoiliac or iliac aneurysms is often performed with stent graft coverage of the origin of the hypogastric artery (HA) to ensure adequate distal seal. It is considered common practice to perform adjunctive coiling of the HA to prevent a type II endoleak. Our objective was to question the necessity of pre-emptive coiling by comparing the outcomes of HA coverage with and without prior coil embolization. METHODS: Data from the Endurant Stent Graft Natural Selection Global Postmarket Registry (ENGAGE), which prospectively enrolled 1263 endovascular aneurysm repair patients between March 2009 and April 2011 from multiple centers worldwide, were used for this study...
January 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28655551/adult-venous-endothelium-is-a-niche-for-highly-proliferative-and-vasculogenic-endothelial-colony-forming-cells
#12
Linden Green, Richard H Ofstein, Brian Rapp, M Reza Saadatzadeh, Janak R Bhavsar, Andres Fajardo, Michael C Dalsing, David A Ingram, Michael P Murphy
OBJECTIVE: Postnatal resident endothelium of blood vessels has been proposed to represent terminally differentiated tissue that does not replicate. We previously isolated endothelial colony-forming cells (ECFCs) from human umbilical cord blood (CB) and term placenta by using colony-forming assays and immunocytochemistry. We showed that ECFCs are highly proliferative and form functioning vessels in vivo, the defining characteristics of a true endothelial progenitor cell. This exploratory investigation was conducted to determine whether the endothelium of healthy adult blood vessels contained resident ECFCs...
June 24, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28583728/conical-neck-is-strongly-associated-with-proximal-failure-in-standard-endovascular-aneurysm-repair
#13
MULTICENTER STUDY
Georgios A Pitoulias, Andrés Reyes Valdivia, Suteekhanit Hahtapornsawan, Giovanni Torsello, Apostolos G Pitoulias, Martin Austermann, Claudio Gandarias, Konstantinos P Donas
OBJECTIVE: Hostile proximal aortic neck (HN) challenges the suitability for standard endovascular aneurysm repair (EVAR) of patients at high risk for "open" repair. However, there has been little if any focus placed on the individual role of the "nonlength" HN features in EVAR outcomes. The aim of this study was to evaluate their individual and potentially predictive role in outcomes of EVAR under HN conditions. METHODS: Data of 156 consecutive EVAR patients with short (<15 mm) HN, treated with the Endurant device (Medtronic Cardiovascular, Santa Rosa, Calif) at three European academic vascular centers between 2007 and 2015, were collected and retrospectively analyzed...
December 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28571880/%C3%AE-tocopherol-especially-%C3%AE-tocopherol-phosphate-exerts-antiapoptotic-and-angiogenic-effects-on-rat-bone-marrow-derived-endothelial-progenitor-cells-under-high-glucose-and-hypoxia-conditions
#14
Ziheng Wu, Xiangtao Zheng, Luyang Meng, Xin Fang, Yangyan He, Donglin Li, Chengfei Zheng, Hongkun Zhang
OBJECTIVE: Considering the poor efficacy of local intramuscular injections with endothelial progenitor cells (EPCs) for critical limb ischemia in patients with diabetes, the study aimed to investigate the effect of α-tocopherol (α-T) and α-tocopherol phosphate (α-TP) on apoptosis and angiogenesis in a rat model under oxidative stress conditions. METHODS: Primary EPCs from Sprague-Dawley rats were harvested and treated with α-T and α-TP for 24 hours. Gene transcription and protein expression were evaluated by real-time polymerase chain reaction and Western blot, respectively...
May 29, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28385296/17%C3%AE-estradiol-prevents-mesenteric-injury-induced-by-occlusion-of-the-proximal-descending-aorta-in-male-rats
#15
Paulo Thales Rocha de Sousa, Ana Cristina Breithaupt-Faloppa, Cristiano de Jesus Correia, Raif Restivo Simão, Sueli Gomes Ferreira, Alfredo Inácio Fiorelli, Luiz Felipe Pinho Moreira, Paulina Sannomiya
OBJECTIVE: In surgical aortic repair or cardiac surgery with aorta occlusion, the occurrence of mesenteric ischemia and bowel injury has been associated with higher short-term mortality. The vascular protection of estrogens has been investigated and is mainly mediated by increasing the availability of nitric oxide (NO). Therefore, this study investigated the role of 17β-estradiol on visceral ischemia-reperfusion (I/R) injury after descending aorta occlusion in male rats. METHODS: Mesenteric ischemia was induced in male Wistar rats by placing a 2F Fogarty arterial embolectomy catheter (Edwards Lifesciences, Irvine, Calif) in the descending aorta, which remained occluded for 15 minutes, followed by reperfusion for up to 2 hours...
April 3, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28366302/results-of-the-valor-ii-trial-of-the-medtronic-valiant-thoracic-stent-graft
#16
RANDOMIZED CONTROLLED TRIAL
Mark F Conrad, James Tuchek, Robert Freezor, Joseph Bavaria, Rodney White, Ronald Fairman
BACKGROUND: The 1-year results of endovascular exclusion of degenerative descending thoracic aortic aneurysms (DTA) with the Valiant Thoracic Stent Graft (Medtronic Vascular, Santa Rosa, Calif) have been previously reported. With long-term follow-up now complete, the 5-year results are reported. METHODS: The VALOR II trial (Evaluation of the Clinical Performance of the Valiant Thoracic Stent Graft System in the Treatment of Descending Thoracic Aneurysms of Degenerative Etiology in Subjects Who Are Candidates for Endovascular Repair) was a prospective, nonrandomized trial of the Valiant Thoracic Stent Graft system in patients with degenerative DTA...
August 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28214484/hybrid-operative-thrombectomy-is-noninferior-to-percutaneous-techniques-for-the-treatment-of-acute-iliofemoral-deep-venous-thrombosis
#17
Limael E Rodríguez, Aihab Aboukheir-Aboukheir, Ricardo Figueroa-Vicente, Hiram Soler-Bernardini, Guillermo Bolanos-Avila, Luis J Torruella-Bartolomei, Anthony J Comerota, Jorge L Martinez-Trabal
OBJECTIVE: Hybrid operative thrombectomy (HOT) is a novel technique for the treatment of acute iliofemoral deep venous thrombosis (IFDVT) and is an alternative to percutaneous techniques (PTs) that use thrombolytics. In this study, we compare perioperative and intermediate outcomes of HOT vs PT as interventions for early thrombus removal. METHODS: From July 2008 to May 2015, there were 71 consecutive patients who were treated with either PT (n = 31) or HOT (n = 40) for acute or subacute single-limb IFDVT...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28190719/feasibility-and-pilot-efficacy-of-a-brief-smoking-cessation-intervention-delivered-by-vascular-surgeons-in-the-vascular-physician-offer-and-report-vapor-trial
#18
RANDOMIZED CONTROLLED TRIAL
Philip P Goodney, Emily L Spangler, Karina Newhall, Benjamin S Brooke, Andres Schanzer, Tze-Woei Tan, Adam W Beck, John H Hallett, Todd A MacKenzie, Maria O Edelen, Andrew W Hoel, Nancy A Rigotti, Alik Farber
BACKGROUND: This study determined the feasibility and potential efficacy of an evidence-based standardized smoking cessation intervention delivered by vascular surgeons to smokers with peripheral arterial disease. METHODS: We performed a cluster-randomized trial of current adult smokers referred to eight vascular surgery practices from September 1, 2014, to July 31, 2015. A three-component smoking cessation intervention (physician advice, nicotine replacement therapy, and telephone-based quitline referral) was compared with usual care...
April 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27986486/one-year-pivotal-trial-outcomes-of-the-nellix-system-for-endovascular-aneurysm-sealing
#19
MULTICENTER STUDY
Jeffrey P Carpenter, Robert Cuff, Clifford Buckley, Christopher Healey, Sajjad Hussain, Michel M P J Reijnen, Jose Trani, Dittmar Böckler
OBJECTIVE: The Nellix EndoVascular Aneurysm Sealing (EVAS) System (Endologix, Inc, Irvine, Calif) is a novel approach to abdominal aortic aneurysm (AAA) treatment whereby polymer is used to fill the AAA sac. We report 1-year results of the investigational device exemption pivotal trial. METHODS: Eligible patients were treated at 30 sites in the United States and Europe. Inclusion criteria required an asymptomatic infrarenal AAA, with a neck length ≥10 mm and ≤60° angle, iliac artery blood lumen diameter 9 to 35 mm, access artery diameter ≥6 mm, and serum creatinine ≤2 mg/dL...
February 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27876520/explaining-endograft-shortening-during-endovascular-repair-of-abdominal-aortic-aneurysms-in-severe-aortoiliac-tortuosity
#20
Kevin Lee, Sajjid Hossain, Maher Sabalbal, Luc Dubois, Audra Duncan, Guy DeRose, Adam H Power
OBJECTIVE: During endovascular aneurysm repair (EVAR), severely tortuous aortoiliac anatomy can alter the deployment and conformability of the endograft. The accuracy of treatment length measurements is commonly recognized to be affected by severe tortuosity. However, the exact mechanism of the postintervention length discrepancy is poorly understood. The objective of this study was to determine the mechanism of how severe aortoiliac tortuosity influences the endograft and native aorta during EVAR and its impact on the distal sealing zone...
May 2017: Journal of Vascular Surgery
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