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Vascular Calification

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https://www.readbyqxmd.com/read/27876520/explaining-endograft-shortening-during-endovascular-repair-of-abdominal-aortic-aneurysms-in-severe-aortoiliac-tortuosity
#1
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...
November 19, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27776696/preservation-of-hypogastric-flow-and-control-of-iliac-aneurysm-size-in-the-treatment-of-aortoiliac-aneurysms-using-the-nellix-endovascular-aneurysm-sealing-endograft
#2
Dainis K Krievins, Janis Savlovskis, Andrew H Holden, Kaspars Kisis, Andrew A Hill, Marcis Gedins, Natalija Ezite, Christopher K Zarins
OBJECTIVE: The purpose of this study was to determine the long-term effectiveness of endovascular aneurysm sealing (EVAS) in the treatment of complex aortoiliac aneurysms with preservation of hypogastric artery flow. METHODS: We reviewed all patients with abdominal aortic aneurysms (AAAs) and common iliac aneurysms (CIAs) enrolled and treated in prospective studies of EVAS using the Nellix endograft (Endologix, Irvine, Calif) at two centers from 2008 to 2014. Patients with 1 year or more of computed tomography follow-up underwent quantitative morphometric assessment by two independent vascular radiologists blinded to clinical outcome results...
November 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27606681/findings-of-optical-coherence-tomographic-angiography-at-the-choriocapillaris-level-in-central-serous-chorioretinopathy
#3
Ari Shinojima, Akiyuki Kawamura, Ryusaburo Mori, Kyoko Fujita, Mitsuko Yuzawa
PURPOSE: To reveal vascular signals at the choriocapillaris level in central serous chorioretinopathy (CSC) using optical coherence tomographic angiography (OCTA). PROCEDURES: We analyzed vascular signals at the choriocapillaris level in 58 CSC and 51 contralateral eyes by OCTA (RTVue XR Avanti with AngioVue; Optovue Inc., Fremont, Calif., USA). Data analysis included age, best corrected visual acuity (BCVA), disease duration and serous retinal detachment (SRD) height...
2016: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/27514438/fibroblast-growth-factor-and-vascular-endothelial-growth-factor-play-a-critical-role-in-endotheliogenesis-from-human-adipose-derived-stem-cells
#4
Sophia Khan, Miguel A Villalobos, Rachel L Choron, Shaohua Chang, Spencer A Brown, Jeffrey P Carpenter, Thomas N Tulenko, Ping Zhang
OBJECTIVE: Adipose-derived stem cells (ASCs) are a potential adult mesenchymal stem cell source for restoring endothelial function in patients with critical limb ischemia. Fibroblast growth factor 2 (FGF2) and vascular endothelial growth factor (VEGF) play a major role in angiogenesis and wound healing. This study evaluated the effects of FGF and VEGF on the proliferation, migration, and potential endothelial differentiation of human ASCs with regards to their use as endothelial cell substitutes...
August 8, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27444365/analysis-of-endovascular-therapy-for-femoropopliteal-disease-with-the-supera-stent
#5
Miguel Montero-Baker, Gregory J Ziomek, Luis Leon, Aaron Gonzales, Robert S Dieter, Crystal L Gadd, John P Pacanowski
BACKGROUND: The structural limitations of currently available laser-cut nitinol stents in the highly diseased arterial system of the lower extremity are well described. These devices are frequently used in long-segment occlusions, at the adductor hiatus, and across the knee into the popliteal artery and tibial-peroneal trunk despite concerns related to the high mobility of the knee joint and the potential for external stent compression, fractures, and occlusion. The Supera stent (Abbott Vascular, Santa Clara, Calif) was developed to provide superior radial strength, fracture resistance, and flexibility compared with laser-cut nitinol stents...
October 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27237404/safety-and-effectiveness-of-total-percutaneous-access-for-fenestrated-endovascular-aortic-aneurysm-repair
#6
David E Timaran, Marilisa Soto, Martyn Knowles, J Gregory Modrall, John E Rectenwald, Carlos H Timaran
BACKGROUND: Percutaneous femoral vascular access is frequently used for aortic endovascular procedures, with a local access complication rate of 5% to 16%. Fenestrated endovascular aneurysm repair (FEVAR) has recently emerged as a new technique for the repair of short-neck and juxtarenal abdominal aortic aneurysms. The safety and effectiveness of percutaneous access for FEVAR has not been established to date. METHODS: Since United States Food and Drug Administration approval of the Zenith fenestrated aortic endograft (Cook Medical, Bloomington, Ind), 94 patients (60 Zenith fenestrated, 6 p-Branch, and 28 custom-made devices) have undergone FEVAR...
October 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27160007/optical-coherence-tomography-angiography-of-the-foveal-avascular-zone-in-retinal-vein-occlusion
#7
Juliana Wons, Maximilian Pfau, Magdalena A Wirth, Florentina J Freiberg, Matthias D Becker, Stephan Michels
PURPOSE: The aim of the study was to visualize and to quantify pathological foveal avascular zone (FAZ) alterations through optical coherence tomography angiography (OCT-A) in eyes with retinal vein occlusion (RVO) in comparison to the unaffected fellow eyes. PROCEDURES: OCT-A was conducted with the Avanti® RTVue 100 XR system (Optovue Inc., Fremont, Calif., USA). The borders of the superficial vascular layer (SVL) were defined as 3 μm below the internal limiting membrane and 15 μm below the inner plexiform layer, and for the deep vascular layer (DVL) as 15 and 70 μm below the inner plexiform layer, respectively...
2016: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/26994956/late-single-center-outcome-of-the-talent-abdominal-stent-graft-after-a-decade-of-follow-up
#8
Yannick W 't Mannetje, Pieter P H L Broos, Roy F A van Poppel, Marc R H M van Sambeek, Joep A W Teijink, Philippe W M Cuypers
OBJECTIVE: Lifelong yearly surveillance is advised after endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms. This follow-up requires a substantial amount of health care resources. The aim of this paper was to assess the occurrence of stent graft-related complications and secondary interventions during a minimum 10-year follow-up after elective EVAR. METHODS: Patients who were treated in a high-volume endovascular center in The Netherlands with the Talent infrarenal stent graft (Medtronic Vascular, Santa Rosa, Calif) between June 1999 and February 2005 were included...
September 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/26937802/prediction-of-low-versus-high-recurrence-scores-in-estrogen-receptor-positive-lymph-node-negative-invasive-breast-cancer-on-the-basis-of-radiologic-pathologic-features-comparison-with-oncotype-dx-test-recurrence-scores
#9
Vandana Dialani, Shantanu Gaur, Tejas S Mehta, Shambhavi Venkataraman, Valerie Fein-Zachary, Jordana Phillips, Alexander Brook, Priscilla J Slanetz
Purpose To review mammographic, ultrasonographic (US), and magnetic resonance (MR) imaging features and pathologic characteristics of estrogen receptor (ER)-positive, lymph node-negative invasive breast cancer and to determine the relationship of these characteristics to Oncotype DX (Genomic Health, Redwood City, Calif) test recurrence scores (ODRS) for breast cancer recurrence. Materials and Methods This institutional review board-approved retrospective study was performed in a single large academic medical center...
August 2016: Radiology
https://www.readbyqxmd.com/read/26545970/what-is-a-good-result-after-transcatheter-mitral-repair-impact-of-2-residual-mitral-regurgitation
#10
COMPARATIVE STUDY
Nicola Buzzatti, Michele De Bonis, Paolo Denti, Fabio Barili, Davide Schiavi, Giovanna Di Giannuario, Giovanni La Canna, Ottavio Alfieri
OBJECTIVE: The study objective was to assess the impact on follow-up outcomes of residual mitral regurgitation 2+ in comparison with ≤ 1+ after MitraClip (Abbott Vascular Inc, Santa Clara, Calif) repair. METHODS: We compared the outcomes of mitral regurgitation 2+ and mitral regurgitation ≤ 1 + groups among a population of 223 consecutive patients with acute residual mitral regurgitation ≤ 2+ who underwent MitraClip implantation at San Raffaele Scientific Institute (Milan, Italy) between October 2008 and December 2014...
January 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/26506938/safety-and-utility-of-total-percutaneous-endovascular-aortic-repair-with-a-single-perclose-proglide-closure-device
#11
Taku Ichihashi, Tsuyoshi Ito, Yoshihisa Kinoshita, Takahiko Suzuki, Nobuyuki Ohte
OBJECTIVE: This study evaluated the safety and efficacy of total percutaneous endovascular aortic aneurysm repair (PEVAR) with a single Perclose ProGlide device (Abbot Vascular, Santa Clara, Calif) compared with endovascular aortic repair with surgical cutdown (SEVAR). METHODS: The study included 50 abdominal aortic aneurysm patients who were treated with PEVAR with a single Perclose ProGlide device and 96 patients treated with SEVAR. Technical success was defined as successful arterial closure of the common femoral artery without the need for adjunctive surgical or endovascular procedures...
March 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/26474506/radiation-exposure-to-eye-lens-and-operator-hands-during-endovascular-procedures-in-hybrid-operating-rooms
#12
MULTICENTER STUDY
Nicolas Attigah, Kyriakos Oikonomou, Ulf Hinz, Thomas Knoch, Serdar Demirel, Eric Verhoeven, Dittmar Böckler
OBJECTIVE: The purpose of this study was to evaluate the radiation exposure of vascular surgeons' eye lens and fingers during complex endovascular procedures in modern hybrid operating rooms. METHODS: Prospective, nonrandomized multicenter study design. One hundred seventy-one consecutive patients (138 male; median age, 72.5 years [interquartile range, 65-77 years]) underwent an endovascular procedure in a hybrid operating room between March 2012 and July 2013 in two vascular centers...
January 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/26455968/peripapillary-rnfl-thickness-in-nonexudative-versus-chronically-treated-exudative-age-related-macular-degeneration
#13
COMPARATIVE STUDY
Gary L Yau, Robert J Campbell, Cody Li, Sanjay Sharma
OBJECTIVE: To compare the peripapillary retinal nerve fibre layer (RNFL) thickness in nonexudative versus exudative age-related macular degeneration (wet AMD) eyes treated chronically with intravitreal injections of anti-vascular endothelial growth factor (anti-VEGF). DESIGN: Cross-sectional study. PARTICIPANTS: Twenty-nine patients with unilateral wet AMD with at least 12 prior intravitreal anti-VEGF injections and 2 years of therapy were analyzed...
October 2015: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/26372191/outcomes-of-total-percutaneous-endovascular-aortic-repair-for-thoracic-fenestrated-and-branched-endografts
#14
Leonardo R de Souza, Gustavo S Oderich, Peter V Banga, Janet M Hofer, Jean R Wigham, Stephen Cha, Peter Gloviczki
OBJECTIVE: Percutaneous endovascular aortic repair (PEVAR) has been increasingly used to treat infrarenal abdominal aortic aneurysms, but few studies have evaluated the results in complex aortic aneurysms. We reviewed the technical success and clinical outcomes of PEVAR using large-diameter sheaths for the treatment of complex aortic aneurysms with thoracic, fenestrated, and branched stent grafts. METHODS: The clinical data of patients who underwent total PEVAR for descending thoracic aneurysm, thoracoabdominal aortic aneurysm, pararenal, and aortoiliac aneurysms using thoracic, fenestrated, and branched stent grafts between 2009 and 2014 were reviewed...
December 2015: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/26349597/the-influence-of-a-percutaneous-mitral-repair-program-on-surgical-mitral-valve-volume
#15
Emily Downs, Scott Lim, Michael Ragosta, Kenan Yount, Leora Yarboro, Ravi Ghanta, John Kern, Irving Kron, Gorav Ailawadi
OBJECTIVES: Percutaneous mitral repair with the MitraClip system (Abbott Vascular, Santa Clara, Calif) has been available in trials since 2006 and is currently approved for patients with degenerative mitral valve disease at prohibitive risk for surgery. There has been concern that novel transcatheter approaches may detract from mitral valve surgical volumes. We sought to evaluate the influence of our MitraClip program on our surgical mitral valve volumes and outcomes. METHODS: All patients referred for MitraClip underwent evaluation by a multidisciplinary team...
November 2015: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/26277463/device-success-and-30-day-clinical-outcome-in-patients-undergoing-preimplant-valvuloplasty-in-transfemoral-versus-omitting-valvuloplasty-in-transapical-transcatheter-aortic-valve-replacement
#16
COMPARATIVE STUDY
S Chiu Wong, Sumeet Pawar, Robert M Minutello, Evelyn M Horn, Nikolaos J Skubas, Richard B Devereux, Arash Salemi
OBJECTIVES: The study objective was to evaluate the impact of preimplantation balloon valvuloplasty on procedural outcomes in high-risk or no-option patients with aortic stenosis undergoing Edwards Lifesciences (Irvine, Calif) Sapien valve placement. Paravalvular aortic regurgitation has been associated with long-term mortality after transcatheter aortic valve replacement. Whether omitting preimplant balloon valvuloplasty affects paravalvular aortic regurgitation after Edwards Sapien transcatheter aortic valve replacement is currently unknown...
November 2015: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/26213274/aortic-neck-enlargement-after-endovascular-aneurysm-repair-using-balloon-expandable-versus-self-expanding-endografts
#17
MULTICENTER STUDY
Janis Savlovskis, Dainis Krievins, Jean-Paul P M de Vries, Andrew Holden, Kaspars Kisis, Marcis Gedins, Natalija Ezite, Christopher K Zarins
OBJECTIVE: This study evaluated changes in aortic neck diameter after endovascular aneurysm repair (EVAR) using a balloon-expandable stent (BES) endograft compared with a commercially available self-expanding stent (SES) endograft. We hypothesized that forces applied to the aortic neck by SES endografts may induce aortic neck enlargement over time and that such enlargement may not occur in aneurysm patients treated with a device that does not use a proximal SES. METHODS: This was a retrospective quantitative computed tomography (CT) image analysis of patients treated with the Nellix (Endologix, Irvine, Calif) BES (n = 49) or the Endurant II (Medtronic, Minneapolis, Minn) SES (n = 56) endograft from 2008 to 2010...
September 2015: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/26180707/breast-reconstruction-with-enhanced-stromal-vascular-fraction-fat-grafting-what-is-the-best-method
#18
Pietro Gentile, Maria Giovanna Scioli, Augusto Orlandi, Valerio Cervelli
BACKGROUND: Actually, there are 2 main methods to obtain stromal vascular fraction (SVF): enzymatic digestion and mechanical filtration; however, the available systems report heterogeneous and sometimes not univocal results. The aim of this study is to evaluate different procedures for SVF isolation and compare their clinical efficacy in the treatment of soft-tissue defects in plastic and reconstructive surgery. The authors evaluated Celution and Medikhan, enzymatic systems, and Fatstem and Mystem system, mechanical separation systems...
June 2015: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/26168646/-the-adverse-effects-of-smoking-on-the-hands
#19
REVIEW
Daniel Dreyfuss, Edward Calif, Shalom Stahl
Cigarette smoking is known to cause a multitude of harmful effects throughout the body. There are only a few accounts in the literature of these effects as related to the hands. This is a review of the literature, demonstrating the collected knowledge of decreased hand vascularity due to tobacco use and assessing the evidence connecting smoking and supposed resultant maladies, including Raynaud's phenomenon, hand-arm vibration syndrome, Buerger's disease, Dupuytren's contracture, carpal tunnel syndrome, effects on skin and fingernails, decreased skin and bone healing, complications of digit replantation and complex regional pain syndrome...
May 2015: Harefuah
https://www.readbyqxmd.com/read/25937606/performance-of-the-endurant-stent-graft-in-challenging-anatomy
#20
MULTICENTER STUDY
Pieter P H L Broos, Rutger A Stokmans, Steven M M van Sterkenburg, Giovanni Torsello, Frank Vermassen, Philippe W M Cuypers, Marc R H M van Sambeek, Joep A W Teijink
OBJECTIVE: This study aimed to compare perioperative and postoperative outcomes after endovascular repair of abdominal aortic aneurysms (AAAs) in patients with various neck morphologic features. METHODS: Data from the Endurant Stent Graft Natural Selection Global Postmarket Registry (ENGAGE) were used for the analyses. Patients were categorized into three different groups according to proximal aortic neck anatomy: regular (REG), intermediate (INT), and challenging (CHA)...
August 2015: Journal of Vascular Surgery
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