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https://www.readbyqxmd.com/read/28226726/guide-wire-detecting-using-a-modified-cascade-classifier-in-interventional-radiology
#1
Li Wang, Xiao-Liang Xie, Zhan-Jie Gao, Gui-Bin Bian, Zeng-Guang Hou, Li Wang, Xiao-Liang Xie, Zhan-Jie Gao, Gui-Bin Bian, Zeng-Guang Hou
Endovascular surgery is becoming a widespread procedure to treat cardiovascular diseases (CVDs) such as abdominal aortic aneurysm and peripheral artery disease. The guide-wire is a crucial surgical instrument inserted into vessels to offer guidance to physicians during the surgery. There are some approaches for tracking the guide-wire, most algorithms consist of two phases, namely, the initialization phase and the tracking phase. In the initialization phase, most algorithms use B-splines for modeling the guide-wire which requires manually annotated data...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224953/perceived-learning-needs-of-patients-with-abdominal-aortic-aneurysm
#2
Olga Nilsson, Rebecka Hultgren, Anna Letterstål
BACKGROUND: Patients undergoing surgical treatment of abdominal aortic aneurysm (AAA) should receive adequate information about the disease, treatment options, and self-care. Patients' learning needs should be acknowledged. The aim was to describe the perceived learning needs in patients with AAA. A secondary aim was to explore their experience of methods for patient education. METHODS: Three focus group interviews were conducted with 14 patients treated with open or endovascular repair of AAA...
March 2017: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/28222989/a-pilot-study-for-long-term-outcome-assessment-after-aortic%C3%A2-aneurysm-repair-using-vascular-quality-initiative-data%C3%A2-matched-to-medicare-claims
#3
Andrew W Hoel, Adrienne E Faerber, Kayla O Moore, Niveditta Ramkumar, Benjamin S Brooke, Salvatore T Scali, Art Sedrakyan, Philip P Goodney
OBJECTIVE: Accurate and complete long-term postoperative outcome data are critical to improving value in health care delivery. The Society for Vascular Surgery Vascular Quality Initiative (VQI) is an important tool to achieve this goal in vascular surgery. To improve on the capture of long-term outcomes after vascular surgery procedures for patients in the VQI, we sought to match VQI data to Medicare claims for comprehensive capture of major clinical outcomes in the first several years after vascular procedures...
February 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28222985/concurrent-renal-artery-stent-during-endovascular-infrarenal-aortic-aneurysm-repair-confers-higher-risk-for-30-day-acute-renal-failure
#4
Besma Nejim, Isibor Arhuidese, Muhammmad Rizwan, Lana Khalil, Satinderjit Locham, Devin Zarkowsky, Philip Goodney, Mahmoud B Malas
OBJECTIVE: Concurrent renal artery angioplasty and stenting (RAAS) during endovascular aneurysm repair (EVAR) of infrarenal abdominal aortic aneurysm (AAA) has been practiced in an attempt to maintain renal perfusion. The aim of this study was to identify the current practice of RAAS during EVAR and its effect on perioperative renal outcome. METHODS: Patients with infrarenal AAA were identified from the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP, 2011-2014) database...
February 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28221665/totally-percutaneous-versus-surgical-cut-down-femoral-artery-access-for-elective-bifurcated-abdominal-endovascular-aneurysm-repair
#5
REVIEW
Madelaine Gimzewska, Alexander Ir Jackson, Su Ern Yeoh, Mike Clarke
BACKGROUND: Abdominal aortic aneurysms (AAAs) are a vascular condition with significant risk attached, particularly if they rupture. It is, therefore, critical to identify and repair these as an elective procedure before they rupture and require emergency surgery. Repair has traditionally been an open surgical technique that required a large incision across the abdomen. Endovascular abdominal aortic aneurysm repairs (EVARs) are now a common alternative. In this procedure, the common femoral artery is exposed via a cut-down approach and a graft introduced to the aneurysm in this way...
February 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28216366/implications-of-concomitant-hypogastric-artery-embolization-with-endovascular-repair-of-infrarenal-abdominal-aortic-aneurysms
#6
Behzad S Farivar, Richa Kalsi, Charles B Drucker, Carly B Goldstein, Rajabrata Sarkar, Shahab Toursavadkohi
OBJECTIVE: Hypogastric artery embolization (HAE) is associated with significant risk of ischemic complications. We assessed the impact of HAE on 30-day outcomes of endovascular aneurysm repair (EVAR) of infrarenal abdominal aortic aneurysms. METHODS: We queried the American College of Surgeons National Surgical Quality Improvement Program database from 2011 to 2014 to identify and to compare clinical features, operative details, and 30-day outcomes of EVAR with those of concomitant HAE with EVAR (HAE + EVAR)...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28216360/the-influence-of-prototype-testing-in-three-dimensional-aortic-models-on-fenestrated-endograft-design
#7
Fadi Taher, Juergen Falkensammer, Jamie McCarte, Johann Strassegger, Miriam Uhlmann, Philipp Schuch, Afshin Assadian
OBJECTIVE: The fenestrated Anaconda endograft (Vascutek/Terumo, Inchinnan, UK) is intended for the treatment of abdominal aortic aneurysms with an insufficient infrarenal landing zone. The endografts are custom-made with use of high-resolution, 1-mm-slice computed tomography angiography images. For every case, a nonsterile prototype and a three-dimensional (3D) model of the patient's aorta are constructed to allow the engineers as well as the physician to test-implant the device and to review the fit of the graft...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28216359/fenestrated-endovascular-aneurysm-repair-among-octogenarians-at-high-and-standard-risk-for-open-repair
#8
David E Timaran, Martyn Knowles, Tarik Ali, Carlos H Timaran
BACKGROUND: Octogenarians with complex abdominal aortic aneurysms are at higher risk of death and morbidity after open repair. Fenestrated endovascular aneurysm repair (FEVAR) is an alternative to open repair for high-risk patients, such as octogenarians. The aim of this study was to evaluate perioperative and midterm outcomes of FEVAR among octogenarians at high and standard risk for open repair. METHODS: During a 2-year period, 85 patients (68 men [78%] and 17 women [22%]) underwent FEVAR using Zenith (Cook Medical, Bloomington, Ind) Fenestrated AAA Endovascular Grafts (70%), Zenith p-Branch (7%), and fenestrated custom-made devices (22%)...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28216354/outcomes-of-endovascular-and-open-surgical-repair-of-ruptured-abdominal-aortic-aneurysms-in-elderly-patients
#9
Tze-Woei Tan, Mohammad Eslami, Denis Rybin, Gheorghe Doros, Wayne W Zhang, Alik Farber
BACKGROUND: Endovascular aneurysm repair (EVAR) is becoming the preferred treatment modality for patients with a ruptured abdominal aortic aneurysm (rAAA). Although the survival advantage of EVAR over open aortic repair (OAR) has been shown in some studies, it is unclear whether this benefit extends to elderly patients. We sought to evaluate the outcomes of rAAA repair in octogenarians. METHODS: We reviewed the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) data set (2005-2014) to identify patients older than 80 years who were treated with EVAR and OAR for rAAA...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28216350/application-of-color-coded-quantitative-digital-subtraction-angiography-in-predicting-the-outcomes-of-immediate-type-i-and-type-iii-endoleaks
#10
Min Zhou, Zijie Su, Zhenyu Shi, Weiguo Fu, Xiangdong Meng, Yonggang Wang, Baolei Guo, Kaiyi Huang
OBJECTIVE: Immediate type I and type III endoleaks after endovascular aneurysm repair (EVAR) could be persistent or temporary. Reintervention is necessary for persistent ones. Color-coded quantitative digital subtraction angiography (CQDSA) could provide a quantitative evaluation of the endoleak hemodynamics. We aimed to use CQDSA to quantify immediate type I and type III endoleaks after EVAR and to find a practical way to predict their outcomes. METHODS: Between January 2012 and December 2014, 485 consecutive patients with abdominal aortic aneurysms underwent EVAR at our institution...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28216349/preoperative-hypoalbuminemia-is-associated-with-poor-clinical-outcomes-after-open-and-endovascular-abdominal-aortic-aneurysm-repair
#11
Elica Inagaki, Alik Farber, Mohammad H Eslami, Jeffrey Kalish, Denis V Rybin, Gheorghe Doros, Matthew R Peacock, Jeffrey J Siracuse
OBJECTIVE: The effect of preoperative malnutrition on outcomes in patients undergoing major vascular surgery is unclear. We investigated the effects of preoperative hypoalbuminemia, a marker for malnutrition, on outcomes after open abdominal aortic aneurysm repair (OAR) and endovascular abdominal aortic aneurysm repair (EVAR). METHODS: Patients undergoing OAR or EVAR were identified in the 2005 to 2012 American College of Surgeons National Surgical Quality Improvement Program database and stratified into three groups: normal albumin (serum albumin >3...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28216344/perioperative-outcome-of-endovascular-repair-for-complex-abdominal-aortic-aneurysms
#12
Klaas H J Ultee, Sara L Zettervall, Peter A Soden, Jeremy Darling, Hence J M Verhagen, Marc L Schermerhorn
BACKGROUND: As endovascular aneurysm repair (EVAR) continues to advance, eligibility of patients with anatomically complex abdominal aortic aneurysms (AAAs) for EVAR is increasing. However, whether complex EVAR is associated with favorable outcome over conventional open repair and how outcomes compare with infrarenal EVAR remains unclear. This study examined perioperative outcomes of patients undergoing complex EVAR, focusing on differences with complex open repair and standard infrarenal EVAR...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28215061/innovation-four-year-safety-and-effectiveness-of-the-incraft%C3%A2-aaa-stent-graft-for-endovascular-repair-of-abdominal-aortic-aneurysms
#13
Giovanni Pratesi, Carlo Pratesi, Roberto Chiesa, Gioacchino Coppi, Dierk Scheinert, Jan S Brunkwall, Stefaan Van der Meulen, Giovanni Torsello
BACKGROUND: This paper reports the 4-year safety and effectiveness of the INCRAFT® AAA Stent Graft system (Cordis Corp, Milpitas, CA), an ultra-low-profile device for the treatment of abdominal aortic aneurysms. METHODS: The INNOVATION Trial is the prospective, first-in-human, multicenter trial to evaluate the safety and effectiveness of the INCRAFT® System. Patients underwent annual clinical and CTA examination as part of the study protocol. The INCRAFT® AAA Stent Graft System is a customizable tri-modular design, with an ultra-low profile (14Fr) delivery system...
February 17, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28205454/graft-complexity-related-outcomes-of-fenestrated-endografting-for-abdominal-aortic-aneurysms
#14
Kyriakos Oikonomou, Piotr Kasprzak, Wilma Schierling, Reinhard Kopp, Karin Pfister
PURPOSE: To report the outcomes of fenestrated endovascular aneurysm repair (FEVAR) and compare early and midterm results in relation to stent-graft complexity. METHODS: Between August 2006 and December 2014, 141 consecutive patients (mean age 72±7.6 years, range 50-89; 120 men) were treated electively with FEVAR for short-neck, juxtarenal, or suprarenal aortic aneurysms. Forty-five patients treated with stent-grafts featuring renal-only fenestrations were assigned to group A, while 96 patients receiving additional fenestrations for the superior mesenteric and/or celiac arteries were assigned to group B...
February 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28198175/early-intervention-effects-of-or-and-evar-on-young-patients-suffering-from-40-54mm-aaas-single-center-experience
#15
Jian Qui, Chang Shu, Wenwu Cai, Ming Li, Quanming Li
BACKGROUND: We conducted this study to explore the early intervention effects of OR and EVAR in treating young AAA patients (maximum diameter 40~54mm). METHODS: We retrospectively analyzed patients under 65 years old with maximum AAA diameter 40-54mm in our hospital from Jan. 2010 to Jan. 2016 (among which there are 38 EVAR cases and 18 OR cases) and compared their short-mid term operation effects. RESULTS: The time of the operation, bleeding volume and volume of blood transfusion during operation in the EVAR group are significantly lower than those in the OR group; differences are statistically significant (P<0...
February 14, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28194506/treatment-of-type-ii-endoleaks-with-a-novel-agent-precipitating-hydrophobic-injectable-liquid-phil
#16
Amir Helmy, Nadeem Shaida
OBJECTIVE: Endovascular aortic aneurysm repair has become the principle technique used to treat abdominal aortic aneurysms. However, its long-term success is limited by complications, including type II endoleaks from lumbar arteries and the inferior mesenteric artery. Treatment of these endoleaks can be difficult. The most commonly performed procedure is embolisation via mesenteric or iliolumbar vessels. Embolic agents currently used include coils, glue and Onyx, all of which have their limitations...
February 13, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28190721/lombard-aorfix-high-angulation-device-sac-behavior-following-implantation
#17
Edward A McGillicuddy, Mark Fillinger, William P Robinson, Kim Hodgson, William D Jordan, Adam W Beck, Mahmoud Malas, Michael Belkin
OBJECTIVE: Short neck length, and angulated infrarenal aortic necks, are historically associated with sac expansion following endovascular abdominal aortic aneurysm repair. Aorfix (Lombard Medical, Inc, Irvine, Calif), a conformable stent graft US Food and Drug Administration approved for highly angulated necks, was investigated in the US Pythagoras Trial. We investigated the incidence of, and factors related to, sac regression and expansion following implantation of the Aorfix device...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28190712/effect-of-antiplatelet-therapy-on-aneurysmal-sac-expansion-associated-with-type-ii-endoleaks-after-endovascular-aneurysm-repair
#18
Francisco Álvarez Marcos, José Manuel Llaneza Coto, Francisco José Franco Meijide, Ahmad Amer Zanabili Al-Sibbai, Jorge Vilariño Rico, Manuel Alonso Pérez, Santiago Caeiro Quinteiro
OBJECTIVE: Endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms (AAAs) has gained widespread use through a solid reputation of safety and effectiveness. However, some issues, such as endoleaks and sac growth over time, still arise as important concerns. Antiplatelet therapy, mandatory as secondary prevention of cardiovascular disease, may play a role in both phenomena by interfering with blood clotting properties and the inflammatory process associated with AAA. We analyzed whether different antiplatelet therapies were independent risk factors for type II endoleak (T2E) persistence and midterm sac growth after EVAR...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28183566/relationship-between-normal-preoperative-white-blood-cell-count-and-major-adverse-events-after-endovascular-repair-for-abdominal-aortic-aneurysm-results-of-a-pilot-study
#19
Eleni Arnaoutoglou, George Kouvelos, Petros Tzimas, Eleni Laou, Vasilios Bouris, George Papadopoulos, Miltiadis Matsagkas
STUDY OBJECTIVE: To examine the association between preoperative white blood cell (WBC) count within the reference range and major adverse events (MAEs) following endovascular repair of abdominal aortic aneurysms (AAA). DESIGN: Prospective observational study. SETTING: Vascular surgery clinic in a tertiary university hospital. PATIENTS: One hundred fifty-three consecutive patients. INTERVENTION: Endovascular repair of AAA...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28163182/abdominal-pain-in-presence-of-small-abdominal-aortic-aneurysms-if-in-doubt-cut-it-out
#20
Efstratios Georgakarakos, Nikolaos Schoretsanitis, Georgios Koufopoulos, Konstantinos Paulou, Miltos K Lazarides
Although small (<5cm) Abdominal Aortic Aneurysm (AAA) have been associated with symptoms and indication for intervention scarcely, the clinicians should never exclude such potential association especially in the absence of other overt pathological findings. In such cases, a surgical exploration with consequent intervention, if feasible, should be justified in order to prevent a detrimental evolution in a dubious scenario. In this article we present two cases of patients with small AAA presenting with severe abdominal pain...
February 2, 2017: Annals of Vascular Surgery
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