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https://www.readbyqxmd.com/read/29147149/endovascular-treatment-of-infrarenal-isolated-abdominal-aortic-dissection-with-application-of-the-kissing-stents-technique-a-case-report-and-review-of-the-literature
#1
Georgios Sahsamanis, Georgios Vourliotakis, Konstantinos Maltezos, Georgios Plakas, Vasileios Tzilalis
Isolated abdominal aortic dissection (IAAD) is a rare form of aortic dissection involving usually the infrarenal part of the abdominal aorta. A 45-year-old male presented with lumbar pain and claudication. Computed tomography angiography (CTA) revealed an infrarenal IAAD extending to the left external iliac artery (EIA), causing ≥90% narrowing of the lumen. An endovascular approach was decided, with deployment of an aortic stent-graft and two balloon expandable stents in both common iliac arteries (IAs), applying the kissing stents technique...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29145894/inositol-in-the-management-of-abdominal-aortic-aneurysm-imagen-study-protocol-for-a-randomised-controlled-trial
#2
Sophie E Rowbotham, Jenna L Pinchbeck, Georgina Anderson, Bernie Bourke, Michael Bourke, T Christian Gasser, Rene Jaeggi, Jason S Jenkins, Corey S Moran, Susan K Morton, Christopher M Reid, Ramesh Velu, Lisan Yip, Joseph V Moxon, Jonathan Golledge
BACKGROUND: An abdominal aortic aneurysm (AAA) is a focal dilation of the abdominal aorta and is associated with a risk of fatal rupture. Experimental studies suggest that myo-inositol may exert beneficial effects on AAAs through favourable changes to biological pathways implicated in AAA pathology. The aim of the Inositol in the MAnaGemENt of abdominal aortic aneurysm (IMAGEN) trial is to assess if myo-inositol will reduce AAA growth. METHODS/DESIGN: IMAGEN is a multi-centre, prospective, parallel-group, randomised, double-blind, placebo-controlled trial...
November 16, 2017: Trials
https://www.readbyqxmd.com/read/29143100/infrarenal-aortic-diameter-aortoiliac-bifurcation-level-and-lumbar-disc-degenerative-changes-a-cross-sectional-mr-study
#3
Abolhassan Shakeri, Moslem Shakeri, Mohammadreza Ojaghzadeh Behrooz, Razieh Behzadmehr, Zohreh Ostadi, Daniel Fadaei Fouladi
PURPOSE: To examine a possible correlation of infrarenal aortic diameter and aortoiliac bifurcation level with lumbar disc degenerative changes. METHODS: This was a cross-sectional, single-center retrospective study on lumbar magnetic resonance images of patients with low back pain (n = 496). Lumbar disc degenerative changes were reported on the basis of the Pfirrmann grading system and accordingly, patients were grouped as with grade I-II findings (n = 192), with grade III findings (n = 64) and with grade IV-V findings (n = 240)...
November 15, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29123158/inhibition-of-phosphatidylinositol-3-kinease-suppresses-formation-and-progression-of-experimental-abdominal-aortic-aneurysms
#4
Jing Yu, Rui Liu, Jianhua Huang, Lixin Wang, Wei Wang
Accumulating evidence suggests an important role of Phosphatidylinositol 3-kinease (PI3K) pathway in inflammatory cells infiltration. Given  the essential role of inflammatory cells infiltration during the formation and progression of abdominal aortic aneurysm (AAA), to investigate the possibility of preventing AAA formation and progression via targeting PI3K is anticipated. Here, experimental AAAs was created in rats by transient intraluminal porcine pancreatic elastase (PPE) infusion into the infrarenal aorta firstly...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121844/patient-and-aneurysm-characteristics-predicting-prolonged-length-of-stay-after-elective-open-aaa-repair-in-the-endovascular-era
#5
Sergio Casillas-Berumen, Florencia A Rojas-Miguez, Alik Farber, Sevan Komshian, Jeffrey A Kalish, Denis Rybin, Gheorghe Doros, Jeffrey J Siracuse
INTRODUCTION: Open aortic aneurysm repair (AAA) repair can be resource intensive and associated with a prolonged length of stay (LOS). We sought to examine patient and aneurysm predictors of prolonged LOS to better identify those at risk in the preoperative setting. METHODS: Patient data were obtained from the targeted AAA American College of Surgery National Surgical Quality Improvement Program database from 2012 to 2014 of patients undergoing open AAA repair. Multivariable logistic regression was used to determine predictors of prolonged postoperative LOS defined as greater than 10 days (75th percentile)...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29118111/differential-cell-matrix-mechanoadaptations-and-inflammation-drive-regional-propensities-to-aortic-fibrosis-aneurysm-or-dissection-in-hypertension
#6
M R Bersi, R Khosravi, A J Wujciak, D G Harrison, J D Humphrey
The embryonic lineage of intramural cells, microstructural organization of the extracellular matrix, local luminal and wall geometry, and haemodynamic loads vary along the length of the aorta. Yet, it remains unclear why certain diseases manifest differentially along the aorta. Toward this end, myriad animal models provide insight into diverse disease conditions-including fibrosis, aneurysm and dissection-but inherent differences across models impede general interpretations. We examined region-specific cellular, matrix, and biomechanical changes in a single experimental model of hypertension and atherosclerosis, which commonly coexist...
November 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29109408/small-infrarenal-aortic-diameter-associated-with-lower-extremity-peripheral-artery-disease-in-chinese-hypertensive-adults
#7
Jie Liu, Xin Jia, Senhao Jia, Xianhui Qin, Tao Zhang, Lishun Liu, Haibo Li, Dan Rong, Ziyi Zhou, Yuxiang Song, Shangwei Zuo, Chen Duan, Zhongyin Wu, Ren Wei, Yangyang Ge, Xian Wang, Wei Kong, Xiping Xu, Raouf A Khalil, Yong Huo, Wei Guo
Several studies suggest that infrarenal aortic diameter is associated with lower-extremity peripheral artery disease (LE-PAD). However, data regarding the associations between infrarenal aortic diameter and LE-PAD are limited, especially in large sample populations and Asian or Chinese populations. Our analysis included 17279 Chinese hypertensive adults comprising 6590 men and 10689 women with a mean age of 64.74 ± 7.41 years. Participants were selected from 22693 candidates from two large population-based cohort-studies...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29103320/cross-sectional-area-of-the-murine-aorta-linearly-increases-with-increasing-core-body-temperature
#8
A Colleen Crouch, Adam B Manders, Amos A Cao, Ulrich M Scheven, Joan M Greve
PURPOSE: The cardiovascular (CV) system plays a vital role in thermoregulation. To date, the response of core vasculature to increasing core temperature has not been adequately studied in vivo. Our objective was to non-invasively quantify the arterial response in murine models due to increases in body temperature, with a focus on core vessels of the torso and investigate whether responses were dependent on sex or age. METHODS: Male and female, adult and aged mice were anaesthetised and underwent magnetic resonance imaging (MRI)...
November 6, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/29097042/clinical-characteristics-and-outcome-of-isolated-infrarenal-aortic-stenosis-in-young-patients
#9
Spyridon Monastiriotis, Shang Loh, Apostolos Tassiopoulos, Nicos Labropoulos
OBJECTIVE: The objective of this study was to identify young patients with isolated infrarenal aortic atherosclerotic stenosis and to determine the clinical characteristics and midterm results of angioplasty and stenting. METHODS: Data from patients younger than 50 years with significant infrarenal aortic stenosis and at least 1 year of follow-up were prospectively collected. Patients with coexistent suprarenal or iliofemoral disease and Takayasu arteritis were excluded...
October 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29097041/comparable-perioperative-mortality-outcomes-in-younger-patients-undergoing-elective-open-and-endovascular-abdominal-aortic-aneurysm-repair
#10
Nathan L Liang, Katherine M Reitz, Michel S Makaroun, Mahmoud B Malas, Edith Tzeng
BACKGROUND: Evidence for benefit of endovascular aneurysm repair (EVAR) over open surgical repair for de novo infrarenal abdominal aortic aneurysms (AAAs) in younger patients remains conflicting because of heterogeneous study populations and small sample sizes. The objective of this study was to compare perioperative and short-term outcomes for EVAR and open surgery in younger patients using a large national disease and procedure-specific data set. METHODS: We identified patients 65 years of age or younger undergoing first-time elective EVAR or open AAA repair from the Vascular Quality Initiative (2003-2014)...
October 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29079007/ten-year-outcome-analysis-of-the-italian-excluder-registry-with-the-gore-excluder-endograft-for-infrarenal-abdominal-aortic-aneurysms
#11
Giovanni Pratesi, Gabriele Piffaretti, Fabio Verzini, Giovanni De Blasis, Patrizio Castelli, Carlo Pratesi
OBJECTIVE: The objective of this study was to report the 10-year outcomes of the multicenter Italian Excluder Registry for elective endovascular aneurysm repair (EVAR). METHODS: A retrospective analysis of all patients who underwent elective EVAR using the Gore Excluder (W. L. Gore & Associates, Flagstaff, Ariz) endograft (EG) at four Italian centers between 1998 and 2006 was carried out. Follow-up consisted of duplex ultrasound scan and computed tomography performed at 1 month, 6 months, and 12 months and yearly thereafter...
October 24, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29078248/-management-of-endograft-infection-after-evar-and-tevar-a-case-series-and-literature-review
#12
Thomas Betz, Ingolf Töpel, Markus Steinbauer, Christian Uhl
Introduction Endograft infection after EVAR (Endovascular aortic repair) or TEVAR (Thoracic endovascular aortic repair) is a rare but severe complication with high mortality. As the number of patients with endovascular aneurysm repair has increased over the last decade, the number of patients with endograft infection might also have increased. However, no guideline defines the treatment of endograft infection. Diagnosis is difficult and depends on clinical symptoms, radiological imaging and blood cultures. Surgery with graft excision, debridement and revascularisation should be proposed...
October 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/29078246/-surgeon-modified-stent-grafts-in-emergency-cases-as-addition-to-off-the-shelf-stent-grafts-for-complex-abdominal-and-thoracoabdominal-aortic-pathologies
#13
Franziska Heidemann, Tilo Kölbel, Sebastian Debus, Christian-Alexander Behrendt, Holger Diener, Fiona Rohlffs, Nikolaos Tsilimparis
Background Endovascular techniques have revolutionised the therapy of abdominal and thoracoabdominal aortic disease. For infrarenal abdominal aortic aneurysm, the endovascular aortic repair has become a standard for elective and emergent cases. In complex abdominal or thoracoabdominal aortic pathologies, involving reno-visceral vessels, there are technical challenges for open and endovascular surgery. Due to high mortality and morbidity of open surgery of complex aortic lesions, especially in emergent cases, endovascular techniques have developed as well...
October 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/29074117/intensive-care-unit-admission-after-endovascular-aortic-aneurysm-repair-is-primarily-determined-by-hospital-factors-adds-significant-cost-and-is-often-unnecessary
#14
Caitlin W Hicks, Husain N Alshaikh, Devin Zarkowsky, Ian C Bostock, Besma Nejim, Mahmoud B Malas
BACKGROUND: A large proportion of endovascular aortic aneurysm repair (EVAR) patients are routinely admitted to the intensive care unit (ICU) for postoperative observation. In this study, we aimed to describe the factors associated with ICU admission after EVAR and to compare the outcomes and costs associated with ICU vs non-ICU observation. METHODS: All patients undergoing elective infrarenal EVAR in the Premier database (2009-2015) were included. Patients were stratified as ICU vs non-ICU admission according to location on postoperative day 0...
October 23, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29074115/characterization-and-outcomes-of-reinterventions-in-food-and-drug-administration-approved-versus-trial-endovascular-aneurysm-repair-devices
#15
Alexander S Fairman, Grace J Wang, Benjamin M Jackson, Paul J Foley, Scott M Damrauer, Venkat Kalapatapu, Michael A Golden, Ronald M Fairman
OBJECTIVE: Published rates of reintervention after endovascular aneurysm repair (EVAR) range from 10% to 30%. We evaluated a single university center's experience with reinterventions in the context of Food and Drug Administration (FDA)-approved and trial devices. METHODS: Retrospective data collection was performed for patients who underwent infrarenal EVAR and required reintervention from 2000 to 2016. Trial devices included those used in FDA feasibility and pivotal trials...
October 23, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29074113/prospective-cohort-20%C3%A2-years-after-endovascular-treatment-for-abdominal-aortic-aneurysm
#16
Gaudencio Espinosa, Giovanni di Luccio, Marcia Ribeiro Alves, Bianca Gutfilen, Ronir Raggio, Pedro Saad, Lukasz Dzieciuchowicz, Carlos Magliano
OBJECTIVE: To describe the factors associated with survival 20 years after endovascular treatment of an abdominal aortic aneurysm (AAA) in a single center. METHODS: Prospective cohort of asymptomatic patients with an infrarenal aortic aneurysm treated with a bifurcated endovascular graft (Talent) between June 1997 and August 2008. Cox proportional hazard multivariable regression was used for analysis of independent risk factors for survival. Kaplan-Meier curves were done with the long-rank test...
October 23, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29074109/racial-disparities-in-outcomes-after-intact-abdominal-aortic-aneurysm-repair
#17
Sarah E Deery, Thomas F X O'Donnell, Katie E Shean, Jeremy D Darling, Peter A Soden, Kakra Hughes, Grace J Wang, Marc L Schermerhorn
OBJECTIVE: We aimed to compare perioperative morbidity and mortality and late survival among black, white, and Asian patients undergoing intact abdominal aortic aneurysm (AAA) repair. METHODS: We identified all patients undergoing intact, infrarenal AAA repair in the Vascular Quality Initiative (VQI) from 2003 to 2017. We compared in-hospital outcomes by race using the Fisher exact and Kruskal-Wallis tests. Multivariable logistic and linear regression models of perioperative outcomes adjusted for differences in demographics, comorbidities, hospital volume, and procedure...
October 23, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29062457/late-type-iii-endoleak-after-thoracic-endovascular-aneurysm-repair-and-previous-infrarenal-stent-graft-implantation-a-case-report-and-review-of-the-literature
#18
Jerzy Leszczyński, Waldemar Macioch, Witold Chudziński, Zbigniew Gałązka
Thoracic endovascular aortic repair (TEVAR) effectively improved the results of thoracic aortic aneurysm treatment. TEVAR is a less invasive procedure that can be performed under local anesthesia with shorter hospital stay. The perioperative morbidity and mortality rates are lower for endovascular than open repair, but the rate of secondary interventions is higher for TEVAR. We report a case of an elderly man with synchronous abdominal and thoracic aortic aneurysms. A type III dangerous endoleak was recognized 3 years after TEVAR...
September 2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/29057126/revascularization-of-chronic-total-occlusion-of-the-infrarenal-aorta-in-a-patient-with-triple-vessel-disease-report-of-a-case-treated-by-endovascular-approach
#19
Mahek Shah, Soumya Patnaik, Rahul Sinha, Issac Opoku-Asare, Khalid Chaudhry, Sean Janzer
Surgical management of advance aortoiliac occlusive disease is time-tested and a widely practiced strategy, particularly when there is significant coronary artery disease associated with aortoiliac occlusive disease. The technological advances in the field of percutaneous techniques have facilitated the use of nonsurgical endovascular alternatives for peripheral arterial disease in patients with significant comorbidities at high surgical risk, as illustrated in our case report. We report a case of chronic total occlusion of the aorta that was treated percutaneously with endovascular stenting...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/29046239/increased-peak-wall-stress-but-not-maximum-diameter-is-associated-with-symptomatic-abdominal-aortic-aneurysm
#20
Begoña Soto, Luis Vila, Jaime F Dilmé, Jose R Escudero, Sergi Bellmunt, Mercedes Camacho
OBJECTIVE: Maximum diameter (MD) is the established rupture predictor for abdominal aortic aneurysm (AAA). However, biomechanical markers from finite element analysis (FEA) could be more accurate predictors for these patients. In this study, the association between peak wall stress (PWS) and MD with symptoms of AAA was evaluated. METHODS: Patients diagnosed with infrarenal non-ruptured AAA at the centre between 2009 and 2015 were included. Clinical data, morphological variables (including MD), and the biomechanical variables PWS and diameter normalised PWS (dnPWS) in symptomatic (sAAA) and asymptomatic AAA patients (aAAA) were included...
October 15, 2017: European Journal of Vascular and Endovascular Surgery
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