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infrarenal abdominal aortic aneurysm

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https://www.readbyqxmd.com/read/29675441/acute-bilateral-lower-extremity-paralysis-secondary-to-acute-thrombosis-of-an-infrarenal-abdominal-aortic-aneurysm
#1
T Joseph Watson, W Kurtis Childers, Lindsey Haga, John Calaitges
We present the case of a 64-year-old male who presented to the emergency department with bilateral limb ischemia and paralysis for approximately 1 hour. Computed tomographic angiography demonstrated occlusion of the infrarenal aorta beginning just above the patient's known abdominal aortic aneurysm (AAA) and extending into both common iliac arteries. He was emergently treated via open repair of the AAA with a Gore-Tex tube graft, bilateral common iliac thrombectomies, and bilateral lower extremity four-compartment fasciotomies...
June 2017: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/29673292/relationship-between-inflammation-and-progression-of-an-abdominal-aortic-aneurysm-in-a-rabbit-model-based-on-18f-fdg-pet-ct-imaging
#2
Mao-Xiao Nie, Xue-Hui Zhang, Yun-Feng Yan, Quan-Ming Zhao
Objective To explore the relationship between abdominal aortic aneurysm development and inflammation in the rabbit through the establishment of a rabbit infrarenal abdominal aortic aneurysm model and the use of 18F-FDG PET/CT imaging. Methods Twenty male New Zealand rabbits were administered an elastase intracavity perfusion to induce an infrarenal abdominal aortic aneurysm model. Prior to surgery, the rabbits underwent abdominal aorta ultrasonic testing and blood collection from the ear veins. Of the original 20 rabbits, 10 rabbits were euthanized two weeks after the operation following ultrasonic testing, PET/CT scanning and blood collection, and their arterial tissue samples were prepared for pathological and immunohistochemical staining...
January 1, 2018: Vascular
https://www.readbyqxmd.com/read/29665666/-early-results-of-fenestrated-endovascular-aortic-repair-for-the-treatment-of-patients-with-thoracoabdominal-pathologies
#3
J C Zhu, X C Dai, Y D Luo, H L Fan, Z Feng, Y W Zhang, F G Hu
Objective: To evaluate the early results of fenestrated endovascular aortic repair (FEVAR) using physician-modified stent grafts (PMSGs) for the treatment of patients with thoracoabdominal pathologies. Methods: Nineteen consecutive patients who underwent FEVAR using PMSGs between April 2012 and September 2017 were retrospectively reviewed. The modality of FEVAR technique was assessed, perioperative clinical data was recorded and the early results were evaluated. Results: Indications were thoracoabdominal aortic pathologies, including juxtarenal abdominal aortic aneurysm (JAAA) ( n =12), chronic thoracoabdominal aortic dissection with aneurysmal dilatation ( n =3), thoracoabdominal aortic aneurysm (TAAA) ( n =1), infrarenal AAA with an accessory renal artery in the segment of the aneurysmal neck ( n =2) and type Ⅰ endoleak after EVAR for AAA( n =1)...
March 27, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29614976/primary-results-of-abdominal-aortic-aneurysm-screening-in-the-at-risk-residents-in-middle-china
#4
Kun Li, Kewei Zhang, Tianxiao Li, Shuiting Zhai
BACKGROUND: There is a lack of information on the epidemiological data and risk factors associated with abdominal aortic aneurysm (AAA) in Chinese population. We reported the primary results from screening five-community population in Middle China for AAA. METHODS: From March 2014 to October 2015, an AAA screening program was performed in three urban and two rural communities. These communities were randomly selected. All at-risk residents (a total of 6925) aged 40 years or older were invited to attend an ultrasound scan for AAA...
April 3, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29609994/refinement-of-anatomic-indications-for-the-nellix-system-for-endovascular-aneurysm-sealing-based-on-2-year-outcomes-from-the-evas-forward-ide-trial
#5
Jeffrey P Carpenter, John S Lane, Jose Trani, Sajjad Hussain, Christopher Healey, Clifford J Buckley, Homayoun Hashemi, Robert Cuff
BACKGROUND: The Nellix System (Endologix, Inc, Irvine, Calif) for endovascular aneurysm sealing (EVAS) is a novel approach to abdominal aortic aneurysm treatment and conceptually different from endovascular aneurysm repair, whereby polymer is employed to fill and actively manage the abdominal aortic aneurysm sac. One-year safety and effectiveness results of the Nellix pivotal trial demonstrated encouraging outcomes with very low morbidity and mortality and high procedural and treatment success...
March 30, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29591724/two-year-outcomes-of-the-nellix-endovascular-aneurysm-sealing-system-for-treatment-of-abdominal-aortic-aneurysms
#6
Aleksandra C Zoethout, Johannes T Boersen, Jan M M Heyligers, Jean-Paul P M de Vries, Clark J A M Zeebregts, Michel M P J Reijnen
PURPOSE: To analyze the 2-year outcomes of endovascular aneurysm sealing (EVAS) according to 2 versions of the instructions for use (IFU). METHODS: A retrospective study was conducted involving 355 consecutive patients treated with the first-generation EVAS device from April 2013 to December 31, 2015, at 3 high-volume centers. Out of 355 patients treated with EVAS, 264 were elective asymptomatic infrarenal EVAS procedures suitable for analysis. In this cohort, 168 (63...
March 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29576336/the-impact-of-suprarenal-fixation-on-renal-function-following-endovascular-abdominal-aortic-aneurysm-repair-meta-analysis-based-on-estimated-glomerular-filtration-rate
#7
REVIEW
T Calderbank, M Bown, A Saratzis
BACKGROUND: Endovascular abdominal aortic aneurysm (AAA) repair (EVAR) is currently used routinely to treat AAA. Suprarenal fixation (SRF) of EVAR grafts can lead to renal dysfunction. A meta-analysis of studies using estimated glomerular filtration rate (eGFR) as a measure of renal injury to assess the effect of SRF on renal function was performed. METHODS: An electronic search was carried out to identify all articles that reported on renal injury following SRF versus infrarenal fixation (IRF) EVAR, and 24 studies were identified...
March 23, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29571627/long-term-decline-in-renal-function-is-more-significant-after-endovascular-repair-of-infrarenal-abdominal-aortic-aneurysms
#8
Ziad Al Adas, Alexander D Shepard, Timothy J Nypaver, Mitchell R Weaver, Thomas Maatman, Lenar T Yessayan, Praveen Balraj, Loay S Kabbani
OBJECTIVE: It is not clear whether endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms (AAAs) results in an increase in renal insufficiency during the long term compared with open repair (OR). We reviewed our experience with AAA repair to determine whether there was a significant difference in postoperative and long-term renal outcomes between OR and EVAR. METHODS: A retrospective cohort study was conducted of all patients who underwent AAA repair between January 1993 and July 2013 at a tertiary referral hospital...
March 20, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29568519/late-open-conversion-after-endovascular-repair-of-abdominal-aneurysm-failure-better-and-easier-option-than-complex-endovascular-treatment
#9
Stefano Bonardelli, Franco Nodari, Maurizio De Lucia, Emanuele Botteri, Alice Benenati, Edoardo Cervi
Aim: Conversion to open repair becomes the last option in case of endovascular repair of abdominal aneurysm failure, when radiological interventional procedures are unfeasible. While early conversion to open repair generally derives from technical errors, aetiopathogenesis and results of late conversion to open repair often remain unclear. Methods: We report data from our Institute's experience on late conversion to open repair. Twenty-two late conversion to open repairs out of 435 consecutive patients treated during a 18 years period, plus two endovascular repair of abdominal aneurysms performed in other centres, are analysed...
January 2018: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/29557588/update-on-status-of-infrarenal-aaa-devices
#10
Theodore Hart, Ross Milner
There are a variety of endografts currently available for endovascular repair of abdominal aortic aneurysms. Aneurysms of increasing anatomic complexity are being repaired with devices that are either newly approved or redesigned relative to the initial published experience with infrarenal EVAR. This article describes the contemporary devices approved for infrarenal EVAR in the United States and includes an up-to-date compilation of the data addressing outcomes specific to each device.
March 19, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29557587/fenestrated-endovascular-aortic-repair-and-clinical-trial-devices-for-complex-abdominal-aortic-aneurysms
#11
Clayton J Brinster, Ross Milner
Endovascular aortic repair (EVAR) has revolutionized the treatment of infrarenal abdominal aortic aneurysm (AAA), with consistently low reported perioperative morbidity and mortality. Universal applicability of EVAR to treat AAA is hindered by several specific anatomic constraints, however, and many patients cannot be treated with commercially available stent grafts within the device specific instructions for use. Treatment of these complex pararenal aneurysms is increasingly accomplished by extension of EVAR into the visceral segment of the abdominal aorta with branches or fenestrations that allow perfusion of the visceral and renal arteries...
March 19, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29548813/outcomes-of-using-endovascular-aneurysm-repair-with-active-fixation-in-complex-aneurysm-morphology
#12
Rami O Tadros, Alex Sher, Martin Kang, Ageliki Vouyouka, Windsor Ting, Daniel Han, Michael Marin, Peter Faries
OBJECTIVE: The ideal treatment option for patients with complex aneurysm morphology remains highly debated. The aim of this study was to investigate the impact of endovascular aneurysm repair (EVAR) with active fixation on outcomes in patients with complex aneurysm morphology. METHODS: There were 340 consecutive patients who underwent EVAR using active fixation devices, 234 with active infrarenal fixation (AIF; Gore Excluder; W. L. Gore & Associates, Flagstaff, Ariz) and 106 with active suprarenal fixation (ASF; 85 Medtronic Endurant [Medtronic, Santa Rosa, Calif] and 21 Cook Zenith [Cook Medical, Bloomington, Ind])...
March 13, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29534921/commentary-on-the-relationship-between-serum-interleukin-1%C3%AE-and-asymptomatic-infrarenal-abdominal-aortic-aneurysm-size-morphology-and-growth-rates
#13
John D Kakisis, George Geroulakos
No abstract text is available yet for this article.
March 10, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29511545/ligation-of-the-aorta-for-a-mycotic-abdominal-aortic-aneurysm-in-an-infant
#14
Zahira Zouizra, Soukaina Benbakh, Gaël Biaou, Drissi Boumzebra
Mycotic aortic aneurysms are exceedingly uncommon in infants and they have a high risk of rupture. Their surgical management is extremely challenging. We report a case of a 22-month-old girl who presented with abdominal pain and fever revealing a ruptured mycotic aneurysm of the infrarenal aorta. The surgical treatment consisted of a ligature of the proximal and distal ends of the aneurysm. Postoperative course was significant for hypertension. A year and a half follow-up showed no other complications. Limited data are available concerning our chosen technique, but the reported cases showed a good short-term outcome...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29501597/the-influence-of-four-or-more-patent-lumbar-arteries-on-persistent-type-ii-endoleak-and-sac-expansion-after-evar
#15
Yoshimasa Seike, Hitoshi Matsuda, Tetsuya Fukuda, Yosuke Inoue, Atsushi Omura, Kyokun Uehara, Hiroaki Sasaki, Junjiro Kobayashi
BACKGROUND: This study aimed to review our clinical results and determine how preoperative patent lumbar arteries (LAs) influence the occurrence of type II endoleaks or aneurysm sac enlargement after endovascular aneurysm repair (EVAR), and to identify the preoperative computed tomography findings of persistent type II endoleaks from patent LAs that indicate the need for preventive procedures during EVAR. METHODS: A total of 293 patients who underwent EVAR for infrarenal abdominal aortic aneurysm between August 2007 and July 2013 were reviewed...
February 28, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29481924/surgical-treatment-of-synchronous-type-b-acute-aortic-dissection-and-abdominal-aortic-aneurysm
#16
Raffaello Bellosta, Guido Gelpi, Chiara Lomazzi, Claudia Romagnoni, Patrizio Castelli, Santi Trimarchi, Gabriele Piffaretti
OBJECTIVES: We report the results of the operative treatment of synchronous type B acute aortic dissection (TBAAD) and infrarenal abdominal aortic aneurysm (AAA). MATERIALS AND METHODS: It is an observational, descriptive multicenter case series. INCLUSION CRITERIA: patients with diagnosis of TBAAD and AAA detected synchronously for the first time at clinical onset of dissection. Follow-up imaging protocol included triple-phase spiral/CT-A performed at 1, 6, and 12 months after thoracic endovascular aortic repair (TEVAR), and annually thereafter...
February 23, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29477237/potential-benefits-and-harms-of-offering-ultrasound-surveillance-to-men-aged-65-years-and-older-with-a-subaneurysmal-2-5-2-9-cm-infrarenal-aorta
#17
REVIEW
Candyce Hamel, Mona Ghannad, Matthew D F McInnes, John Marshall, Jonothan Earnshaw, Roxanne Ward, Becky Skidmore, Chantelle Garritty
OBJECTIVE: The objective of this review was to perform a rapid evidence summary to determine the prevalence of subaneurysmal aortic aneurysms, growth rates, and risk factors that modulate growth in average-risk men aged 65 years and older. Secondary objectives were to evaluate benefits and harms of lifelong ultrasound (US) surveillance and treatment outcomes for any large aneurysms that develop in the screened population. METHODS: We searched multiple databases (eg, Ovid MEDLINE, Embase Classic and Embase, and the Cochrane Library) on February 16, 2016...
February 21, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29474826/evar-complications-and-the-power-of-endovascular-solutions
#18
Mafalda Massara, Stefano Notarstefano, Giovanni De Caridi, Raffaele Serra, Pasquale Gerardi, Roberto Prunella, Giovanni Impedovo
We report the case of a 75 years old man submitted to traditional EVAR for infrarenal abdominal aortic aneurysm. He presented a late type II endoleak 6 months after operation, initially without sac enlargement. One year later, a CT scan control demonstred a sac expansion > 10 mm, also responsible of a secondary proximal type I endoleak. The patient was submitted to transarterial embolization of lumbar arteries through left internal iliac artery, followed by type I endoleak correction with a proximal cuff deployment...
February 20, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29473449/aspirin-use-is-associated-with-decreased-radiologically-determined-thrombus-sac-volume-in-abdominal-aortic-aneurysms
#19
Mark D Balceniuk, Lauren E Trakimas, Claudia Aghaie, Doran Mix, Khurram Rasheed, Jennifer Ellis, Roan Glocker, Adam Doyle, Michael C Stoner
Introduction Formation and renewal of intramural thrombus is associated with inflammation, and contributes to the complexity of aneurysm repair. Current cardiovascular pharmacotherapy includes several inflammatory modulators such as aspirin, statins, clopidogrel, and angiotensin-converting enzyme inhibitors. The purpose of our study was to investigate the effect of these inflammatory modulators on radiographically-determined thrombus sac volume. Methods Pre-operative computed tomography scans were reviewed in patients who underwent elective infrarenal aortic aneurysm repair...
January 1, 2018: Vascular
https://www.readbyqxmd.com/read/29466897/patients-older-than-80-years-can-reach-their-normal-life-expectancy-after-abdominal-aortic-aneurysm-repair-a-comparison-between-endovascular-aneurysm-repair-and-open-surgery
#20
Payman Majd, Wael Ahmad, Noemi Galas, Jan S Brunkwall
PURPOSE: To investigate the long-term outcomes of endovascular aneurysm repair (EVAR) and open surgical repair (OSR) of infrarenal abdominal aortic aneurysm in octogenarian patients and to compare them with the overall expected survival based on a sex- and age-matched German population. METHODS: A total of 177 patients (median age 82 years; 149 men) ≥80 years old (range 80-92) who underwent primary elective repair of an infrarenal aortic aneurysm (≥5 cm) between 1998 and 2015 were identified in a database search...
February 1, 2018: Journal of Endovascular Therapy
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