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Rui Machado, Vitor Miguel Dias Ferreira, Luis Loureiro, João Gonçalves, Pedro Oliveira, Rui Almeida
Objective: The endovascular repair of aortic abdominal aneurysms exposes the patients and surgical team to ionizing radiation with risk of direct tissue damage and induction of gene mutation. This study aims to describe our standard of radiation exposure in endovascular aortic aneurysm repair and the factors that influence it. Methods: Retrospective analysis of a prospective database of patients with abdominal infra-renal aortic aneurysms submitted to endovascular repair...
November 2016: Brazilian Journal of Cardiovascular Surgery
W Ye, X Di, Q Liu, Y J Li, Y H Zheng, R Zeng, X J Song, Z L Liu, C W Liu
Objective: To summarize results of endovascular treatment for auto-immune disease related abdominal aorta pseudo-aneurysm(AIPA), and to analysis clinical predictors of long term major adverse clinical events(MACE). Methods: Retrospectively collected endovascular treatment for AIPA cases in Peking Union Medical College Hospital within 2000 to 2015. Twenty-nine cases with AIPA treated by endovascular therapy were enrolled in this study. Twenty five cases were male, range from 23 to 67 years old, mean age was (39...
December 6, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
James Barr, John Kokotsakis, Pantelis Tsipas, Prodromos Papapavlou, Konstantinos Velissarios, Theodoros Kratimenos, Thanos Athanasiou
Chronic mesenteric ischemia (CMI) is a rare disorder caused by severe stenosis of the mesenteric arterial supply that results in postprandial pain and weight loss. Treatment options are surgical or endovascular. Surgical bypass can be performed in an antegrade fashion from the supraceliac abdominal aorta (AA) or the distal descending thoracic aorta or in a retrograde fashion from the infrarenal aorta or the common iliac artery. However, in some patients with disease of the descending thoracic aorta or the AA, another site for the proximal anastomosis needs to be found...
November 28, 2016: Annals of Vascular Surgery
Andrea M Steely, Peter W Callas, Daniel Neal, Salvatore T Scali, Philip P Goodney, Andres Schanzer, Jack L Cronenwett, Daniel J Bertges
BACKGROUND: The aim of this study is to assess for regional variation in the incidence of postoperative myocardial infarction (POMI) following nonemergent vascular surgery across the United States to identify potential areas for quality improvement initiatives. METHODS: We evaluated POMI rates across 17 regional Vascular Quality Initiative (VQI) groups that comprised 243 centers with 1,343 surgeons who performed 75,057 vascular operations from 2010 to 2014. Four procedures were included in the analysis: carotid endarterectomy (CEA, n = 39,118), endovascular abdominal aortic aneurysm (AAA) repair (EVAR, n = 15,106), infrainguinal bypass (INFRA, n = 17,176), and open infrarenal AAA repair (OAAA, n = 3,657)...
November 29, 2016: Annals of Vascular Surgery
Brigitta Lutz, Christian Reeps, Gabor Biro, Christoph Knappich, Alexander Zimmermann, Hans-Henning Eckstein
BACKGROUND: Alloplastic aortic graft infection is a devastating complication following aortic surgery. It is associated with excessively high mortality and morbidity caused by anastomotic rupture or septicemia. Many authors consider in situ replacement after complete surgical graft removal as the method of choice. However, there is an ongoing debate about the most suitable material for reconstruction. We present our first experiences with replacing the descending and infrarenal aorta using custom-made bovine pericardium grafts...
November 27, 2016: Annals of Vascular Surgery
Paola Giordano, Paola Muggeo, Maurizio Delvecchio, Santa Carbonara, Alberto Romano, Maria Altomare, Gabriella Ricci, Federica Valente, Annapaola Zito, Pietro Scicchitano, Luciano Cavallo, Marco Matteo Ciccone, Nicola Santoro, Maria Felicia Faienza
BACKGROUND: Childhood acute lymphoblastic leukemia (ALL) survivors have increased risk of obesity, metabolic alterations and cardiovascular disease (CVD). Vascular endothelial function has been studied in adult cancers. Limited data exist regarding CVD risk factors among childhood ALL survivors. We aimed to assess endothelial function, metabolic and cardiovascular risk factors in young survivors of childhood ALL. METHODS: Auxological parameters, blood pressure, glucose, lipid profile, hemostatic markers (total adiponectin and high-molecular-weight subfraction, endothelin-1, von Willebrand factor antigen, thrombin-antithrombin complex, D-dimers, fibrinogen), high sensitive C-reactive protein and ultrasound parameters of endothelial function (flow-mediated dilation-FMD, common carotid intima-media thickness-C-IMT, and antero-posterior diameter of infra-renal abdominal aorta-APAO) were assessed in 52 ALL survivors and 34 sex and age-matched controls...
February 1, 2017: International Journal of Cardiology
Jesse Victory, Syed Ali Rizvi, Enrico Ascher, Anil Hingorani
BACKGROUND: Complete thrombosis of an aortic endograft after an endovascular aortic aneurysm repair is a rare complication. The majority of thrombotic events occur in the iliac limbs. CASE PRESENTATION: We present the case of a patient who presented with acute limb ischemia as the result of a thrombosed infra-renal aortic endograft. After restoration of blood flow to the lower extremities with an axillary to bi-femoral artery bypass, the patient was lost to follow-up...
November 24, 2016: Vascular
Hideya Kamei, Yasuharu Onishi, Masatoshi Ishigami, Yoji Ishizu, Kojiro Suzuki, Yasuhiro Ogura
INSTRUCTION: Inferior vena cava (IVC) thrombosis can be a life-threatening complication after liver transplantation (LT). Although this complication is usually related to technical problems associated with vascular anastomosis, we report a case of IVC thrombosis which developed from a ligated large mesenteric-caval shunt. PRESENTATION OF CASE: A 35-year-old man underwent LT from a brain-dead donor for primary sclerosing cholangitis. Enhanced computed tomography (CT) before LT showed a huge collateral vessel of the inferior mesenteric vein (IMV) draining into the infra-renal IVC directly...
2016: International Journal of Surgery Case Reports
P A Stonebridge, S A Suttie, R Ross, J Dick
OBJECTIVE: Spiral laminar flow was suggested as potentially the predominant arterial blood flow pattern many years ago. Computational fluid dynamics and flow rig testing have suggested there are advantages to spiral laminar flow. The aim of this study was to identify whether spiral laminar is the predominant flow pattern in a cohort of volunteers. METHODS: This study included 42 volunteers (mean age 66.8 years). Eleven arterial sites were examined, comprising bilateral examination of the common carotid artery, internal carotid artery, external carotid artery, common femoral artery, superficial femoral artery, and the infra renal aorta...
November 2016: European Journal of Vascular and Endovascular Surgery
Rui Machado, Inês Lopes Antunes, Pedro Oliveira, Carlos Pereira, Rui de Almeida
INTRODUCTION: Endovascular aneurysm repair (EVAR) was introduced as a less aggressive treatment of abdominal aortic aneurysms (AAA) for patients ineligible for open repair (OR). OBJECTIVE: To analyze EVAR's incorporation impact in the treatment of infra-renal abdominal aortic aneurysms in our institution. METHODS: A retrospective study of the patients with diagnostic of infra-renal AAA treated between December 2001 and December 2013 was performed...
April 2016: Brazilian Journal of Cardiovascular Surgery
A K Lindahl
No abstract text is available yet for this article.
October 2016: European Journal of Vascular and Endovascular Surgery
Misty D Humphries, Bjoern D Suckow, Joshua T Binks, Carrie McAdam-Marx, Larry W Kraiss
OBJECTIVES: Endovascular aortic aneurysm repair (EVAR) is now established as first line treatment for infra-renal aortic aneurysms in the United States. Recent data from randomized trials suggest elective EVAR is cost effective compared to open AAA repair (oAAA). Cost analysis for urgent aneurysm repair has not been reported. We evaluated the cost of elective and urgent EVAR and compared it to oAAA at a tertiary academic medical center. METHODS: All infrarenal AAA repairs performed from 2004-2010 were retrospectively reviewed (n=172)...
August 10, 2016: Annals of Vascular Surgery
Geoffrey Agag, Lucie Salomon Du Mont, Betty Leclerc, Julien Behr, Simon Rinckenbach
OBJECTIVES: The renal safety of suprarenal (SR) fixation stentgrafts has not been demonstrated yet. The principal objective of this study was to analyze the effect of the type of fixation of stentgrafts on the renal function at one year, by calculating the estimated glomerular filtration rate (eGFR). The secondary objective was the evaluation of the morphological repercussion of the implants at the renal level by CT. METHODS: This was a monocentric retrospective study, including all the patients treated electively between 2008 and 2014 with a bifurcated aortic stentgraft...
August 10, 2016: Annals of Vascular Surgery
Yaohua Gao, Tai Yi, Toshiharu Shinoka, Yong Ung Lee, Darrell H Reneker, Christopher K Breuer, Matthew L Becker
An off-the-shelf, small diameter tissue engineered vascular graft (TEVG) would be transformative to surgeons in multiple subspecialties. Herein, the results of a small diameter (ID ≈ 1 mm) vascular graft constructed from resorbable, amino acid-based poly(ester urea) (PEU) are reported. Electrospun PEU grafts of two different wall thicknesses (type A: 250 μm; type B: 350 μm) are implanted as abdominal infra-renal aortic grafts in a severe combined immune deficient/beige mouse model and evaluated for vessel remodeling over one year...
September 2016: Advanced Healthcare Materials
Harrie van den Bosch, Jos Westenberg, Wikke Setz-Pels, Erik Kersten, Alexander Tielbeek, Lucien Duijm, Johannes Post, Joep Teijink, Albert de Roos
The objective of this pilot study was to explore the prognostic value of outcome of cardiovascular magnetic resonance (MR) imaging biomarkers in patients with symptomatic peripheral arterial disease (PAD) in comparison with traditional risk factors. Forty-two consecutive patients (mean age 64 ± 11 years, 22 men) referred for contrast-enhanced MR angiography (CE-MRA) were included. At baseline a comprehensive cardiovascular MRI examination was performed: CE-MRA of the infra-renal aorta and run-off vessels, carotid vessel wall imaging, cardiac cine imaging and aortic pulse wave velocity (PWV) assessment...
August 2016: International Journal of Cardiovascular Imaging
Jaideep M Ratkal, Ravikumar Jadhav, Ritam R Naique Dessai
An anomalous development of infra-renal inferior vena cava leads to circumcaval ureter or preureteral vena cava, a rare congenital anomaly with an autopsy incidence of 0.9 per 1000. We present a case of circumcaval ureter and review the literature with a special emphasis on the paradigm shift seen during the last decade, in diagnostic and management strategies.
February 2016: Indian Journal of Surgery
Efstratios Georgakarakos, George S Georgiadis, Christos Argyriou, Nikolaos Schoretsanitis, George A Antoniou, Miltos K Lazarides
BACKGROUND: Our aim was to present our preliminary experience with the recently introduced Treovance aortic stent-graft device (Bolton Medical, Barcelona, Spain) in the treatment of abdominal aortic aneurysm (AAA). METHODS: Eight patients underwent treatment of an infrarenal AAA (mean maximum diameter, 56.4 ± 6.8 mm) with the Treovance device. Iliac tortuosity was considered mild, moderate, or severe when ≥1 angulation of 45-90°, 1 angulation ≥90°, or ≥2 angulations ≥90°, respectively, were present...
July 2016: Annals of Vascular Surgery
Timothy P Shiraev, Steven Dubenec
Iliac branch devices (IBDs) are commonly used to treat iliac artery aneurysms and maintain patency of the internal iliac artery or its branches. This case report illustrates another possible application for an IBD. We present the case of a 77-year-old male who underwent repair of his infrarenal aneurysm with an IBD as a bifurcated aortic stent-graft in a small diameter aorta to maintain bilateral common iliac artery patency.
July 2016: Annals of Vascular Surgery
J Alvarez, A Prada, C Bermúdez, R García, E Ruiz, J Urbano
OBJECTIVES: To obtain the percentage of abdominal aortic aneurism (AAA) determined in men between 65-74 years old in a health centre using ultrasound, and to describe the distribution of risk factors in the whole sample and in patients with aneurism, as well as determining how many AAA are confirmed at the hospital and those cases of uncertain diagnosis. PATIENTS AND METHOD: A cross-sectional study conducted on patients included from September 2014 to February 2015...
January 2017: Semergen
Shinichi Ohki, Soki Kurumisawa, Yoshio Misawa
A 73-year-old man was transferred for treatment of abdominal aortic aneurysm. He had no history of abdominal surgeries. Grafting between the infra-renal abdominal aorta and the bilateral common iliac arteries was performed. Proximal and distal cross clamps were applied for grafting. He developed chylous ascites on the 5th post-operative day, 2 days after initiation of oral intake. Fortunately, he responded to treatment with total parenteral hyper-alimentation for 10 days, followed by a low-fat diet. There was no recurrence of ascites...
2016: Annals of Vascular Diseases
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