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Karina A Newhall, Kimon Bekelis, Bjoern D Suckow, Daniel J Gottlieb, Adrienne E Farber, Philip P Goodney, Jonathan S Skinner
Objective The risk of leg amputation among patients with diabetes has declined over the past decade, while use of preventative measures-such as hemoglobin A1c monitoring-has increased. However, the relationship between hemoglobin A1c testing and amputation risk remains unclear. Methods We examined annual rates of hemoglobin A1c testing and major leg amputation among Medicare patients with diabetes from 2003 to 2012 across 306 hospital referral regions. We created linear regression models to study associations between hemoglobin A1c testing and lower extremity amputation...
April 2017: Vascular
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Vascular
Matthias Kapischke, Dietmar Gerhard, Alexandra Pries
The objective of this study was to assess the safety of a new developed sutureless vascular adapter system in a porcine model. In five pigs, 4-cm-long polyester prosthesis (6 mm diameter) were implanted and anastomosed with the newly developed adapter proximally and suture anastomosis distally. The integration of the adapter was investigated in comparison to the suture anastomosis. These investigations were performed by light microscopy and scanning electron microscopy. Median operative time for performing the adapter anastomosis was significantly shorter compared to suture anastomosis (66 s vs...
February 2017: Vascular
Albeir Y Mousa, Mike Broce
No abstract text is available yet for this article.
February 2017: Vascular
Aaron J Lee, Young Lee, Daniel Novak, Natalie Marks, Enrico Ascher, Anil Hingorani
Introduction We examined the rate of positive findings and the distribution of vascular ultrasounds in the pediatric and adult population. Prior literature has noted a low rate of positive findings in adult vascular ultrasounds but there is little literature on pediatric vascular ultrasound. Methods We reviewed our vascular duplex database on inpatients less than 18 years old and compared it to the adult inpatient vascular duplex exams from 2005 to 2010. Results The adult patients had more extremity vascular exams while the pediatric patients had more abdominal and renal exams...
February 2017: Vascular
Juliëtte F Velu, Erik Groot Jebbink, Jean-Paul P M de Vries, Cornelis H Slump, Robert H Geelkerken
An important determinant of successful endovascular aortic aneurysm repair is proper sizing of the dimensions of the aortic-iliac vessels. The goal of the present study was to determine the concurrent validity, a method for comparison of test scores, for EVAR sizing and planning of the recently introduced Simbionix PROcedure Rehearsal Studio (PRORS). Seven vascular specialists analyzed anonymized computed tomography angiography scans of 70 patients with an infrarenal aneurysm of the abdominal aorta, using three different sizing software packages Simbionix PRORS (Simbionix USA Corp...
February 2017: Vascular
Doeke Boersma, Gert Jan de Borst, Frans L Moll
Objective This study evaluated the concept of percutaneous closure of insufficient veins using the VeinScrew principle. Methods The VeinScrew is designed to place a spring-shaped implant that contracts and clamps around the vein. The ability of the device to occlude adequately was tested in a bench model experiment. The feasibility of accurate placement and adequate venous occlusion was evaluated in an animal experiment and in a human cadaveric experiment. Results The VeinScrew implant occluded up to a pressure of 135 mmHg...
February 2017: Vascular
Saad Bin Ayeed, Mohamad A Hussain, Musaad AlHamzah, Mohammed Al-Omran
Peripheral arterial disease is a marker of severe atherosclerosis with a significantly higher risk of cardiovascular morbidity and mortality. It is often underdiagnosed and undertreated. Public and patients' perception of peripheral arterial disease is influenced by their knowledge of the condition. In this study, we aimed to evaluate the Saudi public's knowledge of peripheral arterial disease and its specific characteristics. We conducted an interview-based cross-sectional survey, and collected data on basic demographics, self-reported peripheral arterial disease awareness, and knowledge of clinical features, risk factors, preventative measures, management strategies, and potential complications of peripheral arterial disease...
February 2017: Vascular
Dare Oladokun, Benjamin O Patterson, Jack Rw Brownrigg, Jorg L deBruin, Peter J Holt, Ian Loftus, Matthew M Thompson
Approximately 40-50% of patients undergoing thoracic endovascular aortic repair require left subclavian artery coverage for adequate proximal landing zone. Many of these patients undergo left subclavian artery revascularisation. However, outcomes data for left subclavian artery revascularisation in the context of thoracic endovascular aortic repair remain limited. In this study, 70 left subclavian artery revascularisation procedures, performed on thoracic endovascular aortic repair patients at a tertiary hospital, were retrospectively reviewed...
February 2017: Vascular
Jeroen Jwm Brouwers, Rob C van Wissen, Hugo Tc Veger, Joris I Rotmans, Bart Mertens, Michel Jt Visser
Whether patients with renal artery stenosis should undergo therapeutic revascularization is controversial. In this retrospective study, we evaluated prognostic intrarenal Doppler ultrasound parameters that might have a predictive value for a beneficial response after renal revascularization. From January 2003 until December 2012, all renovascular interventions for renal artery stenosis were analyzed. The resistive index and the maximal systolic acceleration were determined by Doppler ultrasonography prior to intervention...
February 2017: Vascular
Kenneth Ouriel, Richard L Ouriel, Yeun J Lim, Gregory Piazza, Samuel Z Goldhaber
Purpose Computed tomography angiography is used for quantifying the significance of pulmonary embolism, but its reliability has not been well defined. Methods The study cohort comprised 10 patients randomly selected from a 150-patient prospective trial of ultrasound-facilitated fibrinolysis for acute pulmonary embolism. Four reviewers independently evaluated the right-to-left ventricular diameter ratios using the standard multiplanar reformatted technique and a simplified (axial) method, and thrombus burden with the standard modified Miller score and a new, refined Miller scoring system...
February 2017: Vascular
Nadeem A Siddiqui, Ziad Sophie, Farhan Zafar, Delvene Soares, Iram Naz
Introduction Post-thrombotic syndrome is a common and debilitating sequelae of lower limb deep venous thrombosis. Very little awareness is present about the risk factors and about the diagnosis, prevention, and treatment of this condition. Objective The objective of this study is to identify the predictors of post-thrombotic syndrome after lower limb deep venous thrombosis. Materials and methods A case-control study was conducted on all adult patients who were admitted with lower limb deep venous thrombosis at our institution from January 2005 to June 2012...
February 2017: Vascular
Konstantinos Spanos, Christos Karathanos, Athanasios D Giannoukas
No abstract text is available yet for this article.
February 2017: Vascular
Vinay Kansal, Prasad Jetty, Dalibor Kubelik, George Hajjar, Andrew Hill, Tim Brandys, Sudhir Nagpal
Endovascular aneurysm repairs lacking suitable common iliac artery landing zones occasionally require graft limb extension into the external iliac artery, covering the internal iliac artery origin. The purpose of this study was to assess incidence of type II endoleak following simple coverage of internal iliac artery without embolization during endovascular aneurysm repair. Three hundred eighty-nine endovascular aneurysm repairs performed by a single surgeon (2004-2015) were reviewed. Twenty-seven patients underwent simple internal iliac artery coverage...
February 2017: Vascular
Erik Staffa, Vladan Bernard, Lubos Kubicek, Robert Vlachovsky, Daniel Vlk, Vojtech Mornstein, Ales Bourek, Robert Staffa
Aim of this study was to evaluate the possible use of infrared thermography as a supplementary method to the ankle-brachial index used in assessing the treatment effect of percutaneous transluminal angioplasty. The study included 21 patients, mean age was 60.22 years. Healthy control group included 20 persons, mean age was 55.60 years. Patients with symptomatic peripheral arterial disease (Fontaine stages I-III) were admitted for endovascular treatment by percutaneous transluminal angioplasty. Thermal images and ankle-brachial index values were obtained before and after treatment by percutaneous transluminal angioplasty...
February 2017: Vascular
Thorsten Brenner, Felix Cf Schmitt, Serdar Demirel, Eduardo Salgado, Juan Antonio Celi de la Torre, Martin Göring, Thomas Bruckner, Dittmar Böckler, Markus A Weigand, Stefan Hofer, Nicolas Attigah
The aims of the present study were to examine the influence of a low-dose unfractionated heparin regime on platelet aggregation and to additionally assess the prevalence of primary aspirin resistance in patients undergoing carotid endarterectomy. Therefore, 50 patients undergoing carotid endarterectomy were enrolled. A bolus of 3000 IU unfractionated heparin was administered 2 min before carotid cross-clamping additionally to standard antiaggregatory therapy. Haemostaseological point of care testing was performed twice, prior to surgery and 10 min after unfractionated heparin administration by the use of aggregometric and viscoelastic point of care testing...
February 2017: Vascular
Takuya Matsumoto, Kentaro Inoue, Shinichi Tanaka, Yukihiko Aoyagi, Yutaka Matsubara, Daisuke Matsuda, Keiji Yoshiya, Ryosuke Yoshiga, Tomoko Ohkusa, Yoshihiko Maehara
Purpose Our objective was to compare the radial forces of several stents ex vivo to identify stents suitable for rescue of the unexpected coverage of aortic arch branches in thoracic endovascular aortic repair. Methods We measured the radial forces of two types of self-expanding bare nitinol stents (E-luminexx and Epic) used singly or as double-walled pairs, and of three endoprostheses used in thoracic endovascular aortic repair (TEVAR, Gore c-TAG, Relay, and Valiant) by compressing the stent using an MTS Instron universal testing machine (model #5582)...
February 2017: Vascular
Yang Yaoguo, Chen Zhong, Kou Lei, Xiao Yaowen
Objective We reviewed data pertaining to fenestrated endograft technique and chimney stent repair of complex aortic aneurysm for comparative analysis of the outcomes. Methods A comprehensive search of relevant databases was conducted to identify articles in English, related to the treatment of complex aortic aneurysm with fenestrated endovascular aneurysm repair and chimney stent repair, published until January 2015. Results A total of 42 relevant studies and 2264 patients with aortic aneurysm undergoing fenestrated endovascular aneurysm repair and chimney stent repair were included in our review...
February 2017: Vascular
Georgia Christofi, Konstantinos P Donas, Georgios A Pitoulias, Giovanni Torsello, Arne G Schwindt, Konstantinos Stavroulakis
Objective Current evidence in the literature about endovascular treatment (ET) of visceral vessels in patients with chronic mesenterial ischemia (CMI) based on morphological characteristics is limited. The aim of this study was the evaluation of ET in occluded and stenotic visceral vessels. Methods Patients undergoing ET for CMI between November 2000 and November 2012 were included in this retrospective study. Primary measure outcome was the symptom-free survival (SFS). Secondary outcomes were primary (PPR), secondary patency (SPR) rates and technical success rate (TSR)...
February 2017: Vascular
Kim van Noort, Richte Cl Schuurmann, Bryan Wermelink, Cornelis H Slump, Karel C Kuijpers, Jean-Paul Pm de Vries
Objectives The results after aneurysm repair with an endovascular aneurysm sealing (EVAS) system are dependent on the stability of the aneurysm sac and particularly the intraluminal abdominal aortic thrombus (ILT). The postprocedural ILT volume is decreased compared with preprocedural ILT volume in aortic aneurysm patients treated with EVAS. We hypothesize that ILT is not stable in all patients and pressurization of the ILT may result in displacement of fluids from the ILT, no differently than serum is displaced from whole blood when it settles...
January 1, 2017: Vascular
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