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https://www.readbyqxmd.com/read/28722365/-segmental-arterial-mediolysis-a-differential-diagnosis-of-vasculitis
#1
Yassaman Alipour Tehrany, Sylvain Terraz, Jörg D Seebach
Segmental arterial mediolysis (SAM) is a rare non-atherosclerotic, non-inflammatory disease of unknown aetiology mostly affecting medium-sized arteries of the splanchnic circulation. Histologically, SAM is characterized by vacuolization and lysis of the arterial media leading to dissection, stenosis/occlusion or aneurysms. Symptoms vary from unspecific abdominal pain to hemorrhagic shock due to vessel rupture. The clinical and radiological presentation can mimic vasculitis, fibromuscular dysplasia or collagen vascular diseases...
April 5, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28716989/high-prevalence-of-multiple-arterial-bed-lesions-in-patients-with-fibromuscular-dysplasia-the-arcadia-registry-assessment-of-renal-and-cervical-artery-dysplasia
#2
Pierre-François Plouin, Jean-Philippe Baguet, Frédéric Thony, Olivier Ormezzano, Arshid Azarine, François Silhol, Catherine Oppenheim, Béatrice Bouhanick, Louis Boyer, Alexandre Persu, Frank Hammer, Philippe Gosse, Claire Mounier-Vehier, Claire Le Hello, Xavier Jeunemaitre, Michel Azizi, Laurence Amar, Gilles Chatellier, Elie Mousseaux, Emmanuel Touzé
Fibromuscular dysplasia (FMD) commonly affects the renal and cervical arteries but has been described to affect other vascular beds as well. The prevalence of and clinical characteristics associated with multisite FMD (string-of-beds or focal stenoses affecting at least 2 vascular beds) are not known. In the prospective ARCADIA registry (Assessment of Renal and Cervical Artery Dysplasia), symptomatic patients with renal artery (RA) FMD underwent tomographic- or magnetic resonance-angiography from the aortic arch to the intracranial arteries and those with cervical FMD from the diaphragm to the pelvis...
July 17, 2017: Hypertension
https://www.readbyqxmd.com/read/28716062/the-effects-of-acute-and-elective-cardiac-surgery-on-the-anxiety-traits-of-patients-with-marfan-syndrome
#3
Kálmán Benke, Bence Ágg, Miklós Pólos, Alex Ali Sayour, Tamás Radovits, Elektra Bartha, Péter Nagy, Balázs Rákóczi, Ákos Koller, Viola Szokolai, Julianna Hedberg, Béla Merkely, Zsolt B Nagy, Zoltán Szabolcs
BACKGROUND: Marfan syndrome is a genetic disease, presenting with dysfunction of connective tissues leading to lesions in the cardiovascular and skeletal muscle system. Within these symptoms, the most typical is weakness of the connective tissue in the aorta, manifesting as aortic dilatation (aneurysm). This could, in turn, become annuloaortic ectasia, or life-threatening dissection. As a result, life-saving and preventative cardiac surgical interventions are frequent among Marfan syndrome patients...
July 17, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28715511/endovascular-treatment-of-genetically-linked-aortic-diseases
#4
D Böckler, K Meisenbacher, A S Peters, C Grond-Ginsbach, M S Bischoff
BACKGROUND: The most important structural proteins of the vascular wall are collagen and elastin. Genetically linked connective tissue diseases lead to degeneration, aneurysm formation and spontaneous dissection or rupture of arteries. The most well-known are Marfan syndrome, vascular Ehlers-Danlos syndrome (type IV), Loeys-Dietz syndrome and familial aortic aneurysms and dissections. OBJECTIVE: This review article addresses the current status of endovascular treatment options for important connective tissue diseases...
2017: Gefässchirurgie: Zeitschrift Für Vaskuläre und Endovaskuläre Chirurgie
https://www.readbyqxmd.com/read/28712642/a-rare-case-of-febrile-abdominal-pain-revealing-horton-s-disease
#5
Arnaud Chaudet, Jean-Michel Goujon, Aiham Daniel Ghazali
BACKGROUND: Horton's disease is a systemic inflammatory vasculitis, usually found in persons over 50years old. It affects medium and large-sized arteries stemming from the external carotid, especially the superficial temporal arteries. It can affect extracranial large vessels but only rarely the aorta. Diagnosis of aortitis is difficult and its incidence is probably underestimated. CASE PRESENTATION: A 68-year-old Caucasian woman consulted in an emergency department for febrile abdominal pain with inflammatory syndrome...
July 8, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28711328/overexpression-of-microrna-30a-contributes-to-the-development-of-aortic-dissection-by-targeting-lysyl-oxidase
#6
Yang Yu, Enyi Shi, Tianxiang Gu, Rui Tang, Shilun Gao, Yongchao Wang, Hongbo Liu
OBJECTIVE: To explore the role of microRNA (miR)-30a in the development of aortic dissection. METHODS: Human aortic specimens of aortic dissections and aneurysms were harvested. Aortic specimens from donors for heart transplantation served as controls. Rat aortic vascular smooth muscle cells (VSMCs) were transfected with agomiR-30a or antagomiR-30a, and control cells were incubated with empty vectors. Rats were pretreated with agomiR-30a or antagomiR-30a (5 × 10(7) transfection units every 3 days for 4 weeks), and empty vectors were infused to controls...
June 16, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28710081/use-of-a-next-generation-multi-durometer-long-guide-sheath-for-triaxial-access-in-flow-diversion-experience-in-95-consecutive-cases
#7
Li-Mei Lin, Matthew T Bender, Geoffrey P Colby, Narlin B Beaty, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Alexander L Coon
BACKGROUND: Intracranial access techniques in modern neurointerventions have shifted towards more robust access platforms. The long guide sheath is one of the building blocks of triaxial systems used in intracranial embolizations. Here we present our experience with the AXS Infinity LS long sheath in the triaxial platform for the implantation of the Pipeline embolization device (PED). METHODS: We retrospectively identified patients who underwent PED Flex treatment with the AXS Infinity LS at a single institution...
July 14, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28707350/midterm-to-long-term-safety-and-efficacy-of-self-expandable-nitinol-stent-implantation-for-coarctation-of-aorta-in-adults
#8
Ali Mohammad Haji Zeinali, Mohammad Sadeghian, Shakeel A Qureshi, Payam Ghazi
PURPOSE: Endovascular treatment of coarctation of aorta (CoA) by self-expandable Nitinol stents is one of the recognized treatment methods and may be an alternative to surgery or balloon-expandable stent implantation for CoA but there is little information about midterm to long term results of self-expandable stents. METHODS: Sixty-two patients with CoA (40 men), with a mean age of 30.7 ± 11 years, (range 17-63 years) underwent stent implantation with Optimed self-expandable Nitinol stents between 2005 and 2014...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28706600/dissecting-aneurysm-of-aortic-root-with-severe-aortic-regurgitation
#9
Jayaprasad Narayanapillai
No abstract text is available yet for this article.
April 2017: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/28705341/-is-ultrasound-guidance-contributive-to-vascular-access-in-endovascular-therapy
#10
B Dakhil, F Couineau, J Hernigou, J Bardet, E Tella, P Bagan
OBJECTIVES: The aim of this study was to evaluate the contribution of ultrasound guidance (UG) to vascular puncture in endovascular therapy. Ultrasound guidance was evaluated by comparison with the rates of failures and complications of the traditional techniques of percutaneous vascular access. MATERIALS AND METHODS: We reviewed all the consecutive percutaneous revascularizations (percutaneous transluminal angioplasty and/or stenting, treatment of aneurysms and vascular traumatisms) since the standardization of the systems of closing (extra- and endovascular)...
July 2017: J Med Vasc
https://www.readbyqxmd.com/read/28701309/arhgap18-protects-against-thoracic-aortic-aneurysm-formation-by-mitigating-the-synthetic-and-pro-inflammatory-smooth-muscle-cell-phenotype
#11
Renjing Liu, Lisa Lo, Angelina J Lay, Yang Zhao, Ka Ka Ting, Elizabeth N Robertson, Andrew G Sherrah, Sorour R Jarrah, Haibo Li, Zhaoxiong Zhou, Brett D Hambly, David R Richmond, Richmond W Jeremy, Paul G Bannon, Matthew A Vadas, Jennifer Gamble
Rationale: Thoracic aortic aneurysm (TAA) is a potentially lethal condition which can affect individuals of all ages. TAA may be complicated by the sudden onset of life threatening dissection or rupture. The underlying mechanisms leading to TAA formation, particularly in the non-syndromal idiopathic group of patients, are not well understood. Thus, identification of new genes and targets that are involved in TAA pathogenesis are required to help prevent and/or reverse the disease phenotype. Objective: Here we explore the role of ARHGAP18, a novel Rho GAP expressed by smooth muscle cells (SMC), in the pathogenesis of TAA...
July 12, 2017: Circulation Research
https://www.readbyqxmd.com/read/28696036/cervical-artery-dissection-expands-the-cardiovascular-phenotype-in-fbn1-related-weill-marchesani-syndrome
#12
Kelsey Newell, Wendy Smith, Brian Ghoshhajra, Eric Isselbacher, Angela Lin, Mark E Lindsay
Weill-Marchesani syndrome (WMS) is a rare form of acromelic dysplasia that is characterized by distinctive skeletal, ocular, and cardiovascular abnormalities. Previously described cardiac manifestations of WMS include aortic and pulmonary valve stenosis, mitral valve prolapse, mitral stenosis, and QTc prolongation. Autosomal dominant forms of WMS result from heterozygous pathogenic variants in FBN1, a gene with a well characterized role in the pathogenesis of thoracic aortic aneurysm (TAA) in the context of Marfan syndrome...
July 11, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28693381/a-meta-analysis-of-weekend-admission-and-surgery-for-aortic-rupture-and-dissection
#13
Hisato Takagi, Tomo Ando, Takuya Umemoto
We performed a meta-analysis to determine whether weekend admission and surgery for ruptured abdominal/thoracic aortic aneurysm (RAAA/RTAA) and acute aortic dissection (AAD) is associated with increased mortality. MEDLINE and EMBASE were searched from January 1946 to December 2016 using PubMed and OVID. Eligible studies were prospective or retrospective, comparative or cohort studies enrolling patients admitting or undergoing surgery for RAAA/RTAA/AAD and reporting mortality after weekend (including holiday) versus weekday admission/surgery...
July 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28693049/hybrid-repair-techniques-for-complex-aneurysms-and-dissections-involving-the-aortic-arch-and-thoracic-aorta
#14
Rami Tadros, Scott R Safir, Peter L Faries, Daniel K Han, Rajiv K Chander, James F McKinsey, Michael L Marin, Allan S Stewart, Sharif Ellozy
Aortic aneurysms involving the ascending aorta, aortic arch, and descending thoracic aorta have been a challenging entity to surgically treat for over 60 years. Despite the mortality of the disease, early open surgical procedures also had significant morbidity and mortality. The inherent risk in treating multiple anatomic segments simultaneously led to the innovation of the staged elephant trunk (ET) approach by Borst in 1983. To avoid the thoracotomy and associated complications related to the second stage of the procedure, an endovascular completion paradigm was begun by Volodos in 1991...
July 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28691213/central-cannulation-strategy-for-extent-i-thoracoabdominal-aneurysm-repair-of-chronic-type-b-aortic-dissection
#15
Reilly D Hobbs, Tyler J Wallen, Caroline M Komlo, Patrick J Moeller, Alberto Pochettino, Joseph E Bavaria, Prashanth Vallabhajosyula
INTRODUCTION: We evaluated the safety profile of a central cardiopulmonary bypass (CPB) cannulation strategy for repair of extent I thoracoabdominal aortic aneurysms (TAAA) with chronic type B dissection in comparison to traditional peripheral CPB cannulation strategies. METHODS: Patients undergoing extent I TAAA repair for chronic type B dissection from 2002 to 2011 were retrospectively reviewed. Patients were grouped by their CPB cannulation strategy. Patients in Group I underwent central aortic cannulation (n = 28) through a left thoracotomy incision...
July 10, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28689955/flow-diverting-stent-in-the-treatment-of-cervical-carotid-dissection-and-pseudoaneurysm-review-of-literature-and-case-report
#16
REVIEW
Anna Paula Weinhardt Baptista-Sincos, Aline Bigatão Simplício, Igor Rafael Sincos, Alex Leaderman, Fernando Saliture Neto, Adjaldes Moraes, Ricardo Aun
BACKGROUND: The endovascular technique has been recommended over the past few years to extracranial carotid dissection and pseudoaneurysm with promising results, specially after medical therapy failure. Flow-diverting stents are an alternative for complex cases. These stents have proven to be effective treatment devices for intracranial aneurysms. OBJECTIVE: To find out all cases of flow-diverting stents in the treatment of extracranial carotid dissection with or without pseudoaneurysm and compare to our case report...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28689951/spot-stenting-of-supra-aortic-branch-vessels-for-residual-type-a-dissection
#17
Ciro Ferrer, Raffaele Grande, Luigi Venturini, Valerio Scarano Catanzaro, Gabriele Maritati, Luca di Marzo
of this report is to describe the exclusion of the false lumen in a residual type A aortic dissection (TAAD) by the deployment of two covered stents: one in the right common carotid artery (RCCA) and one in the left subclavian artery (LSA). A 77-year-old female, already treated with ascending aorta replacement for acute TAAD, was referred to our center for a 97-mm post-dissection arch aneurysm. A computed tomography angiography (CTA) showed false lumen patency by reperfusion from secondary tears located at level of RCCA and LSA...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28689484/transcatheter-aortic-valve-implantation-as-a-bailout-procedure-for-acute-aortic-valve-regurgitation-during-endovascular-arch-repair
#18
Adrien Hertault, Rachel E Clough, Thomas Modine, Jean-Luc Auffray, Mohamad Koussa, Stéphan Haulon
PURPOSE: To report emergent transcatheter aortic valve implantation (TAVI) to treat acute severe aortic regurgitation caused by valve cusp dysfunction following proximal migration of an endograft implanted in the ascending aorta during endovascular arch repair. CASE REPORT: A 65-year-old man had been previously treated with thoracic and fenestrated endografts in a 2-stage procedure for a chronic type B dissection. At 2-year follow-up, aneurysmal evolution of the distal arch led to development of a proximal type Ia endoleak...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28688063/spinal-cord-infarcts-risk-factors-management-and-prognosis
#19
REVIEW
Deena M Nasr, Alejandro Rabinstein
There are no standard guidelines for treatment of spinal cord ischemia due to how rare it is and the diverse etiology and presentations involved. In addition, to date, there have been no large clinical trials examining ideal pharmacologic treatment options for spinal cord infarct. In our practice, we rely on hemodynamic augmentation initiated as soon as possible. Otherwise, treatment is usually geared towards the etiology of spinal cord ischemia. For instance, spinal cord ischemia occurring after aortic aneurysmal repair may improve with CSF drainage through a lumbar catheter in the periprocedural setting...
August 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28683904/surgery-for-diseases-of-the-aortic-root
#20
REVIEW
Robbin G Cohen, Ramsey S Elsayed, Michael E Bowdish
The aortic root is the junction between the heart and aorta, containing the aortic valve and the coronary artery ostia. Various pathologic conditions arise in this region requiring complex surgical correction. These include aneurysmal dilatation with and without aortic regurgitation, acute aortic dissection extending below the sinotubular junction, and infective endocarditis with valve and periannular destruction. Multiple strategies for correction of these complex surgical issues exist, with excellent early results and long-term survival...
August 2017: Cardiology Clinics
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