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Ascending aortic aneurysm

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https://www.readbyqxmd.com/read/27909281/-transaortic-thoracic-endovascular-aortic-repair-via-right-anterior-mini-thoracotomy-report-of-a-case
#1
Keitaro Okamoto, Tomoyuki Wada, Hirofumi Anai, Satoshi Takebayashi, Takashi Shuto, Takayuki Kawashima, Kazuki Mori, Norio Hongo, Noritaka Kamei, Hiromu Mori, Shinji Miyamoto
An 81-year-old man presented with ruptured thoracic aortic aneurysm under stable condition. He had been suffering from chronic obstructive pulmonary disease, chronic renal failure and rheumatoid arthritis. We performed hybrid thoracic endovascular aortic repair via right anterior mini-thoracotomy inserting a device through a conduit on the ascending aorta. The patient was discharged without aorta-related complications.
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27908818/ascending-aorta-to-hepatic-and-mesenteric-artery-bypassing-in-patients-with-chronic-mesenteric-ischaemia-and-extensive-aortic-disease-a-case-report-and-review-of-the-literature
#2
James Barr, John Kokotsakis, Pantelis Tsipas, Prodromos Papapavlou, Konstantinos Velissarios, Theodoros Kratimenos, Thanos Athanasiou
Chronic mesenteric ischaemia (CMI) is a rare disorder caused by severe stenosis of the mesenteric arterial supply that results in post prandial pain and weight loss. Treatment options are surgical or endovascular. Surgical bypass can be performed in an antegrade fashion from the supracoeliac abdominal aorta or the distal descending thoracic aorta or in a retrograde fashion from the infra-renal aorta or the common iliac artery. However in some patients with disease of the descending thoracic aorta (DTA) or the abdominal aorta (AA) another site for the proximal anastomosis needs to be found...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890843/total-endovascular-aortic-repair-in-a-patient-with-marfan-syndrome
#3
Mau Amako, Rafaëlle Spear, Rachel E Clough, Adrien Hertault, Richard Azzaoui, Teresa Martin Gonzalez, Jonathan Sobocinski, Stéphan Haulon
OBJECTIVE: To describe a total endovascular aortic repair with branched and fenestrated endografts in a young patient with Marfan syndrome and a chronic aortic dissection. Open surgery is the gold standard to treat aortic dissections in patients with aortic disease and Marfan syndrome. METHODS: In 2000, a 38-year-old man with Marfan syndrome underwent open ascending aorta repair for an acute type A aortic dissection. One year later, a redo sternotomy was performed for aortic valve replacement...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27888778/loss-of-mechanical-directional-dependency-of-the-ascending-aorta-with-severe-medial-degeneration
#4
Jennifer Chung, Kevin Lachapelle, Raymond Cartier, Rosaire Mongrain, Richard L Leask
Biomechanical characterization of the aortic wall may help risk stratify patients with aneurysms. We investigated the degree of anisotropy, the directional dependency of mechanical properties, in control and aneurysmal ascending aortic tissue. We hypothesized that medial degeneration and aortic wall remodeling as found in aneurysmal tissue alter energy loss in both the circumferential and longitudinal directions, thereby reducing anisotropy. Aneurysmal and control ascending aortic tissue excised during surgery was subjected to biaxial tensile testing...
November 15, 2016: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/27879251/altered-smooth-muscle-cell-force-generation-as-a-driver-of-thoracic-aortic-aneurysms-and-dissections
#5
REVIEW
Dianna M Milewicz, Kathleen M Trybus, Dongchuan Guo, H Lee Sweeney, Ellen Regalado, Kristine Kamm, James T Stull
The importance of maintaining contractile function in aortic smooth muscle cells (SMCs) is evident by the fact that heterozygous mutations in the major structural proteins or kinases controlling contraction lead to the formation of aneurysms of the ascending thoracic aorta that predispose to life-threatening aortic dissections. Force generation by SMC requires ATP-dependent cyclic interactions between filaments composed of SMC-specific isoforms of α-actin (encoded by ACTA2) and myosin heavy chain (MYH11). ACTA2 and MYH11 mutations shown to disrupt this cyclic interaction predispose to thoracic aortic disease...
November 22, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27861233/aortic-volumetry-at-contrast-enhanced-magnetic-resonance-angiography-feasibility-as-a-sensitive-method-for-monitoring-bicuspid-aortic-valve-aortopathy
#6
Brian Trinh, Iram Dubin, Ozair Rahman, Marcos P Ferreira Botelho, Nicholas Naro, James C Carr, Jeremy D Collins, Alex J Barker
OBJECTIVES: Bicuspid aortic valve patients can develop thoracic aortic aneurysms and therefore require serial imaging to monitor aortic growth. This study investigates the reliability of contrast-enhanced magnetic resonance angiography (CEMRA) volumetry compared with 2-dimensional diameter measurements to identify thoracic aortic aneurysm growth. MATERIALS AND METHODS: A retrospective, institutional review board-approved, and Health Insurance Portability and Accountability Act-compliant study was conducted on 20 bicuspid aortic valve patients (45 ± 8...
November 17, 2016: Investigative Radiology
https://www.readbyqxmd.com/read/27847075/combined-nuss-procedure-and-cardiac-procedure-through-a-left-anterolateral-thoracotomy
#7
François Roubertie, Sowmya Ramanan, Frederic Lavrand, Jean-Benoit Thambo
Aortic root aneurysms associated with severe pectus excavatum caused by Marfan's syndrome can be challenging to correct in children. Recent reports suggest single-stage correction of both cardiac and chest wall deformities through a median sternotomy. We report a 9-year-old girl with Marfan's syndrome, an ascending aorta aneurysm, mitral regurgitation, and pectus excavatum, who underwent David's procedure with mitral valve repair and the Nuss procedure to correct the thoracic deformity. This single-stage combined procedure was performed through a left anterolateral thoracotomy...
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27836291/the-megaaortic-syndrome-progression-of-ascending-aortic-aneurysm-or-a-disease-of-distinct-origin
#8
Ulrike Baranyi, Christian Stern, Birgitta Winter, Adrian Türkcan, Bernhard Scharinger, Marie-Elisabeth Stelzmüller, Thomas Aschacher, Martin Andreas, Marek Ehrlich, Günther Laufer, David Bernhard, Barbara Messner
BACKGROUND: Thoracic aortic aneurysm (TAA) is an often asymptomatic disease with fatal outcome, such as dissection or rupture. The megaaortic syndrome (MAS) is an extensive dilatation of the whole aorta with low incidence but high lethal outcome with unknown pathophysiology so far. METHODS AND RESULTS: We compared aortic tissue of patients with sporadic TAAs and MAS of the ascending aorta with non-aneurysmal control tissues. Specimens of MAS patients showed a significantly reduced thickness of the media but an increased thickness of the intima compared to control tissue and TAAs with moderate dilatation...
October 29, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27833782/telescoping-technique-to-engage-left-main-coronary-artery-in-a-case-of-giant-aortic-aneurysm-in-a-geriatric-patient
#9
Priyank Shah, Rahul Vasudev, Mahesh Bikkina, Hartaj Virk
We present a case of a geriatric male with giant ascending aortic aneurysm (AAA) who underwent successful coronary angiography using telescoping technique for evaluation his coronary arteries before surgery for AAA. Since the ascending aorta and root were extremely dilated, we knew it would not have been possible to engage the coronaries using regular catheters and standard technique. Hence, telescopic technique was used. Amplatz left 3 (AL3) 7F (French) guide catheter (90 cm) was initially used, and nonselective injection of contrast was done to see the coronary ostium...
2016: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/27819806/pseudoaneurysm-as-a-late-complication-of-hybrid-aortic-arch-repair
#10
Cristian Rosu, Nicolas Beaulieu, Raymond Cartier, Philippe Demers
Hybrid aortic arch repair is increasingly used for the management of aortic arch aneurysm. Pseudoaneurysm is a newly described late complication of this procedure. A 57-year-old man underwent emergent supra-aortic debranching and aortic arch stent grafting after rupture of an arch aneurysm. Three years later, the patient presented with a pseudoaneurysm at the junction between the stent graft's proximal landing zone and the origin of the debranching graft. At reoperative repair, the proximal stent graft had eroded through the aortic wall at the junction of the endograft proximal landing zone and the proximal anastomosis of the debranching graft...
September 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27818955/rupture-of-an-ascending-aortic-aneurysm-as-a-cause-of-sudden-death
#11
Cristielle Peres de Freitas, Carla Andrade Petrini, Ramon Souza Goes Araújo, Luiz Guilherme Cernaglia Aureliano Lima, Patrícia Picciarelli de Lima, Amaro Nunes Duarte-Neto
An 84-year-old female patient was brought to the emergency department in cardiac arrest. Cardiopulmonary resuscitation maneuvers were performed but were unsuccessful. The patient had a past medical history of systemic arterial hypertension with target-organ lesions, including stroke and myocardial infarction. The autopsy was carried out, and the most striking finding was cardiac tamponade due to the rupture of an ascending aortic aneurysm at the site of a complex atheromatous plaque. Rupture is the most serious complication of a thoracic aneurysm and must be considered in the differential diagnosis of sudden death...
July 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/27804164/repair-of-ascending-aortic-aneurysms-following-cardiac-transplantation
#12
Shinichi Fukuhara, Elizabeth H Stephens, Jason P Glotzbach, Michael A Borger
Ascending aortic aneurysms arising from the native aorta following cardiac transplantation are rare. We report two patients who developed aneurysms of the native ascending aorta requiring surgical repair post-transplantation. Both patients underwent ascending and hemi-arch replacement and recovered uneventfully. Heart transplant patients with pre-existing aortic dilation/ectasia may display more rapid aneurysmal growth compared to non-transplant patients. Therefore close observation is warranted in these patients...
December 2016: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/27802285/mmp-2-isoforms-in-aortic-tissue-and-serum-of-patients-with-ascending-aortic-aneurysms-and-aortic-root-aneurysms
#13
Anke Tscheuschler, Philipp Meffert, Friedhelm Beyersdorf, Claudia Heilmann, Nadja Kocher, Xenia Uffelmann, Philipp Discher, Matthias Siepe, Fabian A Kari
OBJECTIVE: The need for biological markers of aortic wall stress and risk of rupture or dissection of ascending aortic aneurysms is obvious. To date, wall stress cannot be related to a certain biological marker. We analyzed aortic tissue and serum for the presence of different MMP-2 isoforms to find a connection between serum and tissue MMP-2 and to evaluate the potential of different MMP-2 isoforms as markers of high wall stress. METHODS: Serum and aortic tissue from n = 24 patients and serum from n = 19 healthy controls was analyzed by ELISA and gelatin zymography...
2016: PloS One
https://www.readbyqxmd.com/read/27793556/unilateral-antegrade-cerebral-perfusion-and-moderate-hypothermia-assessing-safety-with-novel-biomarkers
#14
Bahadır Aytekin, Ertekin Utku Ünal, Aslı Demir, Uğur Aksu, Aytaç Çalışkan, Kübra Vardar, Fevzi Toraman, Ahmet Sarıtaş
BACKGROUND: Antegrade cerebral perfusion in aortic surgery is a well-established brain protection method. Open distal anastomosis during aortic surgery has some well-known advantages. Antegrade cerebral perfusion allows repair to some extent of the aortic arch, even in isolated ascending aortic aneurysm. The present study aims to investigate the adequacy of contralateral perfusion with novel oxidative stress parameters during unilateral antegrade cerebral perfusion. METHOD: The study included 30 consecutive patients undergoing thoracic aortic surgery with unilateral antegrade cerebral perfusion (uACP) under moderate hypothermia (28° C)...
September 13, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/27779199/mesenchymal-state-of-intimal-cells-may-explain-higher-propensity-to-ascending-aortic-aneurysm-in-bicuspid-aortic-valves
#15
Shohreh Maleki, Sanela Kjellqvist, Valentina Paloschi, Joelle Magné, Rui Miguel Mamede Branca, Lei Du, Kjell Hultenby, Johan Petrini, Jonas Fuxe, Janne Lehtiö, Anders Franco-Cereceda, Per Eriksson, Hanna M Björck
Individuals with a bicuspid aortic valve (BAV) are at significantly higher risk of developing aortic complications than individuals with tricuspid aortic valves (TAV) and defective signaling during the embryonic development and/or life time exposure to abnormal hemodynamic have been proposed as underlying factors. However, an explanation for the molecular mechanisms of aortopathy in BAV has not yet been provided. We combined proteomics, RNA analyses, immunohistochemistry, and electron microscopy to identify molecular differences in samples of non-dilated ascending aortas from BAV (N = 62) and TAV (N = 54) patients...
October 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27777861/syphilitic-aortic-aneurysm-with-a-pulmonary-lesion-a-case-report-and-literature-view
#16
Wei Li, Xiu-Jun Yin, Hua-Ying Liu, Rong Yang
INTRODUCTION: Syphilitic aortic aneurysm (SAA) is caused by tertiary stage of syphilis infection. As the wide application of penicillin, this complication is becoming rarer than before. The SAA with lung cancer is a very rare disease in patient. CASE DESCRIPTION: A 55-year-old male was admitted to the hospital complaining "progressive hoarseness for 3 months" and the patient has been diagnosed with syphilis after specific blood exams, computed tomography angiography (CTA) and 3dimensional (3D) reconstructions of cardiac vessels...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27777529/repair-of-multiple-subclavian-and-axillary-artery-aneurysms-in-a-58-year-old-man-with-marfan-syndrome
#17
Ahmet Dolapoglu, Kim I de la Cruz, Ourania Preventza, Joseph S Coselli
Dilation of the ascending aorta and aortic dissections are often seen in Marfan syndrome; however, true aneurysms of the subclavian and axillary arteries rarely seem to develop in patients who have this disease. We present the case of a 58-year-old man with Marfan syndrome who had undergone a Bentall procedure and thoracoabdominal aortic repair for an aortic dissection and who later developed multiple aneurysmal dilations of his right subclavian and axillary arteries. The aneurysms were successfully repaired by means of a surgical bypass technique in which a Dacron graft was placed between the carotid and brachial arteries...
October 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/27777368/mycotic-aneurysm-of-the-ascending-aorta-in-a-child-with-bicuspid-aortic-valve
#18
Shotaro Higa, Tai Fuchigami, Nobuhiro Nagata
No abstract text is available yet for this article.
October 24, 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27765875/hemiarch-the-real-operation-for-ascending-aortic-aneurysm
#19
Ramesh Singh, Katsuhiro Yamanaka, T Brett Reece
The extent and technique of resection for ascending aortopathies remains debated. The 2 main camps are divided into those who believe in the hemiarch resection utilizing hypothermic circulatory arrest and those who feel that the same goal can be accomplished with just an ascending aortic resection with an aortic cross clamp. While this debate continues to happen within groups and in some cases even in the same hospital, it certainly has not happened in the literature. There are no studies directly comparing the safety and efficacy of these 2 ideologies...
October 19, 2016: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27760812/analysis-of-risk-factors-for-early-type-i-endoleaks-after-thoracic-endovascular-aneurysm-repair
#20
Yuji Kanaoka, Takao Ohki, Koji Maeda, Takeshi Baba
PURPOSE: To evaluate risk factors for early (<30 days) type I endoleak following thoracic endovascular aortic repair (TEVAR). METHODS: A retrospective study was conducted of 439 consecutive patients (mean age 74.0±10.0 years; 333 men) who underwent TEVAR at a single center between June 2006 and June 2013. Pathologies included 237 aortic arch aneurysms and 202 descending thoracic aortic aneurysms (dTAA). Maximum TAA diameter was 63.6±13.7 mm. Among the distal aortic arch aneurysms, 124 required coverage of the left subclavian artery (LSA), while the remaining 113 arch aneurysms had debranching (n=40), the chimney technique (n=52), and a branched stent-graft (n=13)...
October 19, 2016: Journal of Endovascular Therapy
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