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Aortic arch branches

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https://www.readbyqxmd.com/read/29117252/preclinical-4d-flow-magnetic-resonance-phase-contrast-imaging-of-the-murine-aortic-arch
#1
Moritz Braig, Jochen Leupold, Marius Menza, Maximilian Russe, Cheng-Wen Ko, Juergen Hennig, Dominik von Elverfeldt
PURPOSE: Cardiovascular diseases remain the number one death cause worldwide. Preclinical 4D flow phase contrast magnetic resonance imaging can provide substantial insights in the analysis of aortic pathophysiologies in various animal models. These insights may allow a better understanding of pathophysiologies, therapy monitoring, and can possibly be translated to humans. This study provides a framework to acquire the velocity field within the aortic arch. It analyses important flow values at different locations within the aortic arch...
2017: PloS One
https://www.readbyqxmd.com/read/29096572/prenatal-cardiac-magnetic-resonance-imaging-of-right-aortic-arch-with-mirror-image-branching-and-retroesophageal-left-ductus-arteriosus
#2
Su-Zhen Dong, Ming Zhu
OBJECTIVE: To evaluate the utility of fetal cardiac magnetic resonance imaging (MRI) in diagnosing right aortic arch with mirror image branching and retroesophageal left ductus arteriosus (RLDA). METHODS: This retrospective study included six infants diagnosed with right aortic arch with mirror image branching and RLDA postnatally by cardiac computed tomography (CT) that had fetal echocardiography (echo) and MRI initially performed. The six fetal MR cases were examined using 1...
November 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29049546/a-unique-variation-with-five-branches-of-the-aortic-arch
#3
Zeliang Ma, Jing Han, Haozhong Li, Kaihua Guo
Here, we present a unique case with 5 branches of the aortic arch (AA), namely the right common carotid artery, left common carotid artery, left thyrocervical trunk, left subclavian artery and right subclavian artery (RSA), from right to left. We found that the left thyrocervical trunk originated directly from the AA rather than the left subclavian artery. In addition, the RSA arose dorsally as the last branch of the AA and passed posteriorly to the oesophagus to supply the right upper limb. In addition, the right vertebral artery originated from the right common carotid artery instead of the RSA...
August 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29034021/endovascular-repair-for-kommerell-s-diverticulum-and-right-sided-aortic-arch
#4
Kei Kazuno, Seiichiro Murata
A 74-year-old man with hoarseness was diagnosed with a right-sided aortic arch and Kommerell's diverticulum by computed tomography (CT). The diverticulum had a maximum diameter of 33 mm, and surgical intervention was chosen because of the possibility of rupture. A right common carotid to right subclavian artery bypass was constructed, stent-graft was placed after the branching of the right common carotid artery, and coil embolization of the diverticulum was performed via left brachial artery. No leaks were found on postoperative CT...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29026607/wheezing-and-dyspnoea-caused-by-aberrant-left-innominate-artery
#5
Masamichi Hayashi, Kazuyoshi Imaizumi, Hidekazu Hattori, Hiroshi Toyama, Mitsushi Okazawa
We present a rare case of a branching anomaly of the aortic arch that resulted in wheezing and dyspnoea. The patient was a 60-year-old male with severe wheezing from babyhood, originally diagnosed with severe bronchial asthma. On auscultation, the inspiratory and expiratory wheezes appeared when the patient leaned forward. He also had difficulty in swallowing solid mass. Tests for airway reversibility and hyperresponsiveness were negative, and asthma treatment was ineffective. He had a right aortic arch. A barium oesophagogram and endoscopic examination indicated narrowing of the oesophagus from behind...
November 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/29022854/single-center-mid-term-experience-with-chimney-graft-technique-for-the-preservation-of-flow-to-the-supra-aortic-branches
#6
Robert Shahverdyan, Spyridon Mylonas, Michael Gawenda, Jan Brunkwall
Objectives To investigate the feasibility and the mid-term outcomes of the chimney-graft technique for the revascularization of supra-aortic branches in patients with thoracic aortic pathologies involving the aortic arch. Methods A retrospective analysis of a prospectively maintained database between January 2010 and July 2016 was performed. Primary endpoints were 30-day and overall mortality. Secondary endpoints were technical success, target vessel patency, stroke/transitory ischemic attack and type I/III endoleak rate...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29016745/cxcl12-cxcr4-signalling-plays-an-essential-role-in-proper-patterning-of-aortic-arch-and-pulmonary-arteries
#7
Bo-Gyeong Kim, Yong Hwan Kim, Edward L Stanley, Eva M Garrido-Martin, Young Jae Lee, S Paul Oh
Aims: Chemokine CXCL12 (stromal derived factor 1: SDF1) has been shown to play important roles in various processes of cardiovascular development. In recent avian studies, CXCL12 signalling has been implicated in guidance of cardiac neural crest cells for their participation in the development of outflow tract and cardiac septum. The goal of this study is to investigate the extent to which CXCL12 signalling contribute to the development of aortic arch and pulmonary arteries in mammals...
November 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28974246/surgical-repair-and-reconstruction-of-aortic-arch-in-debakey-type-i-aortic-dissection-recent-advances-and-single-center-experience-in-the-application-of-branched-stent-graft
#8
Qian Zhang, Xiaochun Ma, Wenlong Zhang, Zhengjun Wang, Haizhou Zhang, Xiaofeng Zhang, Jian Song, Chengwei Zou
BACKGROUND: Aortic dissection (AD) represents a clinically uncommon aortic pathology which predicts a dismal prognosis if not promptly treated. In acute Debakey type I AD (ADIAD), aortic lesion extends from aortic root to even distal abdominal aorta among which aortic arch and its three main branches still remain a great surgical challenge for repair and reconstruction. Several decades have witnessed the painstaking efforts of cardiovascular surgeons across the globe for optimizing the surgical procedures, from total or hemi-arch replacement, "elephant trunk" technique to branched stent graft...
October 3, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28962503/hybrid-operation-versus-the-chimney-technique-for-reconstruction-of-a-single-aortic-arch-branch-a-single-centre-experience
#9
Yang Zhao, Jin Cui, Henghui Yin, Mian Wang, Zilun Li, Chen Yao, Guangqi Chang
OBJECTIVES: Both hybrid and chimney techniques are used for reconstruction of supra-arch branches during thoracic endovascular aorta repair (TEVAR). Our objective was to summarize our experience with reconstruction of the left common carotid artery (LCCA) or left subclavian artery (LSA) and evaluate the indications for these 2 strategies. METHODS: The records of patients treated with hybrid or chimney TEVAR when 1 aortic branch (LSA/LCCA) needed to be covered were reviewed retrospectively...
October 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28899499/mechanisms-underlying-antiatherosclerotic-properties-of-an-enriched-fraction-obtained-from-ilex-paraguariensis-a-st-hil
#10
Patrícia Gonçalves Santiago, Francielly Mourão Gasparotto, Karimi Sater Gebara, Flavia Barbieri Bacha, Francislaine Aparecida Dos Reis Lívero, Maria Angélica Strapazon, Euclides Lara Cardozo Junior, Cândida Aparecida Leite Kassuya, Lauro Mera de Souza, Arquimedes Gasparotto Junior
BACKGROUND: Ilex paraguariensis A. St. Hil. var. paraguariensis (Aquifoliaceae) popularly known as 'mate' is an important species native to South America. Despite numerous studies showing significant antioxidant and lipid lowering properties, the antiatherosclerotic mechanisms of this species remain unknown. PURPOSE: To evaluate the possible antiatherosclerotic effects of a butanolic fraction (n-BFIP) obtained from I. paraguariensis and to investigate the molecular mechanisms involved in this activity...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28887263/changes-in-geometry-and-cardiac-deformation-of-the-thoracic-aorta-after-thoracic-endovascular-aortic-repair
#11
Kelsey Hirotsu, Ga-Young Suh, Jason T Lee, Michael D Dake, Dominik Fleischmann, Christopher P Cheng
BACKGROUND: Thoracic endovascular aortic repair (TEVAR) has dramatically expanded treatment options for patients with thoracic aortic pathology. The interaction between endografts and the dynamic anatomy of the thoracic aorta is not well characterized for repetitive physiologic stressors and subsequent issues related to long-term durability. Through three-dimensional (3D) modeling we sought to quantify cardiac-induced aortic deformation before and after TEVAR to assess the impact of endografts on dynamic aortic anatomy...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28875363/implantation-of-unibody-single-branched-stent-graft-for-patients-with-type-b-aortic-dissections-involving-the-left-subclavian-artery-1-year-follow-up-outcomes
#12
He Huang, Yuanyong Jiao, Yepeng Zhang, Yuelin Zhu, Zhao Liu, Tong Qiao, Changjian Liu, Xiwei Zhang, Min Zhou
OBJECTIVE: To report the early results of castor device, a kind of unibody single-branched stent graft, in the treatment of type B aortic dissection (TBAD) involving the LSA. METHODS: From April 2013 to February 2014, 21 patients with TBADs underwent TEVAR with LSA revascularization by unibody single-branched stent grafts. Three patients with penetrating aortic ulcers in the aortic arch received additional reconstruction of left common carotid artery with chimney technique...
November 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28865978/a-systematic-review-and-meta-analysis-of-variations-in-branching-patterns-of-the-adult-aortic-arch
#13
Patrick Popieluszko, Brandon Michael Henry, Beatrice Sanna, Wan Chin Hsieh, Karolina Saganiak, Przemysław A Pękala, Jerzy A Walocha, Krzysztof A Tomaszewski
OBJECTIVE: The aortic arch (AA) is the main conduit of the left side of the heart, providing a blood supply to the head, neck, and upper limbs. As it travels through the thorax, the pattern in which it gives off the branches to supply these structures can vary. Variations of these branching patterns have been studied; however, a study providing a comprehensive incidence of these variations has not yet been conducted. The objective of this study was to perform a meta-analysis of all the studies that report prevalence data on AA variants and to provide incidence data on the most common variants...
August 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28843154/numerical-analysis-of-wall-shear-stress-in-ascending-aorta-before-tearing-in-type-a-aortic-dissection
#14
Qingzhuo Chi, Ying He, Yong Luan, Kairong Qin, Lizhong Mu
Although the incidence of many cardiovascular diseases has declined as medical treatments have improved, the prevalence of aortic dissection (AD) has increased. Compared to type B dissections, type A dissections are more severe, and most patients with type A dissections require surgical treatment. The objective of this study was to investigate the relationships between the wall shear stress (WSS) on the aortic endothelium and the frequent tearing positions using computational fluid dynamics. Five type A dissection cases and two normal aortas were included in the study...
August 1, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28811940/recurrent-wheezing-and-cough-caused-by-double-aortic-arch-not-asthma
#15
Qiao Zhang, Zhou Fu, Jihong Dai, Gang Geng, Wenlong Fu, Daiyin Tian
INTRODUCTION: Double aortic arch is a congenital vascular abnormality in which the connected segments and their branches course between and compress the trachea and esophagus, often resulting in invariable airway compression. CASE PRESENTATION: A 4-year-old boy with a history of recurrent wheezing was admitted to our hospital for evaluation of asthma based on his past medical history, persistent cough, wheezing, and airway hyperresponsiveness by lung function test...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28754428/mid-term-results-of-chimney-and-periscope-grafts-in-supra-aortic-branches-in-high-risk-patients
#16
F Pecoraro, M Lachat, N S Cayne, D Pakeliani, Z Rancic, G Puippe, F J Criado, T Pfammatter, F J Veith, B Krüger, T A Neff
PURPOSE: Report mid-term outcomes of thoracic endovascular aneurysm repair (TEVAR) with chimney and periscope grafts (CPG) in supra-aortic branches (SAB). METHODS: Retrospective analysis, from October 2009 to May 2014, of patients with aneurysms requiring TEVAR with zone 0/1/2 proximal landing in association with at least one CPG in the SAB. All patients were considered at high risk for conventional surgery. Peri-operative mortality and morbidity, retrograde type A dissection, maximum aortic transverse diameter (TD) and its post-operative evolution, endoleak, survival, freedom from cardiovascular re-interventions, and CPG freedom from occlusion during the follow-up were analysed...
July 25, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28748863/in-vitro-stent-graft-fenestration-to-preserve-all-supra-aortic-branches-in-the-treatment-of-a-stanford-type-a-aortic-arch-dissection
#17
Tun Wang, Chang Shu, Ming Li, Alan Dardik, Quan-Ming Li
No abstract text is available yet for this article.
August 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28747077/sandwich-technique-for-endovascular-repair-of-acute-type-a-aortic-dissection
#18
Feng Gao, Qian Zeng, Fangming Lin, Xiaohu Ge
OVERVIEW: To describe a new endovascular procedure for acute type A aortic dissection (TAAD) repair. METHODS: Between 2013 and 2016, 12 patients (average age 54±9.6 years; 10 men) with acute TAAD (mean EURO score 11.4%±3.2%, range 5-17) and unfit for surgery underwent thoracic endovascular aortic repair (TEVAR) with 2 periscope grafts to preserve blood supply to supra-aortic branches plus bypass grafting as needed. If the ascending aorta was dilated to >40 mm, sternotomy was performed to wrap the ascending aorta and reduce its diameter to accommodate the aortic stent-grafts...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28746880/tgf-%C3%AE-signaling-is-necessary-and-sufficient-for-pharyngeal-arch-artery-angioblast-formation
#19
Maryline Abrial, Noëlle Paffett-Lugassy, Spencer Jeffrey, Daniel Jordan, Evan O'Loughlin, Charles J Frederick, C Geoffrey Burns, Caroline E Burns
The pharyngeal arch arteries (PAAs) are transient embryonic blood vessels that mature into critical segments of the aortic arch and its branches. Although defects in PAA development cause life-threating congenital cardiovascular defects, the molecular mechanisms that orchestrate PAA morphogenesis remain unclear. Through small-molecule screening in zebrafish, we identified TGF-β signaling as indispensable for PAA development. Specifically, chemical inhibition of the TGF-β type I receptor ALK5 impairs PAA development because nkx2...
July 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28743203/biventricular-repair-in-interrupted-aortic-arch-type-c-with-aortic-atresia
#20
Dhananjay P Malankar, Andrew C Glatz, Paul M Weinberg, James W Gaynor
We report a case of interrupted aortic arch type C with aortic atresia and a ventricular septal defect with two well-developed ventricles, who underwent a successful single-stage biventricular repair with the modified Yasui procedure and arch reconstruction. Angiography done during conduit revision showed bilateral brachiocephalic trunks with high branching. The child is doing well six years after the initial operation.
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
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