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https://www.readbyqxmd.com/read/28432073/in-situ-laser-fenestration-is-a-feasible-method-for-revascularization-of-aortic-arch-during-thoracic-endovascular-aortic-repair
#1
Jinbao Qin, Zhen Zhao, Ruihua Wang, Kaichuang Ye, Weimin Li, Xiaobing Liu, Guang Liu, Chaoyi Cui, Huihua Shi, Zhiyou Peng, Fukang Yuan, Xinrui Yang, Min Lu, Xintian Huang, Mier Jiang, Xin Wang, Minyi Yin, Xinwu Lu
BACKGROUND: Reconstruction of the aortic major branches during thoracic endovascular aortic repair is complicated because of the complex anatomic configuration and variation of the aortic arch. In situ laser fenestration has shown great potential for the revascularization of aortic branches. This study aims to evaluate the feasibility, effectiveness, and safety of in situ laser fenestration on the three branches of the aortic arch during thoracic endovascular aortic repair. METHODS AND RESULTS: Before clinical application, the polytetrafluoroethylene and Dacron grafts were fenestrated by an 810-nm laser system ex vivo, which did not damage the bare metal portion of the endografts and created a clean fenestration while maintaining the integrity of the endografts...
April 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28387611/thoracic-endovascular-aortic-repair-with-single-double-chimney-technique-for-aortic-arch-pathologies
#2
Tun Wang, Chang Shu, Ming Li, Quan-Ming Li, Xin Li, Jian Qiu, Kun Fang, Alan Dardik, Chen-Zi Yang
PURPOSE: To summarize a single-center experience using the single/double chimney technique in association with thoracic endovascular aortic repairs (TEVAR) for aortic arch pathologies. METHODS: From November 2007 to March 2016, 122 patients (mean age 50.4±12.7 years, range 29-80; 92 men) with aortic arch pathologies underwent TEVAR combined with single (n=101) or double (n=21) chimney grafts to reconstruct the supra-aortic branches: 21 innominate arteries, 114 left common carotid arteries, and 8 left subclavian arteries (LSA)...
March 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28359507/a-novel-arterial-cannulation-technique-for-selective-regional-cerebral-perfusion
#3
Hyungtae Kim, Si Chan Sung, Kwang Ho Choi
A selective regional cerebral perfusion has been widely adopted for brain protection in neonatal or infant aortic arch surgeries. The anastomosis of the small polytetrafluoroethylene tube graft to the innominate artery has been used for the selective regional cerebral perfusion in many institutions. We have developed a specially designed cannula tip that allows bidirectional blood flow and provides secure positioning of the polytetrafluoroethylene tube graft at the innominate artery. Innominate artery cannulation using this device reduces arterial clamping time and permits us to perform the arterial cannulation in a much easier and secure manner...
April 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28345111/prenatal-ultrasonic-diagnosis-and-differential-diagnosis-of-isolated-right-aortic-arch-with-mirror-image-branching
#4
Junxue Gao, Jiaan Zhu, Qiuyan Pei, Jianguo Li
PURPOSE: This study sought to evaluate the fetal echocardiography features of isolated right aortic arch (RAA) with mirror-image branching and to improve the rate and accuracy of prenatal diagnosis of this condition. METHODS: We reviewed fetal echocardiograms from all cases of isolated RAA with mirror-image branching diagnosed at our institution between August 2012 and December 2015 and classified these cases into normal and abnormal types of ductus arteriosus based on the course of the arterial duct arch...
March 27, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28294330/triple-branched-stent-graft-for-arch-repair-in-a-pregnant-woman-with-acute-debakey-type-i-aortic-dissection
#5
Qian Zhang, Xiaochun Ma, Zhengjun Wang, Chengwei Zou
No abstract text is available yet for this article.
March 12, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28242400/endovascular-management-of-a-ruptured-aortic-arch-pseudoaneurysm-using-the-snorkel-technique-and-coil-embolization
#6
Tao Ma, Zhi-Hui Dong, Wei-Guo Fu, Bin Chen, Jun Hao Jiang, Yun Shi
We report a reoperation case of a ruptured infectious aortic arch pseudoaneurysm, which was stabilized with thoracic endovascular aortic repair (TEVAR) and snorkel bypass of the innominate artery (IA) and the left common carotid artery (LCCA). A 57-year old Chinese woman with multiple comorbidities and previous open repair for Stanford type A aortic dissection 5 years ago presented with a ruptured 10.7cm×7.3cm aortic arch pseudoaneurysm involving the origins of the LCCA and the left subclavian artery. The patient underwent emergent endovascular aortic repair with placement of a stent-grafts in both IA and LCA coursing parallel to the aortic arch endograft...
February 24, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28223258/the-neurologic-protection-of-unilateral-versus-bilateral-antegrade-cerebral-perfusion-in-aortic-arch-surgery-with-deep-hypothermic-circulatory-arrest-a-study-of-77-cases
#7
Bowen Li, Xiaoping Hu, Zhiwei Wang
BACKGROUD: Unilateral and bilateral antegrade cerebral perfusions (ACP) are recognized methods of cerebral protection in aortic arch surgery. However, the adequacy of cerebral protection in aortic arch surgery with deep hypothermic circulatory arrest is controversial. In this study, we compared unilateral and bilateral ACP of cerebral protection in aortic arch surgery by assessing the patient's intraoperative and postoperative brain function. METHODS: A total of 77 patients undergoing aortic arch surgery were included in this study...
April 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28216358/outcomes-of-thoracic-endovascular-aortic-repair-using-aortic-arch-chimney-stents-in-high-risk-patients
#8
Igor Voskresensky, Salvatore T Scali, Robert J Feezor, Javairiah Fatima, Kristina A Giles, Rosamaria Tricarico, Scott A Berceli, Adam W Beck
BACKGROUND: Aortic arch disease is a challenging clinical problem, especially in high-risk patients, in whom open repair can have morbidity and mortality rates of 30% to 40% and 2% to 20%, respectively. Aortic arch chimney (AAC) stents used during thoracic endovascular aortic repair (TEVAR) are a less invasive treatment strategy than open repair, but the current literature is inconclusive about the role of this technology. The focus of this analysis is on our experience with TEVAR and AAC stents...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28105641/innominate-artery-cannulation-for-arterial-perfusion-during-aortic-arch-surgery
#9
Gaku Uchino, Keiji Yunoki, Naoya Sakoda, Munehiro Saiki, Kunikazu Hisamochi, Hideo Yoshida
OBJECTIVE: Antegrade cerebral perfusion during aortic arch surgery plays an important role in improving postoperative neurological outcomes. We report our experience using innominate artery cannulation for arterial perfusion during aortic arch surgery. METHODS: From January 2008 to December 2015, 159 patients underwent aortic arch surgery using innominate artery perfusion and were included in the study analysis (mean age, 71.4 ± 9.1 years; male, 120). RESULTS: Total arch replacement was performed in 84...
January 20, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28097517/in-utero-exposure-of-hyperlipidemic-mice-to-diesel-exhaust-lack-of-effects-on-atherosclerosis-in-adult-offspring-fed-a-regular-chow-diet
#10
Jenna Harrigan, Divya Ravi, Jerry Ricks, Michael E Rosenfeld
Uterine stress is associated with an increased risk of later life metabolic diseases. In this study, we investigated the effect of diesel exhaust (DE) exposure in utero on adult susceptibility to atherosclerosis in genetically hyperlipidemic mice. Pregnant apolipoprotein E-deficient mice received either DE exposure (~250-300 μg/m(3) PM2.5 for 6 h/day, 5 days/week) or filtered air (FA) throughout gestation. Treatment effects on litter size and gender distribution were recorded. Plasma cholesterol and triglycerides were measured at 8, 12 and 16 weeks of age...
January 17, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28057413/upper-extremity-blood-pressure-difference-in-patients-undergoing-carotid-revascularisation
#11
A Huibers, J Hendrikse, M M Brown, S A Pegge, M Arnold, F L Moll, L J Kapelle, G J de Borst
INTRODUCTION: Blood pressure (BP) regulation is important in patients with carotid artery atherosclerotic disease. Concomitant subclavian artery stenosis (SAS) might lead to an underestimation of the true systemic BP in the monitoring of these patients. This study aimed to assess the prevalence of the inter-arm BP difference in patients undergoing carotid intervention and its association with ipsilateral significant subclavian stenosis and clinical outcome. METHODS: Bilateral BP measurements and vascular imaging (CTA and MRA) of both subclavian arteries and the innominate artery were assessed in 182 symptomatic patients with carotid artery stenosis undergoing revascularisation in the International Carotid Stenting Study (ICSS)...
February 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28049221/no-clamp-complete-parachute-technique-for-ascending-aorta-anastomosis-in-hybrid-aortic-arch-debranching-surgery
#12
I-Ming Chen, Po-Lin Chen, Hsiao-Huang Chang
The proper proximal landing zone is a key element for success of endografting in thoracic aortic pathology. If coverage of innominate artery is unavoidable for safe proximal landing, arch debranching surgery is necessary to recruit supra-aortic blood flow before endografting. However, calcified or adhesive ascending aorta makes it difficult to clamp ascending aorta for anastomosis in the first step of arch debranching surgery. We present a novel "no clamp complete parachute technique" to complete this challenging anastomosis...
January 3, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28033184/effect-of-outflow-graft-size-on-flow-in-the-aortic-arch-and-cerebral-blood-flow-in-continuous-flow-pumps-possible-relevance-to-strokes
#13
Sindhoor Bhat, Jayakala Mathew, Komrakshi R Balakrishnan, Ramarathnam Krishna Kumar
One of the most devastating complications of continuous flow left ventricular devices (CFLVADS) is stroke, with a higher incidence in HeartWare Ventricular Assist Device (HVAD) as compared with HEARTMATE II. The reason for the observed difference in stroke rates is unclear. Because outflow graft diameters are different, we hypothesized that this could contribute to the difference in stroke rates. A computational fluid-structure interaction model was created from the computed tomography (CT) scan of a patient...
March 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27900766/contemporary-management-of-carotid-blowout-syndrome-utilizing-endovascular-techniques
#14
Nauman F Manzoor, Rod P Rezaee, Abhishek Ray, Cameron C Wick, Kristine Blackham, David Stepnick, Pierre Lavertu, Chad A Zender
OBJECTIVES/HYPOTHESIS: To illustrate complex interdisciplinary decision making and the utility of modern endovascular techniques in the management of patients with carotid blowout syndrome (CBS). STUDY DESIGNS: Retrospective chart review. METHODS: Patients treated with endovascular strategies and/or surgical modalities were included. Control of hemorrhage, neurological, and survival outcomes were studied. RESULTS: Between 2004 and 2014, 33 patients had 38 hemorrhagic events related to head and neck cancer that were managed with endovascular means...
February 2017: Laryngoscope
https://www.readbyqxmd.com/read/27895457/tracheo-innominate-artery-fistula-surgical-primary-closure-of-the-artery-defect-a-successful-treatment-of-a-potential-catastrophe
#15
F Caushi, A Xhumari, P Gjergo
No abstract text is available yet for this article.
January 2016: Hippokratia
https://www.readbyqxmd.com/read/27891422/panvascular-disease-in-familial-hypercholesterolaemia-treated-with-endovascular-simultaneous-bilateral-carotid-stenting
#16
Anand Alurkar, Lakshmi Sudha Prasanna Karanam, Shripal Shah, Pandurang Mare
Familial Hypercholesterolaemia (FH) is a monogenic autosomal dominant disorder affecting 1 in 500 individuals. We report a case of 32-year-old female with FH, previously not on any treatment, who presented with recurrent bilateral Middle Cerebral Artery (MCA) territory strokes and dyspnoea on exertion due to severe panvascualar disease involving descending aorta, innominate, subclavian, common carotid, internal carotid and coronary vessels. Her complete clinical work up was done and was started on lipid lowering drug treatment and low calorie diet...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27881689/acute-type-a-aortic-dissection-treated-using-a-tubular-stent-graft-in-the-ascending-aorta-and-a-multibranched-stent-graft-in-the-aortic-arch
#17
Tilo Kölbel, Christian Detter, Sebastian W Carpenter, Fiona Rohlffs, Yskert von Kodolitsch, Sabine Wipper, Herrmann Reichenspurner, E Sebastian Debus, Nikolaos Tsilimparis
PURPOSE: To describe the combined use of a tubular stent-graft for the ascending aorta and an inner-branched arch stent-graft for patients with acute type A aortic dissection. TECHNIQUE: The technique to deploy these modular, custom-made stent-grafts is demonstrated in 2 patients with acute DeBakey type I aortic dissections and significant comorbidities precluding open surgery. Both emergent procedures were made possible by the availability of suitable devices manufactured for elective repair in other patients...
February 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27866675/hemodynamics-of-patient-specific-aorta-pulmonary-shunt-configurations
#18
Senol Piskin, H Firat Altin, Okan Yildiz, Ihsan Bakir, Kerem Pekkan
Optimal hemodynamics in aorta-pulmonary shunt reconstruction is essential for improved post-operative recovery of the newborn congenital heart disease patient. However, prior to in vivo execution, the prediction of post-operative hemodynamics is extremely challenging due to the interplay of multiple confounding physiological factors. It is hypothesized that the post-operative performance of the surgical shunt can be predicted through computational blood flow simulations that consider patient size, shunt configuration, cardiac output and the complex three-dimensional disease anatomy...
January 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27866536/-in-vivo-and-in-vitro-experimental-studies-of-remote-digital-control-endovascular-robotic-system-in-interventional-angiography
#19
J Y Tan, L Q Jia, W H Shi, Z Y Tian, J D Tong, Y Deng, B Yu
Objective: To investigate the feasibility of the remote control endovascular robotic system in interventional angiography. Method: The endovascular robotic system Heifetz™ and the matched steerable catheter Mirage™ were used to cannulate all the target vessels in the vascular model and cerebral arteries originated from the aorta of Bama mini-pigs under fluoroscopic guidance. The technical success rate, cannulation time and exposure dose were all collected and compared with the result of using conventional techniques...
November 15, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27827564/endovascular-treatment-of-brachiocephalic-artery-war-related-injury
#20
Camille Choufani, Olivier Aoun, Amélie Mlynski, Guillaume Boddaert, Xavier de Kerangal, Charles Pierret
INTRODUCTION: Injuries to the innominate artery are rare, but potentially fatal. Early diagnosis and treatment may avoid life-threatening complications. Endovascular surgery often has lower morbidity and mortality rates than conventional surgery. CLINICAL CASE: We reported the case of a 28-year-old Yemenite soldier who presented with a shrapnel-related chest puncture wound following a shell explosion in Djibouti causing a 5 mm pseudoaneurysm of the innominate artery without associated complications...
November 9, 2016: Acta Chirurgica Belgica
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