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Aortic arch

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https://www.readbyqxmd.com/read/28550710/type-1-diabetes-increases-retention-of-low-density-lipoprotein-in-the-atherosclerosis-prone-area-of-the-murine-aorta
#1
Mette K Hagensen, Martin Bødtker Mortensen, Mads Kjolby, Ninna L Stillits, Lasse B Steffensen, Jacob F Bentzon
BACKGROUND AND AIMS: Individuals with type 1 diabetes mellitus are at high risk of developing atherosclerotic cardiovascular disease, but the underlying mechanisms by which type 1 diabetes accelerates atherosclerosis remain unknown. Increased retention of low-density lipoprotein (LDL) in atherosclerosis-prone sites of the diabetic vascular wall has been suggested, but direct evidence is lacking. In the present study, we investigated whether retention of LDL is increased in atherosclerotic-prone areas using a murine model of type 1 diabetes...
May 18, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28548474/aortic-aneurysm-endovascular-treatment-with-the-parallel-graft-technique-from-the-aortic-arch-to-the-iliac-axis
#2
Gian F Fadda, Mario Marino, Holta Kasemi, Costantino L DI Angelo, Carlo P Dionisi, Valeria Cammalleri, Carlo Setacci
BACKGROUND: The chimney technique has been developed for the treatment of complex aortic aneurysms. We analyzed the midterm to long-term outcomes of this approach from a single- centre experience. METHODS: From October 2008 to July 2016, 58 patients underwent endovascular aortic aneurysm repair using the chimney technique. Indications for treatment were thoracic aortic aneurysm (TAA) (n = 11), thoracoabdominal aortic aneurysm (TAAA) (n = 2), pararenal aortic aneurysm (PAAA) (n= 15), aortoiliac/isolated hypogastric artery aneurysm (n = 25), type I endoleak after previous TEVAR/EVAR (n=4), proximal pseudoaneurysm after AAA open repair (n = 1)...
May 26, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28547914/the-branching-pattern-of-the-brachiocephalic-trunk-in-the-donkey-equus-asinus
#3
G Akbari, B Asadiahranjani, N Goodarzi, S Shokrollahi
Donkeys are a member of the horse family (Equidae) and share a common ancestor. However, in morphological terms, donkeys and horses are regarded as two separate subgenus. Given variations in the branching pattern of the brachiocephalic trunk (BCT) in different species of animals and the use of donkeys in anatomy courses at colleges of veterinary medicine, we conducted this study in order to investigate the branching patterns of BCT and to describe detailed morphological information regarding donkeys. Seventeen mature donkeys were examined following euthanasia by exsanguination from the common carotid artery under general anaesthesia...
May 26, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28547783/aortic-arch-origin-of-the-left-vertebral-artery-an-anatomical-and-radiological-study-with-significance-for-avoiding-complications-with-anterior-approaches-to-the-cervical-spine
#4
Gabrielle G Tardieu, Bryan Edwards, Fernando Alonso, Koichi Watanabe, Tsuyoshi Saga, Moriyoshi Nakamura, Mayuko Motomura, Raghu Sampath, Joe Iwanaga, Oded Goren, Stephen Monteith, Rod J Oskouian, Marios Loukas, R Shane Tubbs
INTRODUCTION: Complications from anterior approaches to the cervical spine are uncommon with normal anatomy. However, variant anatomy might predispose one to an increased incidence of injury during such procedures. We hypothesized that left vertebral arteries that arise from the aortic arch instead of the subclavian artery might take a more medial path in their ascent making them more susceptible to iatrogenic injury. MATERIALS AND METHODS: Fifty human adult cadavers were examined for left vertebral arteries having an aortic arch origin and these were dissected along their entire cervical course...
May 25, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28546044/endovascular-repair-of-thoraco-abdominal-and-arch-aneurysms-in-patients-with-connective-tissue-disease-using-branched-and-fenestrated-devices
#5
Rachel E Clough, Teresa Martin-Gonzalez, Katrien Van Calster, Adrien Hertault, Rafaëlle Spear, Richard Azzaoui, Jonathan Sobocinski, Stéphan Haulon
INTRODUCTION: Prophylactic open surgery is the standard practice in patients with connective tissue and thoraco-abdominal (TAAA) and aortic arch disease. Branched and fenestrated devices offer a less invasive alternative but there are concerns regarding the durability of the repair and the effect of the stent graft on the fragile aortic wall. The aim of this study was to evaluate mid-term outcomes of fenestrated and/or branched endografting in patients with connective tissue disease. METHODS: All patients with connective tissue disease that underwent TAAA or arch aneurysm repair using a fenestrated and/or branched endograft in a single high volume centre between 2004 and 2015 were included...
May 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28544831/aortic-root-surgery-in-marfan-syndrome-medium-term-outcome-in-a-single-center-experience
#6
Christine H Attenhofer Jost, Heidi M Connolly, Christopher G Scott, Naser M Ammash, Juan M Bowen, Hartzell V Schaff
BACKGROUND: The study aim was to analyze the authors' experience with aortic root surgery in Marfan syndrome (MFS), and to expand the surgical outcome data of patients meeting the Ghent criteria (Marfan registry). METHODS: Analyses were performed of data acquired from MFS patients (who met the Ghent criteria), including an aortic root surgery and Kaplan-Meier survival. RESULTS: Between April 2004 and February 2012, a total of 59 MFS patients (mean age at surgery 36 ± 13 years) underwent 67 operations for aortic root aneurysm (n = 52), aortic valve (AV) regurgitation (n = 15), acute aortic dissection (n = 2), and/or mitral valve (MV) regurgitation resulting from MV prolapse (n = 7)...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28541520/cardiovascular-surgery-in-loeys-dietz-syndrome-types-1-4
#7
Kirsten Krohg-Sørensen, Per Snorre Lingaas, Runar Lundblad, Egil Seem, Benedicte Paus, Odd R Geiran
OBJECTIVES: The first publication of Loeys-Dietz syndrome (LDS) described aortic rupture at young ages. Experience with new LDS types showed that the clinical course varies, and thresholds for prophylactic surgery are discussed. As this is an uncommon disease, experience needs to be shared. METHODS: Retrospective review of patients with LDS types 1-4 undergoing cardiovascular surgery during the years 1991-2016. RESULTS: Thirty-five patients (including 6 children with LDS2) underwent 57 operations...
May 24, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28540313/central-vascular-complications-following-elective-catheterization-using-transradial-percutaneous-coronary-intervention
#8
Julia Merkle, Christopher Hohmann, Anton Sabashnikov, Thorsten Wahlers, Jens Wippermann
Percutaneous coronary intervention is commonly used to treat coronary artery disease. Both transradial and transfemoral approaches are applied. In general, fewer complications are seen with the transradial approach compared to the transfemoral access, for which reason the transradial catheterization is frequently preferred. In this case presentation, we describe 2 cases of elective transradial coronary angiography both resulting in severe central vascular complications: perforation of the right subclavian artery with a mediastinal hematoma and dissection of the brachio-cephalic trunk and the aortic arch...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28539129/double-aortic-arch-presenting-with-a-foreign-object-in-the-oesophagus-a-case-report-and-imaging-diagnosis
#9
Xiuzhen Yang, Jingjing Ye, Zhan Gao
In this article, we report a rare case of double aortic arch. The case presented initially with a foreign object in the oesophagus. The patient was a 2-year-old boy, who was referred with primary symptoms of tussis (15 days) and emesis (2 days). He had a history of ingesting a coin. Routine chest X-ray indicated a rounded, metal foreign object in the upper oesophagus. A half-Yuan coin was removed by gastroduodenoscopy. Echocardiographic imaging suggested that the patient had double aortic arch, which was subsequently diagnosed by CT angiography with three-dimensional reconstruction...
May 25, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28535731/transcervical-carotid-stent-placement-in-the-setting-of-a-hostile-neck-and-a-type-iii-aortic-arch
#10
Lauren A Huntress, Naiem Nassiri, Randy Shafritz, Saum A Rahimi
Previous radical neck dissection and neck irradiation pose considerable operative risks in patients requiring carotid endarterectomy for symptomatic carotid disease. Carotid stenting is an acceptable alternative for these patients but carries a higher risk of cerebrovascular accidents especially in patients with type III aortic arch anatomy. Herein, we present a technically challenging case of a patient with an irradiated neck and a history of radical neck dissection who presented with a symptomatic high-grade left internal carotid artery stenosis in the setting of a type III aortic arch...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28535430/dilated-azygos-arch-mimicking-an-aortic-arch-anomaly-during-thoracic-surgery
#11
Ingrid Anne Mandy Schierz, Ettore Piro, Mario Giuffrè, Giuseppa Pinello, Giovanni Corsello
Cardiovascular malformations are frequently associated in patients with esophageal atresia (EA). We observed azygos continuation mimicking an aortic arch anomaly in four newborns with type III EA. They presented concomitant rib anomalies indicating a common developmental defect. Foreknowledge is important for planning thoracotomy or interventional cardiac catheterization in this population.
May 20, 2017: Early Human Development
https://www.readbyqxmd.com/read/28530132/development-of-a-high-fidelity-pressurized-porcine-beating-heart-simulator-for-cardiac-surgery-training
#12
Igo B Ribeiro, Janet M C Ngu, Gurinder Gill, Fraser D Rubens
BACKGROUND: Development of a high-fidelity cardiac surgery simulator (CSS) requires integration of a heart model with a mock cardiopulmonary bypass (CPB) circuit that can provide feedback to mimic the pathophysiology of cardiac surgery. However, the cost of commercially available simulators precludes regular use. We describe steps in the construction of a high-fidelity CSS that integrates a pulsatile paracorporeal ventricular-assist device (Pulse-VAD) and a commercially available CPB simulator...
May 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28528693/a-rare-case-of-aortic-arch-dysplasia-in-a-50-year-old-woman
#13
Jianlong Yan, Wenming Shao, Aidong Zhang
No abstract text is available yet for this article.
May 10, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28528071/a-new-technique-for-graft-to-graft-anastomosis-to-reconstruct-the-aortic-arch
#14
Bashi V Velayudhan, A Mohammed Idhrees
When the ascending aorta and aortic arch must be replaced with a vascular graft, two separate grafts are often required to reconstruct a more anatomically configured aorta. We describe a method of graft tailoring that will result in a more natural shape of the neoaorta, avoiding kinking at the junction of the ascending aorta and the aortic arch.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28528050/novel-surgical-management-of%C3%A2-giant-aortic-arch-pseudoaneurysm
#15
Salah E Altarabsheh, Salil V Deo, Sakher M Alma'ayeh, Muhannad Jalookh, Ashraf O Alshabatat, Yagthan M Obeidat, Abeer Rababa'h, Fuad M Al-Azzam, Ashraf Fadel
Pseudoaneurysm of the aortic arch is a rare entity, usually seen after cardiac operations or chest trauma. Here we report a 32-year-old man who presented 10 years after blunt chest trauma with a giant aortic arch pseudoaneurysm. He finally underwent surgical intervention in which the pseudoaneurysm was closed from inside with use of an inlay patch method.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28528045/endovascular-fenestration-for-distal-aortic-sealing-after-frozen-elephant-trunk-with-thoraflex
#16
Randolph H L Wong, Peter S Y Yu, Micky W T Kwok, Simon C Y Chow, Jacky Y K Ho, Malcolm J Underwood, Simon C H Yu
We describe a case of total arch replacement with frozen elephant trunk for chronic type B aortic dissecting aneurysm, which resulted in inadvertent landing of the frozen elephant trunk into the false lumen. A radiofrequency puncture system-assisted controlled endovascular fenestration of the dissection flap was performed at the upper abdominal aorta and subsequent thoracic endovascular stenting, successfully redirecting the blood flow from the false to the true lumen. Our case illustrated a possible way to seal distal reentry in chronic type B aortic dissection...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28527933/silent-balanced-double-aortic-arch-with-descending-thoracic-aneurysm-in-an-elderly-patient
#17
Yasunori Iida, Tsutomu Ito, Takahiko Misumi, Hideyuki Shimizu
No abstract text is available yet for this article.
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28525608/surgical-resection-for-advanced-lung-cancer-using-the-hemi-clamshell-approach
#18
Yasushi Shintani, Ryu Kanzaki, Tomohiro Kawamura, Soichiro Funaki, Masato Minami, Meinoshin Okumura, Eiji Okura, Yoshihisa Kadota, Mitsunori Ohta
OBJECTIVES: The hemi-clamshell (HCS) approach consists of partial sternotomy with antero-lateral thoracotomy. This study evaluated the utilities and outcomes of the HCS approach in advanced lung cancer patients. METHODS: We retrospectively investigated 45 patients who underwent surgery for advanced lung cancer via the HCS procedure between 2000 and 2014, the indications for surgery being tumour invasion extending to the aorta arch in 5, descending aorta in 9, main pulmonary artery in 5, superior vena cava in 6, right or left atrium in 4, apical thoracic dome in 7 patients and mediastinal lymphadenopathy for left-sided lung cancer in 12...
May 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28525553/evaluation-of-conventional-and-frozen-elephant-trunk-techniques-on-spinal-cord-blood-flow-in-an-animal-model%C3%A2
#19
Sergey Leontyev, Maja-Theresa Dieterlen, Michelle Halling, Franziska Schlegel, Alexandro Hoyer, Susann Ossmann, Kerstin Klaeske, Christian D Etz, Friedrich W Mohr
OBJECTIVES: The treatment of patients with extensive thoracic aortic disease involving the arch and descending aorta is often performed using the frozen elephant trunk technique (FET). Spinal cord blood flow (SCBF) in cervical, thoracic and lumbar sections prior, during and after aortic arch surgery were compared in conventional elephant trunk (cET) and FET technique in a pig model. METHODS: German Landrace pigs (75-85 kg) underwent aortic arch surgery using the FET ( n  = 8) or cET ( n  = 8) techniques...
May 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28523430/long-term-durability-of-preserved-aortic-root-after-repair-of-acute-type-a-aortic-dissection
#20
Keiji Kamohara, Shugo Koga, Jun Takaki, Nozomi Yoshida, Kojiro Furukawa, Shigeki Morita
BACKGROUND: Optimal management of aortic root in type A aortic dissection (AAD) is controversial. To determine the most appropriate strategy, we studied the late outcomes after conservative repair of aortic root. METHODS: 234 AAD patients (mean age 68 ± 12 years) underwent surgical repair using supracommissural replacement (SCR) for aortic root reconstruction from 1989 to 2014. Ascending aortic replacement or hemi-arch replacement was performed in 180 patients (non-arch group), whereas total arch replacement (TAR) was performed in 54 patients...
May 18, 2017: General Thoracic and Cardiovascular Surgery
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