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Thoracic dissection

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https://www.readbyqxmd.com/read/29904131/quantitative-study-of-abdominal-blood-flow-patterns-in-patients-with-aortic-dissection-by-4-dimensional-flow-mri
#1
Dongting Liu, Zhanming Fan, Yu Li, Nan Zhang, Zhonghua Sun, Jing An, Aurélien F Stalder, Andreas Greiser, Jiayi Liu
The purpose of this study is to evaluate the hemodynamic characteristics of the true lumen (TL) and the false lumen (FL) in 16 patients with aortic dissection (AD) using 4D flow magnetic resonance imaging (MRI) and thoracic and abdominal computed tomography (CT) angiography. The quantitative parameters that were measured in the TL and FL included velocity and flow. The mean area and regurgitant fraction of the TL were significantly lesser at all four levels (p < 0.05); the average through-plane velocity, peak velocity magnitude, average net flow, peak flow, and net forward volume in the TL were considerably higher (p < 0...
June 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29903350/acute-limited-intimal-tears-of-the-thoracic-aorta
#2
Anne S Chin, Martin J Willemink, Aya Kino, Virginia Hinostroza, Anna M Sailer, Michael P Fischbein, R Scott Mitchell, Gerald J Berry, D Craig Miller, Dominik Fleischmann
BACKGROUND: Limited intimal tears (LITs) of the aorta (Class 3 dissection variant) are the least common form of aortic pathology in patients presenting with acute aortic syndrome (AAS). LITs are difficult to detect on imaging and may be underappreciated. OBJECTIVES: This study sought to describe the frequency, pathology, treatment, and outcome of LITs compared with other AAS, and to demonstrate that LITs can be detected pre-operatively by contemporary imaging. METHODS: The authors retrospectively reviewed 497 patients admitted for 513 AAS events at a single academic aortic center between 2003 and 2012...
June 19, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29900476/mixed-adenoneuroendocrine-carcinoma-of-the-esophagogastric-junction-a-case-report
#3
Miho Yamamoto, Soji Ozawa, Kazuo Koyanagi, Junya Oguma, Akihito Kazuno, Yamato Ninomiya, Kentaro Yatabe, Kazuhito Hatanaka
BACKGROUND: Mixed adenoneuroendocrine carcinoma (MANEC) is a tumor of the gastrointestinal tract that contains both exocrine and endocrine components, with each component exceeding 30% of the total tumor area. Because MANECs are exceedingly rare, no therapeutic strategies have been established yet. CASE PRESENTATION: An 81-year-old man was referred to our hospital with a 5-month history of dysphagia. Esophagogastroduodenoscopy revealed an ulcerated mass in the lower thoracic esophagus, extending up to the esophagogastric junction (33 to 40 cm from the incisors)...
June 14, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29896041/redo-aortic-root-operations-in-patients-with-marfan-syndrome
#4
REVIEW
Vicente Orozco-Sevilla, Richard Whitlock, Ourania Preventza, Kim I de la Cruz, Joseph S Coselli
Aortic root aneurysm is the most common cardiovascular manifestation requiring surgical intervention in patients with Marfan syndrome (MFS), a heritable thoracic aortic disease. Elective replacement of the aortic root is the treatment of choice for patients with aneurysmal complications of the aortic root and ascending aorta. There are two basic approaches to aortic root replacement: valve-sparing (VS) and valve-replacing (VR) techniques. After successful aortic root replacement surgery, several patients with MFS may develop a late complication related to their aortic disease process, such as developing a pseudoaneurysm of the coronary artery reattachment buttons, aneurysmal expansion, or aortic dissection in the remaining native aorta...
June 2018: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29896040/endovascular-treatment-of-various-aortic-pathologies-review-of-the-latest-data-and-technologies
#5
REVIEW
Koji Maeda, Takao Ohki, Yuji Kanaoka
The technologies and innovations applicable to endovascular treatment for complex aortic pathologies have progressed rapidly over the last two decades. Although the initial outcomes of an endovascular aortic repair have been excellent, as long-term data became available, complications including endoleaks, endograft migration, and endograft infection have become apparent and are of concern. Previously, the indication for endovascular therapy was restricted to descending thoracic aortic aneurysms and abdominal aortic aneurysms...
June 2018: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29888543/minimally-invasive-abdominal-and-left-thoracic-approach-for-esophagogastric-junction-adenocarcinoma-with-esophageal-diverticulum-a-case-report
#6
Yuta Takeuchi, Yuma Ebihara, Yoshitsugu Nakanishi, Toshimichi Asano, Takehiro Noji, Yo Kurashima, Soichi Murakami, Toru Nakamura, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano
Controversy remains regarding the optimal resection approach for Siewert type II adenocarcinoma of the esophagogastric junction (EGJ). Furthermore, an esophageal diverticulum, although rare, can complicate surgical procedures. Herein, we report a case of EGJ adenocarcinoma with an esophageal diverticulum that was treated using the minimally invasive abdominal and left thoracic approach (MALTA). A 72-year-old man, with EGJ adenocarcinoma and an epiphrenic diverticulum on esophagogastroduodenoscopy underwent endoscopic submucosal dissection...
June 11, 2018: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/29886673/-research-advances-in-the-aortic-remodeling-after-thoracic-endovascular-aortic-repair-therapy-of-stanford-type-b-aortic-dissection
#7
H G Zhang, T Qiao
Aortic dissection is one of the most common vascular emergent disease. Thoracic endovascular aortic repair (TEVAR) therapy which created the new era of treatment of Stanford type B aortic dissection (TBAD) has gradually replaced the surgical treatment and becomes the gold standard for treatment of TBAD. Aortic remodeling after TEVAR is the key factor to evaluate the mid-term survival rate and successful treatment of the aortic dissection victims. However, there are few studies on aortic remodeling and lack of unified criteria to evaluate it...
June 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29886669/-learning-curve-of-uniportal-video-assisted-thoracoscopic-surgery-lobectomy-for-the-treatment-of-resectable-lung-cancer
#8
R Xiong, G W Xu, H R Wu, C W Li, G X Wang, M Q Xu, M R Xie
Objective: To analyze the learning curve of uniportal video-assisted thoracoscopic surgery (VATS) lobectomy for the treatment of resectable lung cancer. Methods: The clinical data of 160 patients with resectable lung cancer who underwent uniportal VATS lobectomy by a single surgical team between May 2016 and April 2017 at Department of Thoracic Surgery, the First Affiliated Hospital of the University of Science and Technology of China were analyzed retrospectively. The study group consisted of 90 male and 70 female patients with age of 28 to 84 years (median: 62 years)...
June 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29883307/thoracic-aortic-aneurysm-how-to-counsel-when-to-refer
#9
REVIEW
Frank Cikach, Milind Y Desai, Eric E Roselli, Vidyasagar Kalahasti
Thoracic aortic aneurysm (TAA) is usually clinically silent and progresses slowly until a tipping point is reached, after which the aortic diameter can expand more rapidly and the condition can potentially end in aortic dissection or rupture. Causes include bicuspid aortic valve and genetic syndromes (Marfan, Loeys-Dietz, and Ehlers-Danlos syndromes) and familial associations, but many cases are idiopathic. Clinicians should therefore be alert for clues on chest imaging, and consider screening in first-degree relatives of patients known to have aortic disease...
June 2018: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/29880297/acute-type-a-aortic-dissection-rationale-and-outcomes-of-extensive-repair-of-the-arch-and-distal-aorta
#10
Luca Di Marco, Alessandro Leone, Giacomo Murana, Andrea Castelli, Jacopo Alfonsi, Roberto Di Bartolomeo, Davide Pacini
Type A acute aortic dissection represents one of the most complex and life-threatening disorders of the cardiovascular system. Cardiac tamponade caused by ascending aorta rupture is the most common cause of death. In light of this, emergent surgery with ascending and partial arch replacement represents, in most of cases, the best and the faster therapeutic option. The natural history of aortic dissection, however, teaches us that in most cases there is a distal progression of the aortic disease that often requires further surgical and/or endovascular treatments...
May 30, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29879478/technique-and-surgical-outcomes-of-mesenterization-and-intra-operative-neural-monitoring-to-reduce-recurrent-laryngeal-nerve-paralysis-after-thoracoscopic-esophagectomy-a-cohort-study
#11
Hiroyuki Kobayashi, Masato Kondo, Motoko Mizumoto, Hiroki Hashida, Satoshi Kaihara, Ryo Hosotani
BACKGROUND: Because the thoracic esophageal carcinoma has a high metastatic rate to the upper mediastinal lymph nodes, especially along the recurrent laryngeal nerves (RLN), it is crucial to perform a complete lymphadenectomy along the RLN without complications. Although intraoperative neural monitoring (IONM) during thyroid surgery has gained widespread acceptance as a useful tool for visual nerve identification, utilization of IONM during esophageal surgery has not become common. Here, we describe our procedures, focusing on a lymphadenectomy along the RLN utilizing the IONM...
June 4, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29875232/iris-anomalies-and-the-incidence-of-acta2-mutation
#12
Kenneth J Taubenslag, Hannah L Scanga, Jennifer Huey, Jennifer Lee, Anagha Medsinge, Christin L Sylvester, Kenneth P Cheng, Ken K Nischal
BACKGROUND: Central cysts of the iris pigment epithelium, or iris flocculi, are frequently reported in the literature in association with thoracic aortic aneurysm and dissection due to smooth muscle alpha-actin 2 ( ACTA2 ) mutations. Children with ACTA2 mutations may also present with congenital mydriasis. We report our experience regarding the frequency of ACTA2 mutation in children with the above iris anomalies. METHODS: This is a retrospective, consecutive case series of all children presenting for iris flocculi or congenital mydriasis at a single tertiary centre from October 2012 to December 2016...
June 6, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29873693/initial-experience-of-robot-assisted-ivor-lewis-esophagectomy-61-consecutive-cases-from-a-single-chinese-institution
#13
Y Zhang, J Xiang, Y Han, M Huang, J Hang, A E Abbas, H Li
This study aims to report the technical details and preliminary outcomes of robot-assisted Ivor-Lewis esophagectomy (RAILE) using two different types of intrathoracic anastomosis from a single institution in China. From May 2015 to October 2017, 61 patients diagnosed with mid-lower esophageal cancer were treated with RAILE. The RAILE procedure was performed in two stages. The first 35 patients underwent circular end-to-end stapled intrathoracic anastomosis (stapled group), and the remaining 26 patients had a double-layered, completely hand-sewn intrathoracic anastomosis (hand-sewn group)...
June 4, 2018: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29871681/postpneumonectomy-transthoracic-esophagectomy-a-case-report-using-anatomic-change-to-create-extrathoracic-esophagogastric-anastomosis
#14
Qiuyuan Li, Jing Guo, Chenwei Li, Xinjian Li
BACKGROUND: Resection of primary esophageal cancer following previous pneumonectomy is a challenging procedure and was scarcely reported. CASE PRESENTATION: Here we report a case in which reduced thoracic space was used in left transthoracic esophagectomy to counter the difficulties caused by previous left pneumonectomy. CONCLUSION: Retrograde dissection and infra-diaphragmatic esophagogastric anastomosis are examples of using postpneumonectomy changes to facilitate subsequent transthoracic esophagectomy for cancers of the lower esophagus...
June 5, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29871678/robot-assisted-enucleation-of-large-dumbbell-shaped-esophageal-schwannoma-a-case-report
#15
Yajie Zhang, Yu Han, Jie Xiang, Hecheng Li
BACKGROUND: Esophageal schwannomas are extremely rare, with few cases reported in the literature. Traditionally, resection of esophageal schwannoma is typically performed using thoracotomy or video-assisted thoracic surgery. However, large, irregular tumors may increase the surgical difficulties of complete enucleation and lead to potential mucosal damage. Moreover, a subtotal esophagectomy cannot be avoided in some conditions. Here, we report the first case of robot-assisted enucleation of a large dumbbell-shaped esophageal schwannoma...
June 5, 2018: BMC Surgery
https://www.readbyqxmd.com/read/29867557/validated-computational-model-to-compute-re-apposition-pressures-for-treating-type-b-aortic-dissections
#16
Aashish Ahuja, Xiaomei Guo, Jillian N Noblet, Joshua F Krieger, Blayne Roeder, Stephan Haulon, Sean Chambers, Ghassan S Kassab
The use of endovascular treatment in the thoracic aorta has revolutionized the clinical approach for treating Stanford type B aortic dissection. The endograft procedure is a minimally invasive alternative to traditional surgery for the management of complicated type-B patients. The endograft is first deployed to exclude the proximal entry tear to redirect blood flow toward the true lumen and then a stent graft is used to push the intimal flap against the false lumen (FL) wall such that the aorta is reconstituted by sealing the FL...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29865946/a-new-adjustable-puncture-device-for-in-situ-fenestration-during-thoracic-endovascular-aortic-repair
#17
Lixin Wang, Xiushi Zhou, Daqiao Guo, Kai Hou, Zhenyu Shi, Xiao Tang, Weiguo Fu
PURPOSE: To describe a new adjustable puncture system for in situ fenestration in thoracic endovascular aortic repair (TEVAR). TECHNIQUE: An adjustable puncture needle for use in conjunction with a steerable 8-F, 55-cm Fustar sheath is demonstrated in a 65-year-old man with acute complicated type B dissection involving the left subclavian artery (LSA). The puncture device features an inflatable balloon at the tip, a central lumen for 0.018-inch guidewires, and a 3-level puncture depth...
May 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29863610/resuscitation-of-endotheliopathy-and-bleeding-in-thoracic-aortic-dissections-the-viper-octa-randomized-clinical-pilot-trial
#18
Jakob Stensballe, Annette G Ulrich, Jens C Nilsson, Hanne H Henriksen, Peter S Olsen, Sisse R Ostrowski, Pär I Johansson
BACKGROUND: Thoracic aorta dissection is an acute critical condition associated with shock-induced endotheliopathy, coagulopathy, massive bleeding, and significant morbidity and mortality. Our aim was to compare the effect of coagulation support with solvent/detergent-treated pooled plasma (OctaplasLG) versus standard fresh frozen plasma (FFP) on glycocalyx and endothelial injury, bleeding, and transfusion requirements. METHODS: Investigator-initiated, single-center, blinded, randomized clinical pilot trial of adult patients undergoing emergency surgery for thoracic aorta dissection...
May 31, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29857964/current-hospital-mortality-neurological-deficit-and-mid-term-survival-after-surgery-for-acute-type-a-aortic-dissection-in-argentina
#19
Raúl A Borracci, Julio Baldi, Daniel Yñon, Miguel Rubio
OBJECTIVE: To present the current in-hospital outcomes and mid-term survival of acute type A aortic dissection (AAAD) surgery performed by a group of dedicated high-volume thoracic aortic surgeons in a University Hospital in Argentina. METHODS: A retrospective analysis of prospectively collected data over a 6-year period (2011-2016) was performed on a consecutive series of 53 adult patients who underwent emergency cardiac surgery for AAAD in the Buenos Aires University Hospital in Argentina...
May 29, 2018: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/29850426/complications-of-endovascular-aneurysm-repair-of-the-thoracic-and-abdominal-aorta-evaluation-and-management
#20
REVIEW
Dania Daye, T Gregory Walker
In recent decades, endovascular aneurysm repair or endovascular aortic repair (EVAR) has become an acceptable alternative to open surgery for the treatment of thoracic and abdominal aortic aneurysms and other aortic pathologies such as the acute aortic syndromes (e.g., penetrating aortic ulcer, intramural hematoma, dissection). Available data suggest that endovascular repair is associated with lower perioperative 30-day all-cause mortality as well as a significant reduction in perioperative morbidity when compared to open surgery...
April 2018: Cardiovascular Diagnosis and Therapy
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