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Thoracic dissection

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https://www.readbyqxmd.com/read/29684119/aortic-stiffness-in-adolescent-turner-and-marfan-syndrome-patients
#1
Michal Schäfer, Lorna P Browne, Uyen Truong, James J Jaggers, Max B Mitchell, Ladonna Malone, Gareth Morgan, Kathryn Chatfield, Daniel McLennan, Harma Turbendian, Danial Vargas, Brian Fonseca, Michael DiMaria, Anar Shah, Margaret P Ivy, Alex J Barker, Kendall S Hunter, Neil Wilson, D Dunbar Ivy, David N Campbell
OBJECTIVES: Turner syndrome (TS) and Marfan syndrome (MFS) are partially characterized by aortopathies with a risk of developing severe aortic dilation, stiffness and consequent dissection and aneurysm formation. The incidence of a bicuspid aortic valve (BAV) is also increased in TS. We investigated aortic stiffness in teenage TS and MFS patients and evaluated to what degree stiffness in TS patients is augmented by the presence of a BAV. METHODS: Fifty-seven patients with TS (n = 37) and MFS (n = 20), as well as 22 controls with similar age and size distribution underwent evaluation of thoracic aortic stiffness using phase-contrast magnetic resonance imaging...
April 19, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29682469/conservative-management-versus-endovascular-or-open-surgery-in-the-spectrum-of-type-b-aortic-dissection
#2
Xun Yuan, Andreas Mitsis, Mohammed Ghonem, Ilias Iakovakis, Christoph A Nienaber
Background: Type B aortic dissection is a life-threatening acute aortic condition often with acute ischemic signs or symptoms. With initial management focusing on alleviating malperfusion and pain, and avoiding propagation of dissection or rupture both systolic blood and pulse pressure should be reduced initially by an aggressive medical approach. In the setting of persistent signs of complications endovascular strategies have replaced open surgery and led to a fourfold increase in early survival and better long-term outcomes...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29682463/reasons-for-conversion-during-vats-lobectomy-what-happens-with-increased-experience
#3
REVIEW
Dario Amore, Davide Di Natale, Roberto Scaramuzzi, Carlo Curcio
Although controlled studies have demonstrated the benefits of a minimally invasive approach for pulmonary lobectomy over thoracotomy, reports have also documented that significant complications can occur during thoracoscopic lobectomy and sometimes require planned or emergent conversion to open surgery. Several authors have identified and reported causes and implications of intraoperative conversion to thoracotomy using different types of classification. The aim of this single centre retrospective review is to evaluate how the reasons for conversion change with increased experience, dividing patients who were converted to thoracotomy during video-assisted thoracic surgery (VATS) lobectomy, between 2011 and 2017, in two groups: those treated during learning curve (LC group) and those treated after learning curve (ALC group)...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29680298/experimental-evaluation-of-homemade-distal-stent-graft-fenestration-for-thoracic-endovascular-aortic-repair-of-type-a-dissection-by-a-transapical-approach
#4
Thomas Gandet, Anis Seghrouchni, Baris Ata Ozdemir, Guillaume Captier, Roland Demaria, Pierre Alric, Bernard Albat, Ludovic Canaud
OBJECTIVE: The use of off-the-shelf stent grafts for thoracic endovascular aortic repair of type A dissections is limited by variability in both the length of the ascending aorta and the location of the proximal intimal tear. This experimental study aimed to assess the feasibility of using a physician-modified thoracic aortic stent graft to treat acute type A dissection by a transapical cardiac approach. METHODS: The experiments were performed on six cadaveric human heart, ascending aorta, aortic arch, and descending aorta specimens...
April 18, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29679171/pedicled-gastric-seromuscular-patch-for-one-stage-closure-of-a-bronchopleural-fistula-a-case-report
#5
Jun Suzuki, Hiroyuki Oizumi, Hirohisa Kato, Akira Hamada, Hikaru Watarai, Kenta Nakahashi, Takayuki Sasage, Mitsuaki Sadahiro
BACKGROUND: One-stage closure and fenestration are the available surgical options for bronchopleural fistula (BPF). One-stage closure may be applicable in cases with favorable infection control. Closing the bronchopleural stump is difficult due to thick adhesion caused by inflammation and a high risk of pulmonary artery injury. We report the successful closure of a BPF using a gastric seromuscular patch with an omental pedicle flap. CASE PRESENTATION: A 73-year-old man underwent right lower lobectomy with ND2a-2 lymph node dissection for lung adenocarcinoma...
April 20, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29675442/thoracic-endovascular-aortic-repair-for-aortoesophageal-fistula-after-covered-rupture-of-aortic-homograft-a-durable-option
#6
Michal Nozdrzykowski, Jens Garbade, Steffen Leinung, Andrej Schmidt, Friedrich-Wilhelm Mohr, Michael A Borger
A 63-year-old woman underwent replacement of the aortic root, ascending aorta, and partial arch due to Type A aortic dissection. Shortly thereafter, a replacement of the distal aortic arch and descending aorta was performed. Three years later, the patient developed an aortoesophageal fistula (AEF) resulting in re-replacement of the distal aortic arch and proximal descending aorta with a cryopreserved aortic homograft. Six weeks post-discharge, the patient was readmitted due to recurrent AEF. A thoracic endovascular stent graft was implanted to cover the aortic rupture, followed by correction of an esophageal lesion...
June 2017: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/29675440/multi-velocity-encoding-four-dimensional-flow-magnetic-resonance-imaging-in-the-assessment-of-chronic-aortic-dissection
#7
Andrew G Sherrah, Fraser M Callaghan, Rajesh Puranik, Richmond W Jeremy, Paul G Bannon, Michael P Vallely, Stuart M Grieve
Background: Chronic descending thoracic aortic dissection (CDTAD) following surgical repair of ascending aortic dissection requires long-term imaging surveillance. We investigated four-dimensional (4D)-flow magnetic resonance imaging (MRI) with a novel multi-velocity encoding (multi-VENC) technique as an emerging clinical method enabling the dynamic quantification of blood volume and velocity throughout the cardiac cycle. Methods: Patients with CDTAD (n = 10; mean age, 55...
June 2017: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/29672730/the-importance-of-costoclavicular-space-on-possible-compression-of-the-subclavian-artery-in-the-thoracic-outlet-region-a-radio-anatomical-study
#8
Tevfik Kaplan, Ayhan Comert, Ali Firat Esmer, Gökçe Kaan Ataç, Halil Ibrahim Acar, Bulent Ozkurt, Ibrahim Tekdemir, Serdar Han
OBJECTIVES: The purposes of this study were to identify possible compression points along the transit route of the subclavian artery and to provide a detailed anatomical analysis of areas that are involved in the surgical management of the thoracic outlet syndrome (TOS). The results of the current study are based on measurements from cadavers, computed tomography (CT) scans and dry adult first ribs. METHODS: The width and length of the interscalene space and the width of the costoclavicular passage were measured on 18 cervical dissections in 9 cadavers, on 50 dry first ribs and on CT angiography sections from 15 patients whose conditions were not related to TOS...
April 16, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29672613/intravascular-ultrasound-assisted-sizing-in-thoracic-endovascular-aortic-repair-improves-aortic-remodeling-in-type-b-aortic-dissection
#9
Julia Lortz, Konstantinos Tsagakis, Christos Rammos, Michael Horacek, Thomas Schlosser, Heinz Jakob, Tienush Rassaf, Rolf Alexander Jánosi
The precise sizing of the stent graft in thoracic endovascular aortic repair (TEVAR) affects aortic remodeling and hence, further outcome. Covering the proximal entry tear is essential for successful treatment of Type B aortic dissection. Intravascular ultrasound (IVUS) enables real-time aortic diameter assessment, and is especially useful when computed tomography (CT) image quality is poor. IVUS, however, is not routinely utilized due to cost inefficiency. We investigated the impact of IVUS-assisted stent graft sizing on aortic remodeling in TEVAR...
2018: PloS One
https://www.readbyqxmd.com/read/29669321/lncrna-expression-profile-of-human-thoracic-aortic-dissection-by-high-throughput-sequencing
#10
Jie Sun, Guojun Chen, Yuanwen Jing, Xiang He, Jianting Dong, Junmeng Zheng, Meisheng Zou, Hairui Li, Shifei Wang, Yili Sun, Wangjun Liao, Yulin Liao, Li Feng, Jianping Bin
BACKGROUND/AIMS: In this study, the long non-coding RNA (lncRNA) expression profile in human thoracic aortic dissection (TAD), a highly lethal cardiovascular disease, was investigated. METHODS: Human TAD (n=3) and normal aortic tissues (NA) (n=3) were examined by high-throughput sequencing. Bioinformatics analyses were performed to predict the roles of aberrantly expressed lncRNAs. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to validate the results...
April 13, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29668804/morphology-of-the-diaphragm-muscle-in-southern-tamandua-tamandua-tetradactyla-and-its-importance-in-cases-of-traumatic-hernia
#11
Érica F S Azevedo, Daniela R Costa E Silva, Tamires V S Natividade, Elane G Giese, Ana Rita DE Lima, Paola C Soares, Érika Branco
The wall of the diaphragm can be affected by changes caused by physical trauma, allowing the passage of viscera between the abdominal cavity and thoracic cavity, thus reducing the space for pulmonary expansion, leading to the formation of hernia and possible death. Thus, we aimed to characterize, size and determine the topography of the diaphragmatic muscle in the Southern Tamandua, since clinical and surgical activities in wild animals have become a reality more and more present in veterinary medicine. We used six adult animals, x-rayed and dissected, followed by collection of fragments of muscular portions for histological analysis...
April 16, 2018: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29666015/patient-selection-could-be-the-holy-grail-of-thoracic-endovascular-aortic-repair-for-chronic-dissecting-aneurysm
#12
EDITORIAL
Ourania Preventza, Peter Chen
No abstract text is available yet for this article.
March 28, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29664358/tailored-management-of-stage-iiia-non-small-cell-lung-cancer-in-the-era-of-the-8th-edition-of-the-tnm-classification-for-lung-cancer
#13
Michael R Mueller
Stage IIIA is a very heterogeneous group encompassing locally advanced disease with T3 and T4 tumors without any nodal involvement and very small T1a primary tumors with unilateral mediastinal lymphatic disease. Tailored management defines interdisciplinary management requiring board decisions, which can sometimes be difficult particularly in stage IIIa non-small-cell lung cancer (NSCLC). Lobectomy still is standard of care even for stage I NSCLC, which increasingly is implemented using minimally invasive surgical technique...
March 2018: Future Oncology
https://www.readbyqxmd.com/read/29660360/spontaneous-coronary-artery-dissection-in-a-woman-surgical-treatment-and-angiographic-follow-up
#14
Dionysios Pavlopoulos, Michalis Hamilos, Paris Kalogerakos, Emmanouil Kampitakis, Pantelis Tsipas, John Kokotsakis, George Lazopoulos
Spontaneous coronary artery dissection constitutes a rare entity which affects mostly women especially below the age of forty. Treatment of choice is a matter of discussion. It is suggested by many authors that therapeutic strategy should be individualized based to each patient's clinical and angiographic manifestations. We present the case of a young woman who underwent surgical revascularization for dissection of Left Main Stem by using both Internal Thoracic Arteries. Angiographic follow up revealed resolution of dissection, obstruction of Right Internal Thoracic Artery graft and reverse flow in Left Internal Thoracic Artery graft...
April 13, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29658870/descending-thoracic-aortic-aneurysm-rupture-treated-with-thoracic-endovascular-aortic-repair-in-a-patient-with-peripheral-artery-disease
#15
Ovidiu Stiru, Roxana Carmen Geana, Platon Pavel, Marian Croitoru, Cristian Boros, Ion Iovu, Vlad Anton Iliescu
Descending thoracic aortic aneurysm rupture is a life-threatening disease associated with high rates of morbidity and mortality. Treatment in these cases is a surgical emergency. Less invasive therapies for the treatment of this pathology have been developed over time. For descending thoracic aneurysm rupture, endovascular stent grafting is less invasive, life-saving, and a unique alternative to open repair. However, this approach is subject to anatomical and logistic limitations. The purpose of the present study is to report a case of an emergency endovascular repair for a ruptured thoracic aortic aneurysm in a patient with peripheral arterial disease, and to discuss some important issues related to this approach...
March 20, 2018: Heart Surgery Forum
https://www.readbyqxmd.com/read/29657039/should-the-distal-tears-of-aortic-dissection-be-treated-the-risk-of-distal-tears-after-proximal-repair-of-aortic-dissection
#16
Simeng Zhang, Yanqing Chen, Yongxue Zhang, Dongchen Shi, Yu Shen, Junmin Bao, Zhiqing Zhao, Xiang Feng, Rui Feng, Jian Zhou, Qingsheng Lu, Zaiping Jing
BACKGROUND: Patients with distal residual after proximal repair of aortic dissection (AD) have shown unsatisfactory long-term prognosis. However, possible mechanisms and risk factors for distal aortic segmental enlargement (DSAE) have been poorly understood. METHODS: We analyzed 962 AD patients repaired to the descending aorta between 1999 and 2014. Aortic morphological characteristics of 419 patients (including 75 DSAE and 344 non-DSAE patients) were investigated and compared...
June 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29656820/wall-stress-on-ascending-thoracic-aortic-aneurysms-with-bicuspid-compared-with-tricuspid-aortic-valve
#17
Yue Xuan, Zhongjie Wang, Raymond Liu, Henrik Haraldsson, Michael D Hope, David A Saloner, Julius M Guccione, Liang Ge, Elaine Tseng
OBJECTIVE: Guidelines for repair of bicuspid aortic valve-associated ascending thoracic aortic aneurysms have been changing, most recently to the same criteria as tricuspid aortic valve-ascending thoracic aortic aneurysms. Rupture/dissection occurs when wall stress exceeds wall strength. Recent studies suggest similar strength of bicuspid aortic valve versus tricuspid aortic valve-ascending thoracic aortic aneurysms; thus, comparative wall stress may better predict dissection in bicuspid aortic valve versus tricuspid aortic valve-ascending thoracic aortic aneurysms...
March 8, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29656146/genetics-of-the-extracellular-matrix-in-aortic-aneurysmal-diseases
#18
REVIEW
Chien-Jung Lin, Chieh-Yu Lin, Nathan O Stitziel
Aortic aneurysms are morbid conditions that can lead to rupture or dissection and are categorized as thoracic (TAA) or abdominal aortic aneurysms (AAA) depending on their location. While AAA shares overlapping risk factors with atherosclerotic cardiovascular disease, TAA exhibits strong heritability. Human genetic studies in the past two decades have successfully identified numerous genes involved in both familial and sporadic forms of aortic aneurysm. In this review we will discuss the genetic basis of aortic aneurysm, focusing on the extracellular matrix and how insights from these studies have informed our understanding of human biology and disease pathogenesis...
April 12, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29649955/repair-of-tevar-associated-type-a-dissection-in-the-elderly-is-possible-with-reasonable-morbidity-and-mortality
#19
Angela Kornberger, Risteski Petar, Hazem El Beyrouti, Mahmud Khalil, Iris Burck, Nancy Halloum, Andres Beiras-Fernandez, Christian-Friedrich Vahl
BACKGROUND: Type A aortic dissection (AAD) is a devastating complication of thoracic endovascular repair (TEVAR). In elderly patients, surgery for AAD carries considerable morbidity and mortality. Repair of AAD after previous TEVAR is an even greater challenge as it usually requires the arch to be addressed and a preexisting stent graft to be included into the aortic repair. METHODS: A case series of 5 elderly patients who presented with acute AAD after previous TEVAR was reviewed...
January 1, 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29649086/the-morphology-and-clinical-significance-of-the-extraforaminal-ligaments-at-the-t1-t12-levels
#20
Qinghao Zhao, Weicong Zhang, Zhihai Su, Min Wang, Lianjun Yang, Enyi Zhong, Zihai Ding, Qingchu Li, Hai Lu
STUDY DESIGN: A dissection-based study of 10 embalmed human cadavers. OBJECTIVE: The purpose of this study was to describe the extraforaminal ligaments in the exit regions of the T1-T12 intervertebral foramina and to discuss their possible clinical significance. SUMMARY OF BACKGROUND DATA: The ligaments at the lumbar intervertebral foramina have been well studied. However, detailed descriptions of the extraforaminal ligaments at the T1-T12 levels are lacking...
April 11, 2018: Spine
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