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Thoracic dissection

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https://www.readbyqxmd.com/read/29221304/microinvasive-segmentectomy-in-a-sculpting-manner-a-case-of-vats-left-s1-2-segmentectomy
#1
Liang Xue, Yunfeng Yuan
A ground-glass opacity (GGO) lesion was discovered in a 64-year-old female 1 year ago. One month before administration, a follow-up CT showed the lesion in the apical segment of left upper lobe had increased from 8 to 11 mm in diameter. The lesion was diagnosed to be cT1aN0M0 non-small cell lung cancer (NSCLC) and a 3-port video-assisted thoracic surgery (VATS) anatomic segmentectomy was performed. Intraoperative frozen sections revealed a microinvasive adenocarcinoma. Systematic lymph node dissection was then carried out...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221285/robot-assisted-thoracic-surgery-for-complex-procedures
#2
Shuenn-Wen Kuo, Pei-Ming Huang, Mong-Wei Lin, Ke-Cheng Chen, Jang-Ming Lee
Background: As an option for minimally invasive thoracic surgery, robot-assisted thoracic surgery (RATS) has shown comparable perioperative outcomes to those achieved by traditional video-assisted thoracic surgery (VATS). It is unknown whether RATS might have any potential benefits in more complex thoracic surgical procedures, which usually require open surgery instead of VATS. The current study presents a preliminary result regarding the use of RATS in complex thoracic operations in an attempt to address this unresolved question...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29214655/an-anatomic-description-of-intrinsic-brachial-muscles-in-the-crab-eating-fox-cerdocyon-thous-linnaeus-1776-and-report-of-a-variant-arterial-distribution
#3
J Vélez, J Ramírez, O Aristizábal
The crab-eating fox (Cerdocyon thous) is a wild canid distributed throughout South America. It is one of the wild canids reported being hit by vehicles and injured in snares, thus inducing trauma or injury to the musculoskeletal system, possibly occurring in the brachial region. The main objective of this research was to provide an anatomic description of the crab-eating fox's intrinsic brachial muscles including shape, origin, insertion, innervation and arterial blood supply, compared with that of the domestic dog...
December 6, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29214557/laparoscopic-intraperitoneal-onlay-mesh-for-pediatric-incisional-hernia-a-case-report
#4
Maho Inoue, Shigeyoshi Aoi, Akihiro Taniguchi, Kohei Sakai, Mayumi Higashi, Shigehisa Fumino, Taizo Furukawa, Tatsuro Tajiri
BACKGROUND: The incidence of incisional hernia in pediatric patients is low in comparison with that reported in adults. In the pediatric population, primary closure has generally been favored. However, synthetic or biomedical mesh offers advantages in the repair of larger defects when primary closure is difficult. The use of laparoscopic intraperitoneal onlay mesh (IPOM) in the adult population has been well documented. In the pediatric population, a few laparoscopic approaches with direct suturing have been proposed; however, there are no reports of laparoscopic repair with the use of IPOM...
December 7, 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/29211214/hybrid-approach-of-aortic-diseases-zone-1-delivery-and-volumetric-analysis-on-the-descending-aorta
#5
José Augusto Duncan, Ricardo Ribeiro Dias, Fabrício José Dinato, Fábio Fernandes, Félix José Álvares Ramirez, Charles Mady, Fabio Biscegli Jatene
INTRODUCTION: Conventional techniques of surgical correction of arch and descending aortic diseases remains as high-risk procedures. Endovascular treatments of abdominal and descending thoracic aorta have lower surgical risk. Evolution of both techniques - open debranching of the arch and endovascular approach of the descending aorta - may extend a less invasive endovascular treatment for a more extensive disease with necessity of proximal landing zone in the arch. OBJECTIVE: To evaluate descending thoracic aortic remodeling by means of volumetric analysis after hybrid approach of aortic arch debranching and stenting the descending aorta...
September 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29209372/heat-shock-protein-27-plays-a-protective-role-in-thoracic-aortic-dissection-by-promoting-cell-proliferation-and-inhibiting-apoptosis
#6
Sili Zou, Mingfang Liao, Junlin Yang, Tong Huang, Mark Green, Jianjin Wu, Lefeng Qu
Background: Thoracic aortic dissection (TAD) is one of the most severe aortic diseases. The study aimed to explore the potential role of heat shock protein 27 (HSP27) in the pathogenesis of TAD using an in vitro model of oxidative stress in vascular smooth muscle cells (VSMCs). Methods: HSP27 was analyzed in aortic surgical specimens from 12 patients with TAD and 8 healthy controls. A lentiviral vector was used to overexpress HSP27 in rat aortic VSMCs. Cell proliferation and apoptosis were measured under oxidative stress induced by H2O2...
2017: Cellular & Molecular Biology Letters
https://www.readbyqxmd.com/read/29207672/thoracic-endovascular-aortic-repair-for-type-b-aortic-dissection-after-renal-transplantation
#7
Chang Shu, QingGen Xiong, Jian Qiu, MingYao Luo, Kun Fang
Thoracic endovascular repair (TEVAR) is an effective treatment for type B aortic dissection (TBAD). Here, we evaluated the early-midterm effectiveness and safety of TEVAR for treating TBAD patients after renal transplantation. Six patients with TBAD treated with TEVAR after renal transplantation were recruited between February 2012 and December 2016. They were then followed up with clinical examinations and computed tomography angiography (CTA). TEVAR was successfully performed in all patients (100%), and the primary tear sites were well covered by stents with or without coverage of the left subclavian artery...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29205465/gross-anatomy-of-the-heart-of-the-alpaca-vicugna-pacos-linnaeus-1758
#8
W Pérez, V Méndez, N Vazquez, M Navarrete, H E König
The available information about anatomical characteristics of the cardiovascular system of the alpaca (Vicugna pacos, Linnaeus 1758) is scarce. The general objective of this work was to describe its heart anatomy. We dissected six adult animals and five neonates. The heart of the alpaca was located in the middle mediastinum, with a craniocaudal extension from the third to the sixth rib. No ligament that connected the fibrous pericardium to the sternum or to the diaphragm was detected. In the right atrium, there was a developed crista terminalis and small pectinate muscles...
December 4, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29204794/thoracic-aortic-aneurysm-unlocking-the-silent-killer-secrets
#9
Ayman A Saeyeldin, Camilo A Velasquez, Syed Usman B Mahmood, Adam J Brownstein, Mohammad A Zafar, Bulat A Ziganshin, John A Elefteriades
Thoracic aortic aneurysm (TAA) is an increasingly recognized condition that is often diagnosed incidentally. This review discusses ten of the most relevant epidemiological and clinical secrets of this disease; (1) the difference in pathogenesis between ascending and descending TAAs. TAAs at these two sites act as different diseases, which is related to the different embryologic origins of the ascending and descending aorta. (2) The familial pattern and genetics of thoracic aneurysms. Syndromic TAAs only explain 5% of the pattern of inheritance...
December 4, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29203969/cardiovascular-disease-in-ageing-an-overview-on-thoracic-aortic-aneurysm-as-an-emerging-inflammatory-disease
#10
REVIEW
Calogera Pisano, Carmela Rita Balistreri, Alessandro Ricasoli, Giovanni Ruvolo
Medial degeneration associated with thoracic aortic aneurysm and acute aortic dissection was originally described by Erdheim as a noninflammatory lesion related to the loss of smooth muscle cells and elastic fibre fragmentation in the media. Recent evidences propose the strong role of a chronic immune/inflammatory process in aneurysm evocation and progression. The coexistence of inflammatory cells with markers of apoptotic vascular cell death in the media of ascending aorta with aneurysms and type A dissections raises the possibility that activated T cells and macrophages may contribute to the elimination of smooth muscle cells and degradation of the matrix...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29202781/acta2-mutation-and-postpartum-hemorrhage-a-case-report
#11
Kylie Cooper, Stephen Brown
BACKGROUND: ACTA2 encodes smooth muscle specific α-actin, a critical component or the contractile complex of vascular smooth muscle. Mutations in ACTA2 are the most common genetic cause of thoracic aortic aneurysm, and are also the cause of other disorders, including Moyamoya disease, coronary artery disease and stroke as well as Multisystemic Smooth Muscle Dysfunction Syndrome. We note that ACTA2 is also expressed in uterine smooth muscle, and this raises the possibility that women harboring ACTA2 mutations might exhibit uterine smooth muscle dysfunction...
December 4, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29198688/hanging-hepato-atrial-anastomosis-in-deceased-donor-liver-transplantation-for-budd-chiari-syndrome-with-extensive-vena-cava-obliteration-a-case-report
#12
S Y Hong, B-W Kim, H-J Wang, I-G Kim, X-G Hu
INTRODUCTION: Although outcomes of liver transplantation (LT) have improved as the result of progress in surgical procedures, a failure to restore sufficient graft outflow may yield fatal consequences including graft dysfunction and even graft loss to date. In particular, patients with pre-existing obliterated venous drainage, such as those with Budd-Chiari syndrome (BCS), are at high risk of having venous complications followed by conventional LT. In selected cases, the transplant surgeons are compelled to modify the surgical procedures of LT from the conventional procedure...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29198629/aortic-replacement-after-tevar-diameter-correction-with-modified-use-of-the-siena-prosthesis
#13
Arminder Jassar, Maximilian Kreibich, Julia Morlock, Stoyan Kondov, Johannes Scheumann, Fabian A Kari, Bartosz Rylski, Matthias Siepe, Alexander Jonaszik, Cornelius Keyl, Frank Humburger, Friedhelm Beyersdorf, Martin Czerny
BACKGROUND: To report a new technique for diameter correction in patients after thoracic endovascular aortic repair (TEVAR) with large stent-grafts using the Vascutek Siena 4-branch collared prosthesis (Vascutek Terumo, Inchinnan, Scotland, UK) in patients undergoing thoracoabdominal (TA) aortic replacement. METHODS: Within a 24-month period, 39 patients underwent TA replacement at our center. Of these, 6 patients had undergone previous TEVAR with large stent-grafts (42 to 48 mm diameter)...
December 1, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29198626/the-impact-of-distal-stent-graft-induced-new-entry-on-aortic-remodeling-of-chronic-type-b-dissection
#14
Chun-Yang Huang, Hung-Lung Hsu, Po-Lin Chen, I-Ming Chen, Chiao-Po Hsu, Chun-Che Shih
BACKGROUND: In chronic type B aortic dissection, late distal stent graft-induced new entry (SINE) has a possible negative role in long-term aortic remodeling. This study aimed to investigate the impact of SINE occurrence on survival by evaluating true and false lumen remodeling in thoracic and abdominal segments at midterm surveillance. METHODS: This study enrolled 65 patients with chronic type B aortic dissection (DeBakey type IIIb), who had received hybrid thoracic endovascular aortic repair (TEVAR) and had completed surveillance for at least 3 years...
December 1, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29197606/elevated-plasma-levels-of-ldl-cholesterol-promote-dissecting-thoracic-aortic-aneurysms-in-angiotensin-ii-induced-mice
#15
Hiroki Tanaka, Yasunori Iida, Takayuki Iwaki, Yuko Suzuki, Hideto Sano, Chiharu Miyajima, Nobuhiro Zaima, Takeshi Sasaki, Ayato Sumioka, Shogo Hakamata, Hideyuki Shimizu, Kazuo Umemura, Tetsumei Urano
BACKGROUND: Plasma low-density lipoprotein (LDL)-cholesterol is implicated in aortic aneurysm (AA) and dissection (AD); however, its role in the pathogenesis of AA and AD, a disease with a high mortality rate, is unknown. The existing animal models such as apolipoprotein E-deficient (Apoe-/-) mice cannot reproduce all the conditions of AA/AD, including elevated LDL-cholesterol levels and spontaneous atheroma formation; therefore, a more reliable in vivo model is required. Here, we analyzed angiotensin II-induced mice with combined deficiency of the LDL receptor and the catalytic component of the apolipoprotein B-edisome complex (Ldlr-/-/Apobec1-/-) to understand AA formation and AD occurrence in relation to plasma lipid composition...
November 29, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29197602/continuous-flow-perfused-cadaver-model-for-endovascular-training-research-and-development
#16
Amrita Sarkar, Richa Kalsi, Joseph D Ayers, Charles B Drucker, Vaidehi Kaushal, William Sutton, Robert S Crawford
BACKGROUND: Endovascular simulation employing computer, animal, and static models are common and useful adjuncts for teaching endovascular procedures and developing novel, complex endovascular techniques. Unfortunately, these models lack realistic haptic feedback and thus do not faithfully replicate many of the technical challenges associated with clinical endovascular procedures (e.g., arterial calcification, rigidity, and stenosis). We sought to develop a realistic and reproducible perfused cadaver model for endovascular training, device development and research...
November 29, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29195571/impact-of-discordant-views-in-the-management-of-descending-thoracic-aortic-aneurysm
#17
Peter Chiu, Anna-Margaretha Sailer, Michael Baiocchi, Andrew B Goldstone, Justin M Schaffer, Jeff Trojan, Dominik Fleischmann, R Scott Mitchell, D Craig Miller, Michael D Dake, Y Joseph Woo, Jason T Lee, Michael P Fischbein
Thoracic endovascular aortic repair has a lower perceived risk than open surgical repair and has become an increasingly popular alternative. Whether general consensus exists regarding candidacy for either operation among open and endovascular specialists is unknown. A retrospective review of isolated descending thoracic aortic aneurysm at our institution between January 2005 and October 2015 was performed, excluding trauma and dissection. Two cardiac surgeons, 2 cardiovascular surgeons, 1 vascular surgeon, and 1 interventional radiologist gave their preference for open vs endovascular repair...
2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29193768/initial-experience-of-sleeve-lobectomy-under-complete-video-assisted-thoracic-surgery
#18
Shaohua Ma, Tianshen Yan, Dandan Liu, Keyi Wang, Jingdi Wang, Jintao Song, Tong Wang, Wei He, Jie Bai, Liang Jin, Hailong Liang
PURPOSE: Review the initial results of a single-center complete video-assisted thoracoscopic surgery (VATS) sleeve lobectomy and discuss the key procedure of this operation, in addition to its safety and feasibility. METHODS: Retrospectively analyze the perioperative data of 11 patients who accepted complete VATS sleeve lobectomy between May 2013 and Jun 2017 in Peking University Third Hospital, try to evaluate the safety of this procedure. All the patients were followed up and their oncological recurrence and metastasis were observed, and feasibility of VATS sleeve lobectomy for lung cancer was evaluated...
November 29, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29187218/open-stent-graft-repair-with-upper-half-sternotomy-for-blunt-thoracic-aortic-injury-a-case-report
#19
Toshinori Komatsu, Tamaki Takano, Hiromu Kehara, Megumi Fuke, Takamitsu Terasaki, Masayuki Sakaguchi
BACKGROUND: Thoracic endovascular aortic repair is now widely applied to the treatment of blunt aortic injury. However, its long-term outcomes remain unclear. Endoleakage and migration might occur in the long term, especially when younger patients undergo endovascular aortic repair. In open stent grafting, the proximal end of the open stent graft is directly sutured to the native aorta, which may reduce the risk of endoleakage and migration. We applied open stent grafting to the treatment of blunt aortic injury in the subacute phase and herein report the patient's clinical course...
November 29, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29181738/long-term-survival-after-multidisciplinary-therapy-for-brain-metastases-from-asymptomatic-esophageal-adenocarcinoma
#20
Takeshi Matsutani, Nobutoshi Hagiwara, Tsutomu Nomura, Itsuo Fujita, Yoshikazu Kanazawa, Daisuke Kakinuma, Akihisa Matsuda, Eiji Uchida
Asymptomatic T1 (invaded submucosa) esophageal carcinoma rarely metastasizes to the brain. A 53-year-old Japanese man complaining of right hemiparesis and convulsion was admitted to our hospital. Brain imaging demonstrated a ring-like, enhanced brain tumor in the left parietal lobe. The pathological findings of the resected tumor were consistent with a metastatic adenocarcinoma from the gastrointestinal tract. Additional examinations revealed an elevated-type tumor in the lower third of the thoracic esophagus...
November 27, 2017: Clinical Journal of Gastroenterology
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