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Type B dissection

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https://www.readbyqxmd.com/read/28317622/aortic-dissection-in-takayasu-arteritis
#1
Kun-Qi Yang, Yan-Kun Yang, Xu Meng, Ying Zhang, Hui-Min Zhang, Hai-Ying Wu, Ya-Xin Liu, Xiong-Jing Jiang, Jun Cai, Xian-Liang Zhou, Ru-Tai Hui, De-Yu Zheng, Li-Sheng Liu
BACKGROUND: Aortic dissection (AD) is a rare complication of Takayasu arteritis (TA). The clinical presentation and long-term management outcomes of AD in patients with TA have not been well described. MATERIALS AND METHODS: We conducted a retrospective study of patients with TA along with AD admitted to Fuwai Hospital between January 1985 and March 2016. Clinical data and follow-up data were collected and analyzed. RESULTS: Of the 1,154 patients with TA, we identified 10 patients (0...
April 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28316217/-comparison-of-the-effect-of-lymph-node-dissection-performed-by-ivor-lewis-or-left-sided-thoracic-esophagogastrectomy-for-siewert-type-%C3%A2-adenocarcinoma-of-the-esophagogastric-junction
#2
X F Duan, L Gong, M Q Ma, J Yue, P Tang, X B Shang, H J Jiang, Z T Yu
Objective: To compare the extent of lymphadenectomy and postoperative complications between Ivor-Lewis procedure and left sided thoracotomy in patients with Siewert type Ⅱ adenocarcinoma of the esophagogastric junction (AEG). Methods: The clinical data of 101 patients with Siewert type Ⅱ EG who received surgical treatment between January 2014 and September 2015 in the Department of Esophageal Cancer, Tianjin Medical University Cancer Hospital were analyzed retrospectively. These patients were divided into Ivor-Lewis group (IL, n=38) and left- sided thoracotomy group (LT, n=63) according to the operation mode...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28306723/the-redefinition-of-helicobacter-pylori-lipopolysaccharide-o-antigen-and-core-oligosaccharide-domains
#3
Hong Li, Tiandi Yang, Tingting Liao, Aleksandra W Debowski, Hans-Olof Nilsson, Alma Fulurija, Stuart M Haslam, Barbara Mulloy, Anne Dell, Keith A Stubbs, Barry J Marshall, Mohammed Benghezal
Helicobacter pylori lipopolysaccharide promotes chronic gastric colonisation through O-antigen host mimicry and resistance to mucosal antimicrobial peptides mediated primarily by modifications of the lipid A. The structural organisation of the core and O-antigen domains of H. pylori lipopolysaccharide remains unclear, as the O-antigen attachment site has still to be identified experimentally. Here, structural investigations of lipopolysaccharides purified from two wild-type strains and the O-antigen ligase mutant revealed that the H...
March 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28304197/endovascular-treatment-of-a-dural-arteriovenous-fistula-in-a-patient-with-loeys-dietz-syndrome-a-case-report
#4
Rie Aoki, Kittipong Srivatanakul, Takahiro Osada, Kazuko Hotta, Takatoshi Sorimachi, Mitsunori Matsumae, Hiroko Morisaki
Background Loeys-Dietz syndrome (LDS) is a recently recognized autosomal dominant connective tissue disease. The manifestations of LDS include vascular tortuosity, scoliosis, craniosynostosis, aneurysm and aortic dissections. Clinical presentation A 35-year-old woman treated with Stanford type B aortic dissection and breast cancer was referred to us for Borden type II dural arteriovenous fistula (dAVF) draining to the vein of Galen, involving the midline of tentorium cerebelli. The dAVF was treated successfully by combined transarterial and transvenous embolization...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28302367/lateral-thigh-perforator-flap-for-breast-reconstruction-computed-tomographic-angiography-analysis-and-clinical-series
#5
Marco A Maricevich, Michael R Bykowski, M Asher Schusterman, Evan B Katzel, Michael L Gimbel
PURPOSE: Although abdominal-based flaps remain the first choice for autologous breast reconstruction, alternative donor sites are necessary when the abdomen is unavailable. Abdominal donor site suitability is determined, at times, according to deep inferior epigastric perforator (DIEP)-protocol computed tomographic angiography (CTA) results. CTA provides information about the pelvis/upper thigh that can be used to evaluate the suitability of other donor sites. This study aimed to examine the utility of DIEP-protocol CTA in the assessment of a lateral thigh perforator (LTP) flap...
February 20, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28301559/synergy-between-the-classical-and-alternative-pathways-of-complement-is-essential-for-conferring-effective-protection-against-the-pandemic-influenza-a-h1n1-2009-virus-infection
#6
Ajitanuj Rattan, Shailesh D Pawar, Renuka Nawadkar, Neeraja Kulkarni, Girdhari Lal, Jayati Mullick, Arvind Sahu
The pandemic influenza A(H1N1) 2009 virus caused significant morbidity and mortality worldwide thus necessitating the need to understand the host factors that influence its control. Previously, the complement system has been shown to provide protection during the seasonal influenza virus infection, however, the role of individual complement pathways is not yet clear. Here, we have dissected the role of intact complement as well as of its individual activation pathways during the pandemic influenza virus infection using mouse strains deficient in various complement components...
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28298027/anatomical-nuances-of-the-internal-carotid-artery-in-relation-to-the-quadrangular-space
#7
Ricardo L L Dolci, Leo F S Ditzel Filho, Carlos R Goulart, Smita Upadhyay, Lamia Buohliqah, Paulo R Lazarini, Daniel M Prevedello, Ricardo L Carrau
OBJECTIVE The aim of this study was to evaluate the anatomical variations of the internal carotid artery (ICA) in relation to the quadrangular space (QS) and to propose a classification system based on the results. METHODS A total of 44 human cadaveric specimens were dissected endonasally under direct endoscopic visualization. During the dissection, the anatomical variations of the ICA and their relationship with the QS were noted. RESULTS The space between the paraclival ICAs (i.e., intercarotid space) can be classified as 1 of 3 different shapes (i...
February 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28294669/-visceral-complications-of-the-aortic-dissections-indications-and-technique-of-the-thoracoabdominal-refenestration
#8
Csaba Dzsinich, Jenő Szolnoky, Gábor Vallus, Gábor Darabos, Gabriella Nyiri, Dániel Teknős
Aortic dissection is a life threatening cardiovascular catastrophy. Its incidence estimated to 5-6 cases per 100,000 patients/year. The intimal tear happens at the ascending aorta in Type A, meanwhile at the aortic isthmus in Type B, but entry point may develop anywhere alongside the entire aorta. All types may affect a short aortic segment resulting in a localized false aneurysm, others separate the intimal layer at longer extension down to the visceral segment and far beyond to the femoral arteries. Dissection of orifices of side branches may lead to cerebral, upper extremity, spinal, visceral, renal and lower extremity malperfusion...
March 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28294527/peripartum-type-b-aortic-dissection-in-patients-with-marfan-syndrome-who-underwent-aortic-root-replacement-a-case-series-study
#9
Seisuke Sayama, Norifumi Takeda, Takayuki Iriyama, Ryo Inuzuka, Sonoko Maemura, Daishi Fujita, Haruo Yamauchi, Kan Nawata, Masahiko Bougaki, Hironobu Hyodo, Rieko Shitara, Toshio Nakayama, Atsushi Komatsu, Takeshi Nagamatsu, Yutaka Osuga, Tomoyuki Fujii
OBJECTIVE: To investigate pregnancy outcomes, especially the risk of pregnancy-related aortic dissection (AD), in patients with Marfan syndrome (MFS) after prophylactic aortic root replacement (ARR). DESIGN: Retrospective case series study. SETTING: Tertiary perinatal care center at a university hospital. POPULATION: Pregnant women fulfilling the revised Ghent nosology (2010) criteria for MFS that were managed at our institute...
March 11, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28292628/the-role-of-minimally-invasive-surgery-in-the-treatment-of-cholangiocarcinoma
#10
REVIEW
G B Levi Sandri, G Spoletini, G Mascianà, M Colasanti, P Lepiane, G Vennarecci, V D'Andrea, G M Ettorre
Cholangiocarcinoma (CC) is the second most common type of primary liver cancer after hepatocellular carcinoma. Surgical resection is considered the only curative treatment for CC. In general, laparoscopic liver surgery (LLS) is associated with improved short-term outcomes without compromising the long-term oncological outcome. However, the role of LLS in the treatment of CC is not yet well established. In addition, CC may arise in any tract of the biliary tree, thus requiring different types of treatment, including pancreatectomies and extrahepatic bile duct resections...
March 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28291303/thoracic-endovascular-aortic-repair-for-traumatic-type-b-aortic-dissection-a-five-year-experience-from-a-single-center
#11
Shuang Li, Wenwu Cai, Xin Li, Jian Qiu, Quanming Li, Chang Shu
BACKGROUND: to share our experience and demonstrate the feasibility, safety and efficacy of Thoracic endovascular aortic repair (TEVAR) for traumatic Type B Aortic Dissection (TTBAD). METHODS: Between October 2010 and October 2015, 36 patients, who have been diagnosed as TTBAD, were included. A computed tomography angiography (CTA) scan was performed to confirm the diagnosis and to localize the aortic entry. The clinical data and outcomes of these patients were retrospectively reviewed and collected for further analysis...
March 14, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28282801/thyroid-cancer-with-concurrent-breast-tubular-cancer-a-case-report-and-literature-review
#12
Ying-Jie Xu, Chen Qian, Jun He, Da-Qing Cheng, Liu-Xia Jiang
Here one concurrent case of a patient with both thyroid and breast cancers was discussed here with a comprehensive literature review. On March 21, 2016, a 42-year-old female patient was admitted into our hospital because of right neck mass and left breast mass for 1 week during a routine health examination. On March 22, the combined procedures of complete resection of right thyroid gland plus isthmus with dissection of lymph nodes in right VI region plus left breast regional lumpectomy were performed under endotracheal anesthesia...
March 3, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28279721/the-petticoat-technique-for-complicated-acute-stanford-type-b-aortic-dissection-using-as-distal-uncovered-stent-a-tapered-self-expanding-nitinol-device
#13
Michele Antonello, Francesco Squizzato, Chiara Colacchio, Jacopo Taglialavoro, Franco Grego, Michele Piazza
PURPOSE: Provisional ExTension To Induce COmplete Attachment (PETTICOAT) technique has shown good results in the treatment of acute type B aortic dissections (ABAD). Usually uncovered tubular stainless steel stents are used to promote distal true lumen reattachment. We describe the Petticoat technique using a conic self-expanding nitinol device as distal uncovered stent. CASE REPORT: Five cases of complicated ABAD were treated using a single-flared E-XL (Jotec-GmbH) as distal uncovered stent...
March 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28271932/mid-term-results-of-minimally-invasive-plate-osteosynthesis-and-circular-external-fixation-in-the-treatment-of-complex-distal-tibia-fractures
#14
Yunus Imren, Engin Eren Desteli, Mehmet Erdil, Hasan Hüseyin Ceylan, Ibrahim Tuncay, Cengiz Sen
BACKGROUND: The treatment of pilon tibia fractures is challenging. Anatomical reduction of the joint surface is essential. Excessive soft-tissue dissection may interfere with the blood supply and can result in nonunion. We sought to compare the outcomes of distal tibia fractures treated with medial locking plates versus circular external fixators. METHODS: We retrospectively evaluated 41 consecutive patients with closed pilon tibia fractures treated with either minimally invasive locking plate osteosynthesis (n = 21) or external fixation (EF) (n = 20)...
January 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28270842/admission-white-blood-cell-count-predicts-short-term-clinical-outcomes-in-patients-with-uncomplicated-stanford-type-b-acute-aortic-dissection
#15
Zhao-Ran Chen, Bi Huang, Hai-Song Lu, Zhen-Hua Zhao, Ru-Tai Hui, Yan-Min Yang, Xiao-Han Fan
OBJECTIVES: Inflammation has been shown to be related with acute aortic dissection (AAD). The present study aimed to evaluate the association of white blood cell counts (WBCc) on admission with both in-hospital and long-term all-cause mortality in patients with uncomplicated Stanford type B AAD. METHODS: From 2008 to 2010, a total of 377 consecutive patients with uncomplicated type B AAD were enrolled and then followed up. Clinical data and WBCc on admission were collected...
January 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28264054/delineating-cd4-dependency-of-hiv-1-adaptation-to-infect-low-level-cd4-expressing-target-cells-widens-cellular-tropism-but-severely-impacts-on-envelope-functionality
#16
David Beauparlant, Peter Rusert, Carsten Magnus, Claus Kadelka, Jacqueline Weber, Therese Uhr, Osvaldo Zagordi, Corinna Oberle, Maria J Duenas-Decamp, Paul R Clapham, Karin J Metzner, Huldrych F Günthard, Alexandra Trkola
A hallmark of HIV-1 infection is the continuously declining number of the virus' predominant target cells, activated CD4+ T cells. With diminishing CD4+ T cell levels, the capacity to utilize alternate cell types and receptors, including cells that express low CD4 receptor levels such as macrophages, thus becomes crucial. To explore evolutionary paths that allow HIV-1 to acquire a wider host cell range by infecting cells with lower CD4 levels, we dissected the evolution of the envelope-CD4 interaction under in vitro culture conditions that mimicked the decline of CD4high target cells, using a prototypic subtype B, R5-tropic strain...
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28258140/ecological-and-evolutionary-insights-into-pathovar-diversity-of-xanthomonas-citri
#17
Kanika Bansal, Samriti Midha, Sanjeet Kumar, Prabhu B Patil
Citrus canker, caused by Xanthomonas citri pv. citri (Xct), is a serious disease of citrus plants worldwide. Earlier phylogenetic studies using housekeeping genes revealed that Xct is related to many other pathovars, which can be collectively referred as Xanthomonas citri pathovars (XCPs). In the present study, we report the genome sequence of eighteen XCPs compared with four XCPs available in the public domain. In a tree based on phylogenomic marker genes, all the XCPs form a monophyletic cluster suggesting their origin from a common ancestor...
March 3, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28244473/pattern-of-care-in-operable-endometrial-cancer-treated-at-a-rural-based-tertiary-care-cancer-center
#18
S B Dessai, D Adrash, M Geetha, S Arvind, J Bipin, S Nayanar, K Sachin, M S Biji, S Balasubramanian
PURPOSE: An audit was planned to study the demographics, staging, treatment details, and outcomes of operable endometrial cancers. METHODOLOGY: All operable endometrial cancers treated between January 2009 and October 2014 were included in the study. The details regarding demographics, staging, surgical procedure, pathological staging, adjuvant treatment, and outcomes were extracted from the case records. Descriptive statistics was performed. The time-to-event analysis was done by Kaplan-Meier method...
July 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28238923/outcome-after-endovascular-repair-of-subacute-type-b-aortic-dissection-a-combined-series-from-two-greek-centers
#19
Nikolaos Asaloumidis, Christos D Karkos, Georgios Trellopoulos, Konstantinos Konstantinidis, Ioakeim T Giagtzidis, Thomas E Kalogirou, Konstantinos O Papazoglou
AIM: To document the outcome following endovascular treatment of subacute type B aortic dissection (AD). METHODS: Between October 2000 and June 2014, 40 patients (33 men, mean age 65 [range 35-87] years) with type B AD underwent thoracic endovascular aortic repair (TEVAR) during the subacute phase (defined as 15-90 days from the onset of symptoms). Indications for intervention were acute aortic enlargement, resistant hypertension and/or intractable pain. The primary outcome was survival...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28237965/genetic-dissection-of-anterior-segment-dysgenesis-caused-by-a-col4a1-mutation
#20
Mao Mao, Márton Kiss, Yvonne Ou, Douglas B Gould
Ocular anterior segment dysgenesis (ASD) describes a spectrum of clinically and genetically heterogeneous congenital disorders affecting anterior structures that often lead to impaired vision. More importantly, between 50-75% of patients with ASD develop early onset and aggressive glaucoma. Although several genes have been implicated in the etiology of ASD, the underlying mechanisms remain elusive. Type IV collagen alpha 1 (COL4A1) is an extracellular matrix protein and a critical component of nearly all basement membranes...
February 24, 2017: Disease Models & Mechanisms
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