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Type A dissection

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https://www.readbyqxmd.com/read/28102596/delineation-of-ehlers-danlos-syndrome-phenotype-due-to-the-c-934c-t-p-arg312cys-mutation-in-col1a1-report-on-a-three-generation-family-without-cardiovascular-events-and-literature-review
#1
Marina Colombi, Chiara Dordoni, Marina Venturini, Arianna Zanca, Piergiacomo Calzavara-Pinton, Marco Ritelli
Classical Ehlers-Danlos syndrome (cEDS) is a rare connective tissue disorder primarily characterized by hyperextensible skin, defective wound healing, abnormal scars, easy bruising, and generalized joint hypermobility; arterial dissections are rarely observed. Mutations in COL5A1 and COL5A2 encoding type V collagen account for more than 90% of the patients so far characterized. In addition, cEDS phenotype was reported in a small number of patients carrying the c.934C>T mutation in COL1A1 that results in an uncommon substitution of a non-glycine residue in one Gly-Xaa-Yaa repeat of the pro-α1(I)-chain p...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28102592/six-uneventful-pregnancy-outcomes-in-an-extended-vascular-ehlers-danlos-syndrome-family
#2
Annette F Baas, Wilko Spiering, Frans L Moll, Lieve Page-Christiaens, Ingrid C M Beenakkers, Dennis Dooijes, Evert-Jan P A Vonken, Jasper J van der Smagt, Nine V Knoers, Steven V Koenen, Joost A van Herwaarden, Gertjan Tj Sieswerda
Vascular Ehlers-Danlos Syndrome (vEDS) is caused by heterozygous mutations in COL3A1 and is characterized by fragile vasculature and hollow organs, with a high risk of catastrophic events at a young age. During pregnancy and delivery, maternal mortality rates up until 25% have been reported. However, recent pedigree analysis reported a substantial lower pregnancy-related mortality rate of 4.9%. Here, we describe an extended vEDS family with multiple uneventful pregnancy outcomes. In the proband, a 37-year-old woman, DNA-analysis because of an asymptomatic iliac artery dissection revealed a pathogenic mutation in COL3A1 (c...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28100966/total-arch-versus-hemiarch-replacement-for-type-a-acute-aortic-dissection-a-single-center-experience
#3
Antonio Lio, Francesca Nicolò, Emanuele Bovio, Andrea Serrao, Jacob Zeitani, Antonio Scafuri, Luigi Chiariello, Giovanni Ruvolo
We retrospectively evaluated early and intermediate outcomes of aortic arch surgery in patients with type A acute aortic dissection (AAD), investigating the effect of arch surgery extension on postoperative results. From January 2006 through July 2013, 201 patients with type A AAD underwent urgent corrective surgery at our institution. Of the 92 patients chosen for this study, 59 underwent hemiarch replacement (hemiarch group), and 33 underwent total arch replacement (total arch group) in conjunction with ascending aorta replacement...
December 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28100248/mediastinal-lymph-node-dissection-and-distal-esophagectomy-is-not-essential-in-early-esophagogastric-junction-adenocarcinoma
#4
In-Seob Lee, Ji-Yong Ahn, Jeong-Hwan Yook, Byung-Sik Kim
BACKGROUND: Optimal extent of surgery remains controversial in types 2 and 3 adenocarcinoma of esophagogastric junction (AEG). We aimed to determine whether the extended procedure including mediastinal lymphadenectomy is essential in all patients with AEG by comparing prognosis and recurrence of proximal gastric adenocarcinoma based on total gastrectomy with intra-abdominal lymphadenectomy. METHODS: The clinicopathologic characteristics of 672 patients (type 2: 90, type 3: 211, upper third of the stomach: 371 cases) who underwent curative total gastrectomy with lymphadenectomy between 2003 and 2009 were reviewed...
January 18, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28099943/a-nomogram-to-predict-lymph-node-metastasis-in-patients-with-early-gastric-cancer
#5
Chun Guang Guo, Dong Bing Zhao, Qian Liu, Zhi Xiang Zhou, Ping Zhao, Gui Qi Wang, Jian Qiang Cai
BACKGROUND: Lymph node status is crucial to determining treatment for early gastric cancer (EGC). We aim to establish a nomogram to predict the possibility of lymph node metastasis (LNM) in EGC patients. METHODS: Medical records of 952 EGC patients with curative resection, from 2002 to 2014, were retrospectively retrieved. Univariate and multivariate analysis were performed to examine risk factors associated with LNM. A nomogram for predicting LNM was established and internally validated...
January 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28097645/bacterial-subversion-of-camp-signalling-inhibits-cathelicidin-expression-which-is-required-for-innate-resistance-to-mycobacterium-tuberculosis
#6
Shashank Gupta, Kathryn Winglee, Richard Gallo, William R Bishai
Antimicrobial peptides such as cathelicidins are an important component of innate immune defence against inhaled microorganisms and have demonstrated antimicrobial activity against Mycobacterium tuberculosis with in vitro models. Despite this, little is known about the regulation and expression of cathelicidin during tuberculosis in vivo. We sought to determine whether the cathelicidin-related antimicrobial peptide (Cramp) gene, the murine functional homologue of the human cathelicidin gene (CAMP or LL-37), is required for regulating protective immunity during M...
January 18, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28097197/early-coronary-thrombosis-without-st-segment-elevation-following-repair-of-acute-aortic-dissection
#7
Davide Carino, Francesco Nicolini, Giorgio Romano, Matteo Ricci, Tiziano Gherli
Acute coronary thrombosis after emergent surgery for acute Type A aortic dissection is a rare event that can remain undiagnosed in absence of typical electrocardiogram readings. We report a case of left anterior descending artery thrombosis without ST-segment elevation three days after surgical repair, which was successfully treated with angioplasty and stenting.
August 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28097193/axillary-versus-femoral-arterial-cannulation-during-repair-of-type-a-aortic-dissection-an-old-problem-seeking-new-solutions
#8
Sotiris C Stamou, Derek Gartner, Nicholas T Kouchoukos, Kevin W Lobdell, Kamal Khabbaz, Edward Murphy, Robert C Hagberg
BACKGROUND: The goal of this study was to compare early postoperative outcomes and actuarial-free survival between patients who underwent repair of acute Type A aortic dissection with axillary or femoral artery cannulation. METHODS: A total of 305 patients from five academic medical centers underwent acute Type A aortic dissection repair via axillary (n = 107) or femoral (n = 198) artery cannulation between January 2000 and December 2010. Major morbidity, operative mortality, and 5-year actuarial survival were compared between groups...
August 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28097190/chronic-type-a-aortic-dissection-and-giant-aortic-root-aneurysm-after-aortic-valve-replacement
#9
Andrés Enríquez Puga, Sara Castaño Rodríguez, Blanca Mateos Pañero, Beatriz Castaño Moreira, Luis Fernando López Almodóvar
We describe the case of a 61-year-old male with a giant aortic root aneurysm associated with chronic aortic Type A dissection. The patient had been operated on 16 years before due to aortic annuloectasia with mechanical valve replacement. The patient underwent revision aortic surgery with a Bentall-De Bono operation with Svensson modification, using a #21 On-X Valsalva mechanical valve conduit. The postoperative course was uneventful.
June 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28095771/the-100-most-cited-articles-on-aortic-dissection
#10
Ping Lai, Yuan-Hui Liu, Jin-Hua Xue, Peng-Cheng He, Yue-Qun Qiu
BACKGROUND: To identify and characterize the most frequently cited articles that have been published on aortic dissection. METHODS: A list of the 100 most frequently cited publications (T100) about aortic dissection was generated by performing a searching of the Science Citation Index--Expanded using "aortic dissection" as the search term. Basic information about the articles was recorded, including number of citations, journal title, journal impact factor, time since publication, first author's country, topic/subspecialty of the research, and publication type...
January 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28093462/predictors-and-impact-of-massive-bleeding-in-acute-type-a-aortic-dissection
#11
Igor Zindovic, Johan Sjögren, Henrik Bjursten, Erik Björklund, Erik Herou, Richard Ingemansson, Shahab Nozohoor
OBJECTIVES: Bleeding complications associated with acute type A aortic dissection (aTAAD) are a well-known clinical problem. Here, we evaluated predictors of massive bleeding related to aTAAD and associated surgery and assessed the impact of massive bleeding on complications and survival. METHODS: This retrospective study of 256 patients used Blood Conservation Using Antifibrinolytics in a Randomized Trial (BART) criteria to define massive bleeding, which was met by 66 individuals (Group I) who were compared to the remaining patients (Group II)...
January 15, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28088939/complications-in-the-management-of-closed-high-energy-proximal-tibial-plateau-fractures
#12
Kavin Khatri, Vijay Sharma, Darsh Goyal, Kamran Farooque
PURPOSE: To report complications in the management of complex closed proximal tibial fractures. METHOD: A retrospective study was conducted to analyze the infectious and noninfectious complications encountered in the management of high-energy Schatzker type V and VI tibial plateau fractures. All patients were treated at the level 1 trauma centre between January 2011 and March 2014. Sixty two patients were included in the study. The mean patient age was (43.16 ± 11...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28088877/the-concerted-action-of-type-2-and-type-3-deiodinases-regulates-the-cell-cycle-and-survival-of-basal-cell-carcinoma-cells
#13
Caterina Miro, Raffaele Ambrosio, Maria Angela De Stefano, Daniela Di Girolamo, Emery Di Cicco, Annunziata Gaetana Cicatiello, Giuseppina Mancino, Tommaso Porcelli, Maddalena Raia, Luigi Del Vecchio, Domenico Salvatore, Monica Dentice
BACKGROUND: Thyroid hormones (THs) mediate pleiotropic cellular processes involved in metabolism, cellular proliferation and differentiation. The intracellular hormonal environment can be tailored by the deiodinase enzymes, D2 and D3, which catalyze TH activation and inactivation, respectively. In many cellular systems, THs exert well documented stimulatory or inhibitory effects on cell proliferation, however, the molecular mechanisms by which they control rates of cell cycle progression have not yet been entirely clarified...
January 15, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28087823/prognosis-of-carotid-dissecting-aneurysms-results-from-cadiss-and-a-systematic-review
#14
Susanna C Larsson, Alice King, Jeremy Madigan, Christopher Levi, John W Norris, Hugh S Markus
OBJECTIVE: To determine the natural history of dissecting aneurysm (DA) and whether DA is associated with an increased recurrent stroke risk and whether type of antithrombotic drugs (antiplatelets vs anticoagulants) modifies the persistence or development of DA. METHODS: We included 264 patients with extracranial cervical artery dissection (CAD) from the Cervical Artery Dissection in Stroke Study (CADISS), a multicenter prospective study that compared antiplatelet with anticoagulation therapy...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28087766/control-of-amygdala-circuits-by-5-ht-neurons-via-5-ht-and-glutamate-co-transmission
#15
Ayesha Sengupta, Marco Bocchio, David M Bannerman, Trevor Sharp, Marco Capogna
: The serotonin (5-HT) system and the amygdala are key regulators of emotional behavior. Several lines of evidence suggest that 5-HT transmission in the amygdala is implicated in the susceptibility and drug treatment of mood disorders. Thus, elucidating the physiological mechanisms through which midbrain 5-HT neurons modulate amygdala circuits could be pivotal in understanding emotional regulation in health and disease. To shed light on these mechanisms, we performed patch-clamp recordings from basal amygdala (BA) neurons in brain slices from mice with channelrhodopsin (ChR2) genetically targeted to 5-HT neurons...
January 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28081235/comprehensive-rna-seq-profiling-to-evaluate-the-sheep-mammary-gland-transcriptome-in-response-to-experimental-mycoplasma-agalactiae-infection
#16
Rohini Chopra-Dewasthaly, Melanie Korb, René Brunthaler, Reinhard Ertl
Mycoplasma agalactiae is a worldwide serious pathogen of small ruminants that usually spreads through the mammary route causing acute to subacute mastitis progressing to chronic persistent disease that is hard to eradicate. Knowledge of mechanisms of its pathogenesis and persistence in the mammary gland are still insufficient, especially the host-pathogen interplay that enables it to reside in a chronic subclinical state. This study reports transcriptome profiling of mammary tissue from udders of sheep experimentally infected with M...
2017: PloS One
https://www.readbyqxmd.com/read/28079659/suspected-malignant-hyperthermia-in-the-setting-of-hypothermic-circulatory-arrest-for-type-a-aortic-dissection-repair-a-case-report
#17
Bryant Bunting, Joshua Knight, Stephen M McHugh
Malignant Hyperthermia (MH) is a life-threatening biochemical process of hypermetabolism brought about in susceptible individuals by a triggering drug or event. Type A aortic dissections are surgical emergencies requiring cardiopulmonary bypass and frequently deep hypothermic circulatory arrest. We present a case of suspected MH in a patient undergoing emergent repair of a type A aortic dissection. Upon arrival at our institution, the patient had multiple signs of MH. However, no known triggering agent had been administered...
January 11, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28079579/detailed-2-dimensional-and-3-dimensional-transesophageal-evaluation-of-the-aortic-root-and-aortic-valve-in-complex-type-a-dissections
#18
J Kirk Edwards, Bradley G Leshnower, Michael Duggan, Kathryn E Glas
No abstract text is available yet for this article.
January 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28078746/a-gly65val-substitution-in-an-actin-ghact_li1-disrupts-cell-polarity-and-f-actin-organization-resulting-in-dwarf-lintless-cotton-plants
#19
Gregory N Thyssen, David D Fang, Rickie B Turley, Christopher B Florane, Ping Li, Christopher P Mattison, Marina Naoumkina
Actin polymerizes to form part of the cytoskeleton and organize polar growth in all eukaryotic cells. Species with numerous actin genes are especially useful for the dissection of actin molecular function due to redundancy and neofunctionalization. Here, we investigated the role of a cotton (Gossypium hirsutum) actin gene in the organization of actin filaments in lobed cotyledon pavement cells and the highly-elongated single-celled trichomes that comprise cotton lint fibers. Using mapping-by-sequencing, virus-induced gene silencing, and molecular modeling, we identified the causative mutation of the dominant dwarf Ligon-lintless Li1 short fiber mutant as a single Gly65Val amino acid substitution in a polymerization domain of an actin gene, GhACT_LI1 (Gh_D04G0865)...
January 12, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28078375/assessing-intra-arterial-complications-of-planning-and-treatment-angiograms-for-y-90-radioembolization
#20
Osman Ahmed, Mikin V Patel, Abdulrahman Masrani, Bradford Chong, Mohammed Osman, Jordan Tasse, Jayesh Soni, Ulku Cenk Turba, Bulent Arslan
PURPOSE: To report hepatic arterial-related complications encountered during planning and treatment angiograms for radioembolization and understand any potential-associated risk factors. MATERIALS AND METHODS: 518 mapping or treatment angiograms for 180 patients with primary or metastatic disease to the liver treated by Yttrium-90 radioembolization between 2/2010 and 12/2015 were retrospectively reviewed. Intra-procedural complications were recorded per SIR guidelines...
January 11, 2017: Cardiovascular and Interventional Radiology
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