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https://www.readbyqxmd.com/read/29915877/distinguishing-acute-from-chronic-aortic-dissections-using-ct-imaging-features
#1
Norman A Orabi, Leslie E Quint, Kuanwong Watcharotone, Bin Nan, David M Williams, Karen M Kim
The aim was to compare computed tomography (CT) features in acute and chronic aortic dissections (AADs and CADs) and determine if a certain combination of imaging features was reliably predictive of the acute versus chronic nature of disease in individual patients. Consecutive patients with aortic dissection and a chest CT scan were identified, and 120 CT scans corresponding to 105 patients were reviewed for a variety of imaging features. Statistical tests assessed for differences in the frequency of these features...
June 18, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29915622/impact-of-meteorological-conditions-and-pm2-5-on-the-onset-of-acute-aortic-dissection-in-monsoonal-climate
#2
Xiao-Nan He, Jin-Liang Zhan, Cheng Zhang, Yu Chen, Wei Gong, Wang Ji, Shao-Ping Nie
Objective: To investigate the impact of meteorological conditions and PM2.5 on the onset of acute aortic dissection in monsoonal climate. Methods: A linear regression analysis was performed in monsoonal climate epidemiological survey for a period of four years on the impact of meteorological factors (minimal temperature, mean temperature, maximal temperature, average daily surface temperature, day temperature range, relative humidity, mean wind speed, and atmospheric pressure) and PM2...
April 2018: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29914833/favorable-impact-of-thoracic-endovascular-aortic-repair-on-survival-of-patients-with-acute-uncomplicated-type-b-aortic-dissection
#3
James C Iannuzzi, Sahael M Stapleton, Yanik J Bababekov, David Chang, Robert T Lancaster, Mark F Conrad, Richard P Cambria, Virendra I Patel
BACKGROUND: In uncomplicated type B aortic dissection (UTBAD), the "gold standard" has been nonoperative treatment with medical therapy, although this has been questioned by studies demonstrating improved outcomes in those treated with thoracic endovascular aortic repair (TEVAR). This study assessed long-term survival after acute UTBAD comparing medical therapy, open repair, and TEVAR. METHODS: The California Office of Statewide Hospital Planning Development database was analyzed from 2000 to 2010 for adult patients with acute UTBAD...
June 15, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29914309/hemolysis-following-wrap-aortoplasty-for-type-a-aortic-dissection-repair-case-report-and-review-of-the-literature
#4
Mark A Davison, Derek M Norton, Andrew M Popoff, Christopher W Seder, Robert J March
A Dacron wrap aortoplasty has been described as an adjunct to reduction ascending aortoplasty for the repair of Type A aortic dissections. We report a case of an uncomplicated hemiarch repair with wrap aortoplasty of the distal anastomosis which resulted in severe acute hemolysis. Despite only minimal focal graft deformation on imaging, the patient was found to have a flow gradient across the distal anastomosis, which was reduced by > 50% following release of the outer graft wrap. To our knowledge, only 29 additional cases of hemolytic anemia following aortic dissection repair have been described in the English literature...
June 1, 2018: Vascular Medicine
https://www.readbyqxmd.com/read/29913190/neurochemical-changes-underlying-schizophrenia-related-behavior-in-a-modified-forced-swim-test-in-mice
#5
Monika Wożniak, Paulina Cieślik, Marcin Marciniak, Tomasz Lenda, Andrzej Pilc, Joanna M Wieronska
The modified forced swim test (MFST) has excellent predictive validity for investigating the antipsychotic activity of drugs, with particular emphasis on their activity toward negative symptoms of schizophrenia. However, its face and construct validity are less understood. Therefore, in the present study, some biochemical changes within GABAergic and serotonergic neurotransmission that could be related to observed MK-801-induced disturbances and the activity of compounds active at those neurotransmitters were investigated...
June 15, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29911480/safety-and-feasibility-of-intravascular-lithotripsy-for-treatment-of-below-the-knee-arterial-stenoses
#6
Marianne Brodmann, Andrew Holden, Thomas Zeller
PURPOSE: To evaluate the safety and feasibility of treating calcified infrapopliteal stenoses using an intravascular lithotripsy (IVL) system. METHODS: The Disrupt BTK study was a prospective, nonrandomized, multicenter, feasibility, and safety trial that enrolled 20 patients (mean age 79.0±9.6 years; 14 men) at 3 participating sites ( ClinicalTrials.gov identifier NCT02911623). Fifteen patients had Rutherford category 5 ischemia, and all patients had moderate to severe below-the-knee arterial calcification...
June 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29907912/temporary-epiphysiodesis-using-the-flextack%C3%A2-implant-tension-band-featuring-a-modified-explantation-technique
#7
REVIEW
S Koob, M Kehrer, M Hettchen, T Jansen, J Schmolders, R Placzek
OBJECTIVE: Presenting the implantation of the PediatrOS™ FlexTack™ (Merete, Berlin, Germany) for growth guidance and a modified explantation procedure to facilitate explantation and prevent bone and soft tissue damage. INDICATIONS: Implantation: Genua vara and valga, coxa vara, varus and valgus deviation of the ankle joint, the elbow joint and the wrist Modified Explantation: Removal of the implant after successful limb correction or dislocation of the implant...
June 15, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29905626/ulnar-nerve-injury-in-pediatric-midshaft-forearm-fractures-a-case-series
#8
Andrew E Federer, Joshua S Murphy, James H Calandruccio, Dennis P Devito, Scott H Kozin, Greg S Slappey, Gary M Lourie
OBJECTIVES: To describe a midshaft forearm fracture pattern that places the ulnar nerve at risk in the pediatric population and provide seven clinical case examples describing the injury pattern and treatment methods. DESIGN: Retrospective observational case series, review of literature, cadaver dissection, and treatment recommendations. SETTING: Multi-institutional, Southeast United States PATIENTS:: Seven pediatric patients (5 male, 2 female) with mean age of 8...
June 4, 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29904982/dissecting-the-evidence-on-aortic-catastrophe
#9
Robert R Ehrman, Mark J Favot, Adrienne Malik
Acute aortic dissection presents a diagnostic challenge for Emergency Physicians. Use of recently published "high-risk" features to identify patients as truly high-risk may lead to over-testing. This article is protected by copyright. All rights reserved.
June 14, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29904981/diagnosing-acute-aortic-dissection-both-an-artery-and-a-science
#10
Robert Ohle
Thank you very much for your interest in our paper. We agree that retrospective nature of this study in isolation does not provide proof of a hypothesis. However taken in context of the evidence as quoted in the paper and the new prospective trial by Nazerian et al, we believe it adds to the conversation that classically reported high risk features do in fact change the likelihood of acute aortic dissection. This article is protected by copyright. All rights reserved.
June 14, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29904459/unusual-presentation-of-spontaneous-coronary-artery-dissection-in-an-older-male
#11
Rajveer Joea, Sarah J Strube, Todd K Zynda
Spontaneous coronary artery dissection (SCAD) is a variant of acute coronary syndrome (ACS) that is poorly understood. SCAD has been linked to fibromuscular dysplasia (FMD), connective tissue disease (CTD), pregnancy and hormonal imbalance, systemic inflammatory conditions (e.g. IBD, vasculitis), and coronary artery vasospasm rather than traditional cardiac risk factors. Symptomology generally accompanying SCAD is indistinguishable from ACS making the timely recognition and diagnosis vital for prompt treatment...
June 2018: Cardiology Research
https://www.readbyqxmd.com/read/29904149/stress-peptides-sensitize-fear-circuitry-to-promote-passive-coping
#12
Pinelopi Pliota, Vincent Böhm, Florian Grössl, Johannes Griessner, Ornella Valenti, Klaus Kraitsy, Joanna Kaczanowska, Manuel Pasieka, Thomas Lendl, Jan M Deussing, Wulf Haubensak
Survival relies on optimizing behavioral responses through experience. Animals often react to acute stress by switching to passive behavioral responses when coping with environmental challenge. Despite recent advances in dissecting mammalian circuitry for Pavlovian fear, the neuronal basis underlying this form of non-Pavlovian anxiety-related behavioral plasticity remains poorly understood. Here, we report that aversive experience recruits the posterior paraventricular thalamus (PVT) and corticotropin-releasing hormone (CRH) and sensitizes a Pavlovian fear circuit to promote passive responding...
June 14, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29903350/acute-limited-intimal-tears-of-the-thoracic-aorta
#13
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/29898464/impact-of-different-aortic-entry-tear-sites-on-early-outcomes-and-long-term-survival-in-patients-with-stanford-a-acute-aortic-dissection
#14
Julia Merkle, Anton Sabashnikov, Antje Christin Deppe, Saskia Weber, Navid Mader, Yeong-Hoon Choi, Oliver Liakopoulos, Ferdinand Kuhn-Régnier, Thorsten Wahlers
BACKGROUND:  Stanford A acute aortic dissection (AAD) is a life-threatening emergency. The aim of this study was to compare the impact of three different aortic entry tear sites on early outcomes and long-term survival of patients with Stanford A AAD. METHODS:  From January 2006 to April 2015, a total of 240 consecutive patients with diagnosed Stanford A AAD underwent emergent, isolated surgical aortic repair in our center. Patients were divided into three groups comprising isolated ascending aorta, proximal aortic arch, and distal aortic arch entry tear site and were followed up for up to 9 years...
June 13, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29898143/predictors-of-outcomes-after-correction-of-acute-type-a-aortic-dissection-under-moderate-hypothermic-circulatory-arrest-and-antegrade-cerebral-perfusion
#15
George Samanidis, Charalampos Katselis, Constantinos Contrafouris, Georgios Georgiopoulos, Ioannis Kriaras, Theofani Antoniou, Konstantinos Perreas
INTRODUCTION: Hypothermic circulatory arrest is widely used for correction of acute type A aortic dissection pathology. We present our experience of 45 consecutive patients operated in our unit with bilateral antegrade cerebral perfusion and moderate hypothermic circulatory arrest. METHODS: Between January 2011 and April 2015, 45 consecutive patients were admitted for acute type A aortic dissection and operated emergently under moderate hypothermic circulatory arrest and bilateral antegrade cerebral perfusion...
March 2018: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29896040/endovascular-treatment-of-various-aortic-pathologies-review-of-the-latest-data-and-technologies
#16
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/29895380/the-sooner-the-better-early-strategies-of-peripheral-vascular-intervention-for-patients-with-acute-aortic-dissection-complicated-by-organ-malperfusion
#17
EDITORIAL
Yutaka Okita
No abstract text is available yet for this article.
April 12, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29893668/direct-cannulation-of-ascending-aorta-versus-standard-femoral-artery-cannulation-in-acute-aortic-dissection-type-a
#18
Vassil Gegouskov, Georgi Manchev, Vladimir Danov, Georgi Stoitsev, Sergey Iliev
BACKGROUND: During surgery for ascending aortic dissection, the dissected ascending aorta itself has traditionally been rejected as a cannulation option. The purpose of this study is to prove that direct cannulation of the ascending aorta in patients operated for acute aortic dissection type A (AADA) is at least as effective and safe as classic femoral cannulation. METHODS AND RESULTS: Between September 2008 and January 2015, we operated on 117 patients with AADA through median sternotomy...
April 30, 2018: Heart Surgery Forum
https://www.readbyqxmd.com/read/29893359/correlation-between-sex-and-prognosis-of-acute-aortic-dissection-in-the-chinese-population
#19
Yan-Jie Liu, Xiao-Zeng Wang, Ya Wang, Rui-Xia He, Lin Yang, Quan-Min Jing, Hai-Wei Liu
Background: The prevalence, presentation, management, and prognosis of coronary heart disease differ according to sex. Greater understanding on the differences between men and women with acute aortic dissection (AAD) is needed. We aimed to investigate whether sex disparities are found in patients with AAD, and to study sex differences in complications, mortality in-hospital, and long-term. Methods: We included 884 patients enrolled in our institute between June 2002 and May 2016...
June 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29891434/mid-term-outcomes-of-stent-assisted-balloon-induced-intimal-disruption-and-relamination-in-aortic-dissection-repair-stabilise-in-acute-type-b-aortic-dissection
#20
Elsa M Faure, Salma El Batti, Marwan Abou Rjeili, Pierre Julia, Jean-Marc Alsac
OBJECTIVES: This article reports mid-term results of 41 patients treated by the stent assisted balloon induced intimal disruption and relamination (STABILISE) technique for acute type B aortic dissection. METHODS: Between November 2011 and November 2017, 41 patients (10 male; median age 50 years) underwent proximal descending aortic stent grafting plus stent assisted balloon induced intimal disruption of the thoraco-abdominal aorta for acute type B aortic dissection...
June 8, 2018: European Journal of Vascular and Endovascular Surgery
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