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Aortic aneurysms

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https://www.readbyqxmd.com/read/28810647/limb-graft-occlusion-following-endovascular-aortic-repair-incidence-causes-treatment-and-prevention-in-a-study-cohort
#1
Guoquan Wang, Shuiting Zhai, Tianxiao Li, Xuan Li, Danghui Lu, Bo Wang, Dongbin Zhang, Shuaitao Shi, Zhidong Zhang, Kai Liang, Kewei Zhang, Xiaoyang Fu, Kun Li, Weixiao Li
The present study investigated the incidence, causes, treatment and prevention of limb graft occlusion following endovascular aortic repair (EVAR). A total of 66 cases of abdominal aortic aneurysm receiving EVAR at our department from January 2005 to December 2013 were enrolled. After EVAR, patients received routine antiplatelet therapy of 75 mg PLAVIX for 6 months and then 100 mg Aspirin for another 6 months by oral administration. According to previous clinical experiences, antiplatelet therapy is able to effectively reduce the incidence of iliac occlusion after EVAR...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810106/a-case-of-silent-q-fever-endocarditis
#2
Kashif Shaikh, Henry Travers, Amornpol Anuwatworn, Kalyan Potu, Brandy Pownell, Maria Stys, Adam Stys, Anoop Kumar
Q fever endocarditis is a rare, culture negative endocarditis caused by Coxiella burnetii, a spore-forming gram negative coccobacillus. Presenting symptoms can be very non-specific; thus, diagnosis may be delayed. We present a case of a 65-year-old male patient with history of aortic aneurysm who complained of chronic fatigue. He was found to have aortic valve vegetation on routine echocardiography. Q fever endocarditis was diagnosed based on elevated Q fever serology; there was absence of fever. This case illustrated a rare, under-recognized and atypical manifestation of Q fever endocarditis...
December 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28808955/exploring-the-biological-and-mechanical-properties-of-abdominal-aortic-aneurysms-using-uspio-mri-and-peak-tissue-stress-a-combined-clinical-and-finite-element-study
#3
Noel Conlisk, Rachael O Forsythe, Lyam Hollis, Barry J Doyle, Olivia M B McBride, Jennifer M J Robson, Chengjia Wang, Calum D Gray, Scott I K Semple, Tom MacGillivray, Edwin J R van Beek, David E Newby, Peter R Hoskins
Inflammation detected through the uptake of ultrasmall superparamagnetic particles of iron oxide (USPIO) on magnetic resonance imaging (MRI) and finite element (FE) modelling of tissue stress both hold potential in the assessment of abdominal aortic aneurysm (AAA) rupture risk. This study aimed to examine the spatial relationship between these two biomarkers. Patients (n = 50) > 40 years with AAA maximum diameters > = 40 mm underwent USPIO-enhanced MRI and computed tomography angiogram (CTA). USPIO uptake was compared with wall stress predictions from CTA-based patient-specific FE models of each aneurysm...
August 14, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28808903/clinical-outcomes-of-aortic-repair-in-young-adult-patients-with-acta2-mutations
#4
Yoshimasa Seike, Kenji Minatoya, Hiroaki Sasaki, Hiroshi Tanaka, Tatsuya Itonaga, Yosuke Inoue, Hiroko Morisaki, Takayuki Morisaki, Hatsue Ishibashi-Ueda, Junjiro Kobayashi
OBJECTIVES: Actin, alpha-2, smooth muscle, aorta (ACTA2) mutations are one of the major causes of familial thoracic aortic aneurysms and dissections. The aim of this study was to review our clinical results of young adult patients with aortic disease caused by ACTA2 mutations. METHODS: We reviewed the medical records of 251 patients (<50 years old) who underwent surgery for thoracic aortic diseases between 2004 and 2014. Among them, nine patients (3.5%) had ACTA2 mutations...
August 14, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28808899/sudden-cardiac-death-from-aortoesophageal-fistula-an-autopsy-case-report-of-a-rare-complication-of-thoracic-aortic-aneurysm
#5
Daniel Chan, Chris O'Donnell, Sarah Parsons
No abstract text is available yet for this article.
August 14, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28807385/external-validation-of-a-5-year-survival-prediction-model-after-elective-abdominal-aortic-aneurysm-repair
#6
Randall R DeMartino, Ying Huang, Jay Mandrekar, Philip P Goodney, Gustavo S Oderich, Manju Kalra, Thomas C Bower, Jack L Cronenwett, Peter Gloviczki
OBJECTIVE: The benefit of prophylactic repair of abdominal aortic aneurysms (AAAs) is based on the risk of rupture exceeding the risk of death from other comorbidities. The purpose of this study was to validate a 5-year survival prediction model for patients undergoing elective repair of asymptomatic AAA <6.5 cm to assist in optimal selection of patients. METHODS: All patients undergoing elective repair for asymptomatic AAA <6.5 cm (open or endovascular) from 2002 to 2011 were identified from a single institutional database (validation group)...
August 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28807384/external-validation-of-vascular-study-group-of-new-england-risk-predictive-model-of-mortality-after-elective-abdominal-aorta-aneurysm-repair-in-the-vascular-quality-initiative-and-comparison-against-established-models
#7
Mohammad H Eslami, Denis V Rybin, Gheorghe Doros, Jeffrey J Siracuse, Alik Farber
OBJECTIVE: The purpose of this study is to externally validate a recently reported Vascular Study Group of New England (VSGNE) risk predictive model of postoperative mortality after elective abdominal aortic aneurysm (AAA) repair and to compare its predictive ability across different patients' risk categories and against the established risk predictive models using the Vascular Quality Initiative (VQI) AAA sample. METHODS: The VQI AAA database (2010-2015) was queried for patients who underwent elective AAA repair...
August 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28807381/postoperative-initial-2-day-blood-pressure-management-facilitates-the-shrinkage-of-abdominal-aortic-aneurysm-after-endovascular-aneurysm-repair-by-reducing-the-incidence-of-type-ii-endoleak
#8
Shuhei Miura, Yoshihiko Kurimoto, Kosuke Ujihira, Yutaka Iba, Ryushi Maruyama, Akira Yamada, Masanori Nojima, Katsuhiko Nakanishi
OBJECTIVE: The aim of this study was to evaluate the effect of initial 2-day blood pressure management (BPM) after endovascular aneurysm repair (EVAR) for the incidence of subsequent type II endoleak (T2E) and shrinkage of abdominal aortic aneurysm (AAA) sac diameter. METHODS: We reviewed 136 patients who underwent EVAR for atherosclerotic AAA between July 2008 and July 2014 with one of three stent grafts (Excluder [W. L. Gore & Associates, Flagstaff, Ariz], Powerlink [Endologix Inc, Irvine, Calif], and Endurant [Medtronic Vascular, Santa Rosa, Calif])...
August 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28807354/pe%C3%A3-aloza-tranchesi-sign-secondary-to-ascending-aortic-aneurysm-and-not-due-to-right-atrium-enlargement
#9
Eduardo Cavalcanti Lapa Santos, Lurildo Ribeiro Saraiva, Brivaldo Markman, Andréa Bezerra Lordsleem, Sandro Gonçalves Lima, Mayara de Souza Vasconcelos, Edmilson Cardoso Dos Santos Filho, Arthur Cesário Holanda
Low QRS amplitude in V1, with relative three-to-fourfold or greater increase in V2, is considered an indirect sign of right atrium enlargement (Peñaloza-Tranchesi sign). We describe a patient with Peñaloza-Tranchesi sign caused by an ascending aortic aneurysm, with normalization of the QRS complex amplitude in V1 after aortic replacement.
July 12, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28805011/bicuspid-and-unicuspid-aortic-valves-different-phenotypes-of-the-same-disease-insight-from-the-gentac-registry
#10
Joseph M Krepp, Mary J Roman, Richard B Devereux, Adrienne Bruce, Siddharth K Prakash, Shaine A Morris, Dianna M Milewicz, Kathryn W Holmes, William Ravekes, Ralph V Shohet, Reed E Pyeritz, Cheryl L Maslen, Barbara L Kroner, Kim A Eagle, Liliana Preiss, Federico M Asch
BACKGROUND: Unicuspid aortic valve (UAV) is a rare disorder, often difficult to distinguish from bicuspid aortic valve (BAV). BAV and UAV share valve pathology such as the presence of a raphe, leaflet fusion, aortic stenosis, aortic regurgitation, and/or ascending aortic dilatation, but a comprehensive echocardiographic comparison of patients with UAV and BAV has not been previously performed. METHODS: We investigated UAV and BAV patients at an early stage of disease included in GenTAC, a national registry of genetically related aortic aneurysms and associated cardiac conditions...
August 14, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28803508/hybrid-repair-for-ascending-aortic-dissections-and-aneurysms
#11
Ralf Kolvenbach, Ziwei Gao, Ron Karmeli
No abstract text is available yet for this article.
August 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28803167/igg4-related-disease-a-new-etiology-underlying-diffuse-intracranial-dilating-vasculopathy
#12
Evan S Marlin, Davis Dornbos, Daniel S Ikeda, Norman L Lehman, Ciarán J Powers
BACKGROUND: Diffuse intracranial aneurysmal vasculopathy is a rare condition, previously described in patients with human immunodeficiency virus (HIV) infection. IgG4 related disease (IgG4-RD) is a recognized inflammatory disease of systemic organs, leading to fibrosis of connective tissues. It has also been linked to inflammatory dilating aortic aneurysms, coronary vascular disease, hypophysitis, orbital pseudotumor and pachymeningitis. It has not yet been described as a cause of diffuse intracranial dilating vasculopathy...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28802510/aortic-dilatation-associated-with-bicuspid-aortic-valve-relation-to-sex-hemodynamics-and-valve-morphology-the-national-heart-lung-and-blood-institute-sponsored-national-registry-of-genetically-triggered-thoracic-aortic-aneurysms-and-cardiovascular-conditions
#13
Mary J Roman, Norma L Pugh, Richard B Devereux, Kim A Eagle, Kathryn Holmes, Scott A LeMaire, Rita K Milewski, Shaine A Morris, Siddharth K Prakash, Reed E Pyeritz, William J Ravekes, Ralph V Shohet, Howard K Song, Federico M Asch
This study analyzed the impact of sex, hemodynamic profile, and valve fusion pattern on aortopathy associated with bicuspid aortic valve (BAV). The National Heart Lung and Blood Institute-sponsored National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions (GenTAC) provided comprehensive information on a large population of well-characterized patients with BAV. Of 969 enrolled patients with BAV, 551 (57%, 77% male) had already undergone valvular and/or aortic surgery...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28802250/a-population-based-study-of-abdominal-aortic-aneurysm-treatment-in-finland-2000-2014
#14
Matti T Laine, Sani J Laukontaus, Reijo Sund, Pekka S Aho, Ilkka Kantonen, Anders Albäck, Maarit Venermo
Background -In the event of rupture of an abdominal aortic aneurysm (AAA), mortality is very high. AAA prevalence and incidence of ruptures has been reported to be decreasing. The treatment of AAA has also undergone a change in recent decades with a shift towards endovascular aneurysm repair (EVAR). Our aim was to evaluate how these changes have affected the elective and emergency treatment of AAA and their results in Finland. Methods -All patients treated for AAA in Finland, a country with a population of 5...
August 11, 2017: Circulation
https://www.readbyqxmd.com/read/28800994/perioperative-management-of-endovascular-thoracoabdominal-aortic-aneurysm-repair
#15
REVIEW
Alexander C P Fort, Lori A Rubin, Andrew J Meltzer, Darren B Schneider, Adam D Lichtman
No abstract text is available yet for this article.
August 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28800983/gastrointestinal-complications-after-cardiac-surgery-a-nationwide-population-based-analysis-of-morbidity-and-mortality-predictors
#16
Rabail Chaudhry, John Zaki, Robert Wegner, Greesha Pednekar, Alex Tse, Roy Sheinbaum, George W Williams
OBJECTIVE: The authors aimed to evaluate the incidence, risk factors, and outcomes of gastrointestinal (GI) complications in cardiac and aortic surgery using recent versions of the National (Nationwide) Inpatient Sample (NIS) to provide clinicians with a better understanding of these uncommon but potentially serious complications. DESIGN: Population-based study. SETTING: NIS database 2010-2012. PARTICIPANTS: Patients undergoing cardiac and aortic aneurysm repair surgeries...
August 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28799316/mirror-aneurysm-with-right-frontal-ich-in-a-patient-with-osteogenesis-imperfecta
#17
Vijay Sardana, Sumit Kamble, Sunil K Sharma, Dilip Maheshwari, Bharat Bhushan
Osteogenesis imperfecta (OI) is a heterogeneous group of inherited disorders that occur owing to the abnormalities in type 1 collagen, and is characterized by increased bone fragility and other extraskeletal manifestations. OI may be associated with vascular complications such as aortic and cervical artery dissection, carotid cavernous fistula, and coronary artery aneurysms but unlike other connective tissue diseases, the cerebrovascular system is less frequently involved. We report rare case of 50 year female patient who was diagnosed with OI following right frontal haemorrhage secondary to a ruptured middle cerebral artery mirror aneurysm...
August 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28798988/hemodynamic-assessments-of-the-ascending-thoracic-aortic-aneurysm-using-fluid-structure-interaction-approach
#18
Han Hung Yeh, Simon W Rabkin, Dana Grecov
Current assessment and management of ascending thoracic aortic aneurysm (ATAA) rely heavily on the diameter of the ATAA and blood pressure rather than biomechanical and hemodynamic parameters such as arterial wall deformation or wall shear stress. The objective of the current study was to develop an accurate computational method for modeling the mechanical responses of the ATAA to provide additional information in patient evaluations. Fully coupled fluid structure interaction simulations were conducted using data from cases with ATAA with measured geometrical parameters in order to evaluate and analyze the change in biomechanical responses under normotensive and hypertensive conditions...
August 11, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28796436/the-impact-of-personalized-probabilistic-wall-thickness-models-on-peak-wall-stress-in-abdominal-aortic-aneurysms
#19
J Biehler, W A Wall
If computational models are ever to be used in high stakes decision making in clinical practice, the use of personalized models and predictive simulation techniques is a must. This entails rigorous quantification of uncertainties as well as harnessing available patient-specific data to the greatest extent possible. Although researcher are beginning to realize that taking uncertainty in model input parameters into account is a necessity, the predominantly used probabilistic description for these uncertain parameters are based on elementary random variable models...
August 10, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28795978/update-on-bicuspid-aortic-valve-aortopathy
#20
Evaldas Girdauskas, Johannes Petersen
PURPOSE OF REVIEW: The appropriate treatment of bicuspid aortic valve (BAV)-associated aortopathy is still controversial. We aimed to summarize recent evidence from the literature that focused on the prediction of aortopathy progression and adverse aortic events. RECENT FINDINGS: Following the detailed description of valvulo-aortic phenotypes in BAV disease in the previous imaging studies, the most current research focused on the definition of hemodynamic markers that may affect the progression of BAV-associated aortopathy and search for blood-born biomarkers to improve the prediction of adverse aortic events...
August 8, 2017: Current Opinion in Cardiology
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