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Cardiovascular tomography

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https://www.readbyqxmd.com/read/28315622/subclinical-atherosclerosis-statin-eligibility-and-outcomes-in-african-american-individuals-the-jackson-heart-study
#1
Ravi V Shah, Aferdita Spahillari, Stanford Mwasongwe, J Jeffrey Carr, James G Terry, Robert J Mentz, Daniel Addison, Udo Hoffmann, Jared Reis, Jane E Freedman, Joao A C Lima, Adolfo Correa, Venkatesh L Murthy
Importance: Modern prevention guidelines substantially increase the number of individuals who are eligible for treatment with statins. Efforts to refine statin eligibility via coronary calcification have been studied in white populations but not, to our knowledge, in large African American populations. Objective: To compare the relative accuracy of US Preventive Services Task Force (USPSTF) and American College of Cardiology/American Heart Association (ACC/AHA) recommendations in identifying African American individuals with subclinical and clinical atherosclerotic cardiovascular disease (ASCVD)...
March 18, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28315007/central-obesity-and-risks-of-cardiovascular-events-and-mortality-in-prevalent-hemodialysis-patients
#2
Heba Wahid El Said, Osama Mahmoud Mohamed, Tamer Wahid El Said, Ahmed Bahaa El Serwi
BACKGROUND: To date, no attempt has been made to assess the best anthropometric method for defining abdominal adiposity in hemodialysis (HD) patients or to determine whether the quantity of intra-abdominal fat relates to morbidity and mortality in that population. We aimed to describe the prevalence of central obesity in HD patients and to investigate the relationship between central obesity assessed by anthropometric variables, and composite outcomes, cardiovascular morbidity and mortality among HD patients and whether this parameter correlates with intra-abdominal fat assessed by computed tomography scan (CT scan)...
March 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28306696/n-terminal-fragment-of-b-type-natriuretic-peptide-predicts-coexisting-subclinical-heart-and-vessel-disease
#3
Luigi E Pastormerlo, Stefano Maffei, Daniele Della Latta, Vladislav Chubuchny, Carla Susini, Sergio Berti, Concetta Prontera, Simona Storti, Claudio Passino, Emilio Pasanisi, Michele Emdin, Dante Chiappino
BACKGROUND: Identification of preclinical cardiovascular disease represents a challenge. We evaluate N-terminal proB-type natriuretic peptides (NT-proBNP) as markers of both cardiac and vascular subclinical disease in a community-based study including asymptomatic middle- aged study participants. METHODS AND RESULTS: In total, 807 study participants without previous cardiovascular disease were recruited. They underwent thorough laboratory assessment (including NT-proBNP), ultrasound examination of heart and evaluation of coronary calcium score and carotid intima-media thickness, by computed tomography and ultrasound, respectively...
March 16, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28306335/prognostic-value-of-normal-positron-emission-tomography-myocardial-perfusion-imaging-in-patients-with-known-or-suspected-coronary-artery-disease-a-meta-analysis
#4
A'Di Chen, HaoSen Wang, Bing Fan, YaWei Xu, Wei Chen, Neng Dai
OBJECTIVE: Several studies have confirmed high diagnostic performance of positron emission tomography (PET) myocardial perfusion imaging (MPI) in patients with known or suspected coronary artery disease (CAD). However, whether the superior diagnostic accuracy could translate into improved mortality outcomes remains unknown. The aim of this study was to define the prognostic value of normal PET MPI. METHODS: PubMed and EMBASE were searched to identify related studies up to June 2016...
March 17, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28303063/a-case-report-of-idiopathic-iliopsoas-hematoma-which-occurred-soon-after-transfer-to-the-wheelchair-after-total-hip-arthroplasty
#5
Tomoo Okumura, Hiroshi Fujita, Hideto Harada, Ryuuichi Nishimura, Tomohiro Tominaga
A 79-year-old woman was diagnosed with osteoarthritis of the left hip and scheduled for total hip arthroplasty. As two lesions were detected in branches of the coronary arteries, she was treated with catheter treatment. The patient was receiving anticoagulant treatment, which was suspended eight days before the operation; however, heparin was started at 6 days before the operation and was stopped 9 hours before the operation. On the 2nd postoperative day soon after transfer to the wheel chair, she was feeling unwell and was suffering from severe pain in her left buttock and left thigh...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28302744/noninvasive-imaging-in-adult-congenital-heart-disease
#6
Luke J Burchill, Jennifer Huang, Justin T Tretter, Abigail M Khan, Andrew M Crean, Gruschen R Veldtman, Sanjiv Kaul, Craig S Broberg
Multimodality cardiovascular imaging plays a central role in caring for patients with congenital heart disease (CHD). CHD clinicians and scientists are interested not only in cardiac morphology but also in the maladaptive ventricular responses and extracellular changes predisposing to adverse outcomes in this population. Expertise in the applications, strengths, and pitfalls of these cardiovascular imaging techniques as they relate to CHD is essential. The purpose of this article is to provide an overview of cardiovascular imaging in CHD...
March 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28302592/spectral-detector-ct-for-cardiovascular-applications
#7
Prabhakar Rajiah, Suhny Abbara, Sandra Simon Halliburton
Spectral detector computed tomography (SDCT) is a novel technology that uses two layers of detectors to simultaneously collect low and high energy data. Spectral data is used to generate conventional polyenergetic images as well as dedicated spectral images including virtual monoenergetic and material composition (iodine-only, virtual unenhanced, effective atomic number) images. This paper provides an overview of SDCT technology and a description of some spectral image types. The potential utility of SDCT for cardiovascular imaging and the impact of this new technology on radiation and contrast dose are discussed through presentation of initial patient studies performed on a SDCT scanner...
March 17, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28300293/coronary-artery-calcification-is-common-on-nongated-chest-computed-tomography-imaging
#8
Revathi Balakrishnan, Brian Nguyen, Roy Raad, Robert Donnino, David P Naidich, Jill E Jacobs, Harmony R Reynolds
BACKGROUND: Coronary artery calcification as assessed by computed tomography (CT) is a validated predictor of cardiovascular risk, whether identified on a dedicated cardiac study or on a routine non-gated chest CT. The prevalence of incidentally detected coronary artery calcification on non-gated chest CT imaging and consistency of reporting have not been well characterized. HYPOTHESIS: Coronary calcification is present on chest CT in some patients not taking statin therapy and may be under-reported...
March 16, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28295944/paracentral-acute-middle-maculopathy-as-a-finding-in-patients-with-severe-vision-loss-following-phacoemulsification-cataract-surgery
#9
Katarina Creese, Daini Ong, Sukhpal S Sandhu, David Ware, C Alex Harper, Salmaan H Al-Qureshi, Sanjeewa S Wickremasinghe
IMPORTANCE: Paracentral acute middle maculopathy (PAMM) as diagnosed by spectral domain optical coherence tomography (SD-OCT) may be associated with "patch off" visual loss post cataract surgery. BACKGROUND: To report a case series of severe vision loss due to PAMM after cataract surgery DESIGN: Retrospective case series. PARTICIPANTS: Cases from five surgical centres (public and private) in Victoria, Australia. METHODS: Retrospective analysis of cases with unexplained "patch-off" vision loss post cataract surgery...
March 13, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28292859/-18-f-fluoride-and-18-f-fluorodeoxyglucose-positron-emission-tomography-after-transient-ischemic-attack-or-minor-ischemic-stroke-case-control-study
#10
Alex T Vesey, William S A Jenkins, Agnese Irkle, Alastair Moss, Greg Sng, Rachael O Forsythe, Tim Clark, Gemma Roberts, Alison Fletcher, Christophe Lucatelli, James H F Rudd, Anthony P Davenport, Nicholas L Mills, Rustam Al-Shahi Salman, Martin Dennis, William N Whiteley, Edwin J R van Beek, Marc R Dweck, David E Newby
BACKGROUND: Combined positron emission tomography (PET) and computed tomography (CT) can assess both anatomy and biology of carotid atherosclerosis. We sought to assess whether (18)F-fluoride or (18)F-fluorodeoxyglucose can identify culprit and high-risk carotid plaque. METHODS AND RESULTS: We performed (18)F-fluoride and (18)F-fluorodeoxyglucose PET/CT in 26 patients after recent transient ischemic attack or minor ischemic stroke: 18 patients with culprit carotid stenosis awaiting carotid endarterectomy and 8 controls without culprit carotid atheroma...
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28292858/predictive-value-of-age-and-sex-specific-nomograms-of-global-plaque-burden-on-coronary-computed-tomography-angiography-for-major-cardiac-events
#11
Christopher Naoum, Daniel S Berman, Amir Ahmadi, Philipp Blanke, Heidi Gransar, Jagat Narula, Leslee J Shaw, Leonard Kritharides, Stephan Achenbach, Mouaz H Al-Mallah, Daniele Andreini, Matthew J Budoff, Filippo Cademartiri, Tracy Q Callister, Hyuk-Jae Chang, Kavitha Chinnaiyan, Benjamin Chow, Ricardo C Cury, Augustin DeLago, Allison Dunning, Gudrun Feuchtner, Martin Hadamitzky, Joerg Hausleiter, Philipp A Kaufmann, Yong-Jin Kim, Erica Maffei, Hugo Marquez, Gianluca Pontone, Gilbert Raff, Ronen Rubinshtein, Todd C Villines, James Min, Jonathon Leipsic
BACKGROUND: Age-adjusted coronary artery disease (CAD) burden identified on coronary computed tomography angiography predicts major adverse cardiovascular event (MACE) risk; however, it seldom contributes to clinical decision making because of a lack of nomographic data. We aimed to develop clinically pragmatic age- and sex-specific nomograms of CAD burden using coronary computed tomography angiography and to validate their prognostic use. METHODS AND RESULTS: Patients prospectively enrolled in phase I of the CONFIRM registry (Coronary CT Angiography Evaluation for Clinical Outcomes) were included (derivation cohort: n=21,132; 46% female) to develop CAD nomograms based on age-sex percentiles of segment involvement score (SIS) at each year of life (40-79 years)...
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28291779/echocardiographic-diagnosis-of-rare-pathological-patterns-of-sinus-of-valsalva-aneurysm
#12
Yali Yang, Li Zhang, Xinfang Wang, Qing Lü, Lin He, Jing Wang, Bin Wang, Ling Li, Li Yuan, Jinfeng Liu, Shuping Ge, Mingxing Xie
OBJECTIVE: To evaluate the value and improve the diagnostic accuracy of echocardiography in the diagnosis of a sinus of Valsalva aneurysm (SVA) with rare pathological patterns. METHODS: Echocardiographic features and surgical findings from 270 Chinese patients with SVA treated in the last 18 years (1995-2013) at the Union Hospital were compared retrospectively; 22 of 270 cases had rare patterns. RESULTS: The patients with SVA, a rare origin, a rare extending position, or a rare course accounted for 3...
2017: PloS One
https://www.readbyqxmd.com/read/28291663/acc-aats-aha-ase-asnc-scai-scct-sts-2017-appropriate-use-criteria-for-coronary-revascularization-in-patients-with%C3%A2-stable-ischemic-heart%C3%A2-disease-a-report-of-the-american-college-of-cardiology-appropriate-use-criteria-task-force-american-association-for-thoracic
#13
https://www.readbyqxmd.com/read/28290782/prognostic-value-of-combined-ct-angiography-and-myocardial-perfusion-imaging-versus-invasive-coronary-angiography-and-nuclear-stress-perfusion-imaging-in-the-prediction-of-major-adverse-cardiovascular-events-the-core320-multicenter-study
#14
Marcus Y Chen, Carlos E Rochitte, Armin Arbab-Zadeh, Marc Dewey, Richard T George, Julie M Miller, Hiroyuki Niinuma, Kunihiro Yoshioka, Kakuya Kitagawa, Hajime Sakuma, Roger Laham, Andrea L Vavere, Rodrigo J Cerci, Vishal C Mehra, Cesar Nomura, Klaus F Kofoed, Masahiro Jinzaki, Sachio Kuribayashi, Arthur J Scholte, Michael Laule, Swee Yaw Tan, John Hoe, Narinder Paul, Frank J Rybicki, Jeffrey A Brinker, Andrew E Arai, Matthew B Matheson, Christopher Cox, Melvin E Clouse, Marcelo F Di Carli, João A C Lima
Purpose To compare the prognostic importance (time to major adverse cardiovascular event [MACE]) of combined computed tomography (CT) angiography and CT myocardial stress perfusion imaging with that of combined invasive coronary angiography (ICA) and stress single photon emission CT myocardial perfusion imaging. Materials and Methods This study was approved by all institutional review boards, and written informed consent was obtained. Between November 2009 and July 2011, 381 participants clinically referred for ICA and aged 45-85 years were enrolled in the Combined Noninvasive Coronary Angiography and Myocardial Perfusion Imaging Using 320-Detector Row Computed Tomography (CORE320) prospective multicenter diagnostic study...
March 14, 2017: Radiology
https://www.readbyqxmd.com/read/28287072/radiation-dose-reduction-comparative-assessment-of-publication-volume-between-interventional-and-diagnostic-radiology
#15
Jan Hansmann, Thomas Henzler, Ron C Gaba, John N Morelli
PURPOSE: We aimed to quantify and compare awareness regarding radiation dose reduction within the interventional radiology and diagnostic radiology communities. METHODS: Abstracts accepted to the annual meetings of the Society of Interventional Radiology (SIR), the Cardiovascular and Interventional Radiological Society of Europe (CIRSE), the Radiological Society of North America (RSNA), and the European Congress of Radiology (ECR) between 2005 and 2015 were analyzed using the search terms "interventional/computed tomography" and "radiation dose/radiation dose reduction"...
March 13, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28283309/clinical-indications-for-coronary-artery-calcium-scoring-in-asymptomatic-patients-expert-consensus-statement-from-the-society-of-cardiovascular-computed-tomography
#16
Harvey Hecht, Michael J Blaha, Daniel S Berman, Khurram Nasir, Matthew Budoff, Jonathon Leipsic, Ron Blankstein, Jagat Narula, John Rumberger, Leslee J Shaw
This expert consensus statement summarizes the available data regarding the prognostic value of CAC in the asymptomatic population and its ability to refine individual risk prediction, addresses the limitations identified in the current traditional risk factor-based treatment strategies recommended by the 2013 ACC/AHA Prevention guidelines including use of the Pooled Cohort Equations (PCE), and the US Preventive Services Task Force (USPSTF) Recommendation Statement for Statin Use for the Primary Prevention of Cardiovascular Disease in Adults...
February 24, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28281732/utilisation-of-three-dimensional-printed-heart-models-for-operative-planning-of-complex-congenital-heart-defects
#17
Peter Olejník, Matej Nosal, Tomas Havran, Adriana Furdova, Maros Cizmar, Michal Slabej, Andrej Thurzo, Pavol Vitovic, Martin Klvac, Tibor Acel, Jozef Masura
BACKGROUND: To evaluate the accuracy of the three-dimensional printing of cardiovascular structures.To explore whether utilization of three-dimensional printed heart replicas can improve surgical and catheter interventional planning in patients with complex congenital heart defects. METHODS: Between December 2014 and November 2015, we fabricated n=8 cardiovascular models based on computed tomography data in patients with complex spatial anatomical relationships of cardiovascular structures...
March 10, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28280728/the-neutrophil-lymphocyte-ratio-is-associated-with-coronary-artery-calcification-in-asymptomatic-korean-males-a-cross-sectional-study
#18
Su-Hyun Nam, Sung-Goo Kang, Sang-Wook Song
Introduction. The neutrophil-lymphocyte ratio (NLR) is a significant systemic predictor of cardiovascular disease (CVD). The coronary artery calcium score (CACS) reflects coronary artery calcification and is an independent risk factor for coronary artery stenosis. In the present study, we explored the relationship between the NLR and CACS in terms of subclinical inflammation and coronary artery calcification. Materials and Methods. We evaluated males and females who did not have CVD, diabetes, high blood pressure, or high fasting blood sugar levels...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28279831/inverse-relationship-between-the-body-mass-index-and-severity-of-carotid-siphon-calcifications-another-obesity-paradox-results-from-the-atahualpa-project
#19
Oscar H Del Brutto, Robertino M Mera
BACKGROUND AND AIMS: The importance of the obesity paradox in the intracranial vasculature has not been explored. We assessed whether the body mass index (BMI) correlates with severity of carotid siphon calcifications (CSC) in community-dwelling adults. METHODS: Using a population-based study design, Atahualpa residents aged ≥40 years underwent head computed tomography (CT) for assessment of CSC. We evaluated the association between BMI and severity of CSC (dependent variable) using regression models adjusted for demographics and cardiovascular risk factors...
February 27, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28279438/relation-of-epicardial-adipose-tissue-radiodensity-to-coronary-artery-calcium-on-cardiac-computed-tomography-in-patients-at-high-risk-for-cardiovascular-disease
#20
Bas T Franssens, Hendrik M Nathoe, Frank L J Visseren, Yolanda van der Graaf, Tim Leiner
Adipose tissue radiodensity detected by computed tomography (CT) is hypothesized to be associated with differences in adipose tissue composition which may contribute to the development of coronary atherosclerosis independent of epicardial adipose tissue volume. The aim of the present study is to quantify the relation between epicardial adipose tissue radiodensity and presence, distribution, and density of coronary artery calcium (CAC) in patients at high risk for cardiovascular disease. A total of 140 patients of the Secondary Manifestations of ARTerial disease (SMART) study underwent cardiac-CT angiography...
February 11, 2017: American Journal of Cardiology
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