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cardiovascular computed tomography

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https://www.readbyqxmd.com/read/29774379/-agenesis-of-the-corpus-callosum
#1
REVIEW
J M Lieb, F J Ahlhelm
CLINICAL ISSUE: Agenesis of the corpus callosum is reported to have an incidence of about 1:4000 live births. In 30-45% of cases, genetic etiologies can be identified, e. g., 10% chromosomal anomalies and 20-35% genetic syndromes. Environmental factors like fetal alcohol syndrome are also known to be prone to callosal agenesis. Callosal agenesis can be complete or partial and can be isolated or associated with other central nervous system (CNS) anomalies (e. g., cortical developmental disorders, callosal lipoma, intracranial cysts) or extra-CNS anomalies (e...
May 17, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29768322/lung-cancer-screening-ct-based-coronary-artery-calcification-in-predicting-cardiovascular-events-a-systematic-review-and-meta-analysis
#2
Lili Fan, Kaikai Fan
BACKGROUND: Coronary artery calcificition (CAC) is a well-established predictor of cardiovascular events (CVEs). We aimed to evaluate whether lung cancer screening computed tomography (CT)-based CAC score has a good cost-effectiveness for predicting CVEs in heavy smokers. METHODS: A literature search was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Pubmed, EMBASE, and Cochrane library databases were systematically searched for relevant studies that investigated the association between lung cancer screening CT-based CAC and CVEs up to December 31, 2017...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29766313/correction-to-long-term-prognostic-value-of-coronary-computed-tomography-angiography
#3
Takor B Arrey-Mbi, Seth M Klusewitz, Todd C Villines
The authors would like to note that this article published in Current Treatment Options in Cardiovascular Medicine journal is not showing Open Access on the website. Thus, the paper is still not available for free online.
May 16, 2018: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29760475/computed-tomography-for-evaluating-right-ventricle-and-pulmonary-artery-in-pediatric-tetralogy-of-fallot-correlation-with-post-operative-pulmonary-regurgitation
#4
Yue Gao, Zhi-Gang Yang, Ke Shi, Kai-Yue Diao, Hua-Yan Xu, Ying-Kun Guo
Pulmonary regurgitation (PR) is the most common complication after tetralogy of Fallot (TOF) surgical repair, and long-term PR might result in cardiovascular events. The aim of this study was to assess the influence of pre-operative right ventricle (RV) and pulmonary artery (PA) parameters assessed by dual-source computed tomography on post-operative PR. A total of 41 TOF patients who underwent trans-valve surgical repair were retrospectively recruited. The RV and PA parameters evaluated by pre-operative DSCT were compared between the PR and non-PR groups...
May 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29754806/machine-learning-in-cardiac-ct-basic-concepts-and-contemporary-data
#5
REVIEW
Gurpreet Singh, Subhi J Al'Aref, Marly Van Assen, Timothy Suyong Kim, Alexander van Rosendael, Kranthi K Kolli, Aeshita Dwivedi, Gabriel Maliakal, Mohit Pandey, Jing Wang, Virginie Do, Manasa Gummalla, Carlo N De Cecco, James K Min
Propelled by the synergy of the groundbreaking advancements in the ability to analyze high-dimensional datasets and the increasing availability of imaging and clinical data, machine learning (ML) is poised to transform the practice of cardiovascular medicine. Owing to the growing body of literature validating both the diagnostic performance as well as the prognostic implications of anatomic and physiologic findings, coronary computed tomography angiography (CCTA) is now a well-established non-invasive modality for the assessment of cardiovascular disease...
April 30, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29752657/increased-adiponectin-is-associated-with-cerebral-white-matter-lesions-in-the-elderly-with-cognitive-impairment
#6
Youshi Fujita, Takashi Toyomoto, Tomomi Sakoh-Goshima, Yutaka Kohno, Masafumi Okada, Tadanori Hamano, Yasunari Nakamoto
Adiponectin is an adipocyte-derived peptide that increases with age and is thought to protect against atherosclerotic vascular changes and organ damage. However, paradoxically, higher adiponectin levels are associated with increased risk for cardiovascular events and mortality. We investigated whether this adiponectin paradox occurs in elderly people with cognitive impairment. Fifty-two elderly participants with mild cognitive impairment or dementia (20 male and 32 female, aged 60-93 years, mean 80.0) were recruited...
May 11, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29747617/pheochromocytoma-as-a-rare-cause-of-hypertension-in-a-46-x-i-x-q10-turner-syndrome-a-case-report-and-literature-review
#7
Ji Yeon Shin, Bo Hyun Kim, Young Keum Kim, Tae Hwa Kim, Eun Heui Kim, Min Jin Lee, Jong Ho Kim, Yun Kyung Jeon, Sang Soo Kim, In Joo Kim
BACKGROUND: Cardiovascular disease (CVD) presents the most serious health problems and contributes to the increased mortality in young women with Turner syndrome. Arterial hypertension in Turner syndrome patients is significantly more prevalent than that in a general age-matched control group. The aetiology of hypertension in Turner syndrome varies, even in the absence of cardiac anomalies and obvious structural renal abnormalities. Pheochromocytoma is an extremely rare cause among various etiologies for hypertension in patients with Turner syndrome...
May 10, 2018: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/29743417/impact-of-indoxyl-sulfate-on-coronary-plaques-in-patients-on-hemodialysis
#8
Masahiko Asami, Kengo Tanabe, Shunsuke Ito, Eri Yoshida, Jiro Aoki, Shuzou Tanimoto, Yu Horiuchi, Masayuki Yoshida
Serum indoxyl sulfate (IS; a uremic toxin) levels, which are significantly higher in patients with chronic kidney disease, including those undergoing hemodialysis, than in the robust, are associated with both cardiovascular disease (CVD) and CVD-related mortality. Furthermore, coronary artery calcium (CAC) is an independent predictor of cardiovascular events in patients undergoing hemodialysis. This study aimed to interpret the association between serum IS levels and coronary plaque burden (CPB) or CAC.A total of 30 consecutive patients on hemodialysis, who underwent 320-row coronary multidetector computed tomography (MDCT) angiography for suspected coronary artery disease, were enrolled in this prospective study...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29739728/congenital-cardiovascular-computed-tomography-taking-the-long-view
#9
EDITORIAL
Saurabh Rajpal, Subha V Raman
No abstract text is available yet for this article.
May 2, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29736853/is-mri-equivalent-to-ct-in-the-guidance-of-tavr-a-pilot-study
#10
Agnes Mayr, Gert Klug, Sebastian J Reinstadler, Hans-Josef Feistritzer, Martin Reindl, Christian Kremser, Christof Kranewitter, Nikolaos Bonaros, Guy Friedrich, Gudrun Feuchtner, Bernhard Metzler
OBJECTIVES: To compare a comprehensive cardiovascular magnetic resonance imaging (MRI) protocol with contrast-enhanced computed tomography angiography (CTA) for guidance in transcatheter aortic valve replacement (TAVR) evaluation. METHODS AND RESULTS: Non-contrast three-dimensional (3D) 'whole heart' MRI imaging for aortic annulus sizing and measurements of coronary ostia heights, contrast-enhanced MRI angiography (MRA) for evaluation of transfemoral routes as well as aortoiliofemoral-CTA were performed in 16 patients referred for evaluation of TAVR...
May 7, 2018: European Radiology
https://www.readbyqxmd.com/read/29735791/vitamin-d-deficiency-is-not-associated-with-fatty-liver-in-a-mexican-population
#11
Fabiola López-Bautista, Carlos Posadas-Romero, Luz Y Ruiz-Vargas, Guillermo Cardoso-Saldaña, Juan G Juárez-Rojas, Aida Medina-Urrutia, Nonanzit Pérez-Hernández, José M Rodríguez-Pérez, Gilberto Vargas-Alarcón, Rosalinda Posadas-Sánchez
INTRODUCTION AND AIM: Association of vitamin D deficiency (VDD) with fatty liver (FL) disease is controversial. The purpose of this study was to analyze the association of VDD with FL. MATERIAL AND METHODS: Cross-sectional study. Data on cardiovascular risk factors, medications, alcohol intake, smoking, diet, and physical activity were obtained. Biochemical, anthropometric, and blood pressure variables were measured. The 25-hydroxyvitamin D (25(OH)D) was quantified through chemoluminescence...
April 9, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29734173/soluble-urokinase-plasminogen-activator-receptor-is-associated-with-coronary-artery-calcification-and-cardiovascular-disease-in-patients-undergoing-hemodialysis
#12
Wenjuan Wu, Yanhai Cui, Juan Hu, Ruyi Liao, Sijia Li, Liyi Mo, Lixia Xu, Yuanhan Chen, Zhiwen Lian, Xiulan Tian, Zhuo Li, Ruizhao Li, Li Zhang, Huaban Liang, Jianchao Ma, Ting Lin, Zhonglin Feng, Wei Dong, Guibao Ke, Pingjiang Ge, Zhiming Ye, Wenjiang Wang, Bing Zhang, Wei Shi, Xinling Liang, Shuangxin Liu
BACKGROUND/AIMS: Cardiovascular disease (CVD) is an important cause of morbidity and mortality in hemodialysis patients. Vascular calcification is thought to play an important role in causing CVD. Soluble urokinase plasminogen activator receptor (suPAR) is a biomarker strongly predictive of cardiovascular outcomes in the pathogenesis of diabetic patients with renal disease treated with hemodialysis. We investigated the relationship between suPAR and coronary artery calcification (CAC) in patients undergoing maintenance hemodialysis...
May 3, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29724584/stereotactic-body-radiation-therapy-for-heart-base-tumors-in-six-dogs
#13
L M Magestro, T L Gieger, M W Nolan
INTRODUCTION: Heart-base tumors are increasingly treated with radiotherapy, yet safety and efficacy are incompletely understood. This case series describes outcomes after stereotactic body radiation therapy (SBRT) for presumed chemodectoma. ANIMALS: Six pet dogs. METHODS: A retrospective study was performed, including dogs with a clinical diagnosis of chemodectoma and treatment with three-fraction SBRT (30 Gy total). RESULTS: Heart-base tumors, presumed or confirmed to be chemodectomas, were diagnosed via histopathology or imaging...
April 30, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29723329/atherosclerotic-plaque-in-patients-with-zero-calcium-score-at-coronary-computed-tomography-angiography
#14
Fabíola Santos Gabriel, Luiz Flávio Galvão Gonçalves, Enaldo Vieira de Melo, Antônio Carlos Sobral Sousa, Ibraim Masciarelli Francisco Pinto, Sara Melo Macedo Santana, Carlos José Oliveira de Matos, Maria Júlia Silveira Souto, Flávio Mateus do Sacramento Conceição, Joselina Luzia Menezes Oliveira
BACKGROUND: In view of the high mortality for cardiovascular diseases, it has become necessary to stratify the main risk factors and to choose the correct diagnostic modality. Studies have demonstrated that a zero calcium score (CS) is characteristic of a low risk for cardiovascular events. However, the prevalence of individuals with coronary atherosclerotic plaques and zero CS is conflicting in the specialized literature. OBJECTIVE: To evaluate the frequency of patients with coronary atherosclerotic plaques, their degree of obstruction and associated factors in patients with zero CS and indication for coronary computed tomography angiography (CCTA)...
May 3, 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29720565/implementation-of-a-cardiac-pet-stress-program-comparison-of-outcomes-to-the-preceding-spect-era
#15
Stacey Knight, David B Min, Viet T Le, Kent G Meredith, Ritesh Dhar, Santanu Biswas, Kurt R Jensen, Steven M Mason, Jon-David Ethington, Donald L Lappe, Joseph B Muhlestein, Jeffrey L Anderson, Kirk U Knowlton
BACKGROUND: Cardiac positron emission testing (PET) is more accurate than single photon emission computed tomography (SPECT) at identifying coronary artery disease (CAD); however, the 2 modalities have not been thoroughly compared in a real-world setting. We conducted a retrospective analysis of 60-day catheterization outcomes and 1-year major adverse cardiovascular events (MACE) after the transition from a SPECT- to a PET-based myocardial perfusion imaging (MPI) program. METHODS: MPI patients at Intermountain Medical Center from January 2011-December 2012 (the SPECT era, n = 6,777) and January 2014-December 2015 (the PET era, n = 7,817) were studied...
May 3, 2018: JCI Insight
https://www.readbyqxmd.com/read/29718962/high-molecular-weight-adiponectin-inhibits-vascular-calcification-in-renal-allograft-recipients
#16
Kanae Nomura-Nakayama, Hiroki Adachi, Nobuhiko Miyatake, Norifumi Hayashi, Keiji Fujimoto, Hideki Yamaya, Hitoshi Yokoyama
BACKGROUND: Adiponectin (ADPN) prevents the development/recurrence of cardiovascular events via its anti-atherogenic effects. However, few long-term studies have examined the changes in serum ADPN levels and arterial calcification seen in renal allograft recipients. SUBJECTS AND METHODS: The effects of the serum ADPN level on arterial calcification were examined in 51 Japanese renal allograft recipients. Abdominal aorta calcification was evaluated on computed tomography using the aortic calcification area index (ACAI)...
2018: PloS One
https://www.readbyqxmd.com/read/29717677/facilitating-earlier-diagnosis-of-cardiovascular-disease-through-point-of-care-biosensors-a-review
#17
Mackenzie M Honikel, Chi-En Lin, David Probst, Jeffrey T La Belle
Cardiovascular disease (CVD) accounts for 30% of all global deaths and is predicted to dominate in the coming years, despite vast improvements in medical technology. Current clinical methods of assessing an individual's cardiovascular health include blood tests to monitor relevant biomarker levels as well as varying imaging modalities such as electrocardiograms, computed tomography, and angiograms to assess vasculature. As informative as these tools are, they each require lengthy scheduling, preparation, and highly trained personnel to interpret the results before any information is accessible to patients, often leading to delayed treatment, which can be fatal...
2018: Critical Reviews in Biomedical Engineering
https://www.readbyqxmd.com/read/29713929/coronary-computed-tomography-angiography-in-the-evaluation-of-intermediate-risk-asymptomatic-individuals
#18
Ernesto Di Cesare, Lucia Patriarca, Luca Panebianco, Federico Bruno, Pierpaolo Palumbo, Ester Cannizzaro, Alessandra Splendiani, Antonio Barile, Carlo Masciocchi
Cardiovascular disease is still one of the main causes of death and an early identification of coronary artery disease (CAD) remains the primary step in clinical management of patients with cardiovascular risk factor. Coronary computed tomography angiography (CCTA) has shown high sensitivity in CAD detection and could be helpful as screening method. The purpose of this study was to assess the prevalence of coronary artery disease detected by CCTA in asymptomatic patients with an intermediate risk of CAD. MATERIALS AND METHODS: We retrospectively selected 185 asymptomatic patients with an intermediate Framingan Risk Score (mean age was 62...
April 30, 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29706249/isolated-traumatic-brain-injury-results-in-significant-pre-hospital-derangement-of-cardiovascular-physiology
#19
M Gavrilovski, M El-Zanfaly, R M Lyon
INTRODUCTION: Major trauma can result in both life-threatening haemorrhage and traumatic brain injury (TBI). The pre-hospital management of these conditions, particularly in relation to the cardiovascular system, is very different. TBI can result in cardiovascular instability but the exact incidence remains poorly described. This study explores the incidence of cardiovascular instability in patients undergoing pre-hospital anaesthesia for suspected TBI. METHODS: Retrospective case series of all pre-hospital trauma patients attended by Kent, Surrey & Sussex Air Ambulance Trust (United Kingdom) trauma team during the period 1 January 2015-31 December 2016...
April 20, 2018: Injury
https://www.readbyqxmd.com/read/29706182/prognostic-impact-of-calcium-score-after-transcatheter-aortic-valve-implantation-performed-with-new-generation-prosthesis
#20
Mariama Akodad, Benoit Lattuca, Audrey Agullo, Jean-Christophe Macia, Thomas Gandet, Grégory Marin, Anaïs Iemmi, Hélène Vernhet, Laurent Schmutz, Nicolas Nagot, Bernard Albat, Guillaume Cayla, Florence Leclercq
Calcium score (CS) is a well-known prognostic factor after transcatheter aortic valve implantation (TAVI) performed with first generation prosthesis but few data are available concerning new generation valves. The aim of this study was to evaluate if CS remains a prognostic factor after Sapien 3 and Evolut R valves implantation. Agatston CS was evaluated on multislice computed tomography before TAVI in 346 patients implanted with Sapien XT (n = 61), CoreValve (n = 57) devices, (group 1, n = 118), and with new generation Sapien 3 (n = 147), Evolut R (n = 81) prosthesis, (group 2, n = 228)...
May 15, 2018: American Journal of Cardiology
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