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cardiovascular CT

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https://www.readbyqxmd.com/read/29452856/generalized-cardiovascular-disease-on-a-preoperative-ct-scan-is-predictive-for-anastomotic-leakage-after-esophagectomy
#1
Alicia S Borggreve, Lucas Goense, Peter S N van Rossum, Richard van Hillegersberg, Pim A de Jong, Jelle P Ruurda
BACKGROUND: Recent studies demonstrated that calcification of arteries supplying the gastric tube is associated with anastomotic leakage after esophagectomy. However, it remains unclear whether this association only derives from local flow limitations, or generalized vascular disease as well. The purpose of this study was to determine whether calcification throughout the entire cardiovascular system is associated with anastomotic leakage. METHODS: Consecutive patients who underwent an esophagectomy with gastric tube reconstruction and cervical anastomosis for esophageal cancer were analyzed...
February 2, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29444586/sex-differences-in-pericardial-adipose-tissue-assessed-by-pet-ct-and-association-with-cardiometabolic-risk
#2
Corey M Gill, Debora C Azevedo, Adriana L Oliveira, Edgar L Martinez-Salazar, Martin Torriani, Miriam A Bredella
Background Recent studies suggest that pericardial adipose tissue (PAT) is associated with whole body adiposity and insulin resistance. Moreover, the incidence of cardiovascular disease (CVD) differs between men and women. Although CVD is more prevalent in men, women suffering from CVD have a higher mortality compared to men. Differences in PAT may account for some of the observed sex differences in manifestations of CVD. Purpose To assess pericardial adipose tissue (PAT) as a biomarker for cardiometabolic risk and to assess potential sex differences...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29441487/prior-antiplatelet-therapy-is-not-associated-with-larger-hematoma-volume-or-hematoma-growth-in-intracerebral-hemorrhage
#3
Verena van Ginneken, Patricia Engel, Jochen B Fiebach, Heinrich J Audebert, Christian H Nolte, Andrea Rocco
Hematoma volume (HV) and hematoma growth (HG) predict mortality and poor outcome in intracerebral hemorrhage (ICH). While the influence of oral anticoagulation on HV, HG and outcome is well established, the effect of prior antiplatelet therapy (APT) remains uncertain. We retrospectively examined data from all patients with acute, primary ICH, and baseline head CT admitted to our department between January 2005 and February 2014. HV were calculated by ABC/2 method. HG was defined as present if HV increased between baseline and follow-up CT ≥ 30% or ≥ 6 mL...
February 14, 2018: Neurological Sciences
https://www.readbyqxmd.com/read/29432063/approach-to-pulmonary-hypertension-from-ct-to-clinical-diagnosis
#4
Felipe Aluja Jaramillo, Fernando R Gutierrez, Federico G Díaz Telli, Sebastian Yevenes Aravena, Cylen Javidan-Nejad, Sanjeev Bhalla
Pulmonary hypertension (PH) is a condition characterized by increased pressure in the pulmonary circulation. It may be idiopathic or arise in the setting of other clinical conditions. Patients with PH tend to present with nonspecific cardiovascular or respiratory symptoms. The clinical classification of PH was recently revised at the World Health Organization symposium in Nice, France, in 2013. That consensus statement provided an updated classification based on the shared hemodynamic characteristics and management of the different categories of PH...
February 12, 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29430434/spontaneous-disappearance-of-a-pericardial-cyst-case-report-and-literature-review
#5
Angelo Pio Moffa, Luca Pio Stoppino, Domenico Loizzi, Paola Milillo
Pericardial cysts are rare benign anomalies generally discovered as incidental findings on radiographic images. Rarely, pericardial cysts cause symptoms and may lead to complications. A 56-year-old woman presented to the emergency department for mild chest pain. A cardiovascular and respiratory examination revealed no abnormalities, while a chest X-ray and subsequent thoracic computed tomography (CT) showed a pericardial cyst. The patient refused both percutaneous treatment and thoracic surgery. Three years later, a thoracic CT scan showed that the pericardial cyst had disappeared...
February 2018: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29426687/coronary-manifestations-of-kawasaki-disease-in-computed-tomography-coronary-angiography
#6
Yong Geng Goh, Ching Ching Ong, Grace Tan, Chong Ri Liang, Sanah Merchant Soomar, Chee Wen Terence Lim, Swee Chye Quek, Li San Lynette Teo
Coronary arteritis in Kawasaki disease can lead to serious complications such myocardial infarction and sudden death. The identification of coronary manifestations with a method that is minimally invasive and of low radiation exposure is therefore important in paediatric patients with Kawasaki disease. Coronary CT angiography can be an attractive alternative to invasive coronary angiography. This paper describes imaging techniques for coronary CT angiography in pediatric patients and demonstrates the spectrum of cardiovascular manifestations in patients with Kawasaki disease...
December 11, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29426278/cytochrome-p450-family-4-subfamily-f-member-2-cyp4f2-rs1558139-rs2108622-polymorphisms-and-susceptibility-to-several-cardiovascular-and-cerebrovascular-diseases
#7
Tao Zhang, Kuiying Yu, Xuhua Li
BACKGROUND: Inconsistent conclusions have been reported for the genetic relationship between CYP4F2 (Cytochrome P450 Family 4 Subfamily F Member 2) polymorphisms and the susceptibility to cardiovascular and cerebrovascular diseases. METHODS: We performed a meta-analysis to assess the potential role of rs1558139 C/T and rs2108622 G/A polymorphisms of CYP4F2 in the risks of cardiovascular and cerebrovascular diseases. The retrieval of four databases, including PubMed, Web of Science (WOS), China National Knowledge Infrastructure (CNKI) and WANFANG DATA, was conducted...
February 9, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29422416/incidence-and-predictors-of-lesion-specific-ischemia-by-ffrct-learnings-from-the-international-advance-registry
#8
Hironori Kitabata, Jonathon Leipsic, Manesh R Patel, Koen Nieman, Bernard De Bruyne, Campbell Rogers, Gianluca Pontone, Bjarne L Nørgaard, Jeroen J Bax, Gilbert Raff, Kavitha M Chinnaiyan, Mark Rabbat, Niels Peter Rønnow Sand, Philipp Blanke, Timothy A Fairbairn, Hitoshi Matsuo, Tetsuya Amano, Tomohiro Kawasaki, Yoshihiro Morino, Takashi Akasaka
BACKGROUND: To date, the clinical utility of coronary computed tomography angiography (CTA)-derived fractional flow reserve (FFRCT) has been limited to trials and single center experiences. We herein report the incidence of abnormal FFRCT (≤0.80) and the relationship of lesion-specific ischemia to subject demographics, symptoms, and degree of stenosis in the multicenter, prospective ADVANCE registry. METHODS: One thousand patients with suspected angina having documented coronary artery disease on coronary CTA and clinically referred for FFRCT were prospectively enrolled in the registry...
February 2, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29422111/an-unusual-case-of-interrupted-cervical-aortic-arch-associated-with-long-segment-coarctation-of-the-descending-thoracic-aorta
#9
Mousam Dey, Naveen Garg, Sunil Kumar
Interrupted aortic arch is a rare congenital anomaly in newborns and infants and is commonly associated with other cardiovascular anomalies. Here, we report an unusual case of type A interrupted cervical aortic arch associated with long segment coarctation of the descending thoracic aorta. Patent ductus arteriosus reconstituted the descending thoracic aorta. Proximal segments of the left common carotid and left subclavian arteries were atretic. Echocardiography-gated multidetector CT angiography not only identified the type of aortic arch interruption in the neonate but also delineated the exact anatomical details...
February 9, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29417417/arterial-inflammation-in-young-patients-with-human-immunodeficiency-virus-infection-a-cross-sectional-study-using-f-18-fdg-pet-ct
#10
Ismaheel O Lawal, Alfred O Ankrah, Gbenga O Popoola, Thabo Lengana, Mike M Sathekge
BACKGROUND: HIV infection is associated with the risk of development of atherosclerosis at a younger age. We compared arterial inflammation in HIV-infected and HIV-uninfected patients with otherwise low-risk factors for cardiovascular disease (CVD) using FDG PET/CT. METHODS: 242 patients aged 18-40 years with low-risk factors for CVD consisting of 121 HIV-infected patients and 121 HIV-uninfected age- and gender-matched controls were studied, mean age = 34.95 ± 5...
February 7, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29415207/progression-of-calcium-density-in-the-ascending-thoracic-aorta-is-inversely-associated-with-incident-cardiovascular-disease-events
#11
Isac C Thomas, Robyn L McClelland, Matthew A Allison, Joachim H Ix, Erin D Michos, Nketi I Forbang, Wendy S Post, Nathan D Wong, Matthew J Budoff, Michael H Criqui
Aims: Little is known regarding the risk of atherosclerotic cardiovascular disease (ASCVD) conferred by changes in the volume and density of ascending thoracic aorta calcium (ATAC) over time. We evaluated changes in ATAC volume and density scores and incident ASCVD events. Methods and results: The Multi-Ethnic Study of Atherosclerosis is a prospective cohort study of individuals without baseline clinical ASCVD. Ascending thoracic aorta calcium was measured from baseline and follow-up (mean interval 2...
February 5, 2018: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29408789/automatic-calcium-scoring-in-low-dose-chest-ct-using-deep-neural-networks-with-dilated-convolutions
#12
Nikolas Lessmann, Bram van Ginneken, Majd Zreik, Pim A de Jong, Bob D de Vos, Max A Viergever, Ivana Isgum
Heavy smokers undergoing screening with low-dose chest CT are affected by cardiovascular disease as much as by lung cancer. Low-dose chest CT scans acquired in screening enable quantification of atherosclerotic calcifications and thus enable identification of subjects at increased cardiovascular risk. This paper presents a method for automatic detection of coronary artery, thoracic aorta, and cardiac valve calcifications in low-dose chest CT using two consecutive convolutional neural networks. The first network identifies and labels potential calcifications according to their anatomical location and the second network identifies true calcifications among the detected candidates...
February 2018: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/29406941/cardiac-imaging-modalities-and-appropriate-use
#13
REVIEW
Paul Gabriel Peterson, Michael Berge, John P Lichtenberger, Maureen N Hood, Vincent B Ho
Cardiovascular imaging with calcium scoring computed tomography (CT), coronary CT angiography (CCTA), and cardiac MRI (CMR) have advanced rapidly over recent years. These imaging modalities have increased in availability, accessibility, and clinical practicality due to technological advances allowing for significant radiation dose reduction for high-quality CCTA and for rapid and reliable imaging techniques in CMR. Hardware and software developments are continually increasing efficiency and accuracy of postprocessing...
March 2018: Primary Care
https://www.readbyqxmd.com/read/29396194/low-thigh-muscle-mass-is-associated-with-coronary-artery-stenosis-among-hiv-infected-and-hiv-uninfected-men-the-multicenter-aids-cohort-study-macs
#14
Martin Tibuakuu, Di Zhao, Ankita Saxena, Todd T Brown, Lisa P Jacobson, Frank J Palella, Mallory D Witt, Susan L Koletar, Joseph B Margolick, Eliseo Guallar, Sai Krishna C Korada, Matthew J Budoff, Wendy S Post, Erin D Michos
BACKGROUND: HIV-infected individuals are at increased risk for both sarcopenia and cardiovascular disease. Whether an association between low muscle mass and subclinical coronary artery disease (CAD) exists, and if it is modified by HIV serostatus, are unknown. METHODS: We performed cross-sectional analysis of 513 male MACS participants (72% HIV-infected) who underwent mid-thigh computed tomography (CT) and non-contrast cardiac CT for coronary artery calcium (CAC) during 2010-2013...
January 30, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29389358/coronary-adventitial-and-perivascular-adipose-tissue-inflammation-in-patients%C3%A2-with-vasospastic-angina
#15
Kazuma Ohyama, Yasuharu Matsumoto, Kentaro Takanami, Hideki Ota, Kensuke Nishimiya, Jun Sugisawa, Satoshi Tsuchiya, Hirokazu Amamizu, Hironori Uzuka, Akira Suda, Tomohiko Shindo, Yoku Kikuchi, Kiyotaka Hao, Ryuji Tsuburaya, Jun Takahashi, Satoshi Miyata, Yasuhiko Sakata, Kei Takase, Hiroaki Shimokawa
BACKGROUND: Recent studies suggested that perivascular components, such as perivascular adipose tissue (PVAT) and adventitial vasa vasorum (VV), play an important role as a source of various inflammatory mediators in cardiovascular disease. OBJECTIVES: The authors tested their hypothesis that coronary artery spasm is associated with perivascular inflammation in patients with vasospastic angina (VSA) using 18 F-fluorodeoxyglucose ( 18 F-FDG) positron emission tomography/computed tomography (PET/CT)...
January 30, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29383793/nasal-variation-in-relation-to-high-altitude-adaptations-among-tibetans-and-andeans
#16
Lauren N Butaric, Ross P Klocke
OBJECTIVES: High-altitude (>2500 m) populations face several pressures, including hypoxia and cold-dry air, resulting in greater respiratory demand to obtain more oxygen and condition inspired air. While cardiovascular and pulmonary adaptations to high-altitude hypoxia have been extensively studied, adaptations of upper-respiratory structures, e.g., nasal cavity, remain untested. This study investigates whether nasal morphology presents adaptations to hypoxic (larger noses) and/or cold-dry (tall/narrow noses) conditions among high-altitude samples...
January 31, 2018: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29382098/on-the-design-of-an-efficient-cardiac-health-monitoring-system-through-combined-analysis-of-ecg-and-scg-signals
#17
Prasan Kumar Sahoo, Hiren Kumar Thakkar, Wen-Yen Lin, Po-Cheng Chang, Ming-Yih Lee
Cardiovascular disease (CVD) is a major public concern and socioeconomic problem across the globe. The popular high-end cardiac health monitoring systems such as magnetic resonance imaging (MRI), computerized tomography scan (CT scan), and echocardiography (Echo) are highly expensive and do not support long-term continuous monitoring of patients without disrupting their activities of daily living (ADL). In this paper, the continuous and non-invasive cardiac health monitoring using unobtrusive sensors is explored aiming to provide a feasible and low-cost alternative to foresee possible cardiac anomalies in an early stage...
January 28, 2018: Sensors
https://www.readbyqxmd.com/read/29380261/intracranial-arterial-calcifications-as-a-prognostic-factor-for-subsequent-major-adverse-cardiovascular-events-mace
#18
Frederik F Strobl, Beatrice Kuhlin, Robert Stahl, Bastian O Sabel, Andreas D Helck, Andreas Schindler, Matthias Witt, Fabian Bamberg, Maximilian F Reiser, Tobias Saam
BACKGROUND: Intracranial arterial calcifications (ICAC) are often detected on unenhanced CT of patients with an age > 60. However, association with the subsequent occurrence of major adverse cardiovascular events (MACE) has not yet been evaluated. PURPOSE: This study aimed at evaluating the association of ICAC with subsequent MACE and overall mortality. METHODS: In this retrospective, IRB approved study, we included 175 consecutive patients (89 males, mean age 78...
January 30, 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29374353/gouty-arthritis-decision-making-following-dual-energy-ct-scan-in-clinical-practice-a-retrospective-analysis
#19
M Gamala, S P Linn-Rasker, M Nix, B G F Heggelman, J M van Laar, P C M Pasker-de Jong, J W G Jacobs, R Klaasen
To establish whether dual-energy CT (DECT) is a diagnostic tool, i.e., associated with initiation or discontinuation of a urate lowering drug (ULD). Secondly, to determine whether DECT results (gout deposition y/n) can be predicted by clinical and laboratory variables. Digital medical records of 147 consecutive patients with clinical suspicion of gout were analyzed retrospectively. Clinical data including medication before and after DECT, lab results, and results from diagnostic joint aspiration and DECT were collected...
January 27, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29372478/arteriosclerosis-is-a-major-predictor-of-small-bowel-vascular-lesions
#20
Taiki Aoyama, Akira Fukumoto, Kenjiro Shigita, Naoki Asayama, Shinichi Mukai, Shinji Nagata
BACKGROUND: Most studies have focused on evaluating the association between the presence of small bowel vascular lesions (SBVLs) and patients' comorbidities. AIMS: We sought to uncover a more fundamental indicator that may predict the presence of SBVLs by considering atherosclerosis qualitatively and quantitatively. METHODS: We enrolled 79 consecutive patients with obscure gastrointestinal bleeding who had undergone computed tomography (CT) and capsule endoscopy or double-balloon endoscopy from January 2015 to June 2017...
January 25, 2018: Digestive Diseases and Sciences
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