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https://www.readbyqxmd.com/read/29036433/left-ventricular-hypertrophy-predicts-cardiovascular-events-in-hypertensive-patients-with-coronary-artery-calcifications
#1
Chagai Grossman, Michael Levin, Nira Koren-Morag, Gill Bornstein, Avshalom Leibowitz, Ilan Ben-Zvi, Joseph Shemesh, Ehud Grossman
Background: Coronary artery calcification (CAC) is associated with increased cardiovascular (CV) risk. Left ventricular hypertrophy (LVH) is an independent risk factor for CV events. Our aim was to estimate the relative CV risk of LVH in the presence of CAC. Methods: We included asymptomatic hypertensive patients who were enrolled in the calcification arm of the INSIGHT (International Nifedipine Study Intervention as Goal for Hypertension Therapy). Patients had baseline echocardiography and computed tomography (CT) to assess CAC...
October 5, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29035738/thrombin-activatable-fluorescent-peptide-incorporated-gold-nanoparticles-for-dual-optical-computed-tomography-thrombus-imaging
#2
Sung-Pil Kwon, Sangmin Jeon, Sung-Hoon Lee, Hong Yeol Yoon, Ju Hee Ryu, Dayil Choi, Jeong-Yeon Kim, Jiwon Kim, Jae Hyung Park, Dong-Eog Kim, Ick Chan Kwon, Kwangmeyung Kim, Cheol-Hee Ahn
Thrombosis is an important pathophysiologic phenomenon in various cardiovascular diseases, which can lead to oxygen deprivation and infarction of tissues by generation of a thrombus. Thus, direct thrombus imaging can provide beneficial in diagnosis and therapy of thrombosis. Herein, we developed thrombin-activatable fluorescent peptide (TAP) incorporated silica-coated gold nanoparticles (TAP-SiO2@AuNPs) for direct imaging of thrombus by dual near-infrared fluorescence (NIRF) and micro-computed tomography (micro-CT) imaging, wherein TAP molecules were used as targeted thrombin-activatable peptide probes for thrombin-specific NIRF imaging...
October 9, 2017: Biomaterials
https://www.readbyqxmd.com/read/29027093/long-term-prognostic-value-of-coronary-computed-tomography-angiography
#3
REVIEW
Takor B Arrey-Mbi, Seth M Klusewitz, Todd C Villines
Coronary CT angiography (CTA) is a highly accurate test for the diagnosis of coronary artery disease (CAD), with its use guided by numerous contemporary appropriate use criteria and clinical guidelines. Unique among non-invasive tests for CAD, coronary CTA provides direct visualization of coronary atherosclerosis for the assessment of angiographic stenosis, as well as validated measures of plaque vulnerability. Long-term studies now clearly demonstrate that the absence of CAD on coronary CTA identifies a patient that is at very low risk for future cardiovascular events...
October 12, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29025029/ct-coronary-imaging-a-fast-evolving-world
#4
Prabhakar Rajiah, Suhny Abbara
Computed tomography (CT) has become an important modality in the evaluation of coronary artery disease (CAD). The tremendous technological advances in CT in the last two decades has made it possible to obtain high quality images of coronary arteries with high spatial and temporal resolutions. Multiple trials have confirmed the accuracy of CT compared to invasive catheter angiography. CT is also able to evaluate beyond the lumen in characterizing and quantifying atherosclerotic plaques, including evaluation of high risk features...
September 4, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28992468/dronedarone-exerts-anticoagulant-and-antiplatelet-effects-independently-of-its-antiarrhythmic-actions
#5
M Urooj Zafar, Carlos G Santos-Gallego, Donald A Smith, Jonathan L Halperin, Juan J Badimon
BACKGROUND AND AIMS: Dronedarone reduced the rate of stroke and transient ischemic attack in patients with paroxysmal atrial fibrillation (AF) in the ATHENA trial. This cannot be explained by its antiarrhythmic effect alone and may involve alternative mechanisms. This study aimed to investigate any direct effect of dronedarone on blood thrombogenicity, independent of its antiarrhythmic effects. METHODS: Blood samples from patients with cardiovascular disease (n = 30) taking no anticoagulant or antiplatelet medication except aspirin were incubated with dronedarone's active metabolite (SR35021A) at 66 ng/ml (am-L) and 119 ng/ml (am-H), i...
September 28, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28992382/arterial-inflammation-detected-with-18-f-fluoro-deoxyglucose-positron-emission-tomography-in-rheumatoid-arthritis
#6
Laura Geraldino-Pardilla, Afshin Zartoshti, Ayse Bag Ozbek, Jon T Giles, Richard Weinberg, Mona Kinkhabwala, Sabahat Bokhari, Joan M Bathon
OBJECTIVES: In addition to traditional risk factors, excess cardiovascular disease (CVD) in rheumatoid arthritis (RA) is attributed to enhanced vascular and/or systemic inflammation. In several small studies using (18) F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) to directly assess vascular inflammation, FDG uptake was higher in RA patients than controls. Using a substantially larger RA sample, we sought to identify RA-disease characteristics independently associated with vascular FDG uptake...
October 9, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28992124/impact-of-trajectories-of-abdominal-aortic-calcification-over-2-years-on-subsequent-mortality-a-10-year-longitudinal-study
#7
Hiroki Inoue, Sayaka Shimizu, Keita Watanabe, Yasuhiro Kamiyama, Hitomi Shima, Azuna Nakase, Hironori Ishida, Noriaki Kurita, Shingo Fukuma, Shunichi Fukuhara, Yukari Yamada
Background: Although both the presence and progression over time of vascular calcification have been shown to independently predict cardiovascular disease and mortality in chronic dialysis patients, the impact of the pattern of accumulation of abdominal aortic calcification on mortality has not yet been investigated. Methods: We conducted a longitudinal study at a dialysis hospital in Hokkaido, Japan from 2005 to 2014. An abdominal calcification index (ACI) was generated for 396 patients from their annual abdominal computed tomography (CT) scans...
August 25, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28988256/primary-leiomyosarcoma-of-the-atrium-with-heterologous-differentiation
#8
Shaesta Zaidi, Sufia Husain, Dona Barakah
We report a case of a 47-year-old female who presented with breathlessness and palpitations for two weeks. On clinical evaluation, bilateral pedal edema was noticed. A CT pulmonary angiogram showed a mass in the left atrium causing significant obstruction to cardiovascular outflow. After extensive work-up, the mass was surgically resected. Histopathological findings from the acquired specimen revealed a high-grade leiomyosarcoma with extensive necrosis and heterologous (cartilaginous) differentiation. The early postoperative period was complicated by cardiac tamponade and the patient died on the second postoperative day due to ventricular arrhythmia, shock and multiorgan failure...
September 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28987857/intracranial-hemorrhage-in-patients-with-durable-mechanical-circulatory-support-devices-institutional-review-and-proposed-treatment-algorithm
#9
Wyatt L Ramey, Robyn L Basken, Christina M Walter, Zain Khalpey, G Michael Lemole, Travis M Dumont
OBJECTIVE: Spontaneous intracranial hemorrhage (ICH) is frequently managed in neurosurgery. Patients with durable mechanical circulatory support devices, including total artificial hearts (TAHs) and left ventricular assist devices (LVADs) are often encountered in the setting of ICH. While durable mechanical circulatory support devices have improved survival and quality of life for patients with advanced heart failure, ICH is one of the most feared complications following LVAD and TAH implantation...
October 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28965668/hemorrhagic-infarct-of-basal-ganglia-in-cardiac-arrest-ct-and-mri-findings-2-cases
#10
Monique Boukobza, Frédéric J Baud
We report the CT and MRI findings in two cases of hemorrhagic infarct of the basal ganglia (BG), following out-of-hospital cardiac arrest (CA). In case 1, Brain-CT realized at day 2 showed bilateral and almost symmetric hemorrhagic infarct of the BG and infarct of the tectum of the mesencephalon. In case 2, MRI realized at day 6 showed hemorrhagic infarct of both lenticular nuclei on T2 GE images. In both cases there was no medical history and the cardiovascular and the coagulation profile were normal. In these cases, the lesions are observed earlier than reported in a few previous radiological cases...
September 21, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28965152/high-incidence-of-progressive-stenosis-in-aberrant-left-subclavian-artery-with-right-aortic-arch
#11
Mamoru Muraoka, Hazumu Nagata, Yuichiro Hirata, Kiyoshi Uike, Eiko Terashi, Eiji Morihana, Masayuki Ochiai, Yasuyuki Fujita, Kiyoko Kato, Kenichiro Yamamura, Shouichi Ohga
Right aortic arch with aberrant left subclavian artery (RAA/aLSCA) is a rare aortic arch anomaly. The clinical association of aLSCA stenosis with RAA/aLSCA has not yet been fully elucidated. The aim of this study was to investigate the diagnosis, incidence, management and outcome of aLSCA stenosis in infants with prenatally diagnosed RAA/aLSCA. Ten fetuses who were diagnosed as having RAA/aLSCA in Kyushu University Hospital between January 2011 and December 2014 were enrolled. The maternal and child medical records were reviewed to investigate sex, gestational age at the fetal diagnosis, gestational age and body weight at birth, the findings of computed tomography (CT), Doppler ultrasonography of the vertebral artery and angiography, and the complications and outcomes of aLSCA stenosis...
September 30, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28965131/efficacy-of-tocilizumab-highlighted-by-fdg-pet-ct-in-a-patient-with-relapsing-polychondritis-associated-aortitis
#12
REVIEW
Ghassan Elourimi, Michael Soussan, Ursula Warzocha, Hélène Bugaud, Robin Dhôte, Sébastien Abad
Relapsing polychondritis (RP) is a rare systemic inflammatory disease primarily affecting the ears, nose and tracheobronchial tree cartilage, but also the cardiovascular system. Cardiovascular complications are the second cause of mortality in RP. We report the case of a woman with a corticosteroid-resistant RP-associated aortitis, who was successfully treated with tocilizumab (TCZ). The FDG-PET/CT was a useful tool for diagnosing aortitis and assessing the effect of biotherapy. We conducted a systematic literature review confirming this is the first case of rapid and sustained remission in a patient with corticosteroid-resistant RP-associated aortitis after TCZ treatment administered as a first-line immunotherapy...
September 30, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28964751/feasibility-and-safety-of-augmented-reality-glass-for-computed-tomography-assisted-percutaneous-revascularization-of-coronary-chronic-total-occlusion-a-single-center-prospective-pilot-study
#13
Maksymilian P Opolski, Artur Debski, Bartosz A Borucki, Adam D Staruch, Cezary Kepka, Jakub K Rokicki, Bartosz Sieradzki, Adam Witkowski
BACKGROUND: Percutaneous coronary intervention (PCI) of chronic total occlusion (CTO) may be facilitated by projection of coronary computed tomography angiography (CTA) datasets in the catheterization laboratory. There is no data on the feasibility and safety outcomes of CTA-assisted CTO PCI using a wearable augmented-reality glass. METHODS: A total of 15 patients scheduled for elective antegrade CTO intervention were prospectively enrolled and underwent preprocedural coronary CTA...
September 21, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28964389/-contribution-of-contrast-enhanced-ultrasonography-in-the-characterization-of-carotid-lesions
#14
J M Baud, S Luong, O Rouyer, A Maurizot, C Gautier
Harmonic mode ultrasound with injection of a contrast enhancement agent allows visualization of mobile microbubbles in the carotid plaque corresponding to neovessels secondary to an inflammation or hypoxia. These neovessels could be considered "precursor" markers of the vulnerable plaque. The aim of this work was to give an update on ultrasound contrast imaging acquisition in the exploration of carotid artery both for atheromatous lesions and for large vessel vasculitis. A precise description of the material to be used, the image acquisition methodology and the environmental conditions is discussed, emphasizing the pitfalls to be avoided as well as proper image interpretation...
October 2017: J Med Vasc
https://www.readbyqxmd.com/read/28964324/coffee-consumption-is-not-associated-with-prevalent-subclinical-cardiovascular-disease-cvd-or-the-risk-of-cvd-events-in-nonalcoholic-fatty-liver-disease-results-from-the-multi-ethnic-study-of-atherosclerosis
#15
Tracey G Simon, Maria Esther Perez Trejo, Irfan Zeb, Alexis C Frazier-Wood, Robyn L McClelland, Raymond T Chung, Matthew J Budoff
BACKGROUND: Atherosclerosis and its clinical sequelae represent the leading cause of mortality among patients with nonalcoholic fatty liver disease (NAFLD). While epidemiologic data support the hepatoprotective benefits of coffee in NAFLD, whether coffee improves NAFLD-associated CVD risk is unknown. METHODS: We examined 3710 ethnically-diverse participants from the Multi-Ethnic Study of Atherosclerosis (MESA) cohort, without history of known liver disease, and with available coffee data from a validated 120-item food frequency questionnaire...
October 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28959429/elective-laparoscopic-repair-after-reduction-might-be-useful-strategy-for-incarcerated-obturator-hernia-a-case-report
#16
Atsushi Kohga, Akihiro Kawabe, Yuchen Cao, Kiyoshige Yajima, Takuya Okumura, Kimihiro Yamashita, Jun Isogaki, Kenji Suzuki
Obturator hernia is a rare clinical condition that causes intestinal obstruction. Recent reports have suggested that laparoscopic repair may be useful for incarcerated obturator hernia in select patients. The patient was a 64-year-old female who presented to our emergency department with a chief complaint of abdominal pain. Computed tomography (CT) imaging revealed an incarcerated obturator hernia on her right side, without apparent findings of irreversible ischaemic change or perforation. She had a previous history of cardiovascular surgery and was taking an anticoagulant medication...
September 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28955501/associations-between-coronary-and-carotid-artery-atherosclerosis-in-patients-with-inflammatory-joint-diseases
#17
Mona Svanteson, Silvia Rollefstad, Nils Einar Kløw, Jonny Hisdal, Eirik Ikdahl, Anne Grete Semb, Ylva Haig
OBJECTIVE: Low association between cardiac symptoms and coronary artery disease (CAD) in patients with inflammatory joint diseases (IJD) demands for objective markers to improve cardiovascular risk stratification. Our main aim was to evaluate the prevalence and characteristics of CAD in patients with IJD with carotid artery plaques. Furthermore, we aimed to assess associations of carotid ultrasonographic findings and coronary plaques. METHODS: Eighty-six patients (61% female) with IJD (55 with rheumatoid arthritis, 21 with ankylosing spondylitis and 10 with psoriatic arthritis) and carotid artery plaque were referred to coronary CT angiography (CCTA)...
2017: RMD Open
https://www.readbyqxmd.com/read/28955431/challenges-of-stroke-management-in-resource-limited-settings-a-case-based-reflection
#18
Yohane G Gadama, Gloria Mwangalika, Louis B Kinley, Beth Jackson, Henry C Mwandumba, Jane Mallewa, Tom Solomon, Rob Simister, Laura A Benjamin, Maria I Vargas, Joseph Kamtchum-Tatuene, Tamara Phiri
A 19-year-old man presented with a 1-year history of headache, generalised body weakness, progressive memory loss, and disorientation. One month prior to admission, there was aggravation of the weakness of the right upper limb, with new-onset difficulty with mastication, speech impairment, apathy, and urinary incontinence. On clinical examination, the patient had a motor aphasia and a right-sided hemiparesis with increased muscle tone and hyperreflexia. A noncontrast computed tomography (CT) scan of the brain revealed large ischaemic strokes extending beyond the classical vascular territories...
June 2017: Malawi Medical Journal: the Journal of Medical Association of Malawi
https://www.readbyqxmd.com/read/28954637/-dual-energy-ct-new-diagnostic-possibilities
#19
S M Bollen, M J C M Rutten
Dual-energy CT (DECT) provides more information than a conventional CT scan. This new technique does not only provide morphological information, but also provides information about the chemical composition of tissues and substances, e.g. uric acid or calcium, based on material-specific differences in X-ray attenuation, leading to diagnostic improvement. Other benefits include reduced radiation dose, reduced use of contrast fluids due to better iodine detection and improved image quality. DECT fulfils a need in patients with a hypersensitivity to contrast agents, leads to less kidney damage, and avoids the necessity of more invasive diagnostic methods such as lumbar punctures...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28942598/radiation-exposure-of-cardiac-sonographers-working-in-an-academic-noninvasive-cardiovascular-imaging-laboratory
#20
Michael R Velez, Maryellen H Orsinelli, David A Orsinelli
BACKGROUND AND AIM: Exposure to workplace radiation among cardiac sonographers has been felt to be low, and patient-related sources have been considered negligible. Sonographers may be exposed to radiation from patient emitted sources as well as external sources in interventional laboratories. This study quantified radiation exposure to cardiac sonographers. METHODS: Cardiac sonographers, vascular imaging technologists, exercise physiologists, noninvasive nursing staff, and CT/MRI technologists were provided body dosimeter badges...
September 24, 2017: Echocardiography
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