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https://www.readbyqxmd.com/read/28106022/complicated-left-sided-infective-endocarditis-in-chronic-hemodialysis-patients-a-case-report
#1
Öykü Gülmez, Mehtap Aydın
Infective endocarditis (IE) is a serious infectious condition with high morbidity and mortality in patients with end-stage renal disease (ESRD). It has been particularly associated with recurrent bacteremia due to vascular access via lumen catheters. The most common pathogen is Staphylococcus (S.) aureus, and most affected valve is mitral valve, which frequently calcified. Two patients with ESRD who received hemodialysis treatment via tunneled catheters, aged 56 and 88 years, were admitted with fever and high troponin level...
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28105998/simultaneous-transfemoral-aortic-and-transseptal-mitral-valve-replacement-utilising-sapien-3-valves-in-native-aortic-and-mitral-valves
#2
Mohammad Bashir, Gardar Sigurdsson, Phillip A Horwitz, Firas Zahr
AIMS: Concomitant severe calcific aortic and mitral stenosis is a relatively uncommon but very challenging valvular heart disease to manage. We sought to evaluate the feasibility of a fully percutaneous approach to replace both stenotic native mitral and aortic valves using SAPIEN 3 valves. METHODS AND RESULTS: An 87-year-old woman with chronic kidney disease stage 3, pul-monary hypertension, chronic obstructive pulmonary disease, a permanent pacemaker, and atrial fibrillation was referred with Class III heart failure symptoms...
January 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28105847/compact-ultrahigh-pressure-nanoflow-capillary-liquid-chromatograph
#3
Xiaofeng Zhao, Xiaofeng Xie, Sonika Sharma, Luke T Tolley, Alex Plistil, Hal E Barnett, Martin P Brisbin, Adam C Swensen, John C Price, Paul B Farnsworth, H Dennis Tolley, Stanley D Stearns, Milton L Lee
A compact ultrahigh-pressure nanoflow liquid chromatograph (LC) was developed with the purpose in mind of creating a portable system that could be easily moved to various testing locations or placed in close proximity to other instruments for optimal coupling, such as with mass spectrometry (MS). The system utilized innovative nanoflow pumps integrated with a very low volume stop-flow injector and mixing tee. The system weighed only 5.9 kg (13 lbs) or 4.5 kg (10 lbs) without a controller and could hold up to 1100 bar (16000 psi) of pressure...
January 3, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28104212/left-atrial-appendage-thrombus-in-transcatheter-aortic-valve-replacement-incidence-clinical-impact-and-the-role-of-cardiac%C3%A2-computed%C3%A2-tomography
#4
Sonny Palmer, Nicholas Child, Mark A de Belder, Douglas F Muir, Paul Williams
OBJECTIVES: The aim of this study was to describe the incidence and clinical impact of left atrial appendage thrombus (LAAT) in a population referred for transcatheter aortic valve replacement (TAVR) and to examine the role of cardiac computed tomography (CCT) in the diagnosis of LAAT. BACKGROUND: Atrial fibrillation is common in patients undergoing TAVR. Embolization of LAAT is a potential mechanism of periprocedural stroke. The incidence and clinical impact of LAAT in a TAVR cohort have not been reported, and the optimal method for diagnosing LAAT remains unclear...
January 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28100694/adpribodb-the-database-of-adp-ribosylated-proteins
#5
Christina A Vivelo, Ricky Wat, Charul Agrawal, Hui Yi Tee, Anthony K L Leung
No abstract text is available yet for this article.
January 18, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28100426/ferumoxytol-mra-for-transcatheter-aortic-valve-replacement-planning-with-renal-insufficiency
#6
Kimberly Kallianos, Travis S Henry, Yerem Yeghiazarians, Jeffrey Zimmet, Kendrick A Shunk, Elaine E Tseng, Vaikom Mahadevan, Michael D Hope
BACKGROUND: Computed tomography angiography (CTA) is the test of choice for pre-procedure imaging of transcatheter aortic valve replacement (TAVR) candidates. The iodinated contrast required, however, increases the risk of renal dysfunction in patients with pre-existing renal failure. Ferumoxytol is a magnetic resonance imaging (MRI) contrast agent that can be used with renal failure. Its long vascular resonance time allows gated MRA sequences that approach CTA in image quality. We present respiratory and cardiac gated MRA enabled by ferumoxytol that can be post-processed in an analogous fashion to CTA...
December 30, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28098765/validation-of-an-online-food-frequency-questionnaire-against-doubly-labelled-water-and-24-h-dietary-recalls-in-pre-school-children
#7
Christine Delisle Nyström, Hanna Henriksson, Christina Alexandrou, Anna Bergström, Stephanie Bonn, Katarina Bälter, Marie Löf
The development of easy-to-use and accurate methods to assess the intake of energy, foods and nutrients in pre-school children is needed. KidMeal-Q is an online food frequency questionnaire developed for the LifeGene prospective cohort study in Sweden. The aims of this study were to compare: (i) energy intake (EI) obtained using KidMeal-Q to total energy expenditure (TEE) measured via doubly labelled water and (ii) the intake of certain foods measured using KidMeal-Q to intakes acquired by means of 24 h dietary recalls in 38 children aged 5...
January 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28096044/use-of-transesophageal-echocardiography-and-contrast-echocardiography-in-the-evaluation-of-cardiac-masses
#8
Hongmei Xia, Ling Gan, Yan Jiang, Qi Tang, Ping Zhang, Xuefeng Tang, Li Wen, Zheng Liu, Yunhua Gao
OBJECTIVES: To determine whether the combination of transesophageal echocardiography (TEE) and contrast echocardiography (CE) accurately diagnose suspected cardiac masses using large sample data. METHODS: Patients with cardiac masses undergoing surgical treatment were enrolled in this study. Routine transthoracic echocardiography (TTE) and TEE examinations were carried out, and CE examinations were carried out when needed. All patients' clinical data and imaging features were retrospectively reviewed...
January 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28094188/prosthetic-valve-thrombosis-in-the-acute-phase-of-the-stroke-relevance-of-detection-and-follow-up
#9
Jacint Sala-Padro, Jorge Pagola, Maria Teresa Gonzalez-Alujas, Laia Sero, Jesus Juega, Noelia Rodriguez-Villatoro, Sandra Boned, David Rodriguez-Luna, Marian Muchada, Ruben Fernandez-Galera, Marta Rubiera, Marc Ribo, Arturo Evangelista, Carlos Molina
BACKGROUND: Stroke may be the first symptom of prosthetic valve thrombosis (PVT); therefore, rapid diagnosis and therapy are crucial. We aimed to evaluate the prevalence, main predictors, and long-term clinical evolution of patients with PVT in the acute phase of stroke. METHODS: We studied consecutive acute ischemic stroke patients with prosthetic heart valves who underwent emergent transesophageal echocardiography (TEE) during a 5-year period. Two groups were defined depending on the presence of PVT (PVT or non-PVT groups)...
January 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28094019/the-first-model-of-keeping-energy-balance-and-optimal-psycho-affective-development-breastfed-infants
#10
REVIEW
Carlo Agostoni, Alessandra Mazzocchi, Ludovica Leone, Valentina Ciappolino, Giuseppe Delvecchio, Carlo A Altamura, Paolo Brambilla
BACKGROUND: Breastfed infants follow a peculiar growth fashion characterized by a rapid weight gain in the first weeks of life, then followed by a fast decrease in growth rates, a capacity to self-regulate the sense of hungry and satiety, and a minor propensity towards overweight and obesity later on, in parallel with a better neurodevelopmental performance. METHODS: We searched studies investigating the relationship between the feeding mode in infancy and the energy balance, so the possible associations with total energy expenditure and intake regulation...
January 5, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28094007/obtaining-the-biomechanical-behavior-of-ascending-aortic-aneurysm-via-the-use-of-novel-speckle-tracking-echocardiography
#11
Mohammed Alreshidan, Nastaran Shahmansouri, Jennifer Chung, Vynka Lash, Alexander Emmott, Richard L Leask, Kevin Lachapelle
INTRODUCTION: Ex vivo measurement of ascending aortic biomechanical properties may help understand the risk for rupture or dissection of dilated ascending aortas. A validated in vivo method that can predict aortic biomechanics does not exist. Speckle tracking transesophageal echocardiography (TEE) has been used to measure ventricular stiffness; we sought to determine whether speckle TEE could be adapted to estimate aortic stiffness in vivo and compare these findings with those obtained by ex vivo tissue measurements...
December 20, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28089095/characteristics-of-anatomy-and-function-of-the-left-atrial-appendage-and-their-relationships-in-patients-with-cardioembolic-stroke-a-3-dimensional-transesophageal-echocardiography-study
#12
Yuki Matsumoto, Yoshihiro Morino, Akiko Kumagai, Maiko Hozawa, Motoyuki Nakamura, Yasuo Terayama, Atsushi Tashiro
BACKGROUND: Increasing attention is being paid to the left atrial appendage (LAA) in the context of risk stratification in cardioembolic stroke (CES) and the requirement for meticulous planning of percutaneous closure device implantation. However, detailed systematic assessment of the LAA remains limited. METHODS: This study evaluated the anatomy and function of LAA using 3-dimensional transesophageal echocardiography (3D-TEE) on 194 consecutive patients older than 50 years old hospitalized exclusively for CES...
January 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28077198/association-of-bmi-with-risk-of-cvd-mortality-and-all-cause-mortality
#13
Chee Cheong Kee, Mohd Ghazali Sumarni, Kuang Hock Lim, Sharmini Selvarajah, Jamaiyah Haniff, Guat Hiong Helen Tee, Kaur Gurpreet, Yusoff Ahmad Faudzi, Nasir Mustafa Amal
OBJECTIVE: To determine the relationship between BMI and risk of CVD mortality and all-cause mortality among Malaysian adults. DESIGN: Population-based, retrospective cohort study. Participants were followed up for 5 years from 2006 to 2010. Mortality data were obtained via record linkages with the Malaysian National Registration Department. Multiple Cox regression was applied to compare risk of CVD and all-cause mortality between BMI categories adjusting for age, gender and ethnicity...
January 12, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28075036/double-trouble-a-case-of-periprocedural-detection-of-intracardiac-thrombus-and-aortic-root-dissection-during-emergent-transfemoral-tavr
#14
Carlos Corredor, Eric Horlick, Wendy Tsang, Massimiliano Meineri
We report a case of emergency transcatheter aortic valve replacement (TAVR) in a 65-year-old patient presenting with decompensated severe aortic stenosis. Transesophageal echocardiography (TEE) was used effectively to obtain measurements of the aortic annulus and for intra-procedural guidance. At baseline, we detected a left atrial appendage thrombus and a localized aortic root dissection after balloon valvuloplasty. The case highlights the important role that TEE may play during TAVR procedures.
January 11, 2017: Echocardiography
https://www.readbyqxmd.com/read/28070743/cardiac-ct-angiography-ccta-predicts-left-atrial-appendage-occluder-device-size-and-procedure-outcome
#15
Orly Goitein, Noam Fink, Ilan Hay, Elio Di Segni, Victor Guetta, David Goitein, Yafim Brodov, Eli Konen, Michael Glikson
AIM: To investigate the role of cardiac CT angiography (CCTA) in predicting optimal left atrial appendage (LAA) occluder size and procedure outcome. METHODS AND RESULTS: Thirty-six patients underwent pre-procedural CCTA. CCTA and TEE LAA orifice diameters and perimeters were compared with the implanted device size. CCTA 3D configuration was correlated with procedure outcome. Watchman™ device (N = 18): diameters were 21 ± 4, 26 ± 5 and 25 ± 3 mm for TEE, CCTA and inserted device, respectively...
January 9, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28065539/atlas-based-mosaicing-of-left-atrial-3-d-transesophageal-echocardiography-images
#16
Harriët W Mulder, Marijn van Stralen, Ben Ren, Alexander Haak, Max A Viergever, Johan G Bosch, Josien P W Pluim
Transesophageal echocardiography (TEE) is a promising imaging modality used to guide cardiac interventions, such as catheter ablation for the treatment of cardiac arrhythmias. These procedures rely on good visualization of the left atrium and pulmonary veins. To visualize these structures in a single volume, the acquisition, registration and fusion of multiple TEE views of the left atrium are required. We introduce atlas-based mosaicing as a method for the registration of images that are acquired according to a standardized protocol...
January 5, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28065230/effectiveness-of-secundum-atrial-septal-defect-occlusion-with-the-septal-occluder-through-right-chest-small-incision-clinical-analysis-of-140-cases
#17
Song-Yi Qian, Zong-Gang Zhang, Jun Liu, Yong-Zhong Guo, Sheng Guo, Zhong-Yuan Ma, Yu-Kui DU, Ti Ai Li Ai Ze-Zi Mai, Jian-Shuang Tao, Peng Liu
Objective To evaluate the feasibility and effectiveness of secundum atrial septal defect(ASD)occlusion with the septal occluder through right-chest small incision. Methods The clinical data of 140 secundum ASD patients (47 males and 93 females) aged 3-63 years who were treated in our center from August 2004 to July 2014 were retrospectively analyzed. The diameter of ASD was 6 to 36 mm. Under general anesthesia, all patients underwent intraoperative transtsophageal echocardiography (TEE), during which no associated cardiac deformity was found...
December 20, 2016: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28062433/rivaroxaban-lessens-the-number-of-thrombi-in-the-left-atrium-and-right-lower-pulmonary-vein-as-illustrated-by-transoesophageal-echocardiography-but-not-80-mdct
#18
Hidekazu Takeuchi
Stroke is a clinically important problem. A left atrial thrombus is known as a cause of ischaemic stroke. A pulmonary vein thrombus (PVT) is thought to be rare; however, PVT is common in elderly patients. Additionally, images of PVT with transoesophageal echocardiography (TEE) following treatment have not been well contrasted with that from either 64 or 80-slice multidetector CT (80-MDCT). The images of such changes depicted by TEE remain unknown. An 87-year-old man with hypertension was examined by 80-MDCT and TEE to check the cardiac thrombus...
January 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28060961/pilot-study-estimation-of-stroke-volume-and-cardiac-output-from-pulse-wave-velocity
#19
Yurie Obata, Maki Mizogami, Daniel Nyhan, Dan E Berkowitz, Jochen Steppan, Viachaslau Barodka
BACKGROUND: Transesophageal echocardiography (TEE) is increasingly replacing thermodilution pulmonary artery catheters to assess hemodynamics in patients at high risk for cardiovascular morbidity. However, one of the drawbacks of TEE compared to pulmonary artery catheters is the inability to measure real time stroke volume (SV) and cardiac output (CO) continuously. The aim of the present proof of concept study was to validate a novel method of SV estimation, based on pulse wave velocity (PWV) in patients undergoing cardiac surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28059659/antiplatelet-therapy-for-the-prevention-of-peri-coiling-thromboembolism-in-high-risk-patients-with-ruptured-intracranial-aneurysms
#20
Nancy J Edwards, Wesley H Jones, Aditya Sanzgiri, Juan Corona, Mark Dannenbaum, Peng Roc Chen
OBJECTIVE The most frequent procedural complication of the endovascular treatment of intracranial aneurysms is a thromboembolic event (TEE); in a subset of patients, such events will cause permanent neurological disability. In patients with unruptured aneurysms, increasing evidence supports the use of periprocedural antiplatelet therapy to prevent TEEs. The object of this study was to evaluate whether patients with ruptured aneurysms and subarachnoid hemorrhage would also benefit from periprocedural antiplatelet therapy...
January 6, 2017: Journal of Neurosurgery
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