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https://www.readbyqxmd.com/read/28212053/transthoracic-echocardiography-pitfalls-and-limitations-as-delineated-at-cardiac-ct-and-mr-imaging
#1
Sachin B Malik, Natalie Chen, Rex A Parker, Joe Y Hsu
Transthoracic echocardiography ( TTE transthoracic echocardiography ) is a critical tool in the field of clinical cardiology. It often serves as one of the first-line imaging modalities in the evaluation of cardiac disease owing to its low cost, portability, widespread availability, lack of ionizing radiation, and ability to evaluate both anatomy and function of the heart. Consequently, a large majority of patients undergoing a cardiac computed tomography (CT) or magnetic resonance (MR) imaging examination will have a TTE transthoracic echocardiography available for review...
February 17, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28208231/fast-left-ventricle-tracking-using-localized-anatomical-affine-optical-flow
#2
Sandro Queirós, João L Vilaça, Pedro Morais, Jaime C Fonseca, Jan D'hooge, Daniel Barbosa
In daily clinical cardiology practice, left ventricle (LV) global and regional function assessment is crucial for disease diagnosis, therapy selection and patient follow-up. Currently, this is still a time-consuming task, spending valuable human resources. In this work, a novel fast methodology for automatic LV tracking is proposed based on localized anatomically constrained affine optical flow. This novel method can be combined to previously proposed segmentation frameworks or manually delineated surfaces at an initial frame to obtain fully delineated datasets and, thus, assess both global and regional myocardial function...
February 16, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28205073/multi-modality-imaging-bird-s-eye-view-from-the-2016-american-heart-association-scientific-sessions
#3
Wael A AlJaroudi, Steven G Lloyd, Farooq A Chaudhry, Fadi G Hage
This review summarizes key imaging studies that were presented in the American Heart Association Scientific Sessions 2016 related to the fields of nuclear cardiology, cardiac computed tomography, cardiac magnetic resonance, and echocardiography. This bird's eye view will inform readers about multiple studies from these different modalities. We hope that this general overview will be useful for those that did not attend the conference as well as to those that did since it is often difficult to get exposure to many abstracts at large meetings...
February 15, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28198075/exercise-induced-b-lines-identify-worse-functional-and-prognostic-stage-in-heart-failure-patients-with-depressed-left-ventricular-ejection-fraction
#4
Maria Chiara Scali, Lauro Cortigiani, Anca Simionuc, Dario Gregori, Mario Marzilli, Eugenio Picano
AIMS: Exercise stress echocardiography (ESE) is recommended by the European Society of Cardiology guidelines for the evaluation of heart failure (HF) patients. Recently, lung ultrasound (LUS) has been proposed for the assessment of extravascular lung water through B-lines. The aim of this study was to assess B-lines during ESE in HF. METHODS AND RESULTS: Standard transthoracic and LUS evaluation was performed during semi-supine ESE in 103 NYHA class I-III HF patients (76 male; mean age 64 ± 12 years) with depressed LVEF (35 ± 8%)...
February 15, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28186939/cardiac-diagnostic-work-up-for-atrial-fibrillation-after-transient-ischaemic-attacks-in-england-and-wales-results-from-a-cross-sectional-survey
#5
Olivia Geraghty, Eleni Korompoki, Filippos T Filippidis, Anthony Rudd, Roland Veltkamp
OBJECTIVES: Transient ischaemic attacks (TIAs) are an important precursor of stroke. Atrial fibrillation (AF) is among the most dangerous aetiologies shared between TIAs and strokes. Detection of AF after TIAs is essential for the initiation of oral anticoagulants. We aimed to identify variations in the use of cardiac investigations used to detect AF and cardiac pathology in patients with TIA in the UK. SETTING: All TIA clinical leads in England and Wales received an invitation by email to participate in an online survey in February 2015...
November 10, 2016: BMJ Open
https://www.readbyqxmd.com/read/28185312/reproducibility-and-experience-dependence-of-echocardiographic-indices-of-left-ventricular-function-side-by-side-comparison-of-global-longitudinal-strain-and-ejection-fraction
#6
Diego Medvedofsky, Kalie Kebed, Luke Laffin, Jeremy Stone, Karima Addetia, Roberto M Lang, Victor Mor-Avi
BACKGROUND: Although left ventricular (LV) ejection fraction (EF) and global longitudinal strain (GLS) are recommended by the current echocardiographic chamber quantification guidelines, these measurements are not performed routinely. Because EF measurements rely on manual tracing of LV boundaries, and are subject to inter-reader variability and experience dependence, we hypothesized that semiautomated GLS measurements using speckle tracking would be more reproducible and less experience-dependent...
February 9, 2017: Echocardiography
https://www.readbyqxmd.com/read/28177138/application-of-pediatric-appropriate-use-criteria-for-initial-outpatient-evaluation-of-syncope
#7
Heather M Phelps, Michael S Kelleman, Courtney E McCracken, Oscar J Benavidez, Robert M Campbell, Pamela S Douglas, Benjamin W Eidem, Wyman W Lai, Leo Lopez, Kenan W D Stern, Elizabeth Welch, Ritu Sachdeva
BACKGROUND: Syncope is a common reason for outpatient transthoracic echocardiography (TTE). We studied the applicability of pediatric appropriate use criteria (AUC) on initial outpatient evaluation of children (≤18 years) with syncope. METHODS: Data were obtained before (Phase I, April-September 2014) and after (Phase II, January-April 2015) the release of the AUC document from six participating pediatric cardiology centers. Site investigators determined the indication for TTE and assigned appropriateness rating based on the AUC document: Appropriate (A), May Be Appropriate (M), Rarely Appropriate (R), or "unclassifiable" (U) if it did not fit any scenario in the AUC document...
February 8, 2017: Echocardiography
https://www.readbyqxmd.com/read/28163148/the-growing-role-of-echocardiography-in-interventional-cardiology-the-present-and-the-future
#8
REVIEW
A P Patrianakos, A A Zacharaki, E I Skalidis, M I Hamilos, F I Parthenakis, P E Vardas
As structural heart disease interventions continue to evolve to a sophisticated level, accurate and reliable imaging is required for pre-procedural selection of cases, intra-procedural guidance, post-procedural evaluation , as well as, for long-term follow-up of patients. Traditionally, cardiovascular procedures in the catheterization laboratory were guided by fluoroscopy and angiography. Advances in echocardiography can overcome most limitations of conventional imaging modalities and provide a successful completion of each step, of any catheter-based treatment...
February 2, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28153478/perfusion-index-and-pulse-oximetry-screening-for-congenital-heart-defects
#9
Federico Schena, Irene Picciolli, Massimo Agosti, Antonio Alberto Zuppa, Gianvincenzo Zuccotti, Luciana Parola, Giulia Pomero, Giorgio Stival, Markus Markart, Silvia Graziani, Luigi Gagliardi, Cristina Bellan, Simona La Placa, Giuseppe Limoli, Gabriella Calzetti, Andrea Guala, Enza Bonello, Fabio Mosca
OBJECTIVE: To evaluate the efficacy of combined pulse oximetry (POX) and perfusion index (PI) neonatal screening for severe congenital heart defects (sCHD) and assess different impacts of screening in tertiary and nontertiary hospitals. STUDY DESIGN: A multicenter, prospective study in 10 tertiary and 6 nontertiary maternity hospitals. A total of 42 169 asymptomatic newborns from among 50 244 neonates were screened; exclusion criteria were antenatal sCHD diagnosis, postnatal clinically suspected sCHD, and neonatal intensive care unit admission...
January 30, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28151505/-a-late-diagnosis-of-left-atrial-myxoma-how-to-gain-time
#10
Ferdinando Maria Massari, Tatiana Tonella, Giuseppe Pomè, Alessandra Di Mauro, Claudio Clemente, Federico Lombardi
A 56-year-old man presented to the Outpatient Cardiology Unit for dyspnea that had been lasting 6 months and an occasional episode of cold perspiration on climbing a flight of stairs. In the suspicion of coronary artery disease, he was prescribed a complete blood panel, an echocardiogram and a treadmill stress test. The echocardiogram, performed as late as 78 days after the first evaluation and only by chance scheduled 2 days before the stress test, enabled a diagnosis of left atrial myxoma for which the patient successfully underwent cardiac surgery...
December 2016: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28150025/initial-field-test-of-a-cloud-based-cardiac-auscultation-system-to-determine-murmur-etiology-in-rural-china
#11
Lee Pyles, Pouya Hemmati, J Pan, Xiaoju Yu, Ke Liu, Jing Wang, Andreas Tsakistos, Bistra Zheleva, Weiguang Shao, Quan Ni
A system for collection, distribution, and long distant, asynchronous interpretation of cardiac auscultation has been developed and field-tested in rural China. We initiated a proof-of-concept test as a critical component of design of a system to allow rural physicians with little experience in evaluation of congenital heart disease (CHD) to obtain assistance in diagnosis and management of children with significant heart disease. The project tested the hypothesis that acceptable screening of heart murmurs could be accomplished using a digital stethoscope and internet cloud transmittal to deliver phonocardiograms to an experienced observer...
February 2, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28148335/a-pediatric-cardiology-fellowship-boot-camp-improves-trainee-confidence
#12
Catherine K Allan, Paul Tannous, Elizabeth DeWitt, Michael Farias, Laura Mansfield, Christina Ronai, David Schidlow, Stephen P Sanders, James E Lock, Jane W Newburger, David W Brown
: Introduction New paediatric cardiology trainees are required to rapidly assimilate knowledge and gain clinical skills to which they have limited or no exposure during residency. The Pediatric Cardiology Fellowship Boot Camp (PCBC) at Boston Children's Hospital was designed to provide incoming fellows with an intensive exposure to congenital cardiac pathology and a broad overview of major areas of paediatric cardiology practice. METHODS: The PCBC curriculum was designed by core faculty in cardiac pathology, echocardiography, electrophysiology, interventional cardiology, exercise physiology, and cardiac intensive care...
December 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/28148317/echocardiography-of-coarctation-of-the-aorta-aortic-arch-hypoplasia-and-arch-interruption-strategies-for-evaluation-of-the-aortic-arch
#13
REVIEW
Suma P Goudar, Sanket S Shah, Girish S Shirali
: Aim Echocardiography is the modality of choice for the diagnosis and serial follow-up of aortic arch pathology. In this article, we review the types of obstruction of the aortic arch, various classification schemes of coarctation of the aorta and interrupted aortic arch, methodology for optimal echocardiographic imaging of the aortic arch, and key echocardiographic measurements for accurate diagnosis of obstruction and hypoplasia of the aortic arch. Finally, we will discuss the limitations of echocardiography in optimal imaging of the aortic arch and the use of other non-invasive imaging modalities such as CT or MRI to provide additional information in these cases...
December 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/28144714/-new-and-established-aspects-of-cardiological-diagnostics-using-tee-do-we-need-3d-technology-in-clinical-routine
#14
A Hagendorff, S Stoebe, D Jurisch, M Neef, M Metze, D Pfeiffer
In comparison to transthoracic echocardiography (TTE) transesophageal echocardiography (TEE) enables an acquisition of images with better spatial resolution due to the use of higher ultrasound frequencies. Thus, the morphology and function of cardiac structures can principally be analyzed better and more accurately with TEE than with TTE. In addition, using three-dimensional (3D) TEE data sets standardized sectional planes can be constructed by post-processing, which enables quantitative assessment of the target structures...
January 31, 2017: Herz
https://www.readbyqxmd.com/read/28139440/the-parasternal-short-axis-view-improves-diagnostic-accuracy-for-inferior-sinus-venosus-type-of-atrial-septal-defects-by-transthoracic-echocardiography
#15
Brian S Snarr, Michael Y Liu, Jeremy C Zuckerberg, Christine B Falkensammer, Sumekala Nadaraj, Danielle Burstein, Deborah Ho, Monique A Gardner, Arene Butto, Stanford G Ewing, Natesa G Pandian, Anirban Banerjee
BACKGROUND: Sinus venosus defects (SVD) of the inferior vena cava (IVC) type, or inferior SVDs, are an uncommon form of atrial communication located outside the confines of the fossa ovalis and involve override of the IVC. Despite numerous studies describing the anatomical and echocardiographic features of the inferior SVD, distinguishing this defect from a large secundum atrial septal defect (ASD) by echocardiography is often challenging. Accurate diagnosis of an inferior SVD and correct differentiation from a secundum ASD is essential for appropriate presurgical planning...
January 27, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28138817/incremental-value-of-cardiac-magnetic-resonance-for-the-evaluation-of-cardiac-tumors-in-adults-experience-of-a-high-volume-tertiary-cardiology-centre
#16
Sorin Giusca, Derliz Mereles, Andreas Ochs, Sebastian Buss, Florian André, Sebastian Seitz, Johannes Riffel, Philipp Fortner, Mindaugas Andrulis, Stefan Schönland, Hugo A Katus, Grigorios Korosoglou
To assess the value of cardiac magnetic resonance imaging (CMR) in evaluating cardiac tumours in a tertiary cardiology centre. Between 2004 and 2014, 125 patients (pts.) from a total of 17000 who received a CMR examination in our institution were referred with the suspicion of cardiac tumours. A dedicated protocol was used that included standard cine SSFP acquisitions as well as tissue characterization using T1 and T2 black-blood (T1 BB and T2 BB respectively) with and without fat suppression, perfusion of the structure and late gadolinium enhancement...
January 30, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28138403/clozapine-in-a-patient-with-treatment-resistant-schizophrenia-and-hypertrophic-cardiomyopathy-a-case-report
#17
Asiel Yair Adan Sanchez, Jessica J Foster, Carla M Plymen, Sukhi Shergill
BACKGROUND: There is currently limited experience in the initiation and maintenance of clozapine for treatment-resistant psychosis in adults with established structural heart disease. These complex patients require close supervision and liaison between colleagues. Here we present the successful experience of treating one such patient within our service and describe a monitoring plan to ensure that these treatments can be provided both safely and effectively. CASE PRESENTATION: A 36-year-old man with treatment-resistant schizophrenia and known hypertrophic cardiomyopathy (HCM) was admitted to a specialist unit for a trial of clozapine...
November 2016: BJPsych Open
https://www.readbyqxmd.com/read/28130566/-stress-echocardiography-and-its-central-role-in-cardiac-diagnostics
#18
R Leischik, B Dworrak, T Cremer, S Amirie, H Littwitz
Stress echocardiography (SE) has an established central role as a diagnostic tool in cardiology. It is not only an established method for the diagnostic and prognostic stratification of patients with coronary artery disease but also shows an emerging value for assessment of cardiac function beyond coronary artery disease. The enormous conceptual technological development of ultrasound technology (Doppler, digitizing, tissue Doppler imaging, strain technology, 3‑D-echo and new ultrasound contrast agents) has led to applications of SE in almost all diagnostic fields of cardiology...
January 27, 2017: Herz
https://www.readbyqxmd.com/read/28117248/characteristics-aetiological-spectrum-and-management-of-valvular-heart-disease-in-a-tunisian-cardiovascular-centre
#19
Faten Triki, Jihen Jdidi, Dorra Abid, Nada Tabbabi, Selma Charfeddine, Sahar Ben Kahla, Mourad Hentati, Leila Abid, Samir Kammoun
BACKGROUND: Valvular heart diseases occur frequently in Tunisia, but no precise statistics are available. AIM: To analyse the characteristics of patients with abnormal valvular structure and function, and to identify the aetiological spectrum, treatment and outcomes of valvular heart disease in a single cardiovascular centre in Tunisia. METHODS: This retrospective study included patients with abnormal valvular structure and function, who were screened by transthoracic echocardiography at a single cardiology department between January 2010 and December 2013...
January 20, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28096184/the-modern-role-of-transoesophageal-echocardiography-in-the-assessment-of-valvular-pathologies
#20
REVIEW
Malgorzata Wamil, Sacha Bull, James Newton
Despite significant advancements in the field of cardiovascular imaging, transoesophageal echocardiography remains the key imaging modality in the management of valvular pathologies. This paper provides echocardiographers with an overview of the modern role of TOE in the diagnosis and management of valvular disease. We describe how the introduction of 3D techniques has changed detection and grading of valvular pathologies and concentrate on its role as a monitoring tool in interventional cardiology. In addition, we focus on the echocardiographic and Doppler techniques used in the assessment of prosthetic valves, and provide guidance for evaluation of prosthetic valves...
January 17, 2017: Echo Research and Practice
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