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pediatric cardiac imaging

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https://www.readbyqxmd.com/read/28430713/a-national-survey-of-neonatologists-barriers-and-prerequisites-to-introduce-point-of-care-ultrasound-in-neonatal-icus
#1
Hussnain S Mirza, Gregory Logsdon, Anoop Pulickal, Mark Stephens, Rajan Wadhawan
Point-of-care (POC) ultrasound refers to the use of portable imaging. Although POC ultrasound is widely available to the neonatologists in Australia and Europe, neonatologists in the United States report limited availability. Our objective was to seek the US neonatologists' perception of barriers and prerequisites in adopting POC ultrasound in neonatal intensive care units. An online survey link was sent via e-mail to 3000 neonatologists included in the database maintained by the American Academy of Pediatrics...
April 20, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28424438/using-cardiovascular-imaging-modalities-to-determine-cardiac-disorders-before-starting-sports-activities
#2
Özgür Ceylan, Timur Meşe, Meşe Hazım Gürsu
OBJECTIVE: We re-examined children who had previously been declared eligible to participate in competitive sports activities for cardiac disorders, using cardiac investigation protocol. METHODS: Total of 250 children (224 males [89.6%], and 26 females [10.4%]) between the ages of 8 and 17 years who had just started or were already engaged in sports activities were included in the study. Participants had detailed physical examination evaluated by a pediatric cardiologist...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28401251/delayed-myocardial-enhancement-in-pediatric-hypertrophic-cardiomyopathy-correlation-with-lv-function-echocardiography-and-demographic-parameters
#3
Sonia El Saiedi, Noha Hossam Behairy, Ahmed Kharabish, Reem Esmail, Zeinab Salah Seliem, Mervat Shafik, Wesam El Mozy
Our aim was (1) to detect the presence of fibrosis by Cardiac magnetic resonance imaging (CMR) in the pediatric age group. (2) Correlate CMR findings with demographic data, LV function, and other echocardiographic parameters. We studied 40 pediatric patients diagnosed as HCM by echocardiography. All patients were subjected to clinical examination (in which the NYHA classification was determined for each patient), echocardiography, and CMR. CMR was done on a 1.5T Philips Achieva scanner in SSFP with delayed myocardial enhancement (DE-MRI)...
April 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28399114/lung-hypoplasia-in-newborn-rabbits-with-a-diaphragmatic-hernia-affects-pulmonary-ventilation-but-not-perfusion
#4
Andreas W Flemmer, Marta Thio, Megan J Wallace, Katie Lee, K Marcus J Kitchen, Lauren Kerr, Charles C Roehr, Andreas Fouras, Richard Carnibella, Jaccques J Jani, Philip DeKoninck, Arjan B tePas, James T Pearson, Stuart B Hooper
BACKGROUND: A congenital diaphragmatic hernia can result in severe lung hypoplasia that increases the risk of morbidity and mortality after birth, but little is known about the cardiorespiratory transition at birth. METHODS: Using phase contrast X-ray imaging and angiography, we examined the cardiorespiratory transition at birth in rabbit kittens with diaphragmatic hernias (DH). Surgery was performed on pregnant New Zealand white rabbits (n=18) at 25 days gestation to induce a left-sided DH...
April 11, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28394816/brain-mri-findings-in-pediatric-patients-post-ecmo
#5
Venessa L Pinto, Sumit Pruthi, Ashly C Westrick, Chevis N Shannon, Brian C Bridges, Truc M Le
Neurologic complications can occur with ECMO due to several factors. Prior studies identified neonates as having unique risk factors and neuro-imaging findings post-ECMO. The aim of this study is to describe brain MRI findings of pediatric patients treated with ECMO. We conducted a retrospective study of non-neonatal pediatric patients who underwent a comprehensive brain MRI after ECMO, between January 2000 and July 2015. We identified 47 pediatric patients in the study cohort with a median age of 8 months (IQR 3-170mo) and a median ECMO run duration of 7...
April 6, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28314534/total-cavopulmonary-connection-with-a-new-bioabsorbable-vascular-graft-first-clinical-experience
#6
Leo A Bockeria, Oleg Svanidze, Alex Kim, Konstantin Shatalov, Vladimir Makarenko, Martijn Cox, Thierry Carrel
OBJECTIVES: To assess safety and clinical performance of a novel bioabsorbable vascular graft in pediatric patients with univentricular cardiac malformation who received surgical correction via an extracardiac cavopulmonary conduit. METHODS: The implanted graft material is designed to attract patient's own cells and proteins, which trigger a cascade of physiological events leading to endogenous tissue restoration. As the graft resorbs progressively after implantation, components of native tissue including collagen, endothelial lining, and capillary blood vessels develop and organize into a natural tissue...
February 7, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28296296/biplane-interventional-pediatric-system-with-cone-beam-ct-dose-and-image-quality-characterization-for-the-default-protocols
#7
Eva Corredoira, Eliseo Vañó, Luis Alejo, Carlos Ubeda, Federico Gutiérrez-Larraya, Julia Garayoa
The aim of this study was to assess image quality and radiation dose of a biplane angiographic system with cone-beam CT (CBCT) capability tuned for pediatric cardiac procedures. The results of this study can be used to explore dose reduction techniques. For pulsed fluoroscopy and cine modes, polymethyl methacrylate phantoms of various thicknesses and a Leeds TOR 18-FG test object were employed. Various fields of view (FOV) were selected. For CBCT, the study employed head and body dose phantoms, Catphan 504, and an anthropomorphic cardiology phantom...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295547/practitioner-perceptions-of-the-anaesthetic-needs-for-magnetic-resonance-imaging-in-paediatric-patients
#8
Glenn E Mann, Adam Canter, Singh Nair, Donna LaMonica, Madelyn Kahana, Jennifer Yoo, Ellise Delphin
No abstract text is available yet for this article.
March 12, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28292861/assessment-of-diffuse-ventricular-myocardial-fibrosis-using-native-t1-in-children-with-repaired-tetralogy-of-fallot
#9
Deane Yim, Eugenie Riesenkampff, Pablo Caro-Dominguez, Shi-Joon Yoo, Mike Seed, Lars Grosse-Wortmann
BACKGROUND: Myocardial fibrosis is linked with adverse clinical outcomes in adults after tetralogy of Fallot repair (rTOF). Native T1 times (T1) by cardiac magnetic resonance have been shown to be a surrogate marker of diffuse myocardial fibrosis. The objective was to quantify native T1 in children post-rTOF and to evaluate their relationship with surgical, imaging, and clinical factors. METHODS AND RESULTS: A retrospective cross-sectional study was performed. Midventricular native T1 were obtained in 100 children post-rTOF using a modified look-locker inversion recovery cardiac magnetic resonance sequence and compared with 35 pediatric controls...
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28284205/usage-of-3d-models-of-tetralogy-of-fallot-for-medical-education-impact-on-learning-congenital-heart-disease
#10
RANDOMIZED CONTROLLED TRIAL
Yue-Hin Loke, Ashraf S Harahsheh, Axel Krieger, Laura J Olivieri
BACKGROUND: Congenital heart disease (CHD) is the most common human birth defect, and clinicians need to understand the anatomy to effectively care for patients with CHD. However, standard two-dimensional (2D) display methods do not adequately carry the critical spatial information to reflect CHD anatomy. Three-dimensional (3D) models may be useful in improving the understanding of CHD, without requiring a mastery of cardiac imaging. The study aimed to evaluate the impact of 3D models on how pediatric residents understand and learn about tetralogy of Fallot following a teaching session...
March 11, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28279417/cardio-oncology-related-to-heart-failure-pediatric-considerations-for-cardiac-dysfunction
#11
REVIEW
Kirsten Rose-Felker, William L Border, Borah J Hong, Eric J Chow
Although tremendous advances in pediatric cancer treatment have improved the survival of many children, these patients remain at increased risk of early morbidity and mortality with cardiovascular disease as a leading cause of death. Heightened awareness in providers with increased surveillance and improvement in cardiovascular imaging modalities have led to earlier detection of cardiac dysfunction, but the outcomes remain poor once this has dysfunction developed. A great deal of work remains to be done to refine screening and identify high-risk patients more precisely, and to develop more evidence-based strategies for effective primary and secondary cardioprotection and treatment...
April 2017: Heart Failure Clinics
https://www.readbyqxmd.com/read/28277918/concordance-of-fetal-echocardiography-in-the-diagnosis-of-congenital-cardiac-disease-utilizing-updated-guidelines
#12
Marijo Aguilera, Kirsten Dummer
OBJECTIVE: We sought to examine the concordance of prenatally diagnosed congenital cardiac disease with postnatal echocardiography. STUDY DESIGN: Patients who underwent fetal echocardiograms performed by pediatric cardiologists at a single referral center from January to December 2014 were reviewed. Fetal echocardiography exams were performed in accordance with guidelines by the American Institute of Ultrasound in Medicine (AIUM) and the American Heart Association (AHA) guidelines (2013 and 2014, respectively)...
March 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28266954/diagnostic-value-of-procalcitonin-on-early-postoperative-infection-after-pediatric-cardiac-surgery
#13
Xia Li, Xu Wang, Shoujun Li, Jun Yan, Dan Li
OBJECTIVES: Assess the diagnostic value of serial monitoring of procalcitonin levels on early postoperative infection after pediatric cardiac surgery with cardiopulmonary bypass. DESIGN: Prospective, observational study. SETTING: A pediatric cardiac surgical ICU (PICU) and pediatric cardiac surgery department at Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College. PATIENTS: Patients were 3 years old and below, underwent cardiac surgery involving cardiopulmonary bypass, the Aristotle Comprehensive Complexity score was 8 or higher and free from active preoperative infection or inflammatory disease...
March 6, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28254555/epidemiology-and-outcomes-of-arterial-ischemic-stroke-in-children-the-canadian-pediatric-ischemic-stroke-registry
#14
Gabrielle A deVeber, Adam Kirton, Frances A Booth, Jerome Y Yager, Elaine C Wirrell, Ellen Wood, Michael Shevell, Ann-Marie Surmava, Patricia McCusker, M Patricia Massicotte, Daune MacGregor, E Athen MacDonald, Brandon Meaney, Simon Levin, Bernard G Lemieux, Lawrence Jardine, Peter Humphreys, Michèle David, Anthony K C Chan, David J Buckley, Bruce H Bjornson
BACKGROUND: Pediatric arterial ischemic stroke remains incompletely understood. Population-based epidemiological data inform clinical trial design but are scant in this condition. We aimed to determine age-specific epidemiological characteristics of arterial ischemic stroke in neonates (birth to 28 days) and older children (29 days to 18 years). METHODS: We conducted a 16-year, prospective, national population-based study, the Canadian Pediatric Ischemic Stroke Registry, across all 16 Canadian acute care children's hospitals...
April 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28245348/acute-cardiac-mri-assessment-of-radiofrequency-ablation-lesions-for-pediatric-ventricular-arrhythmia-feasibility-and-clinical-correlation
#15
Elena K Grant, Charles I Berul, Russell R Cross, Jeffrey P Moak, Karin S Hamann, Kohei Sumihara, Ileen Cronin, Kendall J O'Brien, Kanishka Ratnayaka, Michael S Hansen, Peter Kellman, Laura J Olivieri
BACKGROUND: Arrhythmia ablation with current techniques is not universally successful. Inadequate ablation lesion formation may be responsible for some arrhythmia recurrences. Peri-procedural visualization of ablation lesions may identify inadequate lesions and gaps to guide further ablation and reduce risk of arrhythmia recurrence. METHODS: This feasibility study assessed acute post-procedure ablation lesions by MRI, and correlated these findings with clinical outcomes...
February 28, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28243594/an-overview-and-evaluation-of-recent-machine-learning-imputation-methods-using-cardiac-imaging-data
#16
Yuzhe Liu, Vanathi Gopalakrishnan
Many clinical research datasets have a large percentage of missing values that directly impacts their usefulness in yielding high accuracy classifiers when used for training in supervised machine learning. While missing value imputation methods have been shown to work well with smaller percentages of missing values, their ability to impute sparse clinical research data can be problem specific. We previously attempted to learn quantitative guidelines for ordering cardiac magnetic resonance imaging during the evaluation for pediatric cardiomyopathy, but missing data significantly reduced our usable sample size...
March 2017: Data
https://www.readbyqxmd.com/read/28236133/subjective-and-objective-image-differences-in-pediatric-computed-tomography-cardiac-angiography-using-lower-iodine-concentration
#17
Jae-Yeon Hwang, Ki Seok Choo, Yoon Young Choi, Jin Hyeok Kim, Hwaseong Ryu, Junhee Han, Yong-Woo Kim, Ung Bae Jeon, Kyung Jin Nam
BACKGROUND: Several recent studies showed the optimal contrast enhancement with a low-concentration and iso-osmolar contrast media in both adult and pediatric patients. However, low contrast media concentrations are not routinely used due to concerns of suboptimal enhancement of cardiac structures and small vessels. OBJECTIVE: To evaluate the feasibility of using iso-osmolar contrast media containing a low iodine dose for CT cardiac angiography at 80 kilovolts (kVp) in neonates and infants...
February 24, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28210569/infant-acute-myocarditis-mimicking-acute-myocardial-infarction
#18
Maher Jedidi, Samia Tilouche, Tasnim Masmoudi, Maha Sahnoun, Youssef Chkirbène, Sarra Mestiri, Lamia Boughamoura, Mohamed Ben Dhiab, Mohamed Kamel Souguir
Myocarditis is an inflammatory disease of the myocardium with heterogeneous clinical manifestations and progression. In clinical practice, although there are many methods of diagnosis of acute myocarditis, the diagnosis remains an embarrassing dilemma for clinicians. The authors report the case of 9-month-old infant who was brought to the Pediatric Emergency Department with sudden onset dyspnea. Examination disclosed heart failure and resuscitation was undertaken. The electrocardiogram showed an ST segment elevation in the anterolateral leads with a mirror image...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28198527/coexistence-of-bicuspid-aortic-valve-aberrant-right-subclavian-artery-and-common-origin-of-carotid-arteries
#19
Paweł Tyczyński, Ilona Michałowska, Aneta Fronczak, Rafał Wolny, Hubert Łazarczyk, Zbigniew Chmielak, Adam Witkowski
BACKGROUND: Prevalence of bicuspid aortic valve (BAV) and right aberrant subclavian artery (ASA) separately is relatively common in general population, and much higher in some disorders. Surprisingly, coexistence of both valve and vessel anomalies has only been reported in single cases. METHODS: From 2008 to 2016, in a single, high-volume tertiary cardiac center, patients who underwent chest computed tomography or magnetic resonance imaging for various reasons, were retrospectively screened for the presence of right ASA...
February 15, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28185475/4d-flow-magnetic-resonance-imaging-role-in-pediatric-congenital-heart-disease
#20
Claire M Lawley, Kathryn M Broadhouse, Fraser M Callaghan, David S Winlaw, Gemma A Figtree, Stuart M Grieve
Imaging-based evaluation of cardiac structure and function remains paramount in the diagnosis and monitoring of congenital heart disease in childhood. Accurate measurements of intra- and extracardiac hemodynamics are required to inform decision making, allowing planned timing of interventions prior to deterioration of cardiac function. Four-dimensional flow magnetic resonance imaging is a nonionizing noninvasive technology that allows accurate and reproducible delineation of blood flow at any anatomical location within the imaging volume of interest, and also permits derivation of physiological parameters such as kinetic energy and wall shear stress...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
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