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pediatric cardiac imaging

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https://www.readbyqxmd.com/read/28802483/left-ventricular-systolic-myocardial-deformation-a%C3%A2-comparison-of-two-and-three-dimensional-echocardiography-in-children
#1
Sowmya Balasubramanian, Rajesh Punn, Shea N Smith, Helene Houle, Theresa A Tacy
BACKGROUND: The clinical applicability and reliability of three-dimensional (3D) speckle-tracking echocardiography has not been well studied in pediatric patients. The aim of this study was to compare two-dimensional (2D) echocardiography and 3DE real-time full-volume-derived strain and rotation indices in healthy children and patients with dilated cardiomyopathy (DCM). METHODS: Children with either normal function or DCM were prospectively recruited in an outpatient setting, and deformation indices, including circumferential, radial, and longitudinal strain and torsion, were measured by 2D and 3D echocardiography...
August 9, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28795324/the-fgf23-klotho-axis-and-cardiac-tissue-doppler-imaging-in-pediatric-chronic-kidney-disease-a-prospective-cohort-study
#2
Ylva Tranæus Lindblad, Hannes Olauson, Georgios Vavilis, Ulf Hammar, Maria Herthelius, Jonas Axelsson, Peter Bárány
BACKGROUND: Chronic kidney disease-associated mineral bone disorder (CKD-MBD) is common in pediatric kidney disease patients and a risk factor for future cardiovascular disease (CVD). Fibroblast growth factor-23 (FGF23) and Klotho are novel key players in CKD-MBD, and has been suggested to be involved in the development of CVD. METHODS: This prospective cohort study included 74 pediatric patients; 31 with CKD (age range 0.8-18.8 years, glomerular filtration rate (GFR) range 9-68 mL/min/1...
August 9, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28781924/cerebral-microhemorrhage-a-frequent-magnetic-resonance-imaging-finding-in-pediatric-patients-after-cardiopulmonary-bypass
#3
Paggie P C Kim, Benjamin W Nasman, Erica L Kinne, Udochukwu E Oyoyo, Daniel K Kido, J P Jacobson
OBJECTIVES: This study was undertaken to estimate the incidence and burden of cerebral microhemorrhage (CM) in patients with heart disease who underwent cardiopulmonary bypass (CPB), as detected on susceptibility-weighted imaging (SWI), a magnetic resonance (MR) sequence that is highly sensitive to hemorrhagic products. MATERIALS AND METHODS: With Institutional Review Board waiver of consent, MR imaging (MRI) of a cohort of 86 consecutive pediatric patients with heart failure who underwent heart transplantation evaluation were retrospectively reviewed for CM...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28777701/a-pet-mr-imaging-approach-for-the-integrated-assessment-of-chemotherapy-induced-brain-heart-and-bone-injuries-in-pediatric-cancer-survivors-a-pilot-study
#4
Ashok J Theruvath, Anat Ilivitzki, Anne Muehe, Johanna Theruvath, Praveen Gulaka, Christine Kim, Sandra Luna-Fineman, Kathleen M Sakamoto, Kristen W Yeom, Phillip Yang, Michael Moseley, Frandics Chan, Heike E Daldrup-Link
Purpose To develop a positron emission tomography (PET)/magnetic resonance (MR) imaging protocol for evaluation of the brain, heart, and joints of pediatric cancer survivors for chemotherapy-induced injuries in one session. Materials and Methods Three teams of experts in neuroimaging, cardiac imaging, and bone imaging were tasked to develop a 20-30-minute PET/MR imaging protocol for detection of chemotherapy-induced tissue injuries of the brain, heart, and bone. In an institutional review board-approved, HIPAA-compliant, prospective study from April to July 2016, 10 pediatric cancer survivors who completed chemotherapy underwent imaging of the brain, heart, and bone with a 3-T PET/MR imager...
August 4, 2017: Radiology
https://www.readbyqxmd.com/read/28774277/novel-approaches-to-the-prediction-diagnosis-and-treatment-of-cardiac-late-effects-in-survivors-of-childhood-cancer-a-multi-centre-observational-study
#5
Amy Skitch, Seema Mital, Luc Mertens, Peter Liu, Paul Kantor, Lars Grosse-Wortmann, Cedric Manlhiot, Mark Greenberg, Paul C Nathan
BACKGROUND: Anthracycline-induced cardiac toxicity is a cause of significant morbidity and early mortality in survivors of childhood cancer. Current strategies for predicting which children are at greatest risk for toxicity are imperfect and diagnosis of cardiac injury is usually made relatively late in the natural history of the disease. This study aims to identify genomic, biomarker and imaging parameters that can be used as predictors of risk or aid in the early diagnosis of cardiotoxicity...
August 3, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28770307/reduction-in-radiation-dose-in-a-pediatric-cardiac-catheterization-lab-using-the-philips-alluraclarity-x-ray-system
#6
Patrick M Sullivan, David Harrison, Sarah Badran, Cheryl M Takao, Frank F Ing
The objective of this study was to compare radiation doses and imaging quality using Philips AlluraClarity (Philips Healthcare, Best, The Netherlands) X-ray system and an older generation reference system. AlluraClarity is a new generation fluoroscopy system designed to reduce radiation without compromising image quality, but reports of its use in pediatric patients are limited. Dose area products (DAP, mGy cm(2)) and DAP/kg were compared in patients catheterized using Allura Xper and AlluraClarity systems over a year of use for each...
August 2, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28740641/lung-ultrasound-a-new-basic-easy-multifunction-imaging-diagnostic-tool-in-children-undergoing-pediatric-cardiac-surgery
#7
EDITORIAL
Massimiliano Cantinotti, Raffaele Giordano, Israel Valverde
No abstract text is available yet for this article.
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28736987/cardiac-stress-mri-evaluation-of-anomalous-aortic-origin-of-a-coronary-artery
#8
Cory Noel
Myocardial ischemia is an insult that is primarily thought of in an adult population. However, there are several congenital and acquired cardiac lesions that may lead to myocardial ischemia in a pediatric population. One of the prominent congenital lesions is anomalous aortic origin of a coronary artery (AAOCA). Anomalous aortic origin of a coronary artery is one of the leading causes sudden cardiac death in pediatric and young adult patients, and thus the assessment of myocardial perfusion is of the utmost importance...
July 24, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28734657/exercise-performance-and-22q11-2-deletion-status-affect-quality-of-life-in-tetralogy-of-fallot
#9
Elizabeth Goldmuntz, Amy Cassedy, Laura Mercer-Rosa, Mark A Fogel, Stephen M Paridon, Bradley S Marino
OBJECTIVE: To identify mediators of health status and quality of life (QOL) in children and adolescents aged 8-18 years old following surgical repair for tetralogy of Fallot (TOF), including resource use, exercise performance, and 22q11.2 deletion status. STUDY DESIGN: We performed a corollary study to a cross-sectional analysis of subjects following repair for TOF that completed cardiac magnetic resonance imaging, cardiopulmonary exercise tests, and instruments assessing health status and QOL...
July 19, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28708210/particle-image-velocimetry-tests-on-pediatric-45-cc-and-30-cc-ventricle-assist-devices-effects-of-heart-rate-on-vad-operation
#10
Dariusz Witkowski, Damian Obidowski, Piotr Reorowicz, Daniel Jodko, Krzysztof Jozwik
BACKGROUND: This study investigated flow analysis inside pediatric ventricle assist devices (VADs) designed and manufactured at the Foundation for Cardiac Surgery Development (FRK), Zabrze, Poland. The main goal of the experiment was to define the minimal heart rate admissible in clinical practice. METHODS: The flow was directed by mechanical, single-disc valves developed at the Lodz University of Technology, Institute of Turbomachinery in Lodz, Poland. VAD operation conditions under different heart rates were analyzed...
July 8, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28704916/three-dimensional-echocardiography-in-adult-congenital-heart-disease
#11
REVIEW
Hyun Suk Yang
Congenital heart disease (CHD) is now more common in adults than in children due to improvements in fetal echo, neonatal and pediatric care, and surgical techniques leading to dramatically increased survivability into adulthood. Adult patients with CHD, regardless of prior cardiac surgery, experience further cardiac problems or therapeutic challenges; therefore, a non-invasive, easily accessible echocardiographic examination is an essential follow-up tool. Among echocardiographic modalities, three-dimensional (3D) echocardiography provides better delineation of spatial relationships in complex cardiac geometries and more accurate volumetric information without geometric assumptions...
July 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28670826/current-practices-are-variable-in-the-evaluation-and-management-of-patients-with-anomalous-aortic-origin-of-a-coronary-artery-results-of-a-survey
#12
Hitesh Agrawal, Carlos M Mery, Patrick E Day, S Kristen Sexson Tejtel, E Dean McKenzie, Charles D Fraser, Athar M Qureshi, Silvana Molossi
BACKGROUND: Anomalous aortic origin of a coronary artery (AAOCA) is the second leading cause of sudden cardiac death in young athletes in the USA. Long-term outcome data for these patients are lacking to date. There is insufficient knowledge on the best approach to these patients and they are managed in a nonuniform manner. METHODS: An online survey of 15 questions regarding management of AAOCA was sent out to 198 cardiac healthcare providers. The goal was to define gaps in knowledge to justify a dedicated scientific forum for discussion of AAOCA...
July 2, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28667349/pediatric-320-row-cardiac-computed-tomography-using-electrocardiogram-gated-model-based-full-iterative-reconstruction
#13
Go Shirota, Eriko Maeda, Yoko Namiki, Razibul Bari, Kenji Ino, Rumiko Torigoe, Osamu Abe
BACKGROUND: Full iterative reconstruction algorithm is available, but its diagnostic quality in pediatric cardiac CT is unknown. OBJECTIVE: To compare the imaging quality of two algorithms, full and hybrid iterative reconstruction, in pediatric cardiac CT. MATERIALS AND METHODS: We included 49 children with congenital cardiac anomalies who underwent cardiac CT. We compared quality of images reconstructed using the two algorithms (full and hybrid iterative reconstruction) based on a 3-point scale for the delineation of the following anatomical structures: atrial septum, ventricular septum, right atrium, right ventricle, left atrium, left ventricle, main pulmonary artery, ascending aorta, aortic arch including the patent ductus arteriosus, descending aorta, right coronary artery and left main trunk...
June 30, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28659144/impaired-right-ventricular-contractile-function-in-childhood-obesity-and-its-association-with-right-and-left-ventricular-changes-a-cine-dense-cardiac-magnetic-resonance-study
#14
Linyuan Jing, Arichanah Pulenthiran, Christopher D Nevius, Abba Mejia-Spiegeler, Jonathan D Suever, Gregory J Wehner, H Lester Kirchner, Christopher M Haggerty, Brandon K Fornwalt
BACKGROUND: Pediatric obesity is a growing public health problem, which is associated with increased risk of cardiovascular disease and premature death. Left ventricular (LV) remodeling (increased myocardial mass and thickness) and contractile dysfunction (impaired longitudinal strain) have been documented in obese children, but little attention has been paid to the right ventricle (RV). We hypothesized that obese/overweight children would have evidence of RV remodeling and contractile dysfunction...
June 28, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28623545/analysis-of-genotypes-and-phenotypes-in-chinese-children-with-tuberous-sclerosis-complex
#15
Dayong Bai, Junyang Zhao, Li Li, Jun Gao, Xu Wang
Tuberous sclerosis complex (TSC) is a neurocutaneous syndrome with serious clinical presentations, an autosomal dominant genetic disorder involving multiple organs and systems. We retrospectively investigated the clinical manifestations and genotypes of 20 Chinese children with TSC to enable informed diagnostic and surveillance recommendations in China. A retrospective analysis of clinical manifestations in 20 children (7.00±5.30 years old) with TSC was conducted. A genetic testing of the genes TSC1 and TSC2 was performed in 14 children...
June 14, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28617685/adult-congenital-heart-disease-magnitude-of-the-problem
#16
Akanksha N Thakkar, Ponraj Chinnadurai, C Huie Lin
PURPOSE OF REVIEW: To define the magnitude of problems faced by patients with adult congenital heart disease (ACHD) and to identify unmet needs for this population. RECENT FINDINGS: The ACHD population is estimated to include more than 1 million people in the United States and continues to grow at a steady rate. Owing to the decline in early mortality in this group, modern medicine is now faced by the long-term complications associated with congenital heart disease such as chronic heart failure, increased endocarditis risk, elevated burden of arrhythmias, pulmonary hypertension, valvular dysfunction, and pregnancy...
September 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28608434/use-of-3d-models-of-vascular-rings-and-slings-to-improve-resident-education
#17
Trahern W Jones, Michael D Seckeler
OBJECTIVE: Three-dimensional (3D) printing is a manufacturing method by which an object is created in an additive process, and can be used with medical imaging data to generate accurate physical reproductions of organs and tissues for a variety of applications. We hypothesized that using 3D printed models of congenital cardiovascular lesions to supplement an educational lecture would improve learners' scores on a board-style examination. DESIGN AND INTERVENTION: Patients with normal and abnormal aortic arches were selected and anonymized to generate 3D printed models...
June 13, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28580760/stress-echocardiography-an-overview-for-use-in-pediatric-and-congenital-cardiology
#18
Peter Ermis
Currently, the role of stress echocardiography primarily resides in diagnosing acquired coronary artery disease (CAD) in adults. Besides an increasing concern for traditional CAD in young patients due to obesity and other chronic pediatric diseases, there is also a growing population of adolescents and young adults with "at risk" coronary arteries due to: reimplanted coronaries in congenital heart disease, anomalous origin of the native coronary arteries, coronary abnormalities in Kawasaki's disease, and posttransplant coronary vasculopathy...
June 5, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28565750/myocardial-fibrosis-in-congenital-and-pediatric-heart-disease
#19
Jing Tian, Xinjiang An, Ling Niu
Cardiac fibrosis is a common phenomenon in different types of heart diseases, such as ischemic heart disease, inherited cardiomyopathy mutations, diabetes, and ageing and is associated with morbidity and mortality. Increased accumulation of extracellular matrix (ECM) that impacts cardiac function, is the underlying cause of fibrotic heart disease. There are four different types of cardiac fibrosis, including, reactive interstitial fibrosis, replacement fibrosis, infiltrative interstitial fibrosis and endomyocardial fibrosis...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28555404/abnormal-myocardial-contractility-after-pediatric-heart-transplantation-by-cardiac-mri
#20
Heynric B Grotenhuis, Emile C A Nyns, Paul F Kantor, Anne I Dipchand, Steven C Greenway, Shi-Joon Yoo, George Tomlinson, Rajiv R Chaturvedi, Lars Grosse-Wortmann
Acute cellular rejection (ACR) compromises graft function after heart transplantation (HTX). The purpose of this study was to describe systolic myocardial deformation in pediatric HTX and to determine whether it is impaired during ACR. Eighteen combined cardiac magnetic resonance imaging (CMR)/endomyocardial biopsy (EMBx) examinations were performed in 14 HTX patients (11 male, age 13.9 ± 4.7 years; 1.2 ± 1.3 years after HTX). Biventricular function and left ventricular (LV) circumferential strain, rotation, and torsion by myocardial tagging CMR were compared to 11 controls as well as between patients with and without clinically significant ACR...
August 2017: Pediatric Cardiology
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