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Pediatric Cardiology

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https://www.readbyqxmd.com/read/28220188/upcoming-events-in-pediatric-cardiology
#1
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No abstract text is available yet for this article.
February 20, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214968/piloting-the-use-of-patient-specific-cardiac-models-as-a-novel-tool-to-facilitate-communication-during-cinical-consultations
#2
Giovanni Biglino, Despina Koniordou, Marisa Gasparini, Claudio Capelli, Lindsay-Kay Leaver, Sachin Khambadkone, Silvia Schievano, Andrew M Taylor, Jo Wray
This pilot study aimed to assess the impact of using patient-specific three-dimensional (3D) models of congenital heart disease (CHD) during consultations with adolescent patients. Adolescent CHD patients (n = 20, age 15-18 years, 15 male) were asked to complete two questionnaires during a cardiology transition clinic at a specialist centre. The first questionnaire was completed just before routine consultation with the cardiologist, the second just after the consultation. During the consultation, each patient was presented with a 3D full heart model realised from their medical imaging data...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214967/increased-atrial-%C3%AE-adrenergic-receptors-and-grk-2-gene-expression-can-play-a-fundamental-role-in-heart-failure-after-repair-of-congenital-heart-disease-with-cardiopulmonary-bypass
#3
Marcela Silva Oliveira, Fabio Carmona, Walter V A Vicente, Paulo H Manso, Karina M Mata, Mara Rúbia Celes, Erica C Campos, Simone G Ramos
Surgeries to correct congenital heart diseases are increasing in Brazil and worldwide. However, even with the advances in surgical techniques and perfusion, some cases, especially the more complex ones, can develop heart failure and death. A retrospective study of patients who underwent surgery for correction of congenital heart diseases with cardiopulmonary bypass (CPB) in a university tertiary-care hospital that died, showed infarction in different stages of evolution and scattered microcalcifications in the myocardium, even without coronary obstruction...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214966/anomalous-coronary-arteries-and-myocardial-bridges-risk-stratification-in-children-using-novel-cardiac-catheterization-techniques
#4
Hitesh Agrawal, Silvana Molossi, Mahboob Alam, S Kristen Sexson-Tejtel, Carlos M Mery, E Dean McKenzie, Charles D Fraser, Athar M Qureshi
The evaluation of the vast majority of children with anomalous aortic origin of a coronary artery (AAOCA) and/or myocardial bridges is performed with non-invasive testing. However, a subset of these patients may benefit from invasive testing for risk stratification. All patients included in the Coronary Anomalies Program (CAP) at Texas Children's Hospital who underwent cardiac catheterization were included. Techniques included selective coronary angiograms (SCA), intravascular ultrasound (IVUS), and fractional flow reserve (FFR) measurements with provocative testing using adenosine and/or dobutamine infusions...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214965/surgical-correction-of-aberrant-right-coronary-anomalies-stranding-an-aortic-commissure-with-and-without-unroofing
#5
Khaled Abdelhady, Samarth Durgam, Chawki Elzein, Michel N Ilbawi, David Rhoiney, Malek G Massad
The technique for successful surgical correction of an anomalous origin of the right coronary artery from the opposite aortic cusp with an aberrant course between the aorta and pulmonary artery is illustrated in a symptomatic 62-year-old woman. The intramural course of the right coronary artery traversed the tip of the commissure between the anterior and posterior leaflets, and its repair entailed unroofing of the intramural segment from inside the aortic intima. This technique required resuspension of the overlying commissure to maintain optimal aortic valve leaflet coaptation and prevent aortic insufficiency...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214964/speckle-tracking-in-alcapa-patients-after-surgical-repair-as-predictor-of-residual-coronary-disease
#6
Biagio Castaldi, Vladimiro Vida, Elena Reffo, Massimo Padalino, Queenette Daniels, Giovanni Stellin, Ornella Milanesi
Surgical re-implantation of the left coronary artery (LCA) is the treatment of choice in anomalous origin of left coronary artery from pulmonary artery (ALCAPA). Despite normalization of left ventricular function after surgery, residual coronary lesions or myocardial fibrosis may be found. The aim of this study was to detect regional left ventricular dysfunction predictive of coronary lesions or residual myocardial fibrosis using speckle tracking. We enrolled ten patients treated with surgical re-implantation of LCA for ALCAPA...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28210769/preprocedural-risk-assessment-prior-to-ppvi-with-cmr-and-cardiac-ct
#7
Ladonna Malone, Brian Fonseca, Thomas Fagan, Jane Gralla, Neil Wilson, Micheal DiMaria, Uyen Truong, Lorna P Browne
Percutaneous pulmonary valve intervention (PPVI) is a less invasive and less costly approach to pulmonary valve replacement compared with the surgical alternative. Potential complications of PPVI include coronary compression and pulmonary arterial injury/rupture. The purpose of this study was to characterize the morphological risk factors for PPVI complication with cardiac MRI and cardiac CTA. A retrospective review of 88 PPVI procedures was performed. 44 patients had preprocedural cardiac MRIs or CTAs available for review...
February 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28210768/the-lymphatic-circulation-in-adaptations-to-the-fontan-circulation
#8
REVIEW
Sabarinath Menon, Murthy Chennapragada, Shinya Ugaki, Gary F Sholler, Julian Ayer, David S Winlaw
Failing Fontan continues to be major problem for patients on the univentricular pathway. Failing Fontan is often complicated by chylothorax, plastic bronchitis and protein loosing enteropathy. The role of lymphatic circulation in Fontan circulation is still being researched. Newer imaging modalities give insight into the role of abnormal dilatation and retrograde flow in lymphatic channels post Fontan. Interventional strategies targeting abnormal lymphatic channels, provides an alternative management strategy for patients with failing Fontan...
February 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28197645/subclinical-decrease-in-myocardial-function-in-asymptomatic-infants-of-diabetic-mothers-a-tissue-doppler-study
#9
Jenny E Zablah, Dorota Gruber, Guillaume Stoffels, Estefania G Cabezas, Denise A Hayes
Infants of diabetic mothers (IDMs) with hypertrophic cardiomyopathy are recognized to have impaired myocardial performance, but less is known about ventricular function in IDMs without hypertrophy. We hypothesized that in asymptomatic newborns with normal two-dimensional echocardiographic evaluations, pulsed wave tissue Doppler imaging (TDI) would suggest a subclinical decrease in the cardiac function of IDMs compared to infants of non-diabetics (nIDMs). This is a retrospective cohort study of asymptomatic neonates ≥36 weeks gestation, at 0-7 days of life, with normal standard echocardiograms...
February 14, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28197644/routine-application-of-bloodless-priming-in-neonatal-cardiopulmonary-bypass-a-3-year-experience
#10
Wolfgang Boettcher, Nicodème Sinzobahamvya, Oliver Miera, Matthias Redlin, Frank Dehmel, Mi-Young Cho, Peter Murin, Felix Berger, Joachim Photiadis
A restrictive transfusion strategy led us to routinely try to conduct donor-blood free open-heart surgery even in neonates. The cardio-pulmonary bypass (CPB) circuit was minimized by priming volumina at 73 ml for the smallest patients with body weight up to 2.5 kg and 85-95 ml for those with body weight of more than 2.5 kg, and by positioning the console as close as possible to operation table. Measures were applied to save blood during the procedure. Transfusion threshold of 8 g/dl hemoglobin was retained...
February 14, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28190141/predicting-fluid-responsiveness-in-children-undergoing-cardiac-surgery-after-cardiopulmonary-bypass
#11
Isabella Favia, Stefano Romagnoli, Luca Di Chiara, Zaccaria Ricci
Dynamic parameters of fluid responsiveness (FR), namely aortic blood flow velocity variation (delta V peak), left ventricular velocity-time integral variation (delta VTI), stroke volume variation, and pulse pressure variation (PPV) have demonstrated good diagnostic performance for the prediction of response to fluid loading in mechanically ventilated critically ill adult patients. We aimed to evaluate these parameters in children undergoing cardiac surgery. A retrospective observational study of mechanically ventilated patients weighing less than 20 kg who received a volume expansion (VE) of 10 ml/kg after sternal closure was conducted...
February 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28190140/complete-repair-of-tetralogy-of-fallot-in-the-neonatal-versus-non-neonatal-period-a-meta-analysis
#12
REVIEW
Rohit S Loomba, Matthew W Buelow, Ronald K Woods
It is unclear if neonatal tetralogy of Fallot repair offers better outcomes compared to repair later in infancy. We therefore conducted a meta-analysis comparing outcomes of neonatal and non-neonatal repair. Manuscripts were identified and reviewed for quality and bias with favorably scored manuscripts being included in the final meta-analysis. Several perioperative and postoperative variables were compared. A total of 8 studies with 3858 patients were included in the analysis. Of these patients, 19% underwent neonatal repair...
February 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28184979/association-between-hematologic-and-inflammatory-markers-and-31-thrombotic-and-hemorrhagic-events-in-berlin-heart-excor-patients
#13
Amit Iyengar, Matthew L Hung, Kian Asanad, Oh Jin Kwon, Nicholas J Jackson, Brian L Reemtsen, Myke D Federman, Reshma M Biniwale
Bleeding and thrombotic events remain a significant cause of morbidity in pediatric patients supported with ventricular assist devices (VADs). The objective of this study is to identify the association between markers of anticoagulation and bleeding and thrombosis events during Berlin Heart ExCor support. A retrospective, single-center analysis of 9 patients supported with the Berlin Heart ExCor was performed. Inflammatory and anticoagulation parameters including C-reactive protein, fibrinogen, partial thromboplastin time (PTT), and platelet count were measured at 48 and 24 h before and after bleeding or thrombosis events...
February 10, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28184978/readiness-for-transition-to-adult-health-care-for-young-adolescents-with-congenital-heart-disease
#14
Kimberly T Stewart, Nita Chahal, Adrienne H Kovacs, Cedric Manlhiot, Ahlexxi Jelen, Tanveer Collins, Brian W McCrindle
This study evaluates transition readiness, medical condition knowledge, self-efficacy, and illness uncertainty in young adolescents (ages 12 to 15 years) with congenital heart disease (CHD), and medical, patient, and parental factors associated with transition readiness. We enrolled 82 patients with moderate or complex CHD (n = 36, 44% male; mean age 13.6 ± 1.3 years), and their parents. Patients completed standardized self-report measures: Transition Readiness Assessment Questionnaire (TRAQ), MyHeart scale, General Self-Efficacy scale, and Children's Uncertainty in Illness Scale...
February 10, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28184977/lateral-atrial-tunnel-fontan-operation-predisposes-to-the-junctional-rhythm
#15
Katarzyna Januszewska, Anna Schuh, Anja Lehner, Robert Dalla-Pozza, Edward Malec
The goal of the study was to compare the early postoperative course after fenestrated lateral atrial tunnel (LT) and non-fenestrated extracardiac conduit (EC) Fontan operation (FO) in a single center where both techniques were parallelly used. Between 2004 and 2012, 56(32.7%) children underwent LT and 113(66.1%) EC FO. The mean age was 3.7 ± 2.9 years and mean weight was 14.6 ± 7.3 kg. The most common malformation was hypoplastic left heart syndrome (50.9%). The general approach was to perform LT in children after hemi-Fontan operation and EC in patients after Glenn anastomosis...
February 10, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28184976/decreased-diastolic-ventricular-kinetic-energy-in-young-patients-with-fontan-circulation-demonstrated-by-four-dimensional-cardiac-magnetic-resonance-imaging
#16
Pia Sjöberg, Einar Heiberg, Pär Wingren, Jens Ramgren Johansson, Torsten Malm, Håkan Arheden, Petru Liuba, Marcus Carlsson
Four-dimensional (4D) flow magnetic resonance imaging (MRI) enables quantification of kinetic energy (KE) in intraventricular blood flow. This provides a novel way to understand the cardiovascular physiology of the Fontan circulation. In this study, we aimed to quantify the KE in functional single ventricles. 4D flow MRI was acquired in eleven patients with Fontan circulation (median age 12 years, range 3-29) and eight healthy volunteers (median age 26 years, range 23-36). Follow-up MRI after surgical or percutaneous intervention was performed in 3 patients...
February 10, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28184975/alkaline-phosphatase-a-biomarker-of-cardiac-function-in-pediatric-patients
#17
Elizabeth S Makil, Xinyu Tang, Elizabeth A Frazier, R Thomas Collins
Myocardial dysfunction and heart failure are common in pediatric patients with congenital and acquired heart disease. Alkaline phosphatase (AP) has been suggested as a biomarker for myocardial dysfunction after Fontan operation. We hypothesized that pediatric patients with myocardial dysfunction requiring orthotopic heart transplant (OHT) have diminished AP compared to normal. A retrospective review was performed in all patients who underwent OHT at Arkansas Children's Hospital between January 2007 and October 2012...
February 9, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28161811/advances-in-pediatric-cardiology-boot-camp-boot-camp-training-promotes-fellowship-readiness-and-enables-retention-of-knowledge
#18
Scott R Ceresnak, David M Axelrod, Loren D Sacks, Kara S Motonaga, Emily R Johnson, Catherine D Krawczeski
We previously demonstrated that a pediatric cardiology boot camp can improve knowledge acquisition and decrease anxiety for trainees. We sought to determine if boot camp participants entered fellowship with a knowledge advantage over fellows who did not attend and if there was moderate-term retention of that knowledge. A 2-day training program was provided for incoming pediatric cardiology fellows from eight fellowship programs in April 2016. Hands-on, immersive experiences and simulations were provided in all major areas of pediatric cardiology...
February 4, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28161810/mutation-screening-of-gata4-gene-in-ctd-patients-within-chinese-han-population
#19
Yang Liu, Bojian Li, Yuejuan Xu, Kun Sun
Conotruncal heart defect is a complex form of congenital heart disease and usually has a poor prognosis. Although previous studies have identified several missense variants in GATA4 gene that may cause CTD, it remains unclear whether they are involved in CTD pathogenesis because the study population was limited. The aim of the study was to investigate the mutations of GATA4 gene in isolated CTD Chinese Han patients and identify the pathomechanism of the missense mutations. In this report, the coding exons and exon-intron boundaries of the GATA4 gene were sequenced in 600 CTD patients and 300 controls...
February 4, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28161809/alteration-of-cardiac-deformation-in-acute-rejection-in-pediatric-heart-transplant-recipients
#20
Nitin Chanana, Charlotte S Van Dorn, Melanie D Everitt, Hsin Yi Weng, Dylan V Miller, Shaji C Menon
The objective of this study is to assess changes in cardiac deformation during acute cellular- and antibody-mediated rejection in pediatric HT recipients. Pediatric HT recipients aged ≤18 years with at least one episode of biopsy-diagnosed rejection from 2006 to 2013 were included. Left ventricular systolic S (SS) and SR (SSr) data were acquired using 2D speckle tracking on echocardiograms obtained within 12 h of right ventricular endomyocardial biopsy. A mixed effect model was used to compare cardiac deformation during CR (Grade ≥ 1R), AMR (pAMR ≥ 2), and mixed rejection (CR and AMR positive) versus no rejection (Grade 0R and pAMR 0 or 1)...
February 4, 2017: Pediatric Cardiology
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