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Pediatric Cardiology

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https://www.readbyqxmd.com/read/28101662/strategies-to-prevent-cast-formation-in-patients-with-plastic-bronchitis-undergoing-heart-transplantation
#1
John J Parent, Robert K Darragh, Jeffrey G Gossett, Thomas D Ryan, Chet R Villa, Angela Lorts, John L Jefferies, Jeffrey A Towbin, Clifford Chin
Plastic bronchitis, a rare complication after Fontan palliation, carries a high morbidity and mortality risk. Heart transplantation is an effective treatment option, but casts may occur in the early post-operative period. We present a case series detailing peri-operative management strategies to minimize morbidity and mortality related to plastic bronchitis in patients undergoing heart transplantation. Patient 1 received no treatment pre-, intra-, or post-transplant for prevention of bronchial casts and developed severe respiratory acidosis 18 h following transplant...
January 19, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28101661/erratum-to-home-monitoring-program-reduces-mortality-in-high-risk-sociodemographic-single-ventricle-patients
#2
Daniel Alexander Castellanos, Cynthia Herrington, Stacey Adler, Karen Haas, S Ram Kumar, Grace C Kung
No abstract text is available yet for this article.
January 19, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28101660/pocketecg-a-new-noninvasive-method-for-continuous-and-real-time-ecg-monitoring-initial-results-in-children-and-adolescents
#3
Katarzyna Bieganowska, Agnieszka Kaszuba, Maciej Bieganowski, Krzysztof Kaczmarek
Long-term ECG is widely used in diagnosis and assessment of many cardiac symptoms which may be caused by dangerous arrhythmias that sometimes can be difficult to document. The PocketECG system is a new technological solution for a long-term, noninvasive, continuous and real-time ECG monitoring that provides automatic diagnosis of dysrhythmias. ECG data transmission occurs over a mobile network. The goal of this study was to assess the reliability of long-term ECG recordings acquired with the PocketECG system...
January 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28101659/upcoming-events-in-pediatric-cardiology
#4
(no author information available yet)
No abstract text is available yet for this article.
January 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28078384/echocardiographic-versus-angiographic-assessment-of-patent-arterial-duct-in-percutaneous-closure-towards-x-ray-free-duct-occlusion
#5
Inês Carmo Mendes, Hannah Heard, Kelly Peacock, Thomas Krasemann, Gareth J Morgan
Device selection and procedural guidance for percutaneous ductal closure strongly rely upon angiographic and echocardiographic imaging. Current literature recognises 2D echocardiography as an essential tool for diagnosis and assessment but does not define a consistent methodology to optimise ductal measurement. There is little research comparing echocardiography with gold standard angiography for ductal measurement. Proving 2D echocardiographic ductal measurement to be equivalent to angiography could pave the way for its use as the primary modality in image guidance for percutaneous closure of the ductus...
January 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28078383/effects-of-triple-cryoenergy-application-on-lesion-formation-and-coronary-arteries-in-the-developing-myocardium
#6
Ulrich Krause, Filipe D Abreu da Cunha, David Backhoff, Claudius Jacobshagen, Sophia Klehs, Heike E Schneider, Thomas Paul
To improve long-term outcome after cryoablation of substrates of supraventricular tachycardia, application of two and three consecutive freeze-thaw cycles has been performed. The effect of triple freeze-thaw cycles on lesion formation within developing myocardium and coronary arteries, however, has not been studied yet. In eight piglets (mean age 15 weeks, weight 15-20 kg), 30 cryolesions (three consecutive freeze-thaw cycles) were applied to the atrial aspect of both AV valve annuli (n = 18) as well as to ventricular myocardium below the valves (n = 12)...
January 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28078382/timing-and-mode-of-delivery-in-prenatally-diagnosed-congenital-heart-disease-an-analysis-of-practices-within-the-university-of-california-fetal-consortium-ucfc
#7
Shabnam Peyvandi, Tina Ahn Thu Thi Nguyen, Myriam Almeida-Jones, Nina Boe, Laila Rhee, Tracy Anton, Mark Sklansky, Maryam Tarsa, Gary Satou, Anita J Moon-Grady
Prenatal diagnosis of critical congenital heart disease (CHD) is associated with decreased morbidity. It is also associated with lower birth weights and earlier gestational age at delivery. The University of California Fetal Consortium (UCfC) comprises five tertiary medical centers, and was created to define treatment practices. We utilized this consortium to assess delivery patterns and outcomes in subjects with prenatal and postnatal diagnosis of CHD. A retrospective cohort study was conducted on maternal-neonatal pairs diagnosed with complex CHD prenatally (n = 186) and postnatally (n = 110) from 2011 to 2013...
January 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28058479/electrocardiographic-rr-and-qt-interval-variability-in-patients-with-atrial-septal-defect-and-healthy-children
#8
Yoshihiko Eryu, Tadayoshi Hata, Arisa Nagatani, Yuri Funamoto, Hidetoshi Uchida, Masayuki Fujino, Hiroko Boda, Masafumi Miyata, Tetsushi Yoshikawa
Atrial septal defect is a common congenital heart disease. In patients with atrial septal defect, left-to-right shunting increases the right atrial and right ventricular preload. This pathological change affects sinus node automaticity and myocardial depolarization and repolarization, and has the potential to evoke arrhythmogenic substrates. We examined the effect of atrial septal defect on sinus node automaticity and myocardial repolarization by investigating the variability in the repolarization interval, namely the QT variability index (QTVI) and variability ratio (VR)...
January 5, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28058478/cardiac-magnetic-resonance-feature-tracking-biventricular-two-dimensional-and-three-dimensional-strains-to-evaluate-ventricular-function-in-children-after-repaired-tetralogy-of-fallot-as-compared-with-healthy-children
#9
Fernando M Berganza, Cesar Gonzalez de Alba, Nazire Özcelik, Dilachew Adebo
Cardiac magnetic resonance imaging is an important tool to evaluate cardiac anatomy and ventricular size and function after repaired tetralogy of Fallot. Magnetic resonance tissue tagging is the gold standard for evaluation of myocardial strain. However, myocardial tagging strain requires tagged images to be obtained prospectively, during the scan and with limited temporal resolution. Cardiac magnetic resonance feature tracking is a new tool that allows the retrospective analysis of cine images. There is limited experience with cardiac magnetic resonance feature tracking strain analysis in children...
January 5, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28039526/platelet-inhibition-in-shunted-infants-on-aspirin-at-short-and-midterm-follow-up
#10
Dongngan T Truong, Joyce T Johnson, David K Bailly, Jason R Clawson, Xiaoming Sheng, Phillip T Burch, Madolin K Witte, L LuAnn Minich
There are few data to guide aspirin therapy to prevent shunt thrombosis in infants. We aimed to determine if aspirin administered at conventional dosing in shunted infants resulted in ≥50% arachidonic acid (AA) inhibition in short and midterm follow-up using thromboelastography with platelet mapping (TEG-PM) and to describe bleeding and thrombotic events during follow-up. We performed a prospective observational study of infants on aspirin following Norwood procedure, aortopulmonary shunt alone, or cavopulmonary shunt surgery...
December 30, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/28005156/institution-of-veno-arterial-extracorporeal-membrane-oxygenation-does-not-lead-to-increased-wall-stress-in-patients-with-impaired-myocardial-function
#11
Andrew M Koth, David M Axelrod, Sushma Reddy, Stephen J Roth, Theresa A Tacy, Rajesh Punn
The effect of veno-arterial extracorporeal membrane oxygenation (VA ECMO) on wall stress in patients with cardiomyopathy, myocarditis, or other cardiac conditions is unknown. We set out to determine the circumferential and meridional wall stress (WS) in patients with systemic left ventricles before and during VA ECMO. We established a cohort of patients with impaired myocardial function who underwent VA ECMO therapy from January 2000 to November 2013. Demographic and clinical data were collected and inotropic score calculated...
December 22, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27995292/initial-experience-with-elective-perventricular-melody-valve-placement-in-small-patients
#12
Aamisha Gupta, Damien Kenny, Massimo Caputo, Zahid Amin
Perventricular Melody valve placement has been described as a bailout approach or alternative RVOT approach in patients >30 kg. We present three patients <20 kg and two patients with limited venous access, where we electively performed the perventricular approach. Retrospective analysis of patients <30 kg and vascular access limitation undergoing elective hybrid pulmonary valve replacement were reviewed. The subcostal approach was performed without sternotomy with the sheath introduced through the diaphragmatic surface of the right ventricle...
December 20, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27995291/assessing-myocardial-function-in-infants-with-pulmonary-hypertension-the-role-of-tissue-doppler-imaging-and-tricuspid-annular-plane-systolic-excursion
#13
Chalese Richardson, Cynthia Amirtharaj, Dorota Gruber, Denise A Hayes
Transthoracic echocardiography is the most common noninvasive method of evaluating pulmonary hypertension (PH) in infants. Identification of reliable, quantitative indices of myocardial function may enhance the diagnostic value of echocardiography in this population. We hypothesized that pulsed wave tissue Doppler imaging (TDI) and tricuspid annular plane systolic excursion (TAPSE) would be reproducible measurements and would suggest decreased ventricular function, in infants with PH. This retrospective case-control study involved subjects diagnosed clinically and echocardiographically with PH at <12 months of age, matched with controls by age and gestational age (GA)...
December 19, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27995290/transposition-of-great-arteries-with-complex-coronary-artery-variants-time-related-events-following-arterial-switch-operation
#14
Shada Al Anani, Ibtihaj Fughhi, Anas Taqatqa, Chawki Elzein, Michel N Ilbawi, Anastasios C Polimenakos
Coronary artery anatomy represents a challenging and, often, determining predictor of outcome in an arterial switch operation (ASO). Impact of specific coronary artery variants, such as single, intramural and inverted, on time-related events following ASO, is, yet, to be determined. We sought to compare early and late outcomes within the group of nonstandard coronary artery variants. Patients who underwent ASO from January 1995 to October 2010 were reviewed. Patients with coronary artery variants other than L1Cx1R2 ("standard" by Leiden classification) were included...
December 19, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27995289/the-fetus-with-ectopia-cordis-experience-and-expectations-from-two-centers
#15
Maria C Escobar-Diaz, Sherzana Sunderji, Wayne Tworetzky, Anita J Moon-Grady
Ectopia cordis (EC) is a rare congenital anomaly often associated with congenital heart disease (CHD). There is a lack of contemporary information on EC diagnosed prenatally. We sought to combine the experiences of two regional referral centers in order to evaluate current outcomes for EC. Clinical, echocardiographic features and perinatal outcomes of fetuses with EC managed at two large cardiac centers from 1995 to 2014 were retrospectively reviewed. Seventeen fetuses with EC were diagnosed at a median gestational age of 23 weeks (range 17-36)...
December 19, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27995288/nadolol-for-treatment-of-supraventricular-tachycardia-in-infants-and-young-children
#16
Johannes C von Alvensleben, Martin J LaPage, Regine Caruthers, David J Bradley
Supraventricular tachycardia (SVT) is a common infant arrhythmia, for which beta-blockers are frequently chosen as therapy. Propranolol is a common choice though it is dosed every 6-8 h. We reviewed the clinical results of treating infant SVT with an extemporaneous preparation of nadolol. Retrospective cohort study of patients under 2 years old receiving nadolol for SVT at a single center. Patients were ascertained by patient and pharmacy databases. Twenty-eight infants received nadolol, of whom 25 had regular narrow complex tachycardia, 2 atrial flutter, and 1 focal atrial tachycardia...
December 19, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27942762/tricuspid-atresia-with-non-compaction-an-early-experience-with-implications-for-surgical-palliation
#17
Hoang H Nguyen, Rabia Khan, Norman H Silverman, Gautam K Singh
Left ventricle non-compaction (LVNC) has worse outcomes when associated with congenital heart defects (CHD). The co-occurrence and outcomes of LVNC with tricuspid atresia (TA) are not well described. Our study aims to determine the prevalence of LVNC with functionally single ventricle due to TA, and to describe the early outcomes of surgical palliation. A retrospective database search for patients (n = 167,566) and echocardiograms (n = 44,053) was performed in order to collect clinical, echocardiographic, and hemodynamic data of pediatric patients with TA and LVNC at St...
December 10, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27942761/hand1-loss-of-function-mutation-causes-tetralogy-of-fallot
#18
Juan Wang, Xiao-Qing Hu, Yu-Han Guo, Jian-Yun Gu, Jia-Hong Xu, Yan-Jie Li, Ning Li, Xiao-Xiao Yang, Yi-Qing Yang
As the most prevalent form of birth defect in humans worldwide, congenital heart disease (CHD) is responsible for substantial morbidity and is still the leading cause of birth defect-related demises. Increasing evidence demonstrates that genetic defects play an important role in the pathogenesis of CHD, and mutations in multiple genes, especially in those coding for cardiac core transcription factors, have been causally linked to various CHDs. Nevertheless, CHD is a genetically heterogeneous disease and the genetic determinants underpinning CHD in an overwhelming majority of patients remain elusive...
December 10, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27913834/key-role-of-pacing-site-as-determinant-factor-of-exercise-testing-performance-in-pediatric-patients-with-chronic-ventricular-pacing
#19
Michel Cabrera Ortega, Hiram Tápanes Duamy, Dunia B Benítez Ramos
Chronic right ventricular (RV) apical pacing has been associated with deterioration of functional capacity and chronotropic incompetence during exercise testing in children. The effects of alternative pacing site on exercise performance in pediatric population remain unknown. We evaluated the influence of ventricular pacing site on exercise capacity in pediatric patients with complete congenital atrioventricular block requiring permanent pacemaker therapy. Sixty-four children paced from RV apex (n = 26), RV midseptum (n = 15) and left ventricular (LV) apex (n = 23) were studied cross-sectionally...
December 2, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27909753/six-minute-walk-test-as-a-predictor-for-outcome-in-children-with-dilated-cardiomyopathy-and-chronic-stable-heart-failure
#20
Susanna L den Boer, Daniël H K Flipse, Marijke H van der Meulen, Ad P C M Backx, Gideon J du Marchie Sarvaas, Arend D J Ten Harkel, Gabriëlle G van Iperen, Lukas A J Rammeloo, Ronald B Tanke, Willem A Helbing, Tim Takken, Michiel Dalinghaus
Cardiopulmonary exercise testing is an important tool to predict prognosis in children and adults with heart failure. A much less sophisticated exercise test is the 6 min walk test, which has been shown an independent predictor for morbidity and mortality in adults with heart failure. Therefore, we hypothesized that the 6 min walk test could be predictive for outcome in children with dilated cardiomyopathy. We prospectively included 49 children with dilated cardiomyopathy ≥6 years who performed a 6 min walk test...
December 1, 2016: Pediatric Cardiology
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