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Repaired Tetralogy of Fallot

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https://www.readbyqxmd.com/read/28382440/tetralogy-of-fallot-surgical-repair-shunt-configurations-ductus-arteriosus-and-the-circle-of-willis
#1
Senol Piskin, Gozde Unal, Ahmet Arnaz, Tayyar Sarioglu, Kerem Pekkan
In this study, hemodynamic performance of three novel shunt configurations that are considered for the surgical repair of tetralogy of Fallot (TOF) disease are investigated in detail. Clinical experience suggests that the shunt location, connecting angle, and its diameter can influence the post-operative physiology and the neurodevelopment of the neonatal patient. An experimentally validated second order computational fluid dynamics (CFD) solver and a parametric neonatal diseased great artery model that incorporates the ductus arteriosus (DA) and the full patient-specific circle of Willis (CoW) are employed...
April 5, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28382264/use-of-cardiac-computed-tomography-for-ventricular-volumetry-in-late-postoperative-patients-with-tetralogy-of-fallot
#2
Ho Jin Kim, Da Na Mun, Hyun Woo Goo, Tae-Jin Yun
BACKGROUND: Cardiac computed tomography (CT) has emerged as an alternative to magnetic resonance imaging (MRI) for ventricular volumetry. However, the clinical use of cardiac CT requires external validation. METHODS: Both cardiac CT and MRI were performed prior to pulmonary valve implantation (PVI) in 11 patients (median age, 19 years) who had undergone total correction of tetralogy of Fallot during infancy. The simplified contouring method (MRI) and semiautomatic 3-dimensional region-growing method (CT) were used to measure ventricular volumes...
April 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28382082/short-term-change-of-exercise-capacity-in-patients-with-pulmonary-valve-replacement-after-tetralogy-of-fallot-repair
#3
Tae Woong Hwang, Sung Ook Kim, Moon Sun Kim, So Ick Jang, Seong Ho Kim, Sang Yun Lee, Eun Young Choi, Su Jin Park, Hye Won Kwon, Hyo Bin Lim
BACKGROUND AND OBJECTIVES: The aim of this study was to investigate the effect of pulmonary valve replacement (PVR) on exercise capacity and determine cardiopulmonary exercise (CPEX) parameters associated with improvement in right ventricle (RV) function. SUBJECTS AND METHODS: We retrospectively analyzed CPEX and magnetic resonance imaging parameters in a total of 245 patients who underwent PVR from January 1998 to October 2015. In addition, we analyzed the characteristics of the patients who showed improved exercise capacity after PVR...
March 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28371908/acute-right-ventricular-resynchronization-improves-haemodynamics-in-children-after-surgical-repair-of-tetralogy-of-fallot
#4
Pavel Vojtovic, Filip Kucera, Peter Kubuš, Roman Gebauer, Tomáš Matejka, Tomáš Tláskal, Miroslav Ložek, Jan Kovanda, Jan Janoušek
Aims: Right bundle branch block is associated with right ventricular (RV) electromechanical dyssynchrony, which may contribute to acute haemodynamic impairment after repair of tetralogy of Fallot (ToF). We sought to evaluate the effects of RV resynchronization on haemodynamics and tissue oxygenation during the first 24 h after surgery. Methods and results: Arterial pressures, cardiac output, and tissue oxygenation were measured in 28 consecutive patients (median age 10...
March 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28366715/twenty-years-of-anesthetic-and-perioperative-management-of-patients-with-tetralogy-of-fallot-with-absent-pulmonary-valve
#5
John D Jochman, Douglas B Atkinson, Luis G Quinonez, Morgan L Brown
OBJECTIVE: Review the authors' institutional experience of the induction and perioperative airway management of children with tetralogy of Fallot with an absent pulmonary valve. DESIGN: Retrospective chart review. SETTING: Large academic children's hospital. PARTICIPANTS: Patients with the diagnosis of tetralogy of Fallot with absent pulmonary valve undergoing primary cardiac repair over a 20-year period. INTERVENTIONS: None...
February 4, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28364481/postoperative-interventricular-septal-haematoma-following-tetralogy-of-fallot-repair-and-perimembranous-ventricular-septal-defect-repair
#6
Fiona J Bailey, Salim G M Jivanji, Martin Kostolny
Interventricular septal haematoma is a rare postoperative complication in congenital heart surgery. We present one case of a 6-month-old after tetralogy of Fallot repair and 1 case of a 10-month-old after ventricular septal defect repair. Both were noted to have interventricular septal haematoma on intraoperative transoesophageal and postoperative echocardiogram. Although multiple previous reports, mainly in adults, have suggested aggressive intervention, both these cases were managed conservatively, highlighting the management and evolution of a rare postoperative complication in the paediatric population...
February 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28363202/right-ventricular-remodelling-after-tetralogy-of-fallot-repair-new-insights-from-longitudinal-follow-up-data
#7
Luc L Mertens
No abstract text is available yet for this article.
March 1, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28363200/evolution-of-right-ventricular-size-over-time-after-tetralogy-of-fallot-repair-a-longitudinal-cardiac-magnetic-resonance-study
#8
Tobias Rutz, Fransis Ghandour, Christian Meierhofer, Susanne Naumann, Stefan Martinoff, Rüdiger Lange, Peter Ewert, Heiko C Stern, Sohrab Fratz
Aims: It is commonly believed that pulmonary regurgitation (PR) after surgical repair of tetralogy of Fallot (TOF) leads to progressive right ventricular (RV) enlargement. However, progressive RV dilatation has never clearly been documented in this patient population. Therefore, we studied the size of the RV over time in patients after surgical TOF repair. Methods and results: Fifty-one consecutive patients after surgical TOF repair underwent at least two cardiovascular magnetic resonance (CMR) exams using a single CMR scanner...
March 1, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28363199/longitudinal-changes-in-adolescents-with-tof-implications-for-care
#9
Misha Bhat, Laura Mercer-Rosa, Mark A Fogel, Matthew A Harris, Stephen M Paridon, Michael G McBride, Justine Shults, Xuemei Zhang, Elizabeth Goldmuntz
Background: We sought to identify predictors of change in right ventricular function and exercise capacity in adolescents following repair for tetralogy of Fallot. Methods and results: We performed a longitudinal study with serial cardiac magnetic resonance imaging and/or exercise stress tests. Patients with interim intervention on the pulmonary valve were excluded. Paired t-test was used to detect longitudinal changes and multivariable regression models were built to identify predictors of change...
March 1, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28356265/programmatic-approach-to-management-of-tetralogy-of-fallot-with-major-aortopulmonary-collateral-arteries-a-15-year-experience-with-458-patients
#10
Holly Bauser-Heaton, Alejandro Borquez, Brian Han, Michael Ladd, Ritu Asija, Laura Downey, Andrew Koth, Claudia A Algaze, Lisa Wise-Faberowski, Stanton B Perry, Andrew Shin, Lynn F Peng, Frank L Hanley, Doff B McElhinney
BACKGROUND: Tetralogy of Fallot with major aortopulmonary collateral arteries is a complex and heterogeneous condition. Our institutional approach to this lesion emphasizes early complete repair with the incorporation of all lung segments and extensive lobar and segmental pulmonary artery reconstruction. METHODS AND RESULTS: We reviewed all patients who underwent surgical intervention for tetralogy of Fallot and major aortopulmonary collateral arteries at Lucile Packard Children's Hospital Stanford (LPCHS) since November 2001...
April 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28347634/ten-year-outcomes-of-monomorphic-ventricular-tachycardia-catheter-ablation-in-repaired-tetralogy-of-fallot
#11
Mikaël Laredo, Robert Frank, Xavier Waintraub, Estelle Gandjbakhch, Laurence Iserin, Sebastien Hascoët, Caroline Himbert, Yves Gallais, Françoise Hidden-Lucet, Guillaume Duthoit
BACKGROUND: Monomorphic ventricular tachycardia (MVT) is common in adults with repaired tetralogy of Fallot (TOF), and is associated with sudden cardiac death. Management of MVT is not defined, and results of catheter ablation (CA) are limited. AIMS: To evaluate long-term outcomes of MVT CA in repaired TOF. METHODS: Thirty-four patients (mean age 32±10.3 years; 59% male) with repaired TOF underwent CA for symptomatic MVT between 1990 and 2012 in our centre; direct-current ablation (DCA) was used in 6%, radiofrequency followed by DCA in 29% and radiofrequency alone in 65%...
March 24, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28347541/stroke-volume-ratio-predicts-redilatation-of-the-right-ventricle-after-pulmonary-valve-replacement
#12
Takashi Kido, Takayoshi Ueno, Masaki Taira, Hideto Ozawa, Tomomitsu Kanaya, Naoki Okuda, Koichi Toda, Toru Kuratani, Yoshiki Sawa
BACKGROUND: This study aimed to identify the prognostic value of the preoperative stroke volume ratio (right ventricular stroke volume/left ventricular stroke volume) for redilatation of the right ventricle after pulmonary valve replacement in patients with repaired tetralogy of Fallot. METHODS: From April 2004 to November 2013, 20 patients with repaired tetralogy of Fallot underwent pulmonary valve replacement for pulmonary valve regurgitation and right ventricular dilatation...
March 24, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28329461/cardiac-function-after-tetralogy-of-fallot-complete-atrioventricular-canal-repair
#13
Elizabeth H Stephens, Jennifer Tingo, Marc Najjar, Betul Yilmaz, Stéphanie Levasseur, Jeffrey D Dayton, Ralph S Mosca, Paul Chai, Jan M Quaegebeur, Emile A Bacha
BACKGROUND: Repair of complete atrioventricular canal (CAVC) with tetralogy of Fallot (TOF) is a challenging operation increasingly being performed as a complete, primary repair in infancy. Previous studies have focused on perioperative outcomes; however, midterm valve function, ventricular function, and residual obstruction have received little attention. METHODS: We retrospectively reviewed 20 patients who underwent CAVC/TOF repair (January 2005 to December 2014)...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28329451/preliminary-experience-with-the-use-of-an-extracellular-matrix-to-augment-the-native-pulmonary-valve-during-repair-of-tetralogy-of-fallot
#14
Anil Dharmapuram, Nagarajan Ramadoss, Sudeep Verma, Vejendla Gouthami, Ivatury Rao
BACKGROUND: During repair of tetralogy of Fallot (TOF), when a transannular patch is needed in case of a small annulus and dysplastic pulmonary valve, we chose to reconstruct the right ventricular outflow tract by augmenting the divided anterior leaflet with an extracellular matrix (ECM) patch to produce a competent valve. In this study, we present our preliminary experience and early outcomes. METHODS: From March 2013 to December 2015, of the 206 patients who underwent primary repair of TOF, 52 required a transannular incision...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28329231/cardiac-protective-effects-of-remote-ischaemic-preconditioning-in-children-undergoing-tetralogy-of-fallot-repair-surgery-a-randomized-controlled-trial
#15
Qingping Wu, Tingting Wang, Shiqiang Chen, Quanjun Zhou, Haobo Li, Na Hu, Yinglu Feng, Nianguo Dong, Shanglong Yao, Zhengyuan Xia
Aims: Remote ischaemic preconditioning (RIPC) by inducing brief ischaemia in distant tissues protects the heart against myocardial ischaemia-reperfusion injury (IRI) in children undergoing open-heart surgery, although its effectiveness in adults with comorbidities is controversial. The effectiveness and mechanism of RIPC with respect to myocardial IRI in children with tetralogy of Fallot (ToF), a severe cyanotic congenital cardiac disease, undergoing open heart surgery are unclear. We hypothesized that RIPC can confer cardioprotection in children undergoing ToF repair surgery...
February 18, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28329065/right-ventricular-outflow-tract-systolic-function-correlates-with-exercise-capacity-in-patients-with-severe-right-ventricle-dilatation-after-repair-of-tetralogy-of-fallot
#16
Shuhua Luo, Jianhua Li, Dan Yang, Yaxin Zhou, Qi An, Yucheng Chen
OBJECTIVES: The relationship between exercise capacity and right ventricular (RV) components function in repaired tetralogy of Fallot patients with severely dilated right ventricles is poorly understood. The aim of this study was to characterize the exercise capacity and its relationship to RV global and components function in repaired tetralogy of Fallot patients with RV end-diastolic volume index  >150 ml/m 2 , a currently accepted threshold for pulmonary valve replacement. METHODS: The medical records and results of cardiac magnetic resonance imaging and cardiopulmonary exercise testing of 25 consecutive eligible patients were reviewed...
February 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28328584/spontaneous-hyphema-in-a-pediatric-patient-after-tetralogy-of-fallot-repair-a-case-report
#17
Robert B Bryskin, Michael Shillingford, Lee Hunter, Brooke N Maryak
We describe a case of spontaneous hyphema presentation in an infant who underwent repair of tetralogy of Fallot. This case illustrates a previously unreported cause of hyphema formation from a combination of venous congestion caused by elevated right ventricular pressure and residual coagulopathy after cardiopulmonary bypass.
March 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28327874/left-atrial-deformation-analysis-in-patients-with-corrected-tetralogy-of-fallot-by-3d-speckle-tracking-echocardiography-from-the-magyar-path-study
#18
Kálmán Havasi, Péter Domsik, Anita Kalapos, Jackie S McGhie, Jolien W Roos-Hesselink, Tamás Forster, Attila Nemes
Background: Three-dimensional (3D) echocardiography coupled with speckle-tracking echocardiographic (STE) capability is a novel methodology which has been demontrated to be useful for the assessment of left atrial (LA) volumes and functional properties. There is increased scientific interest on myocardial deformation analysis in adult patients with corrected tetralogy of Fallot (cTOF). Objectives: To compare LA volumes, volume-based functional properties and strain parameters between cTOF patients and age- and gender-matched healthy controls...
February 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28295438/intermittent-failure-of-ventricular-pacing-what-is-the-mechanism
#19
Aditya Saini, Bruce S Stambler, Jason S McConnell, Kenneth A Ellenbogen
A 50 year old man with a past medical history of Tetralogy of Fallot and status post surgical repair at age 2 was found to have complete heart block with a ventricular escape rhythm of 37 beats per minute (bpm) on an electrocardiogram (ECG) performed during his annual physical exam. This article is protected by copyright. All rights reserved.
March 15, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28292863/diffuse-myocardial-fibrosis-in-repaired-tetralogy-of-fallot-linking-pathophysiology-and-clinical-outcomes
#20
EDITORIAL
Tal Geva
No abstract text is available yet for this article.
March 2017: Circulation. Cardiovascular Imaging
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