Association of Preoperative Oxygen Saturation and McGoon Ratio With Early Prognosis of Tetralogy of Fallot: A Propensity Score-Matched Analysis.

Aim: Tetralogy of Fallot (TOF) is the most common cyanotic heart disease. This study aimed to demonstrate the effects of preoperative oxygen saturation on the early prognosis of TOF and identify risk factors associated with early complications.

Method: A cohort of 1,138 patients who were diagnosed and underwent one-stage surgical repair in this hospital were retrospectively included in this study.

Prevalence of Congenital Heart Disease in Children and Adolescents Under 18 in Africa: A Systematic Review and Meta-Analysis.

Background: There are limited population-based studies on congenital heart disease (CHD) in the pediatric population in Africa. Technological advancements in diagnostic tools have resulted in multiple echocardiographic studies in hospital settings. We aimed to determine the prevalence of CHD in both settings (population-based and hospital based) followed by comparing the two estimates for a difference.

Complete percutaneous repair of Tetralogy of Fallot in adult: a case report.

Tetralogy of Fallot (TOF) is the most common congenital cyanotic heart disease and is characterized by an antero-superior deviation of the infundibular septum with a consequent large malaligned ventricular septal defect (VSD) and a pulmonary and sub-pulmonary (infundibular) stenosis. Surgical repair has been the cornerstone of treatment that is electively performed early in their lives between 3 and 6 months of age. With advancements in transcatheter interventions, the complete percutaneous repair of TOF, a complex disease with multiple treatable lesions, is becoming a conceivable possibility.

Cardiac magnetic resonance imaging in repaired tetralogy of Fallot: A longitudinal midterm follow-up study.

Background: Biventricular dysfunction is frequent in patients with repaired tetralogy of Fallot, necessitating routine imaging to monitor for worsening conditions and determine whether procedures like pulmonary valve replacement (PVR) are needed. This study aimed to highlight the parameters of cardiac magnetic resonance imaging (CMR) and their association with adverse outcomes in the midterm follow-up of these patients.

Methods: This longitudinal study recruited all patients with a history of tetralogy of Fallot total correction (TFTC) who had two CMR images at a minimum three-month interval at Rajaie Center from 2007 through 2017.

Complete surgical correction of tetralogy of Fallot with Ebstein's anomaly.

Association of Ebstein's anomaly of tricuspid valve (TV) with tetralogy of Fallot (TOF) is extremely rare. Their coexistence is unique as they modify each other's physiology. We report a case of a girl child having this rare combination along with Diamond-Blackfan syndrome awaiting a bone marrow transplant.

Transcatheter pulmonary valve implantation with custom-made 35-mm Myval™ transcatheter heart valve.

Transcatheter pulmonary valve implantation (TPVI) is the standard of care in patients with repaired tetralogy of Fallot (rTOF) presenting with right ventricular outflow tract (RVOT) dysfunction. However, the feasibility of TPVI is limited by the high cost and nonavailability of larger-sized valves for dilated native RVOT of rTOF patients. We report the first successful TPVI with a custom-made 35 mm balloon-expandable valve (Myval™) in a 30-year-old rTOF patient with severe pulmonary regurgitation and RV dysfunction.

Isolation of left brachiocephalic artery in a patient with tetralogy of Fallot.

We present the case of a 4-year-old girl with tetralogy of Fallot associated with an incidentally detected isolation of the left brachiocephalic artery, with no communication between it and the pulmonary artery or ductus arteriosus. The case highlights the unusual association and hemodynamic consequences of the condition.

Circumaortic duplicated left brachiocephalic vein in a patient with Tetralogy of Fallot - A rare venous ring.

The left brachiocephalic vein (LBCV) usually passes superior and anterior to the aortic arch. In rare cases, this vein follows an anomalous course. We present a case of duplicated circumaortic LBCV in a 10-year-old child with Tetralogy of Fallot.

A case report of pre-implantation feasibility test for combining leadless pacemaker and subcutaneous implantable cardioverter-defibrillator in adult congenital heart disease.

Unlabelled: New cardiac implantable electronic devices (CIEDs), such as leadless pacemakers and subcutaneous implantable cardioverter defibrillators (S-ICDs), are being used in patients with adult congenital heart disease. The selection of CIEDs often requires careful consideration due to technical challenges posed by a unique heart structure. A 27-year-old man following a surgical tetralogy of Fallot (TOF) repair developed non-sustained ventricular tachycardia, sick sinus syndrome, and complete atrioventricular block.

The Right Ventricle and Exercise Capacity in Adults with Repaired Tetralogy of Fallot: Passive Bystander or Active Participant?

Exercise intolerance is a hallmark symptom in adults with repaired tetralogy of Fallot (TOF). This may be attributed to the disease-related impairment in RV systolic function, augmentation in right ventricular (RV) load, and their combined effect on altering left ventricular (LV) hemodynamics. To further elucidate these mechanisms, we examined oxygen uptake (VO) by indirect-calorimetry and cardiac hemodynamics by echocardiography in 34 TOF (48 ± 14 yrs) and 29 healthy controls (41 ± 15 yrs), at rest and during exercise.

Interventional Treatment of Acute Right Ventricular Outflow Tract Infectious Endocarditis: A Bridge to Surgical or Percutaneous Pulmonary Valve Replacement.

Background: Infective endocarditis (IE) poses significant risks following percutaneous pulmonary valve implantation (PPVI) or surgical replacement (PVR).

Aims: This study evaluates the effectiveness of emergency percutaneous treatment in stabilizing patients with severe right ventricular dysfunction or obstructive cardiac shock, allowing for delayed surgical or percutaneous valve replacement.

Methods: This retrospective study examines 16 patients (age 19.

Surgical Repair of a Giant Inferior Vena Cava Aneurysm Associated with a Congenital Vascular Anomaly: A Case Report.

Inferior vena cava aneurysms (IVCAs) are rare yet potentially lethal, especially if they are symptomatic or complicated. Among the IVCAs reported in the literature, only a few are associated with congenital vascular anomalies, including congenital IVC obstruction, tetralogy of Fallot, left-sided IVC, duplicated IVC, Ehlers-Danlos syndrome, blue rubber bleb nevus syndrome, and Klipper-Trenaunay syndrome. We present the case of an 8-cm symptomatic saccular IVCA in a patient with tetralogy of Fallot, treated successfully with surgical repair.

Association Between Location of Pulmonary Outflow Obstruction and Right Ventricular Size and Function After Repair of Tetralogy of Fallot, Pulmonary Atresia, and Major Aortopulmonary Collaterals.

Quantification of right ventricular (RV) size and function after tetralogy of Fallot repair is critical for determining timing of reintervention and outcomes. Tetralogy of Fallot patients with pulmonary atresia and major aortopulmonary collateral arteries (TOF/PA/MAPCAs) are a unique group in which the RV is subjected to various loading conditions, allowing for direct comparison. Retrospective evaluation of RV echocardiographic indices in repaired pediatric TOF/PA/MAPCAs patients (2/2002 - 4/2018).

Tissue engineered decellularized bovine pericardium as prosthetic material in paediatric cardiac surgery.

Aim: To evaluate the short-term outcomes of Tissue Engineered Decellularized Bovine pericardium (Synkroscaff®) in congenital heart surgery as a prosthetic material.

Methodology: This is a prospective observational cohort study. SynkroScaff® was used as prosthetic material in cohort of successive patients under 18 years of age requiring cardiac surgery for congenital heart diseases.

Pulmonary valve replacement and left pulmonary arterioplasty in repaired tetralogy of Fallot through left vertical axillary thoracotomy.

Different surgical approaches have been described for pulmonary valve replacement in patients with pulmonary regurgitation post tetralogy of Fallot repair-repeat median sternotomy, left anterior or antero-lateral thoracotomy, and left posterolateral thoracotomy. Every approach has its merits and drawbacks. In this case report, we describe a technique of pulmonary valve replacement and left pulmonary arterioplasty through left vertical axillary thoracotomy.

Novel technique of monocuspid reconstruction of pulmonary valve in children requiring transannular patch for right ventricular outflow tract relief during tetralogy of Fallot surgery.

Unlabelled: Tetralogy of Fallot (TOF) repair involves the placement of a transannular patch (TAP) to relieve right ventricular outflow tract (RVOT) obstruction. TAP results in free pulmonary regurgitation (PR) after surgery. PR is responsible for most of the long-term complications in patients with operated TOF.

Ventricular septal defect characteristics influence presence of septal anatomical isthmuses in patients with repaired tetralogy of Fallot.

Aims: In repaired tetralogy of Fallot (rTOF), the septal anatomical isthmuses (AI), AI 3, between the ventricular septal defect (VSD) and pulmonary annulus, and AI 4, between the VSD and tricuspid annulus, are important ventricular tachycardia (VT) substrates when slow conducting. Our aim was to assess the influence of VSD characteristics, specifically the presence of muscular or fibrous tissue at its border, on the presence or absence of septal AIs, potentially related to VT.

Methods And Results: All consecutive rTOF patients who underwent electroanatomical mapping between January 2005 and March 2023 with an available surgical report providing VSD details (n = 91) were included.

Correlation of right ventricular outflow tract residual disease on post-op transesophageal echocardiography and discharge transthoracic echocardiography after tetralogy of fallot repair.

Post-operative transesophageal echocardiography (TEE) is standard of care to evaluate for residual disease and quality of surgical repair. The residual lesion score (RLS) as defined by the pediatric heart network explored the impact of residual lesions on outcomes using discharge transthoracic echocardiogram (TTE). In tetralogy of fallot with pulmonary stenosis (TOF/PS), the residual right ventricular outflow tract (RVOT) gradient is one marker of quality of repair.

Perioperative Outcomes in Congenital Heart Disease: A Review of Clinical Factors Associated With Prolonged Ventilation and Length of Stay in Four Common CHD Operations.

Objectives: Perioperative management strategies and outcomes for low-risk congenital heart disease (CHD) surgery vary between institutions. To date, no consensus exists on standardized management for pediatric patients undergoing cardiac surgery. This study seeks to benchmark the perioperative management of 4 common CHD lesions and explore clinical factors affecting postoperative outcomes.

Detection of Genetic Variations in Children with Tetralogy of Fallot Using Whole Exome Sequencing Technology Integrated Bioinformatics Analysis.

Tetralogy of Fallot (TOF) is the most common cyanotic heart defect in newborns, with a complex etiology and genetic variation considered to be one of the main pathogenic factors. Identifying genetic variations associated with TOF has important clinical value for understanding its pathogenesis, patient susceptibility, and prognosis of patients with TOF. Therefore, this study aimed to identify potential pathogenic genes of TOF through comprehensive genetic analysis.

Postoperative mechanical ventilation after corrective Tetralogy of Fallot surgery in infants: Assessment of perioperative factors and radiographic severity scores.

Early recovery from surgery for congenital heart disease (CHD) is becoming a trend. Tetralogy of Fallot/pulmonary stenosis (TOF/PS) is the most common cyanotic CHD with excellent long-term outcomes. We examined potential factors associated with early extubation in 249 patients who underwent TOF/PS complete repair in a tertiary pediatric medical center from January 2015 to December 2022.

Assessing the Impact of Cardiac Output and Valve Orientation on Bioprosthetic Pulmonary Valve Hemodynamics Using In Vitro 4D-Flow MRI and High-Speed Imaging.

Purpose: Pulmonary valve replacement (PVR) using bioprosthetic valves is a common procedure performed in patients with repaired Tetralogy of Fallot and other conditions, but these valves frequently become dysfunctional within 15 years of implantation. The causes for early valve failure are not clearly understood. The purpose of this study was to explore the impact of changing cardiac output (CO) and valve orientation on local hemodynamics and valve performance.