Ryan Callahan
YOU?
Author Swipe
View article: Percutaneous Pulmonary Valve Perforation in Pulmonary Atresia With Intact Ventricular Septum: Multicenter Comparison of Radiofrequency Versus Chronic Total Occlusion Wires
Percutaneous Pulmonary Valve Perforation in Pulmonary Atresia With Intact Ventricular Septum: Multicenter Comparison of Radiofrequency Versus Chronic Total Occlusion Wires Open
View article: Systemic Sirolimus Monitoring in Pediatric Pulmonary Vein Stenosis
Systemic Sirolimus Monitoring in Pediatric Pulmonary Vein Stenosis Open
Systemic sirolimus (SS) is an mTOR inhibitor used in the management of pediatric intraluminal pulmonary vein stenosis (PVS). SS initiation, monitoring, including patient compliance with toxicity surveillance, and potential adverse events (…
View article: Evaluating Racial Disparities in Access to Common Pediatric/Congenital Transcatheter Interventions
Evaluating Racial Disparities in Access to Common Pediatric/Congenital Transcatheter Interventions Open
View article: Percutaneous Thoracic Duct Externalization and Autotransfusion in Patients With Lymphatic Failure Due to Elevated Central Venous Pressure
Percutaneous Thoracic Duct Externalization and Autotransfusion in Patients With Lymphatic Failure Due to Elevated Central Venous Pressure Open
BACKGROUND: External drainage of the thoracic duct can temporarily reduce tissue congestion and improve symptoms in patients with heart failure. However, loss of fluid limits the duration of this approach. Here, we report on our initial ex…
View article: B-15 | Patient Factors Impacting Clinician Follow-up After PDA Device Closure in Infants
B-15 | Patient Factors Impacting Clinician Follow-up After PDA Device Closure in Infants Open
View article: Real-Time Assessment of Pulmonary Blood Flow in Pulmonary Vein Stenosis Using the Fluoroscopic Flow Calculator
Real-Time Assessment of Pulmonary Blood Flow in Pulmonary Vein Stenosis Using the Fluoroscopic Flow Calculator Open
View article: Predicting the Need for Pulmonary Venous Reintervention in Total Anomalous Pulmonary Venous Connection: The Role of Preoperative Echocardiographic Metrics
Predicting the Need for Pulmonary Venous Reintervention in Total Anomalous Pulmonary Venous Connection: The Role of Preoperative Echocardiographic Metrics Open
Purpose Development of postoperative obstruction in total anomalous pulmonary venous connection (TAPVC) is a major cause of morbidity and mortality. Although preoperative echocardiography has often been cited as prognostic of postoperative…
View article: Cardiac Magnetic Resonance Imaging in the Evaluation and Management of Scimitar Syndrome
Cardiac Magnetic Resonance Imaging in the Evaluation and Management of Scimitar Syndrome Open
View article: Conductance catheterization compared to cardiac MRI environment in acquisition of pressure and volume loops for the physiological assessment of ventricular functionality
Conductance catheterization compared to cardiac MRI environment in acquisition of pressure and volume loops for the physiological assessment of ventricular functionality Open
View article: From Text to Data: Automatically Extracting Data From Catheterization Reports Using Generative Artificial Intelligence
From Text to Data: Automatically Extracting Data From Catheterization Reports Using Generative Artificial Intelligence Open
View article: OR1-1 | Extracting Data from Catheterization Reports Using Generative AI
OR1-1 | Extracting Data from Catheterization Reports Using Generative AI Open
In interventional cardiology, critical information often lies in catheterization reports' unstructured text. This poses a challenge in chart review, especially in multi-site studies, where reporting styles and medical terminologies can var…
View article: OR1-4 | Percutaneous perforation of the atretic pulmonary valve in pulmonary atresia with intact ventricular septum: A procedural outcomes analysis of radiofrequency versus chronic total occlusion wire perforation
OR1-4 | Percutaneous perforation of the atretic pulmonary valve in pulmonary atresia with intact ventricular septum: A procedural outcomes analysis of radiofrequency versus chronic total occlusion wire perforation Open
Percutaneous pulmonary valve perforation (PVP) is an accepted palliation for pulmonary atresia with intact ventricular septum (PA/IVS), with known major risks. This study aims to compare procedural success and safety between radiofrequency…
View article: B-7 | Balloon Dilation Technique Influences Stent Shortening and Intentional Stent Fracture During Over-Expansion of Drug-Eluting Stents: A Bench Testing Study
B-7 | Balloon Dilation Technique Influences Stent Shortening and Intentional Stent Fracture During Over-Expansion of Drug-Eluting Stents: A Bench Testing Study Open
View article: OR1-3 | A Multicenter Predictive Model for Clinically Meaningful Adverse Events in Pediatric Patients Undergoing Transcatheter Pulmonary Vein Interventions
OR1-3 | A Multicenter Predictive Model for Clinically Meaningful Adverse Events in Pediatric Patients Undergoing Transcatheter Pulmonary Vein Interventions Open
Pulmonary vein stenosis (PVS) in pediatric patients, a condition requiring frequent transcatheter palliative interventions with high morbidity and mortality, necessitates development of a multicenter predictive model for clinically meaning…
View article: Pulmonary Artery Wedge Pressure Can Underestimate Direct Pulmonary Vein Pressure in Pediatric Pulmonary Vein Stenosis
Pulmonary Artery Wedge Pressure Can Underestimate Direct Pulmonary Vein Pressure in Pediatric Pulmonary Vein Stenosis Open
In this single-center study of pediatric patients with PVS, PAWP significantly underestimated directly measured PVP in lower pulmonary veins. Balloon wedge or end hole catheter position in a distal lobar segment may more accurately estimat…
View article: Technical Success and Serious Adverse Events for Fetal Aortic Valvuloplasty in a Large 20-Year Cohort
Technical Success and Serious Adverse Events for Fetal Aortic Valvuloplasty in a Large 20-Year Cohort Open
TS of FAV has improved over time, and failure is associated with smaller fetal left heart sizes. SAEs are common and are associated with smaller left hearts and longer procedure times.
View article: Calculating Relative Lung Perfusion Using Fluoroscopic Sequences and Image Analysis: The Fluoroscopic Flow Calculator
Calculating Relative Lung Perfusion Using Fluoroscopic Sequences and Image Analysis: The Fluoroscopic Flow Calculator Open
BACKGROUND: Maldistribution of pulmonary blood flow in patients with congenital heart disease impacts exertional performance and pulmonary artery growth. Currently, measurement of relative pulmonary perfusion can only be performed outside …
View article: Clinical Applications of Pressure-Volume Assessment in Congenital Heart Disease
Clinical Applications of Pressure-Volume Assessment in Congenital Heart Disease Open
View article: Predictors of Serious Adverse Events and High-Level Cardiorespiratory Support in Patients Undergoing Transcatheter Pulmonary Vein Interventions
Predictors of Serious Adverse Events and High-Level Cardiorespiratory Support in Patients Undergoing Transcatheter Pulmonary Vein Interventions Open
Background Patients with pulmonary vein stenosis (PVS) often require frequent transcatheter pulmonary vein (PV) interventions for management of restenosis. Predictors of serious adverse events (AEs) and need for high-level cardiorespirator…
View article: Intraoperative Stent Placement for the Treatment of Congenital Pulmonary Vein Atresia
Intraoperative Stent Placement for the Treatment of Congenital Pulmonary Vein Atresia Open
A 2-month-old infant presenting with failure to thrive was found to have right upper and right lower pulmonary vein atresia and underwent 2 failed transcatheter recanalization attempts. A hybrid intervention including pulmonary vein identi…
View article: Management of Pediatric Pulmonary Vein Stenosis
Management of Pediatric Pulmonary Vein Stenosis Open
View article: Contents
Contents Open
View article: Lung and Pleural Findings of Children with Pulmonary Vein Stenosis with and without Aspiration: MDCT Evaluation
Lung and Pleural Findings of Children with Pulmonary Vein Stenosis with and without Aspiration: MDCT Evaluation Open
Purpose: To retrospectively compare the lung and pleural findings in children with pulmonary vein stenosis (PVS) with and without aspiration on multidetector computed tomography (MDCT). Materials and Methods: All consecutive children (≤18 …
View article: Pleuropulmonary MDCT Findings: Comparison between Children with Pulmonary Vein Stenosis and Prematurity-Related Lung Disease
Pleuropulmonary MDCT Findings: Comparison between Children with Pulmonary Vein Stenosis and Prematurity-Related Lung Disease Open
Purpose: To retrospectively compare the pleuropulmonary MDCT findings in children with pulmonary vein stenosis (PVS) and prematurity-related lung disease (PLD). Materials and Methods: All consecutive infants and young children (≤18 years o…
View article: Research note: Lies and presidential debates: How political misinformation spread across media streams during the 2020 election
Research note: Lies and presidential debates: How political misinformation spread across media streams during the 2020 election Open
When U.S. presidential candidates misrepresent the facts, their claims get discussed across media streams, creating a lasting public impression. We show this through a public performance: the 2020 presidential debates. For every five newsp…
View article: Aspiration Is Associated with Poor Treatment Response in Pediatric Pulmonary Vein Stenosis
Aspiration Is Associated with Poor Treatment Response in Pediatric Pulmonary Vein Stenosis Open
Intraluminal pulmonary vein stenosis is a disease with significant morbidity and mortality, though recent progress has been made using multimodal therapy with antiproliferative agents. The aim of this study was to evaluate the association …
View article: The Role of Elevated Wall Shear Stress in Progression of Pulmonary Vein Stenosis: Evidence from Two Case Studies
The Role of Elevated Wall Shear Stress in Progression of Pulmonary Vein Stenosis: Evidence from Two Case Studies Open
Pulmonary vein stenosis is a serious condition characterized by restriction or blockage due to fibrotic tissue ingrowth that develops in the pulmonary veins of infants or children. It is often progressive and can lead to severe pulmonary h…
View article: Secondary Pulmonary Vein Stenosis Due to Total Anomalous Pulmonary Venous Connection Repair in Children: Extravascular MDCT Findings
Secondary Pulmonary Vein Stenosis Due to Total Anomalous Pulmonary Venous Connection Repair in Children: Extravascular MDCT Findings Open
Purpose: To evaluate extravascular findings on thoracic MDCT angiography in secondary pulmonary vein stenosis (PVS) due to total anomalous pulmonary venous connection (TAPVC) repair in children. Materials and Methods: All patients aged ≤18…
View article: Extravascular MDCT Findings of Pulmonary Vein Stenosis in Children with Cardiac Septal Defect
Extravascular MDCT Findings of Pulmonary Vein Stenosis in Children with Cardiac Septal Defect Open
Purpose: To retrospectively investigate the extravascular thoracic MDCT angiography findings of pulmonary vein stenosis (PVS) in children with a cardiac septal defect. Materials and Methods: Pediatric patients (age ≤ 18 years) with cardiac…
View article: Pulmonary Vein Stenosis—Evolving Surgical Management of a Challenging Disease
Pulmonary Vein Stenosis—Evolving Surgical Management of a Challenging Disease Open
Pulmonary vein stenosis (PVS) is an extremely challenging clinical problem in congenital heart disease. It has traditionally required multimodal therapy given its complex underlying pathophysiology. As with other modalities, surgical thera…