Ryan Callahan, MD
Assistant Professor of Pediatrics (Cardiology) at the Children's Hospital of Philadelphia
Attending Physician, Division of Cardiology, Children's Hospital of Philadelphia
Director, Pulmonary Vein Stenosis Program, Children's Hospital of Philadelphia
Department: Pediatrics
Contact information
Children's Hospital of Philadelphia
3401 Civic Center Blvd
Philadelphia, PA 19104
3401 Civic Center Blvd
Philadelphia, PA 19104
Education:
BS (Biology; Minor in Psychology)
Pennsylvania State University, 2004.
MD
Drexel University College of Medicine, 2008.
Permanent linkBS (Biology; Minor in Psychology)
Pennsylvania State University, 2004.
MD
Drexel University College of Medicine, 2008.
Description of Clinical Expertise
Pulmonary Vein Stenosis, Congenital Interventional CardiologyDescription of Research Expertise
Pulmonary Vein Stenosis, Congenital Interventional CardiologySelected Publications
Gupta M, Leeth EB, Barak-Corren Y, Gartenberg AJ, Silvestro E, O'Byrne ML, Callahan R. : Balloon Dilation Technique Influences Stent Shortening and Intentional Stent Fracture During Over-Expansion of Drug-Eluting Stents: A Bench Testing Study. Catheter Cardiovasc Interv 105(5): 1112-1119, April 2025.Szeliga J, Wasko M, Kolcz J, Rudzinski A, Callahan R, Goreczny S: Virtual Reality Modeling Based jon Computed Tomography and Three-Dimensional Angiography for Planning of Percutaneous and Hybrid Treatment in Infants with Pulmonary Vein Stenosis. Adv Interv Cardiol 21(1): 108-113, March 2025.
Barak-Corren Y, Gupta M, Dori Y, Tang J, Smith CL, Rome JJ, Gillespie MJ, Jolley MA, O'Byrne ML, Callahan R. : Real-Time Assessment of Pulmonary Blood Flow in Pulmonary Vein Stenosis Using the Fluoroscopic Flow Calculator. J Soc Cardiovasc Angiogr Interv 4(4): 102639, March 2025.
Stanley HM, Faerber JA, Cohen MS, Callahan R, Fuller SM, White BR: Preoperative Pulmonary Venous Variability Index Predicts the Need for Pulmonary Venous Reintervention in Total Anomalous Pulmonary Venous Connection. Echocardiography 42(3): e70124, March 2025.
Barak Corren Y, Gupta M, Tang J, Smith CL, Callahan R, Dori T, Rome JJ, Gillespie MJ, O’Byrne ML: From Text to Data: Automatically Extracting Data from Catheterization Reports Using Generative AI. J Soc Cardiovasc Angiogr Interv 4(3): 102242, Sep 2024.
Callahan R, Gillespie MJ: Transcatheter Superior Sinus Venosus Defect Closure: Experience Increases Patient Eligibility. J Am Coll Cardiol 83(22): 2193-2195, June 2024.
Gupta M, Barak-Corren Y, Gillespie MJ, Leeth EB, Callahan R: Iatrogenic Aortopulmonary Communication Following Intentional Pulmonary Bioprosthetic Valve Fracture. JACC Cardiovasc Interv 17(9): 1165-1167, May 2024.
Nitsche LJ, Callahan R, Grasty MA, Devlin PJ, Favilla E, Mavroudis CD: Critical Left Main Coronary Artery Stenosis Presenting as Cardiac Arrest in Coarctation of the Aorta Patient. Cardiol Young 27(1): 1-3, May 2024.
Gusseva M, Thatte N, Castellanos DA, Hammer PE, Ghelani SJ, Callahan R, Hussain T, Chabiniok R: Biomechanical Modeling Combined with Pressure-Volume Loop Analysis to Aid Surgical Planning in Patients with Complex Congenital Heart Disease. Med Image Anal 15(1): 103441, April 2024.
Stanley HM, Callahan R: Novel Application of the Diabolo Technique to Restrict Pulmonary Blood flow in a Single Ventricle Patient with a Right Ventricle to Pulmonary Artery Conduit. Catheter Cardiovasc Inter 103(5): 736-740, April 2024.