Peter W. Guyon, Jr., MD

Serial Dilation of Low-Profile Stents Delivered in the Aorta and Pulmonary Arteries in Pediatric Patients Leads to Spontaneous Fractures but Not to Adverse Events

11/01/2020

John W. Moore , MD, MPH;

Peter W. Guyon Jr., MD;

Kanishka Ratnayaka , MD;

Bryan P. Mosher , MD, PhD;

Howaida G. El-Said , MD, PhD;

Yiran Zhang , MS;

Low-profile stents placed in pediatric patients with congenital heart disease must be expanded by balloon angioplasty to accommodate patient growth. We report the performance characteristics and safety profile of a cohort of low-profile,...

Low-profile stents placed in...

11/01/2020

Journal of Invasive Cardiology

Original Contribution

Pulmonary Atresia With Intact Ventricular Septum: From Radiofrequency Perforation to Transcatheter Pulmonary Valve

10/25/2022

Peter W. Guyon Jr., MD;

Nicholas J. Dreger , MD;

Nicole L. Herrick , MD;

Howaida G. El-Said , MD, PhD;

John W. Moore , MD, MPH;

PA/IVS is a rare cyanotic congenital heart lesion traditionally palliated with multiple procedures and surgeries. Entirely non-surgical transcatheter management from infancy to adulthood may be possible; however, the pathway from neonatal...

PA/IVS is a rare cyanotic...

10/25/2022

Journal of Invasive Cardiology

Original Contribution

Expanded Use of the One-Step Technique for Simultaneous Landing Zone Stenting and Placement of the Melody Transcatheter Pulmonary Valve

12/01/2021

Bassel Mohammad Nijres , MD;

Henri Justino , MD;

Arpine Davtyan , MD;

Bryan P. Mosher , MD, PhD;

Asimina Courelli , BS;

Kanishka Ratnayaka , MD;

Howaida G. El-Said , MD, PhD;

John W. Moore , MD, MPH;

Peter W. Guyon Jr., MD;

Dr. Guyon and colleagues report a multicenter experience with simultaneous right ventricular outflow tract (RVOT) stenting and transcatheter pulmonary valve implantation using the Melody valve (Medtronic).

Dr. Guyon and colleagues report...

12/01/2021

Journal of Invasive Cardiology