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Transcatheter Closure of Ventricular Septal Defects after Upfront Transvenous Antegrade Cannulation from the Right Ventricle.
Pediatr Cardiol
January 2025
Department of Pediatric Cardiology, Institute of Cardio Vascular Diseases, Madras Medical Mission, 4A Dr J J Nagar, Mogappair, Chennai, 600037, India.
Transcatheter closure (TCC) of certain ventricular septal defect (VSD) subtypes typically requires arteriovenous loop (AVL) formation or retrograde transarterial deployment. Upfront transvenous cannulation from the right ventricle avoids arterial access and loop-related complications. We retrospectively reviewed data of patients who underwent TCC for perimembranous, intraconal, and post-surgical residual VSDs at our institution (January 2019-December 2023).
View Article and Find Full Text PDFTranscatheter Pulmonary Flow Restrictors as a Palliative Bridge to Heart Transplant.
Pediatr Transplant
February 2025
Division of Pediatric Cardiology, Department of Pediatrics and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA.
Background: In recent years, transcatheter implantation devices to restrict pulmonary arterial flow have emerged as a potential alternative to surgical pulmonary artery banding.
Case Presentation: A term male was diagnosed with critical aortic stenosis (AS) and severely reduced left ventricle (LV) systolic function. He underwent aortic balloon valvuloplasty on day 2 of life, resulting in some antegrade flow, but LV ejection fraction only improved to 15%.
Ruptured Sinus of Valsalva Aneurysm: Transcatheter Closure Through Retrograde Approach.
Catheter Cardiovasc Interv
December 2024
Department of Cardiology, A J Institute of Medical Sciences and Research Centre, Mangaluru, India.
The ruptured sinus of Valsalva aneurysm (RSOV), a rare but well-recognized clinical entity, is invariably a form of left-to-right shunt due to rupture into right-sided chambers. It causes profound hemodynamic effects, especially when the rupture is acute. Like most other left-to-right shunts, it was only a matter of time before this rare defect also became amenable to transcatheter closure (TCC).
View Article and Find Full Text PDFArticle Synopsis
- Transcatheter closure of paravalvular leaks (PVL) is a viable treatment for high-risk patients, yet limited research exists on its effectiveness using Amplatzer devices in Japanese patients with mitral PVL.
- A study involving 12 patients (average age 78) showed successful closure procedures were performed, with a reduction in PVL severity and no major complications reported within 30 days.
- One year later, an all-cause mortality rate of 16.7% was noted, with 25% of patients needing further intervention due to symptom recurrence, indicating the treatment's potential but also the need for monitoring.
Retrograde Thoracic Duct Access for Embolization of Lymphatic Malformations in a Child with Congenital Heart Disease and a Plexiform Thoracic Duct Variant.
Lymphology
November 2024
Department of Pediatrics (Cardiology), University of Arizona, Tucson, USA.
The physiologic sequelae of the atypical vasculature in patients with congenital heart disease can result in potentially fatal lymphatic complications, especially after corrective cardiac surgery. Transcatheter embolization of the thoracic duct or lymphatic collaterals can reduce morbidity and mortality in these patients. While typically performed transabdominally via an antegrade approach, retrograde embolization may be preferable in cases where this is not feasible, including in rare variants of thoracic duct anatomy.
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