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Updated: Jun 26, 2025

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter

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Infant Barlow's Disease in Association with Atrial Septal Defect.

Isaac Azevedo Silva¹, Larissa Ales Leite Matos¹, Carolina Sant'Anna¹

¹CardioPedBrasil® - Centro do Coração da Criança at Hospital da Criança e Maternidade São José do Rio Preto, São Paulo, Brazil (FUNFARME/FAMERP).

Brazilian Journal of Cardiovascular Surgery

|May 15, 2024

Summary

Congenital mitral valve regurgitation, particularly Barlow's disease, is rare. This case highlights successful mitral valve repair in a pediatric patient with congestive heart failure.

Keywords:

Atrial Septal Defect Congenital Heart Defect Mitral Valve Annuloplasty Mitral Valve Insufficiency Thoracic Surgery

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Area of Science:

Cardiology
Pediatric Cardiac Surgery
Congenital Heart Disease

Background:

Congenital mitral valve regurgitation is a rare condition.
Barlow's disease is an even rarer cause of mitral valve regurgitation.
Atrial septal defects are common congenital heart anomalies.

Observation:

A 7-year-old female presented with congestive heart failure symptoms.
Echocardiography revealed mitral valve regurgitation consistent with Barlow's disease and an atrial septal defect (ostium secundum type).

Findings:

The patient underwent successful mitral valvuloplasty with chordal shortening and prosthetic ring insertion.
Patch atrioseptoplasty was performed to correct the atrial septal defect.

Implications:

Mitral valve repair is the preferred treatment for mitral valve regurgitation.
This case demonstrates the feasibility and success of surgical intervention for rare congenital heart conditions in pediatric patients.