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Displacement of occluder as a rare complication of transcatheter closure of ventricular septal defect: A case report.

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Displacement of occluder as a rare complication of transcatheter closure of ventricular septal defect: A case report.

Medicine (Baltimore). 2018 Jul;97(27):e11327

Authors: Chen R, Luo J, Deng X, Huang P

Abstract
RATIONALE: Ventricular septal defects are the most common congenital heart defect in children. As this method avoids sternotomy, the post-procedural morbidity is lower. However, transcatheter closure of perimembranous ventricular septal defects are still associated with complications such as arrhythmia (particularly, Atrioventricular Block), device embolization, atrioventricularvalve and/or aortic valves regurgitation, residual shunts. Some complications can be life threatening and require urgent surgical intervention.
PATIENT CONCERNS: An 32-months-old boy was admitted for a significant precordial systolic murmur. The patient underwent transcatheter perimembranous ventricular septal defects closure. 12 months later, Transthoracic echocardiography revealed the device displaced, 4 mm shunt acrocss the ventricular septum and moderate tricuspid regurgitation detected.
DIAGNOSIS: According to the echocardiography result, the patient was diagnosed with displacement of the ventricular septal defect occluder and tricuspid regurgitation.
INTERVENTIONS: After the diagnosis, the patient underwent removal of the ventricular septal defect occluder and closure of the perimembranous ventricular septal defect.
OUTCOMES: The post-operative recovery was uneventful. One year post-procedural follow-up transthoracic echocardiography showed there was no residual shunt and no tricuspid regurgitation.
LESSONS: Transcatheter closure of Ventricular septal defects is an attractive alternative to surgery in simple perimembranous ventricular septal defects. Proper follow-up should be emphasized to the patient.

PMID: 29979405 [PubMed – indexed for MEDLINE]

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