Key result
Complete atrioventricular block occurring within 10 days after device occlusion of a PMVSD with the Amplatzer device resolved quickly, with no pacemaker requiring activation after two months.
Case Report (n=3)
Yes
Complete atrioventricular block following transcatheter closure of perimembranous ventricular septal defects appears to be transient and resolves within two months.
AV block after PMVSD Amplatzer closure may resolve without pacing; single case leaves open incidence and predictors.
OBJECTIVE: To look at the presentation, treatment and outcome of patients who developed atrioventricular block after transcatheter closure of a perimembranous ventricular septal defect (PMVSD) with the Amplatzer PMVSD device. SETTING: Three tertiary referral centres for paediatric cardiology in two countries. RESULTS: All three patients presented within 10 days of the procedure. All three patients were treated with intravenous steroids. A permanent pacemaker was inserted in all patients but no pacemaker required activation after two months. CONCLUSION: Complete atrioventricular block occurring in the weeks after device occlusion of a PMVSD appears to resolve quickly. Continued involvement in multicentre device databases is required to monitor safety.
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Meg Walsh (2006) conducted a case report in Atrioventricular block after transcatheter closure of a perimembranous ventricular septal defect (n=3). Transcatheter closure of a PMVSD with the Amplatzer PMVSD device was evaluated on Presentation, treatment and outcome of atrioventricular block. Complete atrioventricular block occurring within 10 days after device occlusion of a PMVSD with the Amplatzer device resolved quickly, with no pacemaker requiring activation after two months.
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