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Implantation of Total Artificial Heart in Congenital Heart Disease

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Published on: July 18, 2014

Congenital complete heart block: single tertiary centre experience.

Jennifer Yan¹, Suraj K Varma, Atul Malhotra

¹Monash Newborn, Melbourne, Australia.

Heart, Lung & Circulation

|July 4, 2012

Summary

Congenital complete heart block (CCHB) is a rare but serious condition in newborns. Most infants with CCHB require pacemakers, but outcomes are generally good with appropriate management.

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Area of Science:

Pediatric Cardiology
Neonatology
Congenital Heart Disease

Background:

Congenital complete heart block (CCHB) is an uncommon condition impacting neonatal health.
CCHB contributes to neonatal morbidity and mortality, necessitating further study.

Purpose of the Study:

To investigate the characteristics and outcomes of infants diagnosed with CCHB.
To determine the indications and timing for pacemaker insertion in these infants.

Main Methods:

Retrospective review of infants with CCHB over 20 years.
Analysis of patient demographics, maternal factors (e.g., SLE antibodies), cardiac anomalies (e.g., cCTGA), and pacemaker implantation data.

Main Results:

Fifteen infants with CCHB were identified; 53% had maternal SLE antibodies.
Eighty-seven percent of patients required pacemaker insertion, with a median age of six months.
Most patients maintained good systemic ventricular function, and one death occurred unrelated to CCHB.

Conclusions:

Congenital complete heart block is a significant neonatal condition.
While many infants require pacemakers, the long-term outcomes for CCHB patients are favorable.
Effective management, including timely pacemaker implantation, leads to good prognosis.