Clinical experience of pacemaker treatment in children.

Scand J Thorac Cardiovasc Surg

Department of Cardiology, Karolinska Hospital, Stockholm, Sweden.

Published: October 1992

Pacemaker treatment is more complicated in children than in adults, mainly because of electrode problems. A pacemaker system was implanted in 23 children aged 2 days-14 years (mean 4.8 years, with 11 less than or equal to 3 years) at the Karolinska Hospital since 1983. The indications for pacing were peroperative atrioventricular block (AVB) in 13 cases, congenital AVB in five, sinoatrial disorder in four and slow ventricular arrhythmia in one case. The initially implanted electrode was epicardial in ten children (in the first 2 years of the study) and endocardial in the other 13. Eight of the ten epicardial electrodes had to be replaced by endocardial within a mean of 2.5 years. There were 18 reoperations, the reasons being increased threshold/exit block--all epicardial leads (8 cases), electrode failure (1), 'stretching' of the electrode secondary to body growth (4), local infection (3) and generator replacement (2). The reoperation rate was unacceptably high in children with epicardial electrodes. Endocardial pacing is the method of choice even for small infants.

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http://dx.doi.org/10.3109/14017439209099056DOI Listing

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