Aims

• To establish the preferred pacemaker mode and rate in one year old and younger amongst paediatrics electrophysiologists in United Kingdom.

• To assess the occurrence of pacemaker induced cardiomyopathy in the same group of patients in United Kingdom

Methods Fifteen paediatrics electrophysiologists in United Kingdom were indentified. Nine of them were interviewed either face to face or by phone. The same survey was sent to five other paediatric electrophysiologists by post and written responses were receivedfrom four individuals. Thus we have total thirteen responses for our survey.

Three questions were asked in the survey:

Question 1: What is the initial pacing mode do you use for patients that are one year old and younger?

Question 2: What is your usual initial rate setting when a pacemaker inserted in a patient of one year old and younger?

Question 3: Have you got any patient with pacemaker induced cardiomyopathy in one year old patient and younger?

• If yes, what was the predominant mode?

• If yes, what was the predominant rate?

Results See tables attached.

Conclusions

• There are wide variations in pacemaker settings in one year old and younger preferred amongst paediatrics electrophysiologists in United Kingdom.

• VVI is the most popular mode of pacemaker.

• Pacemaker rates preferred were ranging between 70–120 beat per minute.

• Only small number of pacemaker induced cardiomyopathy were reported.

• The best pacemaker setting for under one year old is still debated and further research in this area is needed.

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Abstract G159(P) Table 1