Automated Cardioverter Defibrillator in Children

This is a retrospective review of all the patients that had an AICD or BiV pacemakers inserted at Children's Healthcare of Atlanta at Egleston, Emory University, between January 1st, 1998 and July 30th, 2004. The goal of our study is to establish the prevalence of beneficial and adverse effects in the AICD and BiV patient population.

Demographic, clinical and electrophysiologic characteristics during the hospitalization as well as at follow-up will be obtained from the medical records and are summarized in the following tables Note: We defined infection as elevated temperature above 38.1 C associated with elevated WBC and positive cultures.

Appendix A

We plan to collect the following demographic information. Age Weight Delivery method Gestational age Weight at birth Delivery complications Cardiac anomalies Other anomalies

We plan to collect the following medical information/diagnoses. Indication Cardiac arrest Sustained ventricular tachycardia Inducible ventricular tachycardia Syncope Palpitations Severe hypertrophic cardiomyopathy Congenital heart disease Primary electrical disease Hypertrophic cardiomyopathy Idiopathic dilated cardiomyopathy

We will collect the following AICD information. Lead Transvenous Subcutaneous array Epicardial patches Generator type

We will collect the following outcomes information (AICD and BiV). Variable Appropriate discharge (AICD only) Inappropriate discharge (AICD only) Lead failure Overall survival Hospital Length of Stay Infection Blood transfusion/bleeding Hospital Re-admission Mortality/Morbidity information Cause of inappropriate AICD discharge/shock Long term complications