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[National Registry of Automatic Implantable Defibrillators in 1996]
1Sección de Electrofisiología y Arritmias, Sociedad Española de Cardiología, Madrid.
Insights
The Spanish Registry reported on 306 automatic defibrillator implants, revealing a low implantation rate and common use of endocardial leads. Chronic ischemic heart disease was prevalent among patients receiving these life-saving devices.
Area of Science:
- Cardiology
- Electrophysiology
Background:
- The Spanish Registry of Automatic Defibrillators (AD) was established to collect data on device implantation.
- Understanding the initial implantation trends and patient demographics is crucial for assessing device utilization and impact.
Purpose of the Study:
- To report the results of automatic defibrillator implants in Spain between February 1996 and January 1997.
- To analyze the characteristics of patients receiving automatic defibrillators and the implantation procedures.
Main Methods:
- Data were collected via a physician-completed questionnaire for each of the 306 automatic defibrillator implants.
- The questionnaire was designed by the Section of Electrophysiology and Arrhythmias of the Spanish Society of Cardiology.
Main Results:
- The implantation rate was approximately 1 AD per 100,000 inhabitants in Spain.
- Eighty-five percent of implants were first-time procedures, and 13% were replacements.
- Chronic ischemic heart disease was present in 54% of patients, with ventricular tachycardia or fibrillation being common indications.
Conclusions:
- The registry provides a snapshot of early automatic defibrillator implantation in Spain.
- The data highlight the prevalence of ischemic heart disease and arrhythmias as indications for device implantation.
Abstract:
The results of the Spanish Registry of Automatic Defibrillators implanted between February 1996 and January 1997 are reported. A questionnaire per patient was completed by every implanting physician, in every center. The questionnaire was designed by the Section of Electrophysiology and Arrhythmias of the Spanish Society of Cardiology. The data from 306 automatic defibrillators implanted were reported. The percentage of defibrillators per inhabitant in Spain is close to 1 per 100,000. Eighty-five percent were first implants, while a 13% were replacements. Most of the electrodes used were endocardial. Chronic ischemic heart disease was found in 54% of the patients. Forty-six percent of the patients had syncopal ventricular tachycardia, 31% ventricular fibrillation and 23% sustained monomorphic ventricular tachycardia. The generator pocket was pectoral in 87% of the patients and abdominal in 13%. The implant of the defibrillator was associated with other cardiac surgery in only 3% of the patients.