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Updated: Jan 9, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
Portuguese National Registry on cardiac implantable electronic devices (2021-2022)
Pedro Santarém Semedo1, Paulo Fonseca2, Sílvia Ribeiro3
1Unidade Local de Saúde do Alentejo Central, Évora, Portugal.
Introduction And Objectives:
We present data from the national registry of implantable cardiac devices (CIED) promoted by the Portuguese Association of Pacing and Electrophysiology for the years 2021 and 2022.
Methods:
This is an annual, voluntary, multicenter registry with retrospective data collection. The evolution of interventions over time and the distribution by type of device are evaluated.
Results:
The overall trend has been one of growth in previous years and during the biennium, with an increase in the total number of interventions across all CIED types. The only exception was cardiac resynchronization therapy associated with defibrillation capacity, which saw a decrease from 2021 to 2022.
Conclusions:
Following a period of stagnation in the years leading up to this report, possibly due to COVID-19, there was a significant increase in procedures in the years under review. This growth highlights the vitality of the sector in Portugal and its strong position within Europe. This registry allows for the monitoring of the situation of Portuguese centers in relation to CIED procedures and their evolution.
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