• Tomás Cerda, Luciana Crispino, and Alejandro Paredes.
• Departamento de Medicina Interna, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
• Rev Med Chil. 2023 Oct 1; 151 (10): 139914051399-1405.

AbstractThe use of implantable cardioverter-defibrillators (ICDs) has been on the rise. Patients using ICDs inevitably transit towards the end of life at some point, including some who develop terminal illnesses. In this context, it is relevant to discuss and evaluate the deactivation of these devices with the aim of addressing patients' comfort and avoiding shocks during the end-of-life phase. There are multiple communicational and operational barriers when considering ICDs deactivation. Firstly, many patients have not discussed this issue with their physicians despite international guidelines recommending such discussions before device installation. Secondly, there is a significant lack of knowledge among patients, family members, and even doctors about the benefits of ICDs, as well as the deactivation process and ethics considerations, which leads them to believe that immediate death will occur, considering it as euthanasia or assisted suicide. Finally, the management of hospice patients or end-of-life ICDs users is poorly standardized, with low rates of deactivation, resulting in shocks in the last minutes of life, which can cause marked distress to patients and families. It is necessary to address these barriers and discuss these issues with patients to inform and educate them about the functioning of their devices, with the ultimate goal of enabling informed and shared decision-making for patient well-being.

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