• Jane MacIver, Alana Tibbles, Filio Billia, and Heather Ross.
• Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, ON, Canada.
• SAGE Open Med. 2016 Jan 1; 4: 2050312116642693.

BackgroundThere is a class I recommendation for implantable cardioverter-defibrillator deactivation discussions to occur between physicians and heart failure patients. Few studies have reported the patient's perspective on the timing of implantable cardioverter-defibrillator deactivation discussions.AimTo determine patient awareness, preferences and timing of implantable cardioverter-defibrillator deactivation discussions.DesignGrounded theory was used to collect and analyze interview data from 25 heart failure patients with an implantable cardioverter-defibrillator.Setting And ParticipantsPatients with an implantable cardioverter-defibrillator, from the Heart Function Clinic at University Health Network (Toronto, Canada).ResultsThe sample (n = 25) was predominately male (76%) with an average age of 62 years. Patients identified three stages where they felt implantable cardioverter-defibrillator deactivation should be discussed: (1) prior to implantation, (2) with any significant deterioration but while they were of sound mind to engage in and communicate their preferences and (3) at end of life, where patients wished further review of their previously established preferences and decisions about implantable cardioverter-defibrillator deactivation. Most patients (n = 17, 68%) said they would consider deactivation, six (24%) were undecided and two (8%) were adamant they would never turn it off.ConclusionThe patient preferences identified in this study support the need to include information on implantable cardioverter-defibrillator deactivation at implant, with change in clinical status and within broader discussions about end-of-life treatment preferences. Using this process to help patients determine and communicate their implantable cardioverter-defibrillator deactivation preferences may reduce the number of patients experiencing distressing implantable cardioverter-defibrillator shocks at end of life.

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