†Deceased (see In Memoriam at the end of this document) *Representative of the Pediatric and Congenital Electrophysiology Society (PACES) ‡Representative of the European Heart Rhythm Association (EHRA) xRepresentative of the Society of Thoracic Surgeons (STS) {Representative of the American College of Cardiology (ACC) #Representative of the Latin American Heart Rhythm Society (LAHRS) **Representative of the Infectious Diseases Society of America (IDSA) ‡ ‡Representative of the American Heart Association (AHA) xxRepresentative of the American Society of Anesthesiologists (ASA) {{Representative of the Asia Pacific Heart Rhythm Society (APHRS)

The content of these European Society of Cardiology (ESC) Guidelines has been published for personal and educational use only. No commercial use is authorized. No part of the ESC Guidelines may be translated or reproduced in any form without written permission from the ESC. Permission can be obtained upon submission of a written request to Oxford University Press, the publisher of the European Heart Journal and the party authorized to handle such permissions on behalf of the ESC.Disclaimer. The ESC Guidelines represent the views of the ESC and were arrived at after careful consideration of the available evidence at the time they were written. Health professionals are encouraged to take them fully into account when exercising their clinical judgement. The guidelines do not, however, override the individual responsibility of health professionals to make appropriate decisions in the circumstances of the individual patients, in consultation with that patient and, where appropriate and necessary, the patient's guardian or carer. It is also the health professional's responsibility to verify the rules and regulations applicable to drugs and devices at the time of prescription.

The ELECTRa study is the largest prospective registry on TLE and confirmed the safety and efficacy of the current practice of TLE. Lead extraction was associated with a higher success rate with lower all cause complication and mortality rates in high volume compared with low volume centres.

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overestimated. Irrespectively, it is important to point out that there is little information with regards to real-life battery longevity for the studied CRT-D device (Quadra Assura MP, St Jude) given its fairly recent commercialization. Nonetheless, we believe the main value of the present study lies in the reported proportional differences in battery longevity between the different pacing programming protocols. Our results may therefore help clinicians make more informed decisions when considering MPP activation, given the current scarcity of information regarding its impact on battery longevity. ConclusionsIn most cases, MPP activation significantly reduces battery longevity compared with that for conventional CRT configuration. However, when reasonable MPP LV vector PCTs (< _4.0 V) are achieved, the decrease in battery longevity is relatively small and this may prompt the clinician to activate MPP in such scenarios.