title: Letter to the editor regarding survival in octogenarians undergoing cardiac resynchronization therapy compared to the general population.
authors.affiliation: Department of Cardiology, University Hospital Southampton NHS Foundation Trust, Southampton, UK; University Hospitals Bristol NHS Foundation Trust, Bristol, UK. Drdgwilson@gmail.com.
authors.forename: David G
authors.initials: DG
authors.lastname: Wilson
authors.forename: Edward R
authors.initials: ER
authors.lastname: Duncan
mesh_terms: D058406:Cardiac Resynchronization Therapy / Q000401:mortality*; D005260:Female; D006333:Heart Failure / Q000401:mortality* / Q000517:prevention & control*; D006801:Humans; D008297:Male