Mitral valve surgery in octogenarians: Identifying factors that can guide clinical decision-making - Pavlopoulos, Dionysios; Mylonas, Konstantinos S; Avgerinos, Dimitrios; Petsios, Konstantinos; Samanidis, George; Katsaridis, Sotirios; Perreas, Konstantinos (Asian Cardiovascular and Thoracic Annals, 2023)