Personalized external aortic root support–how to implant it Petr Nemec, Miroslav Kolarik, Petr Fila Acta Chirurgica Belgica, 2022 Personalized External Aortic Root Support (PEARS) is an evolving method of treatment for patients with a dilated aortic root or ascending aorta. This treatment is being adopted in an increasing number of centres. For the sake of the safety of the procedure a standardized surgical technique is necessary. The authors describe a surgical technique of implantation that is derived from their extensive experience.