Due to demographic aging and increasing comorbidities, cardiac surgery may still be associated with high morbidity, mortality, and prolonged postoperative stay, despite significantly increased knowledge and modern, much less invasive techniques [1][2][3][4]. The population of patients with cardiovascular disease planned for cardiac surgery has a high prevalence of advanced age, frailty, low cardiac fitness and severe extracardiac comorbidities, which may exacer bate the decline in physiological reserve and