The main advantage of this technique lays in not using extra-corporal circulation (ECC), thus avoiding complications usually associated with using this apparatus (pulmonary, renal, cerebral, etc.). It has been proved that pumpless heart surgery leads to a fall in mortality rates in high-risk patients, with unquestionable benefits for low-risk patients.

 The development of this technique is based on the appearance of new technology allowing the performance of coronary anastomosis (with heart slowed), without interfering with cardiac haemodynamics. The development of this technique has allowed progress to be made with minimally-invasive heart surgery.

 On the other hand, with the aim of being less aggressive, blood receptacles are used, with the aim of aspirating and processing the blood lost during surgery, to be retransfused. In this way, the need for blood transfusions is avoided in 70% of patients.