Study to Evaluate Changes in Cognitive Function in Patients Treated With PCSK9 Inhibitors

The main objective will be to evaluate the changes in the cognitive function in naive patients treated with PCSK9 inhibitors (Alirocumab and Evolocumab) by using the Montreal Cognitive Assesment questionnaire (MOCA). The secondary objectives will be: 1) To evaluate the levels of LDL-cholesterol changes from the beginning to the end of the study 2) To evaluate changes in Quality of Life among the EuroQol EQ-5D-3L questionnaire (it will also be associated to the cognitive function) 3) Assesment of direct costs in medications and outpatients consultations related with the health procedures.