Retrospective cohort analysis of Spanish national trends of coronary artery bypass grafting and percutaneous coronary intervention from 1998 to 2017

Introduction:

Spain is one of the countries with the lowest rates of revascularization and highest ratio of percutaneous coronary intervention (PCI) to coronary artery bypass grafting (CABG).

Objectives:

To investigate the changes and trends in the two revascularization procedures between 1998 and 2017 in our country.

Design:

Retrospective cohort study. Analysis of in-hospital outcomes.

Setting:

Minimum Basic Dataset from the Spanish National Department of Health: mandatory database collecting information of patients who are attended in the Spanish public National Health System.

Participants:

603,976 patients who underwent isolated CABG or PCI in the Spanish National Health System. The study period was divided in four 5-year intervals. Patients with acute myocardial infarction on admission were excluded.

Primary and Secondary Outcomes:

We investigated the volume of procedures nationwide, the changes of the risk profile of patients and in-hospital mortali...