Volume 114, Nº 4, April 2020
DOI: https://doi.org/10.36660/abc.20200249
SHORT EDITORIAL
How Do We Know a Change is an Improvement? The (Not So) New Scientific Knowledge Every Physician Should Learn, Master and Lead
Alexandre Siciliano Colafranceschi
![](images/how-do-we-know-a-change-is-an-improvement-the-not-so-new-scientific-knowledge-every-physician-should-learn,-master-and-lead.jpg)
Keywords: Cardiovascular Surgical Procedures/trends; Quality Improvement; Patient Safety; Hospital Mortality; Database.