Abstract Background Cardiovascular diseases (CVD) remain the leading cause of mortality worldwide. Medication adherence is an important issue in managing chronic CVD, directly influencing outcomes and healthcare costs. Objectives This systematic review, supported by the Brazilian Society of Cardiology, evaluates the impact of poor adherence to cardiovascular medications on critical clinical outcomes such as death and cardiovascular events. Methods A comprehensive search was conducted across four databases, including Medline, Embase, Lilacs, and the Cochrane Library. The review included systematic reviews […]