Introduction: aortic valve stenosis (AS), emerges as a new epidemic due to the aging population.Published data relate diabetes mellitus to risk factors involved in the pathogenesis of atherosclerosis. Objectives: to describe the results of aortic valve replacement by ministernotomy in diabetic patients. Methods: an analytical prospective cohort study was carried out on patients with aortic stenosis and diabetes mellitus treated at the Abel Santamaría Hospital and the Hermanos Ameijeiras Hospital from August 2016 to December 2021, the sample included 16 patients. Clinical and postoperative variables were used. Results: 66,7 % of the patients with aortic stenosis had a history of diabetes mellitus. Of these diabetics, 68,8 % were type 2 and only 31,2 % were type 1. Several post-surgical complications were listed and respiratory infections predominated with 12,5 %. Conclusions: Dyslipidemias and diabetes constitute atherogenic risk factors associated with aortic stenosis. Type 1 diabetes is the most frequently associated with aortic stenosis. The predominant symptoms independent of the type of diabetes were dyspnea and angina, and the predominant post-surgical complication was respiratory infections.