• Eduardo Turner, Sebastián Iturra, César Paulsen, Gabriel Olivares, Mario Portilla, and Andrea Canals.
• Instituto Nacional del Tórax, Santiago, Chile.
• Rev Med Chil. 2021 Apr 1; 149 (4): 508-513.

BackgroundDespite being introduced 20 years ago minimally invasive aortic valve replacement is only performed routinely in a minority of patients world-wide.AimTo report the operative outcome of minimally invasive aortic valve replacement done through a partial upper sternotomy.Patients And MethodsRetrospective analysis of data recorded prospectively of 450 consecutive patients with a median age of 66 years (59% males) who had a minimally invasive aortic replacement.Results79% of patients had aortic stenosis. Cross clamp/cardiopulmonary bypass times (median) were 56 and 68 minutes respectively. Conversion to full sternotomy was required in 2.6% of patients, reoperation for bleeding in 2.9%. 1.6% suffered a stroke and 19% postoperative atrial fibrillation. 0.9% required a permanent pacemaker. Postoperative mortality was 0.9%. Median postoperative hospital stay was six days.ConclusionsMinimally invasive aortic valve replacement can be performed with satisfactory results.

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