• Grischa Hoffmann, Christine Friedrich, Moritz Barrabas, Rainer Petzina, Assad Haneya, Bernd Panholzer, Rouven Berndt, and Jochen Cremer.
• Department of Cardiovascular Surgery, University Hospital Schleswig-Holstein, Kiel, Germany grischa.hoffmann@uksh.de grischa.hoffmann@gmx.de.
• Interact Cardiovasc Thorac Surg. 2016 Sep 1; 23 (3): 377-82.

ObjectivesDemographic changes lead to a rising incidence of octogenarians undergoing surgical revascularization of coronary artery disease. Minimally invasive direct coronary artery bypass (MIDCAB) represents a surgical treatment with reduced trauma and without the use of cardiopulmonary bypass. The aim of this study was to evaluate short- and long-term outcomes after MIDCAB in octogenarians.MethodsBetween 1998 and 2012, 1060 patients underwent MIDCAB at our department. Among them, 72 patients (6.8%) were older than 80 years at the time of operation. Incidence of major adverse cardiac and cerebrovascular events (MACCEs) was compared between octogenarians [median age 82 (81; 85) years, 63.9% male] and younger MIDCAB patients [median age 64 (56; 70) years, 70.7% male] after 30 days and during follow-up. The impact of demographics and preoperative comorbidities on mortality during follow-up was analysed.ResultsAt baseline, the elderly group presented with a statistically significant higher logistic EuroSCORE I (9.2 vs 2.2%, P < 0.001). Within 30 days, octogenarians showed a mortality rate of 5.6% (younger patients 0.8%, P = 0.006) and an MACCE rate of 5.6% (younger patients 1.3%, P = 0.024). The median follow-up time of 30-day survivors was 5.5 (2.9; 7.6) years and follow-up completeness reached 96.9%. In the elderly group, 1-, 3- and 5-year survival rates were 89, 78 and 63% in comparison with 97, 94 and 90% in the younger group (P < 0.001), respectively. The estimated median survival time in octogenarians was 6.7 (CI 4.854; 8.629) years. Logistic regression showed preoperative renal impairment, peripheral arterial occlusive disease and pulmonary hypertension to have a stronger impact on mortality during follow-up than age above 80 years.ConclusionsMIDCAB represents a safe treatment option in octogenarians and is associated with a good perioperative outcome and satisfying long-term results in octogenarians.© The Author 2016. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.

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