• M J Dalrymple-Hay, A Alzetani, S Aboel-Nazar, M Haw, S Livesey, and J Monro.
• Wessex Cardiothoracic Centre, Southampton, UK. MDH@btinternet.com
• Eur J Cardiothorac Surg. 1999 Jan 1; 15 (1): 61-6.

ObjectiveThere has been a gradual increase in the number of elderly patients referred for cardiac surgery. These patients present a difficult challenge, they are usually symptomatic yet at high risk for intervention. The aim of this study is to review our experience with cardiac surgery in patients aged 80 years or older.Patients And MethodsBetween January 1981 and October 1997, 242 patients; 135 female, 107 male, mean age 82.8 years (range 80-95) underwent surgery on cardiopulmonary bypass in our unit. Surgery was performed on 14 as an emergency and 136 on an urgent (patient restricted to a hospital bed due to symptoms) basis. Pre-operatively 182 (75.2%) were in NYHA functional class 3 or 4.ResultsEarly mortality was 14 (5.7%). A mitral valve procedure and emergency surgery were significantly associated (P < 0.05) with an increased risk of operative mortality. Median ITU and in-hospital stay was 1 day (range 0-33) and 10 (range 6-49) days, respectively. Ninety-three percent of patients were living independently at home 2 months post-operatively. Survival (+/-SEM) is 98% complete (totals 557 patient years) and including early mortality at 1 and 5 years was 85.5+/-2.4% (n = 154), and 67.7+/-4.3% (n = 33). Survival for patients undergoing isolated aortic valve replacement (AVR) and coronary artery bypass grafting (CABG) at 5 years was 64.8+/-7.8% and 79.7+/-7.4%, respectively. Survival was significantly worse in patients undergoing a mitral procedure. Using Cox's proportional hazards model only type of operation (mitral surgery) was significantly associated with worse survival.ConclusionCardiac surgery can be performed in a selected elderly population with a low operative mortality. Post-operatively elderly patients attain an excellent quality of life and survival. Emergency and mitral surgery in this group of patients is less rewarding.

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