• C Langstraat, G D Aletti, and W A Cliby.
• Division of Gynecologic Surgery, Mayo Clinic, Rochester, MN, USA. cl.langstraat@gmail.com
• Gynecol. Oncol. 2011 Nov 1;123(2):187-91.

ObjectiveTo assess outcomes and identify underlying predictors of outcomes in a cohort of women over the age of 65 treated for primary ovarian cancer (OC).MethodsConsecutive patients ≥ 65 with stage IIIC or IV OC treated with primary surgery and adjuvant chemotherapy at Mayo Clinic between January 1, 1994 and December 31, 2004 were retrospectively assessed. We analyzed the impact of perioperative factors (age, albumin, CA125, American Society of Anesthesiologist (ASA) score, amount of ascites, presence of carcinomatosis, creatinine, need for urgent surgery, stage of disease, surgical complexity score and amount of residual disease) on surgical outcomes (morbidity, mortality, overall survival (OS) and ability to receive chemotherapy).ResultsTwo hundred eighty patients met inclusion criteria. Age was associated with higher ASA score, lower albumin, and higher creatinine; stage, diffuse peritoneal disease, and surgical complexity were not associated with age. Median OS decreased with increasing age and residual disease (RD), and the impact of RD was greater on older patients. All patients benefited similarly when RD=0 [median OS 5.9 years for age 65-69 vs. 5.0 years in those ≥ 80 (p=0.5516)], for RD<1cm, and OS was 3.4 vs. 2.1 years respectively for youngest vs. oldest patients (p=0.068). Perioperative morbidity was observed in 37.5% of patients ≥ 75. Independent predictors of poor perioperative outcome included preoperative albumin ≤ 3g/dL, urgent surgery, age, and stage (p<0.05). Independent predictors of overall survival included creatinine, albumin, surgical complexity score, amount of residual disease, stage and age.ConclusionAge is an independent predictor of OS in OC. A significant number of elderly women are able to undergo a complete cytoreduction and experience OS similar to that of younger patients. However, the benefits to incomplete cytoreduction are less clear in women ≥ 75. These observations highlight the need to use emerging predictors of outcomes in decision making and to focus care in centers able to render patients with no visible residual disease.Copyright © 2011 Elsevier Inc. All rights reserved.

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