Beyhan Ataseven1, Andreas du Bois2, Alexander Reinthaller3, Alexander Traut2, Florian Heitz2, Stefanie Aust3, Sonia Prader2, Stephan Polterauer3, Philipp Harter2, Christoph Grimm4. 1. Department of Gynecology and Gynecologic Oncology, Evangelische Huyssens-Stiftung, Kliniken Essen-Mitte, Essen, Germany. Electronic address: b.ataseven@kliniken-essen-mitte.de. 2. Department of Gynecology and Gynecologic Oncology, Evangelische Huyssens-Stiftung, Kliniken Essen-Mitte, Essen, Germany. 3. Department of Gynecology and Gynecologic Oncology, Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria. 4. Department of Gynecology and Gynecologic Oncology, Evangelische Huyssens-Stiftung, Kliniken Essen-Mitte, Essen, Germany; Department of Gynecology and Gynecologic Oncology, Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria.
Abstract
OBJECTIVE: Hypoalbuminemia has been reported as a risk factor for post-operative complications and unfavorable survival in cancer patients. We aimed to evaluate the predictive value of preoperative serum albumin levels on post-operative complication rate and the impact on overall survival (OS) in patients with epithelial ovarian cancer (EOC) undergoing primary cytoreductive surgery. METHODS: The present retrospective study included 604 consecutive patients with EOC who underwent primary cytoreductive surgery at two tertiary cancer centers specialized in gynecologic oncology. Hypoalbuminemia was defined as a pre-operative serum albumin level≤35g/L. Post-operative surgical complications were graded according to the Clavien-Dindo-Classification (CDC). Fisher-test was used to investigate the predictive value of hypoalbuminemia on the rate of severe post-operative complications. Survival analyses were calculated using log-rank test and Cox regression models. RESULTS: The incidence of pre-operative hypoalbuminemia in the entire cohort was 16.4%. Hypoalbuminemia was a predictive factor for severe post-operative complications (CDC 3-5) (OR 3.65, (CI95% 1.59--8.39); p=0.002). Furthermore, median overall survival time of patients with hypoalbuminemia was 24 months compared to 83 months in patients with normal albumin (p<0.001), respectively. Hypoalbuminemia was independently associated with shortened overall survival (HR 2.2 (95% CI 1.6-3.0); p<0.001) even after adjusting established prognostic factors such as age, tumor stage, performance status, and post-operative residual disease. CONCLUSION: Pre-operative hypoalbuminemia can be used as both an independent predictive factor for severe post-operative complications and as prognostic parameter regarding overall survival in EOC patients. Therefore, albumin levels may be incorporated into future clinical trials as stratification factor.
OBJECTIVE:Hypoalbuminemia has been reported as a risk factor for post-operative complications and unfavorable survival in cancerpatients. We aimed to evaluate the predictive value of preoperative serum albumin levels on post-operative complication rate and the impact on overall survival (OS) in patients with epithelial ovarian cancer (EOC) undergoing primary cytoreductive surgery. METHODS: The present retrospective study included 604 consecutive patients with EOC who underwent primary cytoreductive surgery at two tertiary cancer centers specialized in gynecologic oncology. Hypoalbuminemia was defined as a pre-operative serum albumin level≤35g/L. Post-operative surgical complications were graded according to the Clavien-Dindo-Classification (CDC). Fisher-test was used to investigate the predictive value of hypoalbuminemia on the rate of severe post-operative complications. Survival analyses were calculated using log-rank test and Cox regression models. RESULTS: The incidence of pre-operative hypoalbuminemia in the entire cohort was 16.4%. Hypoalbuminemia was a predictive factor for severe post-operative complications (CDC 3-5) (OR 3.65, (CI95% 1.59--8.39); p=0.002). Furthermore, median overall survival time of patients with hypoalbuminemia was 24 months compared to 83 months in patients with normal albumin (p<0.001), respectively. Hypoalbuminemia was independently associated with shortened overall survival (HR 2.2 (95% CI 1.6-3.0); p<0.001) even after adjusting established prognostic factors such as age, tumor stage, performance status, and post-operative residual disease. CONCLUSION: Pre-operative hypoalbuminemia can be used as both an independent predictive factor for severe post-operative complications and as prognostic parameter regarding overall survival in EOC patients. Therefore, albumin levels may be incorporated into future clinical trials as stratification factor.
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