Abstract
Radical cystectomy is the reference treatment for muscle invasive bladder cancer. This surgery is
associated with a high complication rate and has an important impact on patients’ quality of life.
Nutritional status influences outcomes of diseases and surgeries, but few nutritional factors have
been associated with complications or mortality after radical cystectomy. We conducted a systematic
review to identify factors of the nutritional status associated with the development of complications or
mortality after the surgery. This review has shown that hypoalbuminemia seems to be associated
with a higher risk of death after the surgery. We conducted a cohort study to identify factors of
nutritional status prospectively assessed that predict complications after radical cystectomy, using a
standardized reporting method of complications and optimized regression models. Preoperative high
body mass index, decreased appetite, weight loss, hypoalbuminemia and hypo-prealbuminemia were
associated with complications after RC in this cohort study. Clinical trials are needed to assess
surgery issues of preoperative nutritional interventions.