Preoperative anemia is associated with increased radical cystectomy complications.

The impact of anemia in postoperative complications following radical cystectomy (RC) is not completely elucidated and its association with direct hospital costs has not been characterized in depth. Our goal is to determine the association between anemia, 90-day surgical complications and the expenditure attributed to preoperative anemia in patients undergoing RC. We captured all patients who underwent RC between 2003 and 2017 using the Premier Hospital Database (Premier Inc, Charlotte, NC). Patient, hospital and surgical characteristics were evaluated. Anemia was defined by a corresponding diagnostic code that was present on admission prior to RC. Unadjusted patients' demographic characteristics with and without anemia, hospital and surgeon characteristics were compared, and multivariable regression models were developed to evaluate 90-day complications and total direct hospital costs. The cohort included 83,470 patients that underwent RC between 2003 and 2017 and 11% were found to be anemic. On multivariable analysis, preoperative anemia more than doubled the odds of having a complication (odds ratio 2.19 (1.89-2.53)) and significantly increased the risk of major complications (odds ratio 1.51 (1.31-1.75)) at 90-days after RC. Anemic patients had significantly higher 90-days total direct costs due to higher laboratory, pharmacologic, radiology and operating room costs. Anemic cystectomy patients face a 50% increase in the risk of major complications within the first 90-days after surgery. This increased risk persisted after adjusting for patient, hospital and surgical factors. Our study suggests hematocrit level prior to RC may be used as a pre-exisitng condition for increased risk of surgical complications.

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