Diagnostic performance of suction drainage fluid culture for acute surgical site infection after aseptic instrumented spine surgery: a retrospective analysis of 363 cases.

Purpose: Analyze the diagnostic performance of suction drainage fluid culture for acute surgical site infection, which has not been specifically reported in spine surgery patients.

Method: This was a retrospective single-center observational study including data from 363 patients who underwent aseptic instrumented spine surgery between 2015 and 2017. A suction drain was inserted in all cases.