Abstract
This study was performed to answer the question: Is the risk of PJI in patients undergoing primary TKA and THA in multi-unit OR higher than in a classical single-unit OR? We hypothesized that the risk of PJI following TKA and THA is not associated with the OR type. We reviewed the medical records of all cases of THA and TKA in our centre, between January 2015 and September 2018, in our single- and multi-unit OR. A total of 8674 patients met the inclusion criteria. Patients were divided into two groups: group 1, surgery in the multi-unit OR (n = 8282); group 2, surgery in the single-unit OR (n = 450). The infection rate between both groups was compared using chi-square test. There was no significant difference between both groups regarding the septic revision rate at three (p = 0.1 and 0.58 respectively) and sixmonths post-operatively (p = 0.22 and 0.7 respectively). In group 1, five patients after TKA and 4 patients after THA were revised within threemonths. At sixmonths, 11 patients after TKA and six patients after THA required revision surgery. In group 2, one patient after TKA and one patient after THA were revised within threemonths. At sixmonths, one patient after TKA and one patient after THA underwent revision surgery. The incidence of SSI does not differ significantly based on OR design in patients undergoing TKA and THA. The number of patients per surgical table in multi-unit OR is higher than in the single-unit OR. This shows that more number of surgeries can be achieved in multi-unit OR and as safe as single-unit OR.
Published Version
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