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Low postoperative infection rates with instrumented lumbar fusion
S D Hodges1, S C Humphreys, J C Eck
1Chattanooga Orthopaedic Group, Foundation for Research, Tenn 37404, USA.
Background:
Studies have shown postoperative infection rates increase with the use of internal instrumentation. It is believed that longer operative times, prolonged retraction, instrumentation, and bone grafting lead to a higher risk of infection.
Methods:
We retrospectively reviewed 126 consecutive instrumented lumbar fusions. All had bone graft. The infection rate was statistically compared with previously reported values.
Results:
Our infection rate (0.8%) was lower than the combined data from the literature (2.8%), though not significantly different. No significant differences were noted regarding patient or surgical factors.
Conclusions:
This review showed that low rates of postoperative infection can be achieved despite patient or surgical factors. We believe that conforming to strict techniques, including copious irrigation and debridement, and having experienced operating room personnel and short operating times will reduce the incidence of postoperative infections.