Infection Following Posterior Lumbar Spinal Fusion: Rate of Incidence & Factors

A recent study in the Journal of Neurosurgery: Spine identified the rate of infection following posterior lumbar spinal fusion for degenerative spine disease as well as the factors associated with an increased risk of infection after the procedure.

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Researchers examined data from 817 patients who underwent instrumented posterior lumbar fusion for degenerative spine disease between 1993 and 2010.

 

Of the 817 patients, 37 — or 4.5 percent — developed postoperative spine infection. The factors independently associated with an increased risk of infection include:

 

•    Increasing age
•    Diabetes
•    Obesity
•    Previous spine surgery
•    Increasing duration of hospital stay

 

Of the 37 patients in whom infection developed, 21 required operative intervention.

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