• J S Lee and K T Suh.
• Department of Orthopaedic Surgery, Pusan National University, College of Medicine, 1-10 Ami-Dong, Seo-Gu, Pusan 602-739, Korea.
• J Bone Joint Surg Br. 2006 Jun 1; 88 (6): 765-70.

AbstractThere are few reports on the treatment of pyogenic lumbar spondylodiscitis through the posterior approach using a single incision. Between October 1999 and March 2003 we operated on 18 patients with pyogenic lumbar spondylodiscitis. All underwent posterior lumbar interbody fusion using an autogenous bone graft from the iliac crest and pedicle screws via a posterior approach. The clinical outcome was assessed using the Frankel neurological classification and the criteria of Kirkaldy-Willis. Under the Frankel classification, two patients improved by two grades (C to E), 11 by one grade, and five showed no change. The Kirkaldy-Willis functional outcome was excellent in five patients, good in ten and fair in three. Bony union was confirmed six months after surgery in 17 patients, but in one patient this was not achieved until two years after operation. The mean lordotic angle before operation was 20 degrees (-2 degrees to 42 degrees ) and the mean lordotic angle at the final follow-up was 32.5 degrees (17 degrees to 44 degrees ). Two patients had a superficial wound infection and two a transient root injury. Posterior lumbar interbody fusion with an autogenous iliac crest bone graft and pedicle screw fixation via a posterior approach can provide satisfactory results in pyogenic spondylodiscitis.

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