OBJECTIVETo explore the reason,diagnose outline,therapeutic tool of the incisions deep infections at early stage after lumber internal fixation.

METHODSFrom January 2001 to December 2011, 10 patients with incisions deep infections at the early stage after the posterior lumber internal fixation were treated with intervertebral space lavaging. There were 1 male and 9 females with an average age of 63 years, and an average infection started at the 6th day after operation. The main clinical features including backleg pain aggravating, fervescence, fresh seepage from the wound, and blood inflammatory index increased, etc. According to whether the wound could heal at the first treatment stage as a evaluation standard of curative effect.

RESULTSTen cases were followed up with an average period of 17 months. The wounds of 9 cases healed at the first stage and no recurrence and complications were found. One case underwent debridgement of many times with the therapic period of 7 months,at last,after taking out the vertebral pedicle bolt,the wound healed,and no recurrence after follow-up of 18 months.

CONCLUSIONThe deep wound infections after the lumber internal fixation should receive intervertebral space lavaging as soon as possible. The method can finally remain internal fixations and obtain satisfactory effects, but avoiding too much tissue cutting and tube setting in the deep intervertebral space are the keys to the successful fixation.