Objective: To develope a modified surgical lavage tube to improve the efficacy of the treatment of orthopaedic postoperative infection.
Methods: A retrospective analysis was performed on 126 patients who received the pulsed lavage therapy with side-hole double valve lavage tube between March 2005 and March 2010. There were 98 males and 28 females, aged 19-63 years (mean, 35 years). The infected sites included femur in 61 cases, tibiofibula in 46 cases, humerus in 12 cases, and patella in 7 cases. The lavage tube obstruction and defluvium, secondary infection of drainage opening, and wound healing were observed during treatment.
Results: No lavage tube defluvium occured during the lavage in all cases. Lavage tube obstruction occurred in 68 cases, edema at the peripheral tissue was caused by obstruction in 9 cases; secondary infection at the lavage and drainage opening in 10 cases, which were cured after corresponding treatment. All cases achieved wound healing by first intention within 2 weeks. Lavage tube and drainage opening were closed within 1 month. All patients were followed up 1-5 years (mean, 18 months) with no recurrence.
Conclusion: Pulsed lavage therapy with side-hole double valve lavage tube can obviously improve the efficacy of the treatment of orthopaedic postoperative infection, so it is an effective modification to convention lavage.
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