| Summary: | Abstract Recurrent complex spinal tuberculosis accompanied by sinus tract formation is one of the most common and complex types of recurrent tuberculosis. To date, only very few studies have reported the strategies and effectiveness of surgical treatments on postoperative recurrent spinal tuberculosis accompanied by sinus tract formation. In this study, 21 recurrent patients out of 87 patients with complex spinal tuberculosis were reviewed. The data of the patients, including age, gender, existence of drug-resistant mycobacterium tuberculosis, postoperative standard chemotherapy, completeness of lesion debridement, reconstruction of the spinal stability, nutritional status, accompaniment by tuberculosis in other regions, timing of the operations, and areas of the lesions, were collected for single- and multiple-factor analyses. The clinical outcomes were evaluated by long-term follow-ups. The results showed that 7 factors were significantly associated with postoperative recurrence of complex spinal tuberculosis accompanied by sinus tract formation. This suggested that when we treat complex spinal tuberculosis, we should pay more attention to these seven indicators to avoid postoperative recurrence, and our clinical outcomes suggested that it is difficult to treat recurrent complicated spinal tuberculosis combined with sinus tract formation. The key for successful surgical treatment includes effective chemotherapy, radical debridement and proper reconstruction of spinal stability.
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