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Background  A retrospective and comparative study of transverse process strut (TPS, Group A) compared with titanium mesh cages (TMCs, Group B) in the reconstruction of thoracic stability through the one-stage posterior approach to treat single-segment tuberculosis.    Methods  Sixty patients from January 2013 to December 2016 were analyzed and divided into two groups. The following data of clinical and radiographical assessments were observed preoperatively, postoperatively and during follow-up (FU).    Results  The patients were followed up for an average of 50.20 ± 25.10 months (Group A) and 48.70 ± 27.30 months(Group B) without significant difference. No significant differences were found in the mean of operation time in minutes, blood loss, hospitalization time, drainage and follow-up duration between the groups. The VAS, ODI, ESR and CRP were reduced significantly at the final FU compared with the preoperation values and there was no significance between the groups. Neurological deficits were improved in all patients at the final FU without significant difference between the groups( P  > 0.05). The bony fusion times were 5.85 ± 1.82 months and 8.4 ± 5.1 months with significant difference( P  < 0.05). Comparing with the preoperative values, the kyphosis angle significantly improved, but at the final FU the significant difference was found between the groups ( P  < 0.05). The loss of the angular correction and the fused segmental height in group A was lower than that in group B ( P  < 0.05).    Conclusions  TPS had a better osseous fusion rate, effective maintenance of fused segment stability which is a good bone graft for surgical management of single-segment thoracic spinal tuberculosis.

bmc musculoskeletal disorders

Transverse process strut and titanium mesh cages in the stability reconstruction of thoracic single segment tuberculosis: a retrospective single-center cohort study