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Comparison of our modified hybrid bone transport technique and conventional bone transport technique in treatment of distal tibial osteomyelitis with bone defects involving the articular surface / 中华创伤骨科杂志
Chinese Journal of Orthopaedic Trauma ; (12): 650-657, 2022.
Article in Chinese | WPRIM | ID: wpr-956570
ABSTRACT

Objective:

To introduce our modified hybrid bone transport technique using hindfoot arthrodesis nails combined with antibiotic-loaded calcium sulfate by comparison with conventional bone transport in the treatment of distal tibial osteomyelitis with bone defects involving the articular surface.

Methods:

The clinical data of 34 patients were retrospectively analyzed who had been treated at Department of Orthopaedics, Honghui Hospital for distal tibial osteomyelitis with bone defects involving the articular surface from September 2014 to September 2019. They were divided into 2 groups according to their way of repairing bone defects. In the modified group of 14 cases subjected to the treatment using the modified hybrid bone transport technique, there were 9 males and 5 females, with an age of (39.4±7.3) years. In the conventional group of 20 cases subjected to the treatment using conventional bone transport technique, there were 12 males and 8 females, with an age of (41.2±6.6) years. The external fixation time (EFT), external fixation index (EFI), self-rating anxiety scale (SAS) were recorded and compared between the 2 groups. Healing of bone defects and function were evaluated at the last follow-up according to the criteria of Association for the Study and Application of the Method of Ilizarov (ASAMI) and American Orthopaedic Foot and Ankle Society (AOFAS) ankle-posterior foot score, respectively. Complications were recorded according to the Paley classification.

Results:

There was no significant difference in the general data between the modified group and the conventional group, showing they were comparable ( P>0.05). Thirty-four patients were followed up for 18 to 32 months (average, 27 months) after operation. The modified group had significantly shorter EFT [(3.9±1.6) months] than the conventional group [(9.8±2.2) months], and significantly lower EFI [(0.48±0.09) months/cm] than the conventional group [(1.42±0.32) months/cm] ( P<0.05). The SAS [(48.1±4.7) points] in the modified group was significantly lower than that in the conventional group [(61.2±6.2) points], and the number of complications per capita in the former [(0.8±0.4)/case] was significantly smaller than that in the latter [(1.42±0.32)/case] ( P<0.05). There were no significan differences in the healing of bone defects or AOFSA ankle-posterior foot score ( P>0.05). In the modified group and the conventional group, respectively, 13 versus 12 patients were satisfied while 1 versus 8 patients unsatisfied, 1 versus 8 patients had grade-Ⅱ infection while 13 versus 12 patients did not, and 1 versus 9 patients had grade-Ⅲ infection while 13 versus 11 patients did not. There were significant differences between the 2 groups in the above indexes (all P<0.05).

Conclusion:

In the treatment of distal tibial osteomyelitis with bone defects involving the articular surface, compared with conventional bone transport technique, our modified hybrid bone transport technique using hindfoot arthrodesis nails combined with antibiotic-loaded calcium sulfate may lead to better clinical efficacy due to the advantages of shorter external fixation time, lower external fixation index and fewer complications.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedic Trauma Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedic Trauma Year: 2022 Type: Article