The treatment of posterolateral tibial plateau fracture with a newly designed anatomical plate via the trans-supra-fibular head approach: preliminary outcomes.

BMC Musculoskelet Disord

Department of Orthopedics, Taizhou Hospital of Zhejiang Province, Affiliated to Wenzhou Medical University, No. 150 Ximen Street, Zhejiang, 317000, Linhai , China.

Published: September 2021

Background: There are no ideal plates or approaches for anatomical restoration and rigid fixation of posterolateral tibial plateau fractures. This study aimed to evaluate the short-term preliminary outcomes of our novel anatomical plate placed via the trans-supra-fibular approach to treat posterolateral tibial plateau fractures.

Methods: From May 2016 to May 2018, 23 consecutive patients with posterolateral tibial quadrant fractures underwent open reduction with internal fixation via the trans-supra-fibular-head approach with our newly developed plate. The tibial plateau-tibial shaft angle (TPTSA), lateral posterior tibial slope angle (LPSTA), step-off, and condylar widening were measured on radiological images pre-operatively, 3 days post-operatively, 3 months post-operatively, and at the final follow-up examination. The radiological Rasmussen score was calculated, and the Hospital for Special Surgery (HSS) knee score was assessed to evaluate the functional outcomes.

Results: The LTPSA, TPTSA, step-off, and condylar widening at 3 days post-operatively, 3 months post-operatively, and at the final follow-up were significantly different (p = 0.001) compared with those pre-operatively, as was the radiological Rasmussen score (p = 0.001). The HSS score at the final follow-up was 89.10 ± 5.94 (range, 78-98), which was significantly higher than that at the 3-month follow-up 84.36 ± 6.76 (range, 74-96); p = 0.001).

Conclusions: Our newly designed anatomical plate placed via the trans-supra-fibular approach can effectively treat posterolateral tibial plateau fractures. We noted minor trauma, stable fixation, and satisfactory clinical results.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8449912PMC
http://dx.doi.org/10.1186/s12891-021-04684-wDOI Listing

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