Surgical Management of Patellar Fractures.

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Abstract

[Indexed for MEDLINE] 6. J Int Med Res. 2020 Apr;48(4):300060519893495. doi: 10.1177/0300060519893495. Epub 2019 Dec 27. Modified two-tension-band for patellar fractures. Zhang C(1), Zhao Y(1), Deng K(1). Author information: (1)Department of Orthopaedic Trauma and Microsurgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China. OBJECTIVE: To compare a modified two-tension-band (MTTB) technique with the AO tension band in treating patellar fractures. METHODS: This retrospective study included patients treated with AO tension band (group 1) or MTTB (group 2). Data obtained during serial follow-up evaluations of time to bony union, range of motion (ROM), Hospital for Special Surgery (HSS) score and complication rates, were analysed. RESULTS: Fractures healed in all 51 patients included in the study (group 1, n = 28; group 2, n = 23), with no statistically significant between-group difference in time to bony union. Regarding function results, group 2 had better HSS scores at 3 and 6 months postoperatively; however, at 1 year postoperatively, both groups had similar HSS scores and achieved acceptable flexion and ROM. The overall complication rate was significantly lower in group 2, but average costs were higher in group 2 versus group 1. CONCLUSION: MTTB provides secure fixation and improved knee function at 3 and 6 months postoperatively, and has a lower complication rate with early mobilization, compared with the AO tension-band technique. DOI: 10.1177/0300060519893495 PMCID: PMC7783263