Abstract
BackgroundThis study sought to assess and compare the clinical efficacy and complications of a modified sinus tarsi approach (MSTA) and the extensile lateral approach (ELA) in the treatment of displaced intra-articular calcaneal fractures.MethodsThis retrospective study enrolled 108 patients (117 feet) with Sanders II–IV calcaneal fractures, including 52 patients (56 feet) in the MSTA group and 56 patients (61 feet) in the ELA group. The functional and radiological results of the affected feet were analysed retrospectively. Functional evaluation included American Orthopaedic Foot and Ankle Society (AOFAS), visual analog scale (VAS), and Short Form-36 Health Survey (SF-36). Radiological evaluation included preoperative and postoperative changes in the Bohler Angle, Gissane Angle, length, width, and height of the calcaneus. The postoperative complications were also collected and analysed. The independent-samples t-test and analysis of variance (ANOVA) were employed to compare differences between the two groups. Differences within the same group were compared by paired Student’s t-test, and categorical variables were compared using the chi-square test.ResultsThe postoperative functional and radiological results showed that the mean AOFAS, VAS and physical component summary of SF-36 scores in the MSTA group were higher than those in the ELA group (P<0.05). After surgery, the Bohler and Gissane angles were significantly improved in both groups, as were the length, width, and height of the calcaneus; no statistically significant differences existed between the two groups. The incidences of wound healing complications and postoperative sural nerve injury were lower in the MSTA group than in the ELA group (P<0.000).ConclusionsThe MSTA can achieve similar effects to the ELA in terms of anatomical reconstruction and functional recovery. It also can also effectively reduce the incidences of wound healing complications and postoperative sural nerve injury, and shorten the length of hospital stay.
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