Abstract
Background:
Postoperative heel pain arising from prominent screw heads is a common complication following medial displacement calcaneal osteotomy (MDCO). This study aims to present the clinicoradiographic outcomes of a novel MDCO technique, wherein intramedullary fixation of a conventional low-profile locking wedge plate is employed.
Methods:
A retrospective analysis, involving a comparison of clinical and radiographic parameters among consecutive patients who underwent MDCO was conducted. The patients were subjected to either intramedullary wedge plate fixation through the osteotomy site (IWPF group, n = 45 cases) or conventional cannulated screw fixation from the heel (CCSF group, n = 51 cases). Radiographic evaluation included measurement of hindfoot alignment angle, alignment ratio, and moment arm. Clinical outcomes were measured with the American Orthopaedic Foot & Ankle Society ankle-hindfoot score, and the Foot and Ankle Ability Measure (FAAM) activities of daily living and sports subscales, before and at 6, 12, and ≥24 months postoperatively. The presence of heel pain was evaluated at the postoperative 6 and 12 months in both groups.
Results:
For both groups, a marked enhancement in all 3 radiographic parameters was observed. The extent of correction for all clinicoradiographic parameters demonstrated no statistically significant divergence between the 2 groups. However, the FAAM-Sports scores at the 6-month postoperative juncture exhibited a significant elevation in the IWPF group relative to the CCSF group. Importantly, no patient reported heel pain at postoperative 6 and 12 months in the IWPF group whereas the rates of patients having heel pain at postoperative 6 and 12 months were 56.8% (29 cases) and 33.3% (17 cases), respectively, in the CCSF group.
Conclusion:
Both techniques yield analogous postoperative clinical and radiographic enhancements. However, the utilization of IWPF promotes a swifter clinical improvement with respect to sports activities when juxtaposed with the CCSF from the calcaneal tuberosity.
Level of Evidence:
Level III, retrospective comparative study.
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