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Abstract

Background:

Dorsal closing-wedge calcaneal osteotomy (DCWCO) is a treatment option for persistent Haglund exostosis–related heel pain after failed conservative management. In modifying the orientation of the calcaneal tendinous insertion site and reducing mechanical stress, the consequences of DCWCO-associated biomechanical changes on everyday foot function remain unknown.

Methods:

This retrospective cohort study analyzed routinely collected clinical data as well as data from our foot and ankle registry. One hundred twenty patients (66 males, 54 females, 17-77 years) who underwent DCWCO from January 2016 to December 2019 were included. Adverse events were collected from the patient files. Foot Function Index (FFI) scores were collected before (baseline) and at 6, 12, and 24 months postsurgery. Radiographic parameters including the Achilles tendon moment arm and X/Y ratio were evaluated from standard preoperative and 6-week postoperative radiographs. Correlations between FFI and biomechanical changes were calculated for men and women separately with the Pearson correlation coefficient and Bonferroni correction.

Results:

One intra- and 18 postoperative adverse events were documented. Mean baseline FFI pain decreased from 47.9 ± 17.2 to 12.0 ± 17.5 points at 24 months with an average decrease of −21.8 ± 21.3 points occurring within the first 6 months postsurgery. A similar trend was also seen with the FFI disability score (49.6 ± 20.3 to 12.8 ± 17.6 points). The mean decrease in Achilles tendon moment arm was −8.1 ± 3.8 mm and mean X/Y ratio increased from 2.6 ± 0.3 to 3.8 ± 1.0. There were no significant correlations between the FFI score and radiographic changes.

Conclusion:

DCWCO effectively alleviates exostosis-related heel pain and associated disabilities. Improvements can still be expected up to 2 years after surgery. Radiographic changes of the foot and ankle are significant but do not correlate with patient-reported outcome measures.

Keywords

calcaneal osteotomy descriptive cohort foot surgery Haglund exostosis Haglund deformity Keck and Kelly Zadek osteotomy patient-reported outcomes radiographic parameters

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Open Dorsal Closing-Wedge Calcaneal Osteotomy for Haglund Exostosis–Related Heel Pain

Abstract

Background:

Methods:

Results:

Conclusion:

Keywords

Get full access to this article

References

Supplementary Material