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Percutaneous Zadek Osteotomy vs Open Haglund Resection for Insertional Achilles Tendinopathy: Early Outcomes and
Sarah Hall Kiriluk1,2, Ettore Vulcano3, Oliver N Schipper4
1University of South Carolina, School of Medicine, Columbia, SC, USA.
Foot & Ankle International
|October 5, 2025
Summary
Both open midline Achilles tendon-splitting Haglund resection and percutaneous Zadek osteotomy (ZO) improve patient outcomes for insertional Achilles tendinopathy (IAT). Percutaneous ZO showed fewer wound complications in this study.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Podiatry
Background:
- Insertional Achilles tendinopathy (IAT) presents management challenges with various surgical interventions available.
- Open midline Achilles tendon-splitting Haglund resection and percutaneous Zadek osteotomy (ZO) are two common surgical approaches for IAT.
- Comparing patient-reported outcomes and complications between these techniques is crucial for guiding clinical decisions.
Purpose of the Study:
- To compare patient-reported outcomes and complication rates between open midline Achilles tendon-splitting Haglund resection and percutaneous Zadek osteotomy (ZO) for IAT.
- To evaluate the effectiveness of each surgical technique in improving function, pain, and mobility.
Main Methods:
- A retrospective comparative study involving patients with IAT ± Haglund deformity.
- Patients underwent either open midline Achilles tendon-splitting Haglund resection or percutaneous ZO.
- Preoperative and postoperative PROMIS scores and complications were analyzed over a minimum 12-month follow-up period.
Main Results:
- Both surgical groups demonstrated significant improvements in PROMIS function, pain, and mobility scores.
- The open Haglund resection group experienced a higher rate of wound complications (25.6%) compared to the percutaneous ZO group (2.9%).
- The difference in wound complications between the two groups was statistically significant (P = .007).
Conclusions:
- Both open midline Achilles tendon-splitting Haglund resection and percutaneous ZO provide clinically meaningful improvements for patients with IAT.
- Percutaneous ZO may be associated with a lower incidence of minor wound complications compared to the open approach.
- These findings should be interpreted with caution due to the study's limitations, including sample size and potential bias.
Keywords:
Haglund deformityHaglund resectionZadek osteotomycalcanealcomplicationhindfootinsertional Achilles tendinopathyminimally invasive surgeryosteotomypercutaneouswound
