Abstract
Purpose
The medial malleolar osteotomy is commonly performed to gain access to the medial talar dome for treatment of osteochondral lesions of the talus. The primary aim of this study was to assess osseous healing based on postoperative radiographs to determine consolidation, non-union and malreduction rates.
Methods
Sixty-seven cases were reviewed where an oblique uniplanar medial malleolar osteotomy was performed to gain access to the medial talar dome for addressing an osteochondral lesion. Two, respectively three fully threaded 3.5 mm corticalis screws were used to fixate the osteotomy. Postoperative radiographs were reviewed to assess consolidation, non-union, malreduction and dislocation of the osteotomy.
Results
Out of 67 patients, 66 patients had a consolidation of the osteotomy. 23.9% of the cases showed malreduction of the osteotomy. One patient suffered a non-union, which required a revision surgery. No significant difference was shown between two and three screws used for fixation in terms of malreduction and consolidation of the osteotomy. Eighty-four percent of the patients underwent hardware removal due to pain or medial impingement.
Conclusion
The oblique medial malleolar osteotomy is a safe and relatively simple procedure with a high consolidation rate and low revision providing excellent exposure of the talus. The moderately high malreduction rate and required hardware removal surgery by most of the patients are relevant factors which should be considered before performing this surgery.
Level of evidence
Level III, retrospective cohort study.
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Acknowledgements
Our friend and colleague Prof. Dr. Alexej Barg helped with the statistical analysis of this paper. We are saddened to inform you that he passed away unexpectedly at an young age of forty-two. Alexej was a dedicated worker who was more focused on the success of his team than his personal benefit. He made many great contributions to orthopedic research and helped it move forward in various ways. Alexej's kind personality, sense of humor and boundless talent will be sorely missed. His work will not soon be forgotten.
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MM, VV, MW or their immediate family, or any research foundation with which they are affiliated did not receive any financial payments or other benefits from any commercial entity related to the subject of this article.
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Meisterhans, M., Valderrabano, V. & Wiewiorski, M. Medial oblique malleolar osteotomy for approach of medial osteochondral lesion of the talus. Arch Orthop Trauma Surg 143, 3767–3778 (2023). https://doi.org/10.1007/s00402-022-04598-9
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DOI: https://doi.org/10.1007/s00402-022-04598-9