Anatomic safety profile of a novel mini external fixator for proximal crescentic osteotomy in hallux valgus correction: A cadaveric study

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dc.authorid0000-0002-0337-4927
dc.authorid0000-0003-3728-6930
dc.authorid0000-0001-9188-4662
dc.authorid0000-0002-7777-5459
dc.authorid0000-0001-7958-3170
dc.authorid0000-0003-4637-9426
dc.contributor.authorCoşkun, Osman
dc.contributor.authorNteli Chatzioglou, Gkionoul
dc.contributor.authorGürses, İlke Ali
dc.contributor.authorOk, Fatma
dc.contributor.authorGayretli, Özcan
dc.contributor.authorErdil, Mehmet
dc.date.accessioned2026-02-14T19:23:15Z
dc.date.available2026-02-14T19:23:15Z
dc.date.issued2026
dc.departmentFakülteler, Tıp Fakültesi, Temel Tıp Bilimleri Bölümü, Anatomi Ana Bilim Dalı
dc.description.abstractPurpose The proximal crescentic osteotomy is an effective procedure for hallux valgus correction, but stable fixation remains challenging. Our previous biomechanical study suggested that the MEF may offer comparable or greater stability than a specific cannulated screw fixation construct in a cadaveric model. This study aims to evaluate the anatomical safety of the MEF by investigating its relationship with critical neurovascular structures and tendons. Methods An anatomical dissection study was performed on ten foot cadaveric specimens. The MEF was applied using five mini-Schanz pins inserted in predefined positions. Following fixation, a layer-by-layer dissection was conducted to expose the dorsalis pedis artery, superficial cutanous branches of the foot, the superficial venous arch, and the extensor hallucis lon gus and brevis tendons. The distance from each pin to these structures and any iatrogenic injuries were recorded. Results The superficial venous arch was injured at low rates by the medial distal pin (20%), the medial proximal pin (10%), and the lateral distal pin (20%). Tendon injury was more frequent, with the extensor hallucis longus tendon being injured by 20–30% of pins, and the extensor hallucis brevis tendon by the lateral intermediate and distal pins (20% each). Conclusion The application of the MEF for first metatarsal fixation appears anatomically safe with respect to major arteries and nerves. The consistent avoidance of the dorsalis pedis artery and key sensory nerves is a significant advantage over some established techniques. However, surgeons should be aware of the potential risk to the superficial venous arch and extensor tendons during pin placement. These findings support further investigation of the MEF for proximal crescentic osteotomy f ixation.
dc.identifier.citationCoşkun, O., Nteli Chatzioglou, G., Gürses, İ. A., Ok, F., Gayretli, Ö., & Erdil, M. (2026). Anatomic safety profile of a novel mini external fixator for proximal crescentic osteotomy in hallux valgus correction: A cadaveric study. Surgical and Radiologic Anatomy, 48, pp. 1-10. https://doi.org/10.1007/s00276-026-03831-z
dc.identifier.doi10.1007/s00276-026-03831-z
dc.identifier.endpage10
dc.identifier.issn1279-8517
dc.identifier.pmidPMID: 41649573
dc.identifier.scopusqualityQ2
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.1007/s00276-026-03831-z
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1334
dc.identifier.volume48
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorNteli Chatzioglou, Gkionoul
dc.institutionauthorid0000-0003-3728-6930
dc.language.isoen
dc.publisherSpringer Nature Link
dc.relation.ispartofSurgical and Radiologic Anatomy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectOsteotomy
dc.subjectHallux Valgus
dc.subjectFoot
dc.subjectSuperficial Venous Arch
dc.subjectDorsalis Pedis Artery
dc.titleAnatomic safety profile of a novel mini external fixator for proximal crescentic osteotomy in hallux valgus correction: A cadaveric study
dc.typeArticle
dspace.entity.typePublication

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