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BACKGROUND: Chronic ankle instability is frequent complication following ankle sprains. Anatomical reconstruction of the anterior talofibular ligament (ATFL) and the calcaneofibular ligament (CFL) with a gracilis autograft is a validated reconstruction technique. The signal-to-noise quotient ankle (SNQA) score evaluates graft maturation with MRI and has been shown to be reproducible and reliable. The goal of this study was to evaluate the process of ligamentization of the anatomical reconstruction of the ankle using the SNQA. The hypothesis was that the SNQA signal of the ATFL and the CFL would decrease over time. METHODS: A prospective cohort of patients who underwent arthroscopic anatomical ATFL-CFL reconstruction was included. All patients underwent a follow-up MRI examination 3, 6. and 12 months after surgery and the SNQA score was determined. RESULTS: Twenty consecutive patients were included. The SNQA score decreased significantly over time for the ATFL (p = 0.001), the CFL (p < 0.001) and for the fibular bone tunnel-graft interface (p = 0.02). The SNQA scores of the ATFL were significantly higher than those of the CFL at 3 months (p = 0.01), 6 months (p = 0.003) and 12 months (p < 0.001), and then those of the fibular tunnel-graft interface at 12 months (p = 0.003). There was no difference in the SNQA score between the CFL and in the fibular graft-bone tunnel interface at any of the follow up periods. CONCLUSION: There is a process of graft maturation following anatomical ATFL and CFL reconstruction over time, which is faster for the CFL than for the ATFL during the first year. LEVEL OF EVIDENCE: II.

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Reconstruction of bone loss in the cranial vault may be necessary for functional or aesthetic reasons following trauma, decompression craniectomy, or craniofacial malformations. Many techniques have been described in the literature, using various materials, each with its own advantages and drawbacks. Reconstruction with polymethylmetacrylate cement has the advantage of a durable result and relative ease of use. In this article we present our cement cranioplasty technique through 4 clinical cases of cranial vault reconstruction, by direct intraoperative modeling on the bone defect. This accessible, effective method, applicable to all sizes of defect, remains an attractive option in the arsenal of techniques available today.

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RESUMEN

Lower extremity war wounds are characterized by high-energy trauma occasioning loss of complex and pluritissular substances. The support pipeline put into place by the French defense health service (SSA) is designed to rapidly evacuate the injured person from the scene of injury to mainland France, following initial surgery in the framework of a sequential tactic known as "Damage Control Surgery". This strategy is aimed at stabilizing the traumatized individual and enabling his evacuation. Patients are subsequently treated in a restorative surgery unit in a Hôpital d'Instruction des Armées (HIA), a level 1 trauma center (HIA Percy, HIA Saint-Anne) Cooperation between the plastic and orthopedic surgery specialties is essential insofar as it allows for surgical optimization aimed at saving the limb while restoring function to the greatest possible extent. Notwithstanding painstaking application of this common strategy, septic pseudoarthrosis remains the principal and most feared complication, at times rendering impossible any therapeutic solution other than amputation. Whether prosthetic or non-prosthetic, the rehabilitation provided by doctor/physiotherapists is conducive to patients' social and professional reintegration. The nation's duty to assist its wounded veterans is carried out with determination by the French defense ministry. As concerns lower extremity war wounds, the authors detail the reconstruction doctrine based on the 6/7/8/9 rule, in accordance with which strategies for repair of soft tissue and reconstruction of the lost bone substance have been developed.

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