ArticleArchives of orthopaedic and trauma surgery2023
Radiolucent zones of biodegradable magnesium-based screws in children and adolescents-a radiographic analysis.
Article in Archives of orthopaedic and trauma surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 18 citations in OpenAlex.
- Biodegradable Magnesium-Based Implants in Sports Orthopedic Surgery: Advances in Alloy Design, Surface Engineering, and Translational Evidence.Bioengineering (Basel, Switzerland) · 2026Review
- Application of biodegradable implants in pediatric orthopedics: shifting from absorbable polymers to biodegradable metals.Bioactive materials · 2025Article
- Gas Bubbles from Biodegradable Magnesium Implants Convey Mechanical Cues and Promote Immune Cell Stimulation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.Craniomaxillofacial trauma & reconstruction · 2025Review
- Impact of screw design on refixation of solid avulsion fractures of the posterior cruciate ligament-A biomechanical feasibility study.Journal of experimental orthopaedics · 2025Article
- Allograft Screws as Fixation of the Scarf Osteotomy.Journal of clinical medicine · 2024Article
- Investigation of Mechanical and Corrosion Properties of New Mg-Zn-Ga Amorphous Alloys for Biomedical Applications.Journal of functional biomaterials · 2024Article
- Prospective evaluation of ultrasound features of magnesium-based bioabsorbable screw resorption in pediatric fractures.European radiology · 2024Article
- The Biological Effects of Magnesium-Based Implants on the Skeleton and Their Clinical Implications in Orthopedic Trauma Surgery.Biomaterials research · 2024Review
- High Complication Rate and High Percentage of Regressing Radiolucency in Magnesium Screw Fixation in 18 Consecutive Patients.Journal of personalized medicine · 2023Article
- Corrosion Behavior and Biocompatibility of Hot-Extruded Mg-Zn-Ga-(Y) Biodegradable Alloys.Journal of functional biomaterials · 2022Article
- Microstructure and Mechanical Properties of Hot-Extruded Mg-Zn-Ga-(Y) Biodegradable Alloys.Materials (Basel, Switzerland) · 2022Article
- Systems, Properties, Surface Modification and Applications of Biodegradable Magnesium-Based Alloys: A Review.Materials (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionAlbeit the implantation of magnesium-based biodegradable implants can avoid a second surgery for implant removal, the postoperative occurrence of radiolucent zones around these implants based on corrosion processes has not been previously investigated in children and adolescents. We sought to characterize the distinct temporal and spatial dynamics for magnesium-based implants based on standard clinical routine radiographs. MATERIALS AND
methodsWe retrospectively analyzed 29 patients, treated with magnesium-based compression screws (MAGNEZIX
resultsIn 29 patients (16/29 females, 14.03 ± 2.13 years), a total of 57 implants were evaluated that were used for osteotomy (n = 13, screws n = 26), fracture fixation (n = 9, screws n = 18), or osteochondral refixation (n = 7, screws n = 13). All patients healed without complications and regained full function. Radiolucent zones were observed in 27/29 patients at the first follow-up, with significantly decreased ratios at the second follow-up (2.10 ± 0.55 vs 1.64 ± 0.60, p = 0.0006). Regression analyses were performed to assess the temporal dynamics of radiolucent zones and revealed significant logarithmic developments for the 2.7 mm and 3.2 mm screws, marked by a strong ratio decrease during the first weeks and an almost complete disappearance after approximately 100 days and 200 days, respectively. In contrast, the ceramic-coated 4.8 mm screws presented a significant linear and slower decrease of radiolucent zones.
conclusionRadiolucent zones are a common phenomenon in the course of implant degradation. However, they represent a self-limiting phenomenon. Remarkably, neither implant failure nor affected implant function is noted in this context. Yet, the microstructural changes accompanying the presence of radiolucent zones remain to be analyzed by three-dimensional high-resolution imaging.
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