ArticleUlusal travma ve acil cerrahi dergisi = Turkish journal of trauma & emergency surgery : TJTES2022
Comparison of effective factors in loss of reduction after locking plate-screw treatment in humerus proximal fractures.
Article in Ulusal travma ve acil cerrahi dergisi = Turkish journal of trauma & emergency surgery : TJTES, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 5 citations in OpenAlex.
- Anatomical implant region - a critical determinant for the osteogenic potency of small extracellular vesicles and rhBMP-2.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2025Article
- The Arterial Axis Lesions in Proximal Humeral Fractures-Case Report and Literature Review.Journal of personalized medicine · 2023Article
- The medial cortical ratio as a risk factor for failure after surgical fixation of proximal humerus fractures in elderly patients.Joint diseases and related surgery · 2023Article
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundIn proximal humerus fractures, loss of reduction can occur following surgical fixation. The factors that affect loss of reduction in cases treated with locking plates as well as their relationship with the degree of loss of reduction were investigated in this study.
methodsThe study included 48 patients who underwent surgical treatment with a locking plate for a displaced proximal humerus fracture and experienced loss of reduction during follow-up. According to the degree of reduction loss, patients were divided into two groups as low grade and severe loss of reduction. The following parameters were investigated: Head-neck angle, loss of head height, degree of medial support displacement, screw penetration, implant-to-screw ratio, graft use, calcar screw application for medial sup-port, delayed union/nonunion, arthrosis, and avascular necrosis findings.
resultsIn the early period, in Group I (n=27) and Group II (n=21) patients, the mean head-neck angle was 133°±9.9° (118°-141°) and 131°±11.2° (114°-143°), the distance between the head-plate end points was 8.08±2.8 mm and 11.5±3.1 mm, and the displace-ment between the medial support fracture fragment was 1.19±0.9 mm and 1.69±1.8 mm, respectively. Furthermore, in the late period, the mean head-neck angle was 120°±11.8° (106°-136°) and 112°±13.1° (98°-120°), the distance between the head-plate end points was 5.6±3.2 mm and 6.3±3.3 mm, and the displacement between the medial support fracture fragment was 2.79±1.9 mm and was 6.79±1.9 mm in Group I and Group II patients, respectively. While there was a significant relationship between the amount of medial displacement and changes in neck-shaft angle (p=0.0313) and humeral head height (p=0.0272), there was no significant relationship between the groups in terms of screw ratios, fracture type, and age.
conclusionMany factors influence loss of reduction in proximal humerus fractures after surgical treatment with a locking plate. Supporting the medial region is particularly critical for maintaining reduction in the post-operative period. Furthermore, a relationship was revealed between the amount of medial displacement and the values of head-neck angle and head height.
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