ArticleRevista brasileira de ortopedia
Analysis on the mechanical resistance of fixation of femoral neck fractures in synthetic bone, using the dynamic hip system and an anti-rotation screw.
Article in Revista brasileira de ortopedia. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 12 citations in OpenAlex.
- Global trends of Pauwels type III femoral neck fractures: bibliometric analysis and visualized study.Frontiers in surgery · 2024Article
- Prevention of sclerosis around cannulated screw after treatment of femoral neck fractures with bioceramic nails: a finite element analysis.BMC musculoskeletal disorders · 2023Article
- New fixation method for Pauwels type III femoral neck fracture: a finite element analysis of sliding hip screw, L-shaped, and L-shaped with medial plate.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2021Article
- Novel Design of Minimal Incision Double Oblique Device for Osteosynthesis (DODO) of Hip: Results of an In-silico Study Based on the Femur Morphometrics of the Northeast (NE) Indian population.Indian journal of orthopaedics · 2021Article
- Biomechanical study of different internal fixations in Pauwels type III femoral neck fracture - A finite elements analysis.Journal of clinical orthopaedics and trauma · 2021Article
- Clinical outcomes of dynamic hip screw fixation of intertrochanteric fractures: comparison with additional anti-rotation screw use.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2019Article
- BIOMECHANICAL ANALYSIS OF FEMORAL NECK FRACTURE FIXATION IN SYNTHETIC BONE.Acta ortopedica brasileiraArticle
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6 authors at 1 institution in 1 country.
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Abstract
objectiveTo statistically analyze the results obtained from biomechanical tests on fixation of femoral neck fractures of Pauwels III type, in synthetic bone, using the dynamic hip system with an anti-rotation screw, versus a control group.
methodsTen synthetic bones from a Brazilian manufacturer (model C1010) were used and divided into two groups: test and control. In the test group, fixation of an osteotomy was performed with 70° of inclination at the level of the femoral neck, using DHS with an anti-rotation screw. The resistance of this fixation was evaluated, along with its rotational deviation at 5 mm of displacement (phase 1) and at 10 mm of displacement (phase 2), which was considered to be failure of synthesis. In the control group, the models were tested in their entirety until femoral neck fracturing occurred.
resultsThe test values in the test group (samples 1-5) in phase 1 were: 1512 N, 1439 N, 1205 N, 1251 N and 1273 N, respectively (mean = 1336 N; standard deviation [SD] = 132 N). The rotational deviations were: 4.90°, 3.27°, 2.62°, 0.66° and 0.66°, respectively (mean = 2.42°; SD = 1.81°). In phase 2, we obtained: 2064 N, 1895 N, 1682 N, 1713 N and 1354 N, respectively (mean = 1742 N; SD = 265 N). The failure loading values in the control group were: 1544 N, 1110 N, 1359 N, 1194 N and 1437 N, respectively (mean = 1329 N; SD = 177 N). The statistical analysis using the Mann-Whitney test showed that the test group presented maximum loading at a displacement of 10 mm, i.e. significantly greater than the failure loading of the control group (p = 0.047).
conclusionThe mechanical resistance of the test group was significantly greater than that of the control group.
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