ArticleMedical science monitor : international medical journal of experimental and clinical research2019
Lesser Trochanteric Fragments in Unstable Pertrochanteric Hip Fractures: A Morphological Study Using Three-Dimensional Computed Tomography (3-D CT) Reconstruction.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 29 citations in OpenAlex.
- Muscle volume, CT attenuation, and bone mineral density in relation to trochanteric fragment formation in older women with intertrochanteric femur fractures.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2026Article
- [Anteromedial cortical support reduction in treatment of trochanteric femur fractures: a ten-year reappraisal].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2025Review
- Quantitative Analysis of Spatial Distribution of Medial Fracture Lines in Intertrochanteric Fractures.Applied bionics and biomechanics · 2025Article
- [Standard radiographic images in cephalomedullary nailing fixation for intertrochanteric femoral fractures].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2024Article
- [Influence of anterior fracture line on anterior cortical reduction loss after cephalomedullary nail fixation in intertrochanteric fractures].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2024Article
- Six-Part Classification of Femoral Intertrochanteric Fractures: A Classification Method to Improve the Diagnosis Rate of Unstable Fractures.Orthopaedic surgery · 2024Article
- Article
- The Impact of Banana-Shaped Fragments on Trochanteric Hip Fractures Treated by PFNA.Indian journal of orthopaedics · 2023Article
- Insufficient proximal medullary filling of cephalomedullary nails in intertrochanteric femur fractures predicts excessive postoperative sliding: a case-control study.BMC musculoskeletal disorders · 2023Article
- Accurate reduction of medial arch fracture fragments in intertrochanteric fractures: A novel technical note.Frontiers in surgery · 2023Article
- Morphological analysis of posterior-medial intertrochanteric fracture patterns using fracture-mapping technique.Frontiers in bioengineering and biotechnology · 2023Article
- A sophisticated fracture classification system of the proximal femur trochanteric region (AO/OTA-31A) based on 3D-CT images.Frontiers in surgery · 2022Article
- [Morphological analysis of coronal femoral intertrochanteric fracture and its effect on reduction and internal fixation].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2021Article
- Selection of internal fixation method for femoral intertrochanteric fractures using a finite element method.World journal of clinical cases · 2021Article
- Reverse wedge effect following intramedullary nail fixation of trochanteric fracture, what does it imply?BMC musculoskeletal disorders · 2021Article
- Strategies for managing the destruction of calcar femorale.BMC musculoskeletal disorders · 2021Review
- Nonanatomical Reduction of Femoral Neck Fractures in Young Patients (≤65 Years Old) with Internal Fixation Using Three Parallel Cannulated Screws.BioMed research international · 2021Article
- [Concept evolution and research progress of stability reconstruction for intertrochanteric fracture].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2019Article
- [Research progress on anteromedial cortical positive support reduction in treatment of intertrochanteric fracture].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2019Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND The lesser trochanter (LT) posterior cortical extension (LTPE) fragment is important for joint stability during reconstruction in unstable pertrochanteric hip fractures. This study aimed to investigate the morphological characteristics of the LT fragments using three-dimensional computed tomography (3-D CT) reconstruction and to compare clinical outcomes in different subgroups of 31A2 fractures. MATERIAL AND METHODS A retrospective study included CT images of 58 cases of 31A2 type unstable pertrochanteric fractures, using the Arbeitsgemeinschaft für Osteosynthesefragen and Orthopedic Trauma Association (AO/OTA) classification. After 3-D CT reconstruction, all the displaced fragments were reduced and the morphologic parameters of the LT fragments were measured. RESULTS At the mid-level of the LT, the mean cortical extension of the LT fragment was 33.5 mm in the posterior wall (83%), 19.0 mm in the medial wall (53%). The mean distal cortical extension from the lower edge of the LT was 13.0 mm. The LT fragment occupied 38% of the whole cortical circumference. Comparison of the subgroups showed that the LT fragment of A2.3 had a larger cortical extension in the posterior, medial, and distal cortex. The mean fracture collapse was 4.7 mm in A2.2 fractures and 5.4 mm in A2.3 fractures (p=0.311). Despite the increased size of the LT fragment in subtype A2.3 fracture compared with subtype A2.2 fracture, this did not influence the clinical outcome. CONCLUSIONS The 3-D morphology of the LT fragment from CT imaging provided a better understanding of the characteristics of subgroups of unstable pertrochanteric fractures, which may improve and guide implant choice.
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