ArticleSurgical and radiologic anatomy : SRA2016
The importance of intramedullary hip nail positioning during implantation for stable pertrochanteric fractures: biomechanical analysis.
Article in Surgical and radiologic anatomy : SRA, 2016. 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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13 citing papers in PubMed, 15 citations in OpenAlex.
- Optimal position of intramedullary nails in the femoral head following spiral blade resection for revision of intertrochanteric fractures: a biomechanical analysis.Journal of orthopaedic surgery and research · 2026Article
- Changes in PFNA nail position do not influence bone healing and femoral head varus in patients with stable intertrochanteric fractures: a comprehensive clinical and biomechanical study.European journal of medical research · 2026Article
- Stress-guided determination of screw trajectory for C1 lateral mass fixation: A finite element approach.Journal of orthopaedics · 2025Article
- Nonanatomical reduction of femoral neck fractures in young patients with different Pauwels classifications: a retrospective study and finite element analysis.BMC musculoskeletal disorders · 2024Article
- Extending the intermedullary nail will not reduce the potential risk of femoral head varus in PFNA patients biomechanically: a clinical review and corresponding numerical simulation.BMC musculoskeletal disorders · 2024Review
- Bio-mechanical effects of femoral neck system versus cannulated screws on treating young patients with Pauwels type III femoral neck fractures: a finite element analysis.BMC musculoskeletal disorders · 2024Article
- Finite element analysis of the effect of residual lateral wall volume on postoperative stability in intertrochanteric fractures.Journal of orthopaedic surgery and research · 2024Article
- Finite element analysis of basicervical femoral neck fracture treated with proximal femoral bionic nail.Journal of orthopaedic surgery and research · 2023Article
- Safe range of femoral neck system insertion and the risk of perforation.Journal of orthopaedic surgery and research · 2023Article
- A biomechanical investigation of a novel intramedullary nail used to salvage failed internal fixations in intertrochanteric fractures.Journal of orthopaedic surgery and research · 2023Article
- A biomechanical comparison of three fixation methods for unstable femoral neck fractures with medial calcar defect.Journal of orthopaedic surgery and research · 2023Article
- Effect of femoral head necrosis cystic area on femoral head collapse and stress distribution in femoral head: A clinical and finite element study.Open medicine (Warsaw, Poland) · 2022Article
- Impact of tip-apex distance and femoral head lag screw position on treatment outcomes of unstable intertrochanteric fractures using cephalomedullary nails.The Journal of international medical research · 2018Article
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Authors and funding
8 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeProximal femoral fractures are among the most commonly sustained fractures. The current treatment of stable proximal femoral fractures located in trochanteric region primarily involves the use of two systems: extramedullary dynamic hip screws and intramedullary hip nails. Given that these fractures are mainly found in the elderly population, the necessity of a repeat, due to failure of the first, may jeopardize the patient's life. Decisive factors contributing to the healing of a fracture (or the failure thereof) include fracture pattern, technical implementation of the operation (i.e., position of the implant), implant's properties and its changes in relation to the surrounding bone tissue during loading. Each screw insertion variant results in damage to various load-bearing bone structures, which can be expected to influence healing quality and stability of newly formed bone.
methodWith the aid of a numerical model and finite element methods, the authors analyzed several different positions of IMHN/PFH-nails in the proximal femur, with the objective of determining positions with an increased risk of failure. RESULTS AND
conclusionIn model situations, it has been shown that in stable fractures results do not depend on absolutely precise positioning and small deflections in the nails and neck screws positions do not significantly increase the risk of failure for the entire fixation. Damage to load-bearing structures relative to various implant placements does not impact the resultant overall fixation stability. Therefore, it is not necessary to re-introduce implants in the ideal position, which can lead to reduced patient radiation doses during surgery.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.