ArticleArchives of orthopaedic and trauma surgery2022
Varus malalignment of short femoral stem not associated with post-hip arthroplasty fracture.
Article in Archives of orthopaedic and trauma surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 17 citations in OpenAlex.
- Biomechanical effects of varus stem alignment on a cementless metadiaphyseal anchoring hip stem: a biomechanical investigation.Arthroplasty (London, England) · 2026Article
- Comparison of traditional and robotic size prediction methods and stem positioning outcomes following prediction discrepancies in hip arthroplasty.Journal of robotic surgery · 2025Article
- Does the use of shortened stems reduce early femoral complications in total hip arthroplasty using the direct anterior approach?Arthroplasty (London, England) · 2025Article
- Canal fill and radiographic comparison analysis of novel fully hydroxyapatite coated, variable triple-tapered geometry stems: one-year follow-up after direct anterior approach total hip arthroplasty.Archives of orthopaedic and trauma surgery · 2025Article
- Article
- Influence of stem length on sagittal alignment in total hip arthroplasty: a comparison between short and standard stems.BMC musculoskeletal disorders · 2025Article
- Impact of femoral stem alignment on periprosthetic bone density in THA: a study of the Avenir Complete stem.Archives of orthopaedic and trauma surgery · 2024Article
- Finite element analysis of mechanical stress in a cementless tapered-wedge short stem in the varus position.Journal of orthopaedic surgery and research · 2024Article
- Clinical and radiological outcomes of an uncemented metaphyseal short stem at minimum 10 years of follow-up: a prospective observational study.Archives of orthopaedic and trauma surgery · 2024Observational
- Retrospective clinical and X-ray-based outcome analysis of a short-stem hip arthroplasty taking into account the operative learning curve over 7 years in the 3-year control course.Archives of orthopaedic and trauma surgery · 2023Article
- Standard versus short stem cemented ExeterArthroplasty (London, England) · 2023Article
- The 'critical trochanter angle' does not show superiority over the CCD angle in predicting varus stem alignment in cementless short-stem total hip arthroplasty.Archives of orthopaedic and trauma surgery · 2023Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionPeriprosthetic femoral fractures are an increasingly common post-operative complication of total hip arthroplasty (THA). Though varus malalignment is known to increase fracture risk in standard-length femoral stems, varus malalignment is not as well studied in short stems. Therefore, the purpose of this study was to determine if varus malalignment contributes to early periprosthetic fracture risk in a cementless taper-wedged, short femoral stem. MATERIALS AND
methodsThis retrospective review included 366 consecutive patients (441 THAs) having undergone THA via anterior approach by a single surgeon between July 2014 and December 2016. All patients received the same short, cementless femoral stem. Femoral component angle was measured on 6-week post-THA weight-bearing radiographs, with malalignment defined as a femoral component angle exceeding 0° ± 3°. Periprosthetic femoral fracture and aseptic loosening occurring within 2 years post-THA were recorded.
resultsThe final data analysis included 426 hips with a mean follow-up time of 32.9 ± 10.2 months. Varus and neutral alignment occurred in 84 (19.6%) and 342 (79.9%) of stems, respectively. Three (0.7%) periprosthetic femoral fractures occurred within 2 years, all occurring in patients with neutrally aligned femoral stems. One (0.2%) stem failed due to aseptic loosening and was malaligned.
conclusionDespite nearly 20% of stems placed in varus alignment, three of the four early complications occurred in a neutrally aligned stem. Based on these results, forceful intraoperative realignment of a short femoral stem with good initial fixation may present an unnecessary increased risk of intraoperative fracture.
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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.