ArticleInternational orthopaedics2024
Subsidence after calcar-guided short stem total hip arthroplasty: five-year results of a prospective multicentre study.
Article in International orthopaedics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 6 citations in OpenAlex.
- Preoperative factors associated with alignment change from planned metaphyseal- to diaphyseal-dominant fixation in calcar-guided short-stem total hip arthroplasty.International orthopaedics · 2026Article
- Ten-year migration analysis of a cementless metaphyseal-anchored short femoral stem in total hip arthroplasty.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2026Article
- Femoral Stem Subsidence in Total Hip Arthroplasty: Comparison between Fixation Principles.Revista brasileira de ortopedia · 2026Article
- [Femoral Stem Subsidence in Total Hip Arthroplasty: Comparison between Fixation Principles].Revista brasileira de ortopedia · 2026Article
- Early-term clinical and radiographic outcomes of a new short cementless stem for primary total hip arthroplasty in young and active patients.Journal of experimental orthopaedics · 2026Article
- [Loss of Radial Height in Patients Undergoing Fixation with a Distal Volar Anatomical Locking Plate: A Retrospective Study in a Public Institution].Revista brasileira de ortopedia · 2025Article
- Loss of Radial Height in Patients Undergoing Fixation with a Distal Volar Anatomical Locking Plate: A Retrospective Study in a Public Institution.Revista brasileira de ortopedia · 2025Article
- Subsidence rate and long-term outcome of a calcar-guided short stem: a prospective 10-year follow-up study.Journal of orthopaedic surgery and research · 2025Article
- Subsidence and Clinical Impact of Obesity in Short-Stem Total Hip Arthroplasty Using a Collarless, Triple-Tapered, Cementless Stem.Journal of clinical medicine · 2024Article
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7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeCalcar-guided short-stem total hip arthroplasty (THA) has shown excellent clinical outcomes. However, the migration pattern of such prostheses and its effect on clinical outcomes are less known. Therefore, we assessed the five-year subsidence after calcar-guided short-stem THA and its implications on clinical outcomes, patient-related factors, and complications.
methodsIn this prospective multicentre study, we enrolled 213 patients (224 hips) who underwent calcar-guided short-stem THA mostly for degenerative hip diseases. We examined patients radiographically and clinically after six to 12 weeks, one year, two years, and five years. We evaluated subsidence using Einzel-Bild-Roentgen-Analyse femoral component analysis, assessed clinical outcomes, and systematically recorded all complications.
resultsOverall, 131 patients (133 hips) were available for final follow-up at a median of 60 months (range, 2 to 72 months). We found a mean subsidence of 0.63 ± 1.22 mm at three months, 1.03 ± 1.60 mm at one year, 1.21 ± 1.91 mm at two years, and 1.54 ± 1.97 mm at five years. Patient-related factors (sex, age, weight, and BMI) did not significantly impact subsidence at five years (P > 0.05). Additionally, the Harris hip score, pain, and satisfaction improved significantly at five years compared to pre-operative values (P < 0.0001). Lastly, five patients underwent revision.
conclusionCalcar-guided short-stems revealed the highest subsidence rate within the first three months after THA and stabilisation after one year through the final follow-up examination. Moreover, patient-related factors had no influence on subsidence. Finally, clinical scores and patient satisfaction remained high at five years.
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