ArticleJournal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology2019
Mid-term results of a new-generation calcar-guided short stem in THA: clinical and radiological 5-year follow-up of 216 cases.
Article in Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Preoperative factors associated with alignment change from planned metaphyseal- to diaphyseal-dominant fixation in calcar-guided short-stem total hip arthroplasty.International orthopaedics · 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
- Progression of cortical hypertrophy, subsidence and thigh pain after short curved fitmore femoral hip stem over 10 years.Journal of orthopaedic surgery and research · 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
- Evaluating the learning curve and outcomes of a new rectangular femoral stem in total hip arthroplasty: A comparative study.Journal of orthopaedics · 2025Article
- Same same but different: Introduction of a classification system in calcar-guided short-stem total hip arthroplasty.Hip international : the journal of clinical and experimental research on hip pathology and therapy · 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
- No differences in clinical and radiographic outcomes between standard offset and high offset short cementless stems.Archives of orthopaedic and trauma surgery · 2024Article
- Calcar-guided short-stem total hip arthroplasty in fractures of the femoral neck: a prospective observational study of 68 hips.Archives of orthopaedic and trauma surgery · 2024Observational
- Short stem hip arthroplasty with the optimys prosthesis is a safe and effective option for obese patients: a mid-term follow-up multicenter study.Archives of orthopaedic and trauma surgery · 2024Observational
- Novel radiologic indices for stem type decision in total hip arthroplasty in patients with metaphyseo-diaphyseal mismatched Dorr A proximal femur.BMC musculoskeletal disorders · 2024Article
- Subsidence after calcar-guided short stem total hip arthroplasty: five-year results of a prospective multicentre study.International orthopaedics · 2024Article
- Relationship between Stress Shielding and Optimal Femoral Canal Contact Regions for Short, Tapered-Wedge Stem Analyzed by 2D and 3D Systems in Total Hip Arthroplasty.Journal of clinical medicine · 2023Article
- Survivorship, complications and patient-reported outcomes in calcar-guided short-stem THA: prospective mid-term multicenter data of the first 879 hips.Archives of orthopaedic and trauma surgery · 2023Article
- Femoral antetorsion after calcar-guided short-stem total hip arthroplasty: A cadaver study.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2022Article
- Conversion of failed internal fixation in proximal femur fractures using calcar-guided short-stem total hip arthroplasty.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2022Article
- Calcar-guided short-stem total hip arthroplasty: Will it be the future standard? Review and perspectives.World journal of orthopedics · 2021Review
- Primary stability of calcar-guided short-stem total hip arthroplasty in the treatment of osteonecrosis of the femoral head: migration analysis using EBRA-FCA.Archives of orthopaedic and trauma surgery · 2020Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn recent years, a variety of short stems have been introduced. To date, mid- and long-term results of calcar-guided short-stem designs have been rarely available. MATERIALS AND
methodsTwo hundred and sixteen calcar-guided short stems were included in combination with a cementless cup in a prospective study. Patients were allowed full weight-bearing on the first day postoperatively. Harris hip score (HHS) as well as pain and satisfaction on visual analogue scale (VAS) were assessed during a median follow-up of 61.7 months. Standardised radiographs were analysed at predefined time points regarding radiological alterations such as bone resorption and remodelling, radiolucency, osteolysis and cortical hypertrophy using modified Gruen zones.
resultsAt mid-term follow-up, no revision surgery of the stem had to be performed in the whole collective. At 5 years, HHS was 97.8 (SD 4.7), satisfaction on VAS was 9.7 (SD 0.7), rest pain on VAS was 0.1 (SD 0.5), and load pain on VAS was 0.6 (SD 1.2). Compared to the 2-year results, femoral bone resorption increased significantly at the 5-year follow-up (3.9% versus 42.3%). Rate of femoral cortical hypertrophy remained stable, occurring in a total of 9 hips (4.5%). At the 5-year follow-up, 2 stems (1.0%) showed non-progressive radiolucent lines with a maximum width of 2 mm. Signs of osteolysis were not observed. Compared to the 2-year follow-up, no further subsidence was observed.
conclusionsThe rate of stem revision (0%) at the mid-term follow-up was remarkable and indicates the principle of using a calcar-guided short stem as being a safe procedure. However, signs of bone-remodelling, indicating some amount of stress-shielding, must be acknowledged at 5 years depending on stem alignment and type of anchorage. LEVEL OF EVIDENCE: IV, Prospective observational study Trial registration German Clinical Trials Register, DRKS00012634, 07/07/2017 (retrospectively registered).
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