Observational studyInternational orthopaedics2022
Double level knee osteotomy using patient-specific cutting guides is accurate and provides satisfactory clinical results: a prospective analysis of a cohort of twenty-two continuous patients.
Observational study in International orthopaedics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
18 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Consistent indications, targets and techniques for double-level osteotomy of the knee: a systematic review.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022Pooled it
- Impact of distal femoral morphology on short-term outcomes following high tibial osteotomy (HTO) in varus knees.Archives of orthopaedic and trauma surgery · 2026Review
- Indications, Technique, and Outcomes of Patient Specific Instrumentation for Osteotomy About the Knee.Current reviews in musculoskeletal medicine · 2025Review
- Digitized Precision Corrective Osteotomy for Treating Knee Joint Deformities: Current Evidence and Future Perspectives.Orthopaedic surgery · 2025Review
- Double-level knee valgization osteotomy has high survivorship and a low complication rate in a single-center series of 58 cases with a mean clinical follow-up of 10 years.Knee surgery & related research · 2025Article
- The top 100 most-cited knee osteotomy publications.Journal of experimental orthopaedics · 2025Article
- Preoperative Joint Line Convergence Angle as an Indicator of Clinical Outcomes and Accuracy of Alignment Correction After Double-Level Osteotomy.Orthopaedic journal of sports medicine · 2024Article
- Morphological analysis of the distal femur as a surgical reference in biplane distal femoral osteotomy.Scientific reports · 2024Article
- A novel geometrical planning method to restore knee joint obliquity in double-level osteotomies.Archives of orthopaedic and trauma surgery · 2023Article
- Assessment of return to sport and functional outcomes following distal femoral, double level and high tibial osteotomies for active patients with symptomatic varus malalignment.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Article
- A new three-dimensional patient-specific cutting guide for opening wedge high tibial osteotomy based on ct scan: preliminary in vitro results.Journal of experimental orthopaedics · 2023Article
- No benefits of knee osteotomy patient's specific instrumentation in experienced surgeon hands.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Article
- Double-level knee osteotomy accurately corrects lower limb deformity and provides satisfactory functional outcomes in bifocal (femur and tibia) valgus malaligned knees.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Article
- Potential anatomic risk factors resulting oversized postoperative medial proximal tibial angle after double level osteotomy.BMC musculoskeletal disorders · 2022Article
- Anterior Closing-Wedge High Tibial Osteotomy Using Patient-Specific Cutting Guide in Chronic Anterior Cruciate Ligament-Deficient Knees.Arthroscopy techniques · 2022Article
- Analysis of bone union after medial closing wedge distal femoral osteotomy using a new radiographic scoring system.Archives of orthopaedic and trauma surgery · 2022Article
- Minimally Invasive Double Level Osteotomy in Severe Knee Varus: Pearls and Pitfalls.Arthroscopy techniques · 2022Article
- Surgical planning of osteotomies around the knee differs between preoperative standing and supine radiographs in nearly half of cases.BMC musculoskeletal disorders · 2022Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeDouble level osteotomy (DLO) (femoral and tibial) is a technically demanding procedure for which pre-operative planning accuracy and intraoperative correction are key factors. The aim of this study was to assess the accuracy of the achieved correction using patient-specific cutting guides (PSCGs) compared to the planned correction, its ability to maintain joint line obliquity (JLO), and to evaluate clinical outcomes and level of patient satisfaction at a follow-up of two years.
methodsA single-centre, prospective observational study including 22 patients who underwent DLO by PSCGs between 2014 and 2018 was performed. Post-operative alignment was evaluated and compared with the target angular values to define the accuracy of the correction for the hip-knee-ankle angle (ΔHKA), medial proximal tibial angle (ΔMPTA), lateral distal femoral angle (ΔLDFA), and posterior proximal tibial angle (ΔPPTA). Pre- and post-operative JLO was also evaluated. At two year follow-up, changes in the KOOS sub-scores and patient satisfaction were recorded. The Mann-Whitney U test with 95% confidence interval (95% CI) was used to evaluate the differences between two variables; the paired Student's t test was used to estimate evolution of functional outcomes.
resultsThe mean ΔHKA was 1.3 ± 0.5°; the mean ΔMPTA was 0.98 ± 0.3°; the mean ΔLDFA was 0.94 ± 0.2°; ΔPPTA was 0.45 ± 0.4°. The orientation of the joint line was preserved with a mean difference in the JLO of 0.4 ± 0.2. At last follow-up, it was recorded a significant improvement in all KOOS scores, and 19 patients were enthusiastic, two satisfied, and one moderately satisfied.
conclusionPerforming a DLO using PSCGs produces an accurate correction, without modification of the joint line orientation and with good functional outcomes at two year follow-up.
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Registered trials
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