ArticleInternational orthopaedics2020
Distal femoral valgus cut angle in degenerative varus knees of an Arabic population.
Article in International orthopaedics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- Outcomes of cruciate-retaining total knee arthroplasty for osteoarthritis with severe varus deformity.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2023Article
- Increased lower limb length ratio in patients with patellar instability.Journal of orthopaedic surgery and research · 2023Article
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Authors and funding
1 author at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeThis study aimed to determine the natural distribution of the distal femoral valgus cut angle (VCA) among an Arabic population; the percentage of patients whose VCA fell within the range of 5-6°; and whether demographic variables, severity of the pre-operative varus, and morphological femoral parameters would correlate with the VCA. To our knowledge, VCA measurement of degenerative varus knees among an Arabic population has not been reported previously in the literature.
methodsA total of 492 knees (246 patients) were included. The VCA was measured on pre-operative hip-to-ankle radiographs according to a standard protocol. Patient characteristics and radiographic parameters were recorded.
resultsThe mean VCA was 6.03 ± 1.69°, with 230 knees (46.7%) falling within the (5-6°) range. The VCA significantly differed according to the patient's age (p = 0.02), sex (p = 0.009), height (p = 0.03), degree of varus (p < 0.001), hip offset (p = 0.013), and the presence of excessive lateral coronal bowing of the femur (p = 0.01). Among these, the degree of varus was the only significant factor on the multivariable regression analysis (p = 0.005).
conclusionThe mean VCA in our population was 6.03°; however, the wide distribution of the VCA in our patients does not support the use of a fixed value. The severity of the pre-operative varus seems to be an independent factor with a positive correlation to the VCA and may also provide a clue to the ideal VCA if measurement of this angle is not available.
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