ArticleJournal of clinical orthopaedics and trauma2021
Postoperative clinical outcome between lateral retraction and eversion of patella following simultaneous bilateral total knee arthroplasty.
Article in Journal of clinical orthopaedics and trauma, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 3 of them syntheses 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
3 citing papers in PubMed, 3 syntheses or guidelines pooled it, 4 citations in OpenAlex.
- Comparison of the clinical efficacy of patellar lateral retraction and patellar eversion in total knee arthroplasty: a systematic review and meta-analysis.BMC musculoskeletal disorders · 2025Pooled it
- Does intraoperative patellar eversion affect clinical and functional outcomes in patients undergoing primary total knee arthroplasty? An evidence-based meta-analysis.International orthopaedics · 2023Pooled it
- The Postoperative Effects of Patellar Eversion in Total Knee Arthroplasty: An Updated Systematic Review and Meta-Analysis.BioMed research international · 2022Pooled it
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
AIMS AND
objectiveAmong the various exposure technique used in total knee arthroplasty (TKA); the midline medial parapatellar knee approach is most commonly performed; which require mobilisation of patella for adequate surgical exposure. In this study, we compare the effect of patellar eversion with lateral retraction in simultaneous bilateral TKA to find out difference in postoperative clinical outcome between the two patellar mobilisation techniques.
methodsWe enrolled 41 patients who underwent bilateral simultaneous TKR (82 knees) from Nov 2016 to Dec 2018. During surgery patellar eversion was done in one knee and lateral retraction was done in other knee selecting them randomly to reduce the bias. During the follow up period achieving unassisted active straight leg raise (SLR), 90 flexion and complications were recorded. Measurement of Oxford knee society score (OKSS), American knee society score (AKSS), Visual Analogue Scale (VAS) score, and quadriceps strength (measured by handheld dynamometer) was done daily up to one week, 1 month, 3 months, 6 months, and 1 year postoperatively.
resultsThe time of achieving active SLR and 90∗ flexion postoperatively was quicker in the lateral retraction group with a statistically significant difference. VAS pain score at 1 week and 1 month along with quadriceps strength in 1-month had statistically significant favourable outcomes in the lateral retraction group. Throughout the follow up lateral retraction group had better Oxford and American knee score but the difference being statistically insignificant. No significant difference was found on the complication rate.
conclusionIn comparison to lateral retraction
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Registered trials
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