ArticleArchives of orthopaedic and trauma surgery2024
Coronal plane deformity in total knee arthroplasty is associated with increased operative time and disposition to skilled nursing facility.
Article in Archives of orthopaedic and trauma surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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.
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Who cites it
1 citing paper in PubMed.
- The impact of soft tissue release on radiological and clinical outcomes in functional alignment robot-assisted total knee arthroplasty.Journal of orthopaedic surgery and research · 2025Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeStudies demonstrate similar long-term Total Knee Arthroplasty (TKA) outcomes in patients with significant versus minimal preoperative coronal plane deformity. Limited short-term outcomes data, which determine costs of care, exist.
methodsWe retrospectively explored the impact of preoperative coronal plane deformity on operative time, length of stay (LOS), and discharge to skilled nursing facility (SNF) in TKA. A total of 3,964 patients undergoing unilateral primary TKA at our institution from 2014 to 2019 were included (1,158 > 10˚ deformity: mean age 67.2 years, 47% male; 2,806 < 10˚ deformity: mean age 67 years, 37.4% male). The degree of coronal plane deformity (mechanical axis deviation on preoperative radiographs) was recorded. Patients with no knee radiographs ≤ 3 years preoperatively were excluded. Statistical analysis included Chi-Square tests, Student's t-tests, Mann-Whitney U tests, and uni- and multivariable linear and logistic regression analyses.
resultsThe > 10˚ deformity cohort had a longer time from procedure start to finish (113.56 vs. 110.68 min; p = 0.020), greater deviation from surgeon mean operative time (+ 6.19 vs. + 0.69 min; p < 0.001), and higher proportion of cases requiring > 15 (26.8% vs. 22%;p = 0.001) and > 30 (12.3% vs. 7.8%;p < 0.001) additional minutes over their scheduled times. LOS was similar between cohorts (median 2 days, IQR 1-3). The deformity cohort more likely discharged to SNF (19.9% vs. 15.8%;p = 0.002). For every 1˚ increase in coronal plane deformity, operative time increased by 0.566 min (p = 0.000). The odds of SNF discharge increased with increasing coronal plane deformity (OR 1.029 [1.009,1.050]; p = 0.004).
conclusionGreater preoperative coronal deformity is associated with increased operative time and odds of discharge to SNF in TKA.
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