Evidence map›Paper›PMID 40895666›Full record

ArticleCureus2025

Comparison of Clinical Outcomes and Soft Tissue Laxity Between Robot-Assisted Functionally and Mechanically Aligned Total Knee Arthroplasty.

Yohei Naito, Shine Tone, Gai Kobayashi, Masahiro Hasegawa

Abstract read
In one paragraph

Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Yohei NaitoDepartment of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, JPN.
Shine ToneDepartment of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, JPN.
Gai KobayashiDepartment of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, JPN.
Masahiro HasegawaDepartment of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, JPN.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose This study aimed to compare postoperative clinical outcomes and soft tissue laxity between functional alignment (FA) and mechanical alignment (MA) in robot-assisted total knee arthroplasty (TKA). Methods Thirty-one FA and 31 MA TKAs performed using a robotic system were included in this retrospective study. Range of motion (ROM), the 2011 Knee Society Score (2011 KSS), and the Forgotten Joint Score-12 (FJS-12) at 6 weeks, 3 months, and 6 months after TKA, respectively, were compared between the two groups. Intraoperative laxities were compared between the two groups. Results Although no significant differences were noted in postoperative ROM and the 2011 KSS, the FJS-12 scores at 3 and 6 months after TKA were significantly higher in the FA group (64.4 and 68.4) than those in the MA group (51.9 and 57.0) (p<0.05 and p<0.05). At 90° flexion, the medial laxity of 1.1 mm in the FA group was significantly lower than that of 2.3 mm in the MA group (p < 0.001). Conclusion FA TKA was superior to MA TKA in achieving better FJS-12 and greater medial stability at 90° flexion.

Indexed as

clinical outcomesfunctional alignmentlaxityrosatotal knee arthroplasty

Identifiers

PMID40895666
PMCPMC12391744

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.