Evidence map›Paper›PMID 39953453›Full record

ArticleBMC musculoskeletal disorders2025

Comparison between ligament balancing and measured resection in robot-assisted total knee arthroplasty: a 2-year follow up cohort study.

Muyang Yu, Xingdong Yang, Yiming Xu, Wei Zhu, Huiming Peng, Jin Lin, Xisheng Weng, Bin Feng

Abstract readComparative Study
In one paragraph

Article in BMC musculoskeletal disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
–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

5 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Augmented Reality-Guided Individualized Total Knee Arthroplasty: Initial Clinical Implementation and Results.Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2026
    Article
  4. Article
  5. Article
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

8 authors.

Muyang Yu *Department of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Xingdong Yang *Department of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Yiming XuDepartment of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Wei ZhuDepartment of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Huiming PengDepartment of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Jin LinDepartment of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Xisheng Weng *Department of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China. drwengxsh@163.com.
Bin Feng *Department of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China. fengbin@pumch.cn.

Funding

Beijing Natural Science Foundation L232006Chinese Academy of Medical Sciences (CAMS) Innovation Fund for Medical Sciences 2022-I2M-C&T-B-031National High Level Hospital Clinical Research Funding 2022-PUMCH-C-036
6 · The paper itself

Abstract

purposeThe two most commonly used techniques for gap balancing in robot-assisted total knee arthroplasty (RA-TKA) are measured resection (MR) and ligament balancing (LB). There are limited studies have reported differences in intraoperative and postoperative outcomes between MR-TKA and LB-TKA in RA-TKA. This study aims to compare the intraoperative and postoperative outcomes of primary RA-TKA between LB and MR techniques.

methodsThis cohort study utilized prospectively collected data from a single center, spanning from January 2021 to December 2022. We compared the intraoperative procedures and postoperative clinical and imaging results between two groups.

resultsThe LB group had a thinner distal femur cut and a lower usage of thicker polyethylene. Additionally, the LB group exhibited a higher mean femoral component external rotation and greater tibial posterior slope. The rate of soft tissue release and bone recut was lower in the LB group, as was the mean C-reactive protein level.

conclusionIn RA-TKA, LB offers advantages in soft tissue protection and bone mass preservation. However, no differences were observed in clinical and radiographic outcomes after a 2-year follow-up.

Indexed as

Arthroplasty, Replacement, KneeKnee JointLigaments, ArticularOsteoarthritis, KneeRobotic Surgical ProceduresAgedCohort StudiesFemaleFemurFollow-Up StudiesHumansMaleMiddle AgedProspective StudiesTreatment OutcomeClinical outcomeFunctional alignmentLigament balancingMeasured resectionRobot-assisted TKA

Identifiers

PMID39953453
PMCPMC11827435

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

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.