Evidence map›Paper›PMID 42174037›Full record

ArticleScientific reports2026

Association between body composition, knee synovial effusion, and serum glutamate in middle-aged women with knee osteoarthritis: a cross-sectional study.

Kyota Ishibashi, Eiji Sasaki, Ryo Tomita, Hikaru Kristi Ishibashi, Yukiko Sakamoto, Yuka Kimura, Eiichi Tsuda, Mizuri Ishida, Yasuyuki Ishibashi

Abstract read
In one paragraph

Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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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

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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

9 authors.

Kyota IshibashiDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan. kyota.i@hirosaki-u.ac.jp.
Eiji SasakiDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan.
Ryo TomitaDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan.
Hikaru Kristi IshibashiDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan.
Yukiko SakamotoDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan.
Yuka KimuraDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan.
Eiichi TsudaDepartment of Rehabilitation Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
Mizuri IshidaHirosaki University, Research Institute of Health Innovation, Hirosaki, Japan.
Yasuyuki IshibashiDepartment of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562, Aomori, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This cross-sectional study investigated the association between knee synovial effusion, body composition, and serum glutamate levels in middle-aged women with knee osteoarthritis. Female participants (n = 241) from a health promotion project were classified into control (n = 165), early (n = 34), and definitive (n = 42) knee osteoarthritis groups. Synovial effusion was assessed based on the ultrasonographic effusion area, body composition via bioelectrical impedance, and serum glutamate from fasting blood samples. Muscle mass was higher in the definitive group than in the control (p = 0.009). Fat mass increased from normal to definitive, showing a significant difference between the control and definitive groups (p = 0.047). The effusion area correlated with muscle mass (r = -0.122, p < 0.05) and glutamate levels (r = 0.154, p < 0.001). Logistic regression identified fat mass as an associated factor of early (OR = 1.089, p = 0.004) and definitive (odds ratio = 1.063, p = 0.005) knee osteoarthritis, suggesting a potential association between adiposity and knee osteoarthritis. A weak correlation was observed between serum glutamate and synovial effusion. These findings underscore the importance of body composition optimization as a potential approach in the context of knee osteoarthritis management.

Indexed as

Body CompositionGlutamic AcidKnee JointOsteoarthritis, KneeSynovial FluidCross-Sectional StudiesFemaleHumansMiddle AgedGlutamic AcidBody compositionBody mass indexGlutamateKnee osteoarthritisSynovial effusion

Identifiers

PMID42174037
PMCPMC13402673

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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.