Evidence map›Paper›PMID 34930351›Full record

ArticleJournal of orthopaedic surgery and research2021

Comparison of intra-articular administration of adenosine, lidocaine and magnesium solution and tranexamic acid for alleviating postoperative inflammation and joint fibrosis in an experimental model of knee arthroplasty.

Jodie L Morris, Hayley L Letson, Peter McEwen, Erik Biros, Constantin Dlaska, Kaushik Hazratwala, Matthew Wilkinson, Geoffrey P Dobson

Open access · goldAbstract read
In one paragraph

Article in Journal of orthopaedic surgery and research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
5.4field-weighted citation impact, top 3% of its field
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

11 citing papers in PubMed, 29 citations in OpenAlex.

  1. Trial
  2. Article
  3. Pirfenidone Attenuates Fibrosis and Neovascularization in 3D Spheroid-Laden Hydrogel Culture.Journal of tissue engineering and regenerative medicine · 2026
    Article
  4. Delayed Surgery and Adenosine, Lidocaine, and MgThe American journal of sports medicine · 2025
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. [Surgical treatment of arthrofibrosis of the knee joint].Unfallchirurgie (Heidelberg, Germany) · 2022
    Review
  10. Article
  11. 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 at 3 institutions in 1 country.

Jodie L MorrisOrthopaedic Research Institute of Queensland, Townsville, QLD, Australia. jodie.morris1@jcu.edu.au.ORCID http://orcid.org/0000-0002-4795-5539
Hayley L LetsonHeart and Trauma Research Laboratory, Division of Tropical Health and Medicine, College of Medicine and Dentistry,, James Cook University, Townsville, QLD, 4811, Australia.
Peter McEwenOrthopaedic Research Institute of Queensland, Townsville, QLD, Australia.
Erik BirosHeart and Trauma Research Laboratory, Division of Tropical Health and Medicine, College of Medicine and Dentistry,, James Cook University, Townsville, QLD, 4811, Australia.
Constantin DlaskaOrthopaedic Research Institute of Queensland, Townsville, QLD, Australia.
Kaushik HazratwalaOrthopaedic Research Institute of Queensland, Townsville, QLD, Australia.
Matthew WilkinsonOrthopaedic Research Institute of Queensland, Townsville, QLD, Australia.
Geoffrey P DobsonHeart and Trauma Research Laboratory, Division of Tropical Health and Medicine, College of Medicine and Dentistry,, James Cook University, Townsville, QLD, 4811, Australia.
Sydney Orthopaedic Research Institute · AUJames Cook University · AUTownsville Hospital · AU

Funding

Australian Orthopaedic Association 2017-123Townsville Hospital and Health Services Study, Education, Research and Training Fund 2017-06
6 · The paper itself

Abstract

backgroundDysregulated inflammatory responses are implicated in the pathogenesis of joint stiffness and arthrofibrosis following total knee arthroplasty (TKA). The purpose of this study was to compare the effects of intra-articular (IA) administration of tranexamic acid (TXA), an anti-fibrinolytic commonly used in TKA, and ALM chondroprotective solution on postoperative inflammation and joint tissue healing in a rat model of knee implant surgery.

methodsMale Sprague-Dawley rats (n = 24) were randomly divided into TXA or ALM treatment groups. The right knee of each rat was implanted with titanium (femur) and polyethylene (tibia) implants. An IA bolus (0.1 ml) of TXA or ALM was administered after implantation and capsule closure, and before skin closure. Postoperative coagulopathy, haematology and systemic inflammatory changes were assessed. Inflammatory and fibrotic markers were assessed in joint tissue, 28 days after surgery.

resultsHaemostasis was comparable in animals treated with TXA or ALM after knee implant surgery. In contrast to ALM-treated animals, systemic inflammatory markers remained elevated at day 5 (IL-6, IL-12, IL-10, platelet count) and day 28 (IL-1β, IL-10) following surgery in TXA-treated animals. At day 28 following surgery, the extension range of motion of operated knees was 1.7-fold higher for ALM-treated animals compared to the TXA group. Key inflammatory mediators (NF-κB, IL-12, IL-2), immune cell infiltration (CD68

conclusionData suggest that IA administration of ALM is superior to TXA for reducing postoperative systemic and joint inflammation and promoting restoration of healthy joint tissue architecture in a rat model of TKA. Further studies are warranted to assess the clinical translational potential of ALM IA solution to improve patient outcomes following arthroplasty.

Indexed as

AdenosineAdministration, IntravenousAnimalsAntifibrinolytic AgentsArthroplasty, Replacement, KneeBlood Loss, SurgicalFibrosisInflammationInjections, Intra-ArticularInterleukin-10Interleukin-12LidocaineMagnesiumMaleModels, TheoreticalOsteoarthritis, KneeAdenosineAntifibrinolytic AgentsInterleukin-10Interleukin-12LidocaineMagnesiumTranexamic AcidArthrofibrosisInflammationStiffnessTotal knee arthroplastyTranexamic acid

Identifiers

PMID34930351
PMCPMC8686251
OpenAlexW4200031061

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.