Evidence map›Paper›PMID 42190055›Full record

ArticleJournal of the American Academy of Orthopaedic Surgeons. Global research & reviews2026

Total Knee Arthroplasty in Alkaptonuric Patient With Ochronotic Arthropathy.

Patryk Michalak, Piotr Buchcic, Marek Drobniewski, Andrzej Borowski

Abstract readCase Reports
In one paragraph

Article in Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

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

4 authors.

Patryk MichalakFrom the Clinic of Orthopedics and Pediatric Orthopedics, Medical University of Lodz, Lodz, Poland.ORCID 0009-0009-0370-0161
Piotr Buchcic
Marek Drobniewski
Andrzej Borowski

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWe present a patient with ochronotic arthropathy admitted to perform total knee arthroplasty (TKA) of the right knee. CASE PRESENTATION: The patient admitted to the orthopaedic department presented with pain in multiple joints, particularly affecting the knees, hips, and shoulders.

interventionPreoperatively, the patient underwent meticulous preparation for the procedure in consultation with the anesthesiology team. During the surgery, we observed black bones and menisci in the joint. OUTCOME: The patient felt a massive relief after TKA. At 1-month follow-up, the patient reported a satisfying range of motion of the knee.

conclusionsOur findings suggest that TKA may represent an effective therapeutic option for patients with alkaptonuria and degenerative joint disease because it may provide substantial pain relief and improve joint function.

Indexed as

AlkaptonuriaArthroplasty, Replacement, KneeOchronosisHumansKnee JointRange of Motion, Articular

Identifiers

PMID42190055
PMCPMC13209497

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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.