Evidence map›Paper›PMID 26076080›Full record

SynthesisJournal of patient safety2019

A Systematic Review of Systemic Cobaltism After Wear or Corrosion of Chrome-Cobalt Hip Implants.

Bradford D Gessner, Thomas Steck, Erik Woelber, Stephen S Tower

Registry-linked trialOpen access · hybridAbstract readSystematic Review
In one paragraph

Synthesis in Journal of patient safety, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06792539 (A Multi-Center, Prospective, Non-Randomized, Pivotal Trial Evaluating the Safety and Effectiveness of the Polymotion Hip Resurfacing System), which is not on this map. Cited by 53 papers.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed
5.6field-weighted citation impact, top 4% 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.

NCT06792539 naactive not recruitingnot on this mapstarted 2025, after this paper: background citation

A Multi-Center, Prospective, Non-Randomized, Pivotal Trial Evaluating the Safety and Effectiveness of the Polymotion Hip Resurfacing System

TypeinterventionalSponsorJointMedica Inc.Ran2025 to 2028Enrolled238ConditionsOsteoarthritis of the Hip, Degenerative Joint Disease of Hip, Dysplasia, HipArmsPolymotion Hip Resurfacing (PHR) System
3 · Its place in the literature

Who cites it

53 citing papers in PubMed, 111 citations in OpenAlex.

  1. Trial
  2. Review
  3. Review
  4. 2050: An Arthroplasty Odyssey.Healthcare (Basel, Switzerland) · 2025
    Article
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  14. Review
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  20. Hyaluronic acid-British anti-Lewisite as a safer chelation therapy for the treatment of arthroplasty-related metallosis.Proceedings of the National Academy of Sciences of the United States of America · 2023
    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

4 authors at 1 institution in 1 country.

Bradford D Gessner
Thomas SteckUniversity of Washington School of Medicine, Seattle, WA.
Erik WoelberUniversity of Washington School of Medicine, Seattle, WA.
Stephen S TowerAlaska Arthroplasty Initiative, Anchorage, AK.
University of Washington · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesWe sought to synthesize data on systemic arthroprosthetic cobaltism, a recently described syndrome that results from wear or corrosion of chrome-cobalt hip components.

methodsWe conducted a systematic literature review to identify all reported cases of systemic arthroprosthetic cobaltism. To assess the epidemiologic link between blood cobalt levels (B[Co]), we developed a symptom scoring tool that evaluated 9 different symptom categories and a category of medical utilization.

resultsWe identified 25 patients reported between 2001 and 2014 with a substantial increase in case reports over the past 3 years. Symptoms were diverse and involved the hip (84%), cardiovascular system (60%), audiovestibular system (52%), peripheral motor-sensory system (48%), thyroid (48%), psychological functioning (32%), visual system (32%), and the hematological, oncological, or immune system (20%). The mean latency from implantation to presentation or revision was 41 months (range, 9-99 months). The mean B[Co] was 324 μg/L and 4 patients had levels less than 20 μg/L. The B[Co] but not blood chromium level was highly associated with a quantitative measure of overall symptom severity (r, 0.81; P < 0.001). Mean B[Co] and symptom scores were substantially higher in patients with revisions of failed ceramic-on-ceramic prostheses than those with primary metal-on-metal prostheses.

conclusionsSystemic arthroprosthetic cobaltism is an increasingly recognized complication of wear or corrosion of chrome-cobalt hip implants, may involve a large number of organ systems, and may occur with relatively low B[Co]. There is an urgent need to better define the overall scope of the problem and to develop screening and management strategies.

Indexed as

AdultAgedArthroplasty, Replacement, HipCobaltCorrosionFemaleHip ProsthesisHumansMaleMiddle AgedCobalt

Identifiers

PMID26076080
PMCPMC6553976
OpenAlexW607092438

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

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.