Evidence map›Paper›PMID 31113411›Full record

ArticleBMC musculoskeletal disorders2019

A single centre study of 41 cases on the use of porous tantalum metal implants in acetabular revision surgery.

Christoph Theil, Tom Schmidt-Braekling, Georg Gosheger, Burkhard Moellenbeck, Jan Schwarze, Ralf Dieckmann

Open access · goldAbstract read
In one paragraph

Article in BMC musculoskeletal disorders, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 14% 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

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.

  1. Proximal femoral replacement for non-neoplastic conditions: a systematic review on current outcomes.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2022
    Pooled it
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  4. Article
  5. Article
  6. Observational
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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

6 authors at 1 institution in 1 country.

Christoph TheilDepartment of Orthopaedics and Tumour Orthopaedics, Muenster University Hospital, Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany. christoph.theil@ukmuenster.de.
Tom Schmidt-BraeklingDepartment of Orthopaedics and Tumour Orthopaedics, Muenster University Hospital, Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany.
Georg GoshegerDepartment of Orthopaedics and Tumour Orthopaedics, Muenster University Hospital, Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany.
Burkhard MoellenbeckDepartment of Orthopaedics and Tumour Orthopaedics, Muenster University Hospital, Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany.
Jan SchwarzeDepartment of Orthopaedics and Tumour Orthopaedics, Muenster University Hospital, Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany.
Ralf DieckmannDepartment of Orthopaedics and Tumour Orthopaedics, Muenster University Hospital, Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany.
University Hospital Münster · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis study aims at investigating cup survival of porous tantalum revision cups and identifies risk factors for failure.

methodsWe retrospectively reviewed 41 patients treated between 2010 and 2012. Main indications were aseptic loosening in 83% and two-stage exchange after periprosthetic joint infection in 17% of cases. Mean follow-up period was 72 months. Femoral megaprostheses were used in 13% of cases. Most defects were classified as Paprosky 3b (29%). Function was assessed using the Harris Hip score.

resultsAseptic cup survivorship was 80% at 104 months (95% Confidence Interval 67.4-92.4). Overall implant survival was 73%. Major bone loss defects (Paprosky types 2c to 3b) were associated with a significantly higher rate of failure than minor defects (P = 0.002). There were eight cases of aseptic loosening (19.5%) and two of infection (4.9%). Previous surgeries, indication for acetabular revision, patient-related risk factors and use of megaprostheses did not significantly influence implant survival. The Harris Hip Score improved from a median of 40 (Interquartile range 31-45) to 82 (interquartile range 65-88) postoperative (P < 0.0001).

conclusionsIn summary, the use of porous tantalum metal implants in acetabular revision surgery achieves good to excellent short- term and mid-term functional results and an acceptable complication rate relative to the extent of defect and previous surgery. However, one should be aware of potential limitations of the implants in addressing large defects and discontinuity.

Indexed as

Prosthesis FailureAcetabulumAdultAgedAged, 80 and overArthroplasty, Replacement, HipBone TransplantationFollow-Up StudiesHip ProsthesisHumansMiddle AgedPorosityProsthesis-Related InfectionsReoperationRetrospective StudiesRisk FactorsTantalumAcetabular revisionMegaprosthesesPeriprosthetic infectionRevision arthroplastyTwo-stage revision

Identifiers

PMID31113411
PMCPMC6530026
OpenAlexW2946904602

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LicenceCC BY
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Registered trials

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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.