Evidence map›Paper›PMID 35800126›Full record

ArticleHip & pelvis2022

Dual-mobility versus Fixed-bearing in Primary Total Hip Arthroplasty: Outcome Comparison.

Vivek Singh, Jeremy Loloi, William Macaulay, Matthew S Hepinstall, Ran Schwarzkopf, Vinay K Aggarwal

Abstract read
In one paragraph

Article in Hip & pelvis, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 2 pooled it
–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

9 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
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  6. Review
  7. Review
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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.

Vivek SinghDepartment of Orthopedic Surgery, NYU Langone Health, New York, NY, USA.
Jeremy LoloiDepartment of Orthopedic Surgery, NYU Langone Health, New York, NY, USA.
William MacaulayDepartment of Orthopedic Surgery, NYU Langone Health, New York, NY, USA.
Matthew S HepinstallDepartment of Orthopedic Surgery, NYU Langone Health, New York, NY, USA.
Ran SchwarzkopfDepartment of Orthopedic Surgery, NYU Langone Health, New York, NY, USA.
Vinay K AggarwalDepartment of Orthopedic Surgery, NYU Langone Health, New York, NY, USA.ORCID https://orcid.org/0000-0001-9349-6487

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: Use of dual mobility (DM) articulations can reduce the risk of instability in both primary and revision total hip arthroplasty (THA). Knowledge regarding the impact of this design on patient-reported outcome measures (PROMs) is limited. This study aims to compare clinical outcomes between DM and fixed bearing (FB) prostheses following primary THA. Materials and Methods: All patients who underwent primary THA between 2011-2021 were reviewed retrospectively. Patients were separated into three cohorts: FB vs monoblock-D vs modular-DM. An evaluation of PROMs including HOOS, JR, and FJS-12, as well as discharge-disposition, 90-day readmissions, and revisions rates was performed. Propensity-score matching was performed to limit significant demographic differences, while ANOVA and chi-squared test were used for comparison of outcomes. Results: Of the 15,184 patients identified, 14,652 patients (96.5%) had a FB, 185 patients (1.2%) had a monoblock-DM, and 347 patients (2.3%) had a modular-DM prosthesis. After propensity-score matching, a total of 447 patients were matched comparison. There was no statistical difference in the 90-day readmission ( Conclusion: DM bearings yield PROMs similar to those of FB implants in patients undergoing primary THA. Although DM implants are utilized more often in patients at higher-risk for instability, we suggest that similar patient satisfaction may be attained while achieving similar dislocation rates.

Indexed as

Dual mobilityFixed bearingOutcomesPatient reported outcome scoresTotal hip arthroplasty

Identifiers

PMID35800126
PMCPMC9204238

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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.