Evidence map›Paper›PMID 30211379›Full record

ArticleJournal of the American Academy of Orthopaedic Surgeons. Global research & reviews2018

Clinical and Functional Outcomes: Primary Constrained Condylar Knee Arthroplasty Compared With Posterior Stabilized Knee Arthroplasty.

Ken Lee Puah, Hwei Chi Chong, Leon Siang Shen Foo, Ngai-Nung Lo, Seng-Jin Yeo

Open access · goldAbstract read
In one paragraph

Article in Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews, 2018. 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
1.4field-weighted citation impact, top 18% 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, 18 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Good to excellent long-term survival of a single-design condylar constrained knee arthroplasty for primary and revision surgery.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022
    Observational
  6. Biomechanics and Outcomes of Modern Tibial Polyethylene Inserts.Current reviews in musculoskeletal medicine · 2022
    Review
  7. Article
  8. Satisfactory mid-term outcomes of condylar-constrained knee implants in primary total knee arthroplasty: clinical and radiological follow-up.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2020
    Article
  9. Article
  10. Review
  11. Review
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

5 authors at 1 institution in 1 country.

Ken Lee PuahDepartment of Orthopaedic Surgery, Singapore General Hospital, Singapore.
Hwei Chi ChongDepartment of Orthopaedic Surgery, Singapore General Hospital, Singapore.
Leon Siang Shen FooDepartment of Orthopaedic Surgery, Singapore General Hospital, Singapore.
Ngai-Nung LoDepartment of Orthopaedic Surgery, Singapore General Hospital, Singapore.
Seng-Jin YeoDepartment of Orthopaedic Surgery, Singapore General Hospital, Singapore.
Singapore General Hospital · SG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionConstrained condylar knee (CCK) prostheses are commonly used in difficult primary total knee arthroplasty and revision total knee arthroplasty. We postulate that the use of CCK prostheses in primary knee arthroplasty may result in decreased range of motion but with better patient-reported functional scores compared with primary posterior stabilized (PS) knee prostheses because of increased varus and valgus stability from increased constraint.

methodsWe conducted a case-control study using prospectively collected data on functional outcome scores and range of motion preoperatively and at 6 months and at 2 years. Thirty-eight patients with primary CCK arthroplasty were matched with 38 patients with primary PS knee arthroplasty treated by a single surgeon. Institutional review board approval was obtained. Analysis was done using the independent

resultsTotal 76 patients with 61 (80.3%) female patients, 30 (39.5%) left knees, and 9 (11.8%) valgus knees. There was no significant difference in preoperative age (CCK arthroplasty 70.7 ± 6.0 years versus PS knee arthroplasty 68.5 ± 5.2 years;

conclusionThe use of CCK prostheses in primary knee arthroplasty gives similar clinical and functional outcomes at 2 years as those of PS knee prostheses, despite increased constraint.

Identifiers

PMID30211379
PMCPMC6132316
OpenAlexW2910889491

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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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.