Evidence map›Paper›PMID 33537847›Full record

ArticleArchives of orthopaedic and trauma surgery2021

Heterotopic ossification in primary total hip arthroplasty using the posterolateral compared to the direct lateral approach.

J H J van Erp, J R A Massier, S Truijen, J E J Bekkers, T E Snijders, A de Gast

Open access · hybridAbstract read
In one paragraph

Article in Archives of orthopaedic and trauma surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 2 pooled it
1.9field-weighted citation impact, top 15% 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, 2 syntheses or guidelines pooled it, 14 citations in OpenAlex.

  1. Pooled it
  2. Selective versus non-selective NSAIDs as prophylaxis for heterotopic ossification following hip arthroplasty: a meta-analysis.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2022
    Pooled it
  3. Article
  4. Prevention of heterotopic ossification in primary total hip arthroplasty: a bone in the dark.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2024
    Article
  5. Article
  6. Article
  7. 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

6 authors at 1 institution in 1 country.

J H J van ErpClinical Orthopedic Research Center, mN, Zeist, The Netherlands. jverp@diakhuis.nl.ORCID http://orcid.org/0000-0002-0189-1728
J R A MassierClinical Orthopedic Research Center, mN, Zeist, The Netherlands.
S TruijenClinical Orthopedic Research Center, mN, Zeist, The Netherlands.
J E J BekkersClinical Orthopedic Research Center, mN, Zeist, The Netherlands.
T E SnijdersClinical Orthopedic Research Center, mN, Zeist, The Netherlands.
A de GastClinical Orthopedic Research Center, mN, Zeist, The Netherlands.
Diakonessenhuis hospital · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTotal hip arthroplasty (THA) is a successful procedure. However, in time, heterotopic ossification (HO) can form due to, amongst others, soft tissue damage. This can lead to pain and impairment. This study compares the formations of HO between patients who underwent either THA with the posterolateral approach (PA) or with the direct lateral approach (DLA). Our hypothesis is that patients who underwent THA with a PA form less HO compared to THA patients who underwent DLA.

methodsIn this prospective cohort study, 296 consecutive patients were included who underwent THA. A total of 127 patients underwent THA with the PA and 169 with the DLA. This was dependent on the surgeon's preference and experience. More than 95% of patients had primary osteoarthritis as the primary diagnosis. Clinical outcomes were scored using the Numeric Rating Scale (NRS) and Harris Hip Score (HHS), radiological HO were scored using the Brooker classification. Follow-up was performed at 1 and 6 years postoperatively.

resultsTwo hundred and fifty-eight patients (87%) completed the 6-year follow-up. HO formation occurred more in patients who underwent DLA, compared to PA (43(30%) vs. 21(18%), p = 0.024) after 6 years. However, the presence of severe HO (Brooker 3-4) was equal between the DLA and PA (7 vs. 5, p = 0.551). After 6 years the HHS and NRS for patient satisfaction were statistically significant higher after the PA (95.2 and 8.9, respectively) compared to the DLA (91.6 and 8.5, respectively) (p < 0.001 and p = 0.003, respectively). The NRS for load pain was statistically significant lower in the PA group (0.5) compared to the DLA group (1.2) (p = 0.004). The NRS for rest pain was equal: 0.3 in the PA group and 0.5 in the DLA group.

conclusionTHA with the PA causes less HO formation than the DLA.

trial registrationRegistrated as HipVit trial, NL 32832.100.10, R-10.17D/HIPVIT 1. Central Commission Human-Related research (CCMO) Registry.

Indexed as

Arthroplasty, Replacement, HipHumansOssification, HeterotopicOsteoarthritis, HipPostoperative ComplicationsProspective StudiesDirect lateral approachPAOPeriarticular ossificationPosterior approachTotal hip arthroplasty

Identifiers

PMID33537847
PMCPMC8215033
OpenAlexW3127784351

What OpenQuestion holds

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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.