Evidence map›Paper›PMID 29299653›Full record

ArticleInternational orthopaedics2018

Arthroscopic versus open treatment of cam-type femoro-acetabular impingement: retrospective cohort clinical study.

Paulo A Rego, Vasco Mascarenhas, Filipe S Oliveira, Pedro C Pinto, Eduardo Sampaio, Jacinto Monteiro

Abstract readClinical Study
PubMed Publisher
In one paragraph

Article in International orthopaedics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 3 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

10 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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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.

Paulo A RegoDepartment of Orthopaedic Surgery, Hospital da Luz, Avenida Lusíada n 100, 1500-650, Lisbon, Portugal. pauloamaralrego@gmail.com.
Vasco MascarenhasDepartment of Radiology, Hospital da Luz, Lisbon, Portugal.
Filipe S OliveiraDepartment of Orthopaedic Surgery, Hospital da Luz, Avenida Lusíada n 100, 1500-650, Lisbon, Portugal.
Pedro C PintoDepartment of Orthopaedic Surgery, Hospital da Luz, Avenida Lusíada n 100, 1500-650, Lisbon, Portugal.
Eduardo SampaioDepartment of Orthopaedic Surgery, Klinikum Ingolstadt, Ingolstadt, Germany.
Jacinto MonteiroDepartment of Orthopaedic Surgery, Hospital de Santa Maria, Lisbon, Portugal.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this study was to determine if there were significant differences between patients submitted to hip arthroscopy (HA) and surgical hip dislocation (SHD) to treat femoro-acetabular impingement (FAI), which variables were significantly associated with hip function before surgery and those predictive of the applied functional outcome scale and its variation rate after surgery.

methodsWe selected 198 patients treated with HA or SHD with a mean follow-up of 59 months. Inclusion criteria were ages 18-50 years, isolated FAI cam morphology and complete clinical and radiologic documentation. The subjective outcome measure used was the nonarthritic hip score (NAHS). We compared pre-operative and post-operative NAHS, alpha angles and complication rates. Multiple linear regression analyses were performed to find which variables could influence NAHS values.

resultsThe mean alpha-angle value improved from 71.5° to 40.8°, and mean NAHS improved from 50 to 83 points, with no difference between groups (HA/SHD). We found only a 16.9% influence rate on the pre-operative score, explained by variables of gender/pre-operative alpha angle and presence of degenerative changes/age. The influence rate on the NAHS variation ratio after surgery was 62.8%, explained by the variables of pre-operative score, type of surgery and type of surgery/alpha angle. The complication rate was 7%.

conclusionsFAI surgery can be considered effective in improving patient symptoms. There were no differences in clinical or radiographic results between techniques. We could more accurately predict the variation ratio of NAHS after surgery than its pre-operative value.

Indexed as

AdolescentAdultArthroscopyCohort StudiesFemaleFemoracetabular ImpingementHip JointHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesTreatment OutcomeYoung AdultCamFemoro-acetabular impingementHip arthroscopyNonarthritic hip scoreResultsSurgical hip dislocation

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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.