Evidence map›Paper›PMID 34098924›Full record

ArticleBMC musculoskeletal disorders2021

Association of global sagittal spinal deformity with functional disability two years after total hip arthroplasty.

Yoshinori Okamoto, Hitoshi Wakama, Tomohiro Okayoshi, Shuhei Otsuki, Masashi Neo

Open access · goldAbstract read
In one paragraph

Article in BMC musculoskeletal disorders, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

3 citing papers in PubMed, 8 citations in OpenAlex.

  1. Article
  2. Article
  3. Spinopelvic imbalances are associated with worse postoperative functional outcomes in patients undergoing total hip arthroplasty.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2023
    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

5 authors at 2 institutions in 1 country.

Yoshinori OkamotoDepartment of Orthopedic Surgery, Osaka Medical and Pharmaceutical University (Osaka Medical College), 2-7 Daigaku-machi, Takatsuki, Osaka, 5698686, Japan. ort141@osaka-med.ac.jp.
Hitoshi WakamaDepartment of Orthopedic Surgery, Osaka Medical and Pharmaceutical University (Osaka Medical College), 2-7 Daigaku-machi, Takatsuki, Osaka, 5698686, Japan.
Tomohiro OkayoshiDepartment of Orthopedic Surgery, Osaka Medical and Pharmaceutical University (Osaka Medical College), 2-7 Daigaku-machi, Takatsuki, Osaka, 5698686, Japan.
Shuhei OtsukiDepartment of Orthopedic Surgery, Osaka Medical and Pharmaceutical University (Osaka Medical College), 2-7 Daigaku-machi, Takatsuki, Osaka, 5698686, Japan.
Masashi NeoDepartment of Orthopedic Surgery, Osaka Medical and Pharmaceutical University (Osaka Medical College), 2-7 Daigaku-machi, Takatsuki, Osaka, 5698686, Japan.
Osaka Medical and Pharmaceutical University · JPOsaka University of Pharmaceutical Sciences · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe relationship between spinopelvic alignment and functional disability after total hip arthroplasty (THA) has not been fully elucidated despite the growing recognition of its importance on patient-reported outcome measures. Therefore, our aim was to assess the effect of global sagittal spinal deformity on post-operative disability.

methodsThis analysis was based on 208 cases of THA, with functional disability measured at a follow-up of 2 years. The Hip Disability and Osteoarthritis Outcome Score-Joint Replacement (HOOS-JR), ranging from a scale of 0 (complete joint disability) to 100 (perfect joint health), was used to divide eligible patients into two groups, namely with and without disability, using a score of 70 as the cut-off. The following factors were compared between the two groups using multivariate analysis: age, sex, body height, body mass index, spinopelvic parameters, and surgeon experience. To identify the cut-off value of the parameters for predicting disability (HOOS-JR < 70/100), we used the receiver-operating characteristic curve.

resultsThe disability (30 hips) and control (178 hips) groups showed a significant difference in pre-operative body height (p = 0.020), T1 pelvic angle divided by pelvic incidence (T1PA/PI; p = 0.018), PI minus lumbar lordosis (p = 0.027), post-operative HOOS-JR (p = 0.010), patient satisfaction (p = 0.033), and the modified Harris Hip Score (p = 0.038). On multivariate analysis, the following factors were associated with persistent disability: T1PA/PI > 0.2 (odds ratio [OR], 2.11; 95% confidence interval [CI], 1.19-4.14; p <  0.001) and height < 148 cm equivalent to legal standards as short stature (OR, 1.26; 95% CI, 1.09-1.48; p = 0.011). The cut-off value of pre-operative T1PA/PI was > 0.19, with a sensitivity of 95% and specificity of 85%. Post-operative satisfaction (p <  0.001), HOOS-JR (p = 0.023), and EuroQol 5-Dimension (p = 0.041) differed between the two groups when the pre-operative cut-off value was chosen as 0.2.

conclusionsA T1PA/PI > 0.2 was associated with greater disability after THA. Clinicians should be aware that patient-related factors, including global spinal deformities, particularly in patients with a short stature, can influence THA outcomes at 2 years postoperatively.

Indexed as

Arthroplasty, Replacement, HipLordosisHumansPatient Reported Outcome MeasuresPelvisPostoperative PeriodDisabilityGlobal sagittal deformitySpinopelvic alignmentT1 pelvic angle, Total hip arthroplasty

Identifiers

PMID34098924
PMCPMC8185940
OpenAlexW3170290054

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

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 Socratic graph.