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ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2020

Alterations of 3D acetabular and lower limb parameters in adolescent idiopathic scoliosis.

Mohammad Karam, Aren Joe Bizdikian, Nour Khalil, Ziad Bakouny, Ibrahim Obeid, Joe Ghanimeh, Chris Labaki, Georges Mjaess, Aya Karam, Wafa Skalli and 3 more

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In one paragraph

Article in European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

13 authors.

Mohammad KaramLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Aren Joe BizdikianLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Nour KhalilLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Ziad BakounyLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Ibrahim ObeidBordeaux University Hospital, Bordeaux, France.
Joe GhanimehLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Chris LabakiLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Georges MjaessLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Aya KaramLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Wafa SkalliInstitut de Biomécanique Humaine Georges Charpak, Arts et Métiers ParisTech, Paris, France.
Khalil KharratLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Ismat GhanemLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon.
Ayman AssiLaboratory of Biomechanics and Medical Imaging, Faculty of Medicine, University of Saint-Joseph in Beirut, Beirut, Lebanon. ayman.assi@gmail.com.ORCID http://orcid.org/0000-0002-3582-9420

Funding

Saint Joseph University FM300
6 · The paper itself

Abstract

purposeTo evaluate the 3D deformity of the acetabula and lower limbs in subjects with adolescent idiopathic scoliosis (AIS) and their relationship with spino-pelvic alignment.

methodsTwo hundred and seventy-four subjects with AIS (frontal Cobb: 33.5° ± 18° [10°-110°]) and 84 controls were enrolled. All subjects underwent full-body biplanar X-rays with subsequent 3D reconstructions. Classic spino-pelvic and lower limb parameters were collected as well as acetabular parameters: acetabular orientation in the 3 planes (tilt, anteversion and abduction), center-edge angle (CEA) and anterior and posterior sector angles. Subjects with AIS were represented by both lower limb sides and classified by elevated (ES) or lowered (LS), depending on the frontal pelvic obliquity. Parameters were then compared between groups. Determinants of acetabular and lower limb alterations were investigated among spino-pelvic parameters.

resultsAcetabular abduction was higher on the ES in AIS (59.2° ± 6°) when compared to both LS (55.6° ± 6°) and controls (57.5° ± 3.9°, p < 0.001). CEA and acetabular anteversion were higher on the LS in AIS (32° ± 6.1°, 20.5° ± 5.7°) when compared to both ES (28.7° ± 5.1°, 19.8° ± 5.1°) and controls (29.8° ± 4.8°, 19.1° ± 4°, respectively, p < 0.001). Anterior sector angle was lower on both ES and LS in AIS when compared to controls. CEA, acetabular abduction and acetabular anteversion were found to be mostly determined (adjusted R

conclusionsSubjects with AIS had a more abducted acetabulum at the lowered side, more anteverted acetabulum and a lack of anterior coverage of both acetabula. These alterations were strongly related to pelvic tilt.

Indexed as

KyphosisScoliosisAcetabulumAdolescentHumansLower ExtremityPostureRetrospective Studies3D reconstructionsAcetabulumAdolescent idiopathic scoliosisLower limbsSpine

Identifiers

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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 OpenQuestion graph.