Evidence map›Paper›PMID 29433530›Full record

ArticleJournal of orthopaedic surgery and research2018

Correlation between lumbar intervertebral disc height and lumbar spine sagittal alignment among asymptomatic Asian young adults.

Feng Zhang, Kai Zhang, Hai-Jun Tian, Ai-Min Wu, Xiao-Fei Cheng, Tang-Jun Zhou, Jie Zhao

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Journal of orthopaedic surgery and research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05927662 (Does the Sagittal Profile of the Patient Effect the Results of Mini-open Lumbar Discectomy? A Preliminary Mid-term Results Report), which is not on this map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.4field-weighted citation impact, top 19% 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.

NCT05927662 completednot on this mapstarted 2019, after this paper: background citation

Does the Sagittal Profile of the Patient Effect the Results of Mini-open Lumbar Discectomy? A Preliminary Mid-term Results Report

TypeobservationalSponsorSaglik Bilimleri UniversitesiRan2019 to 2023Enrolled50ConditionsDisplacement of Intervertebral Disc Without MyelopathyArmslumbar discectomy
3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 24 citations in OpenAlex.

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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

7 authors at 1 institution in 1 country.

Feng ZhangNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China.
Kai ZhangNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China.
Hai-Jun TianNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China.
Ai-Min WuNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China.
Xiao-Fei ChengNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China.
Tang-Jun ZhouNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China.
Jie ZhaoNinth People's Hospital, Department of Orthopaedics, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai, People's Republic of China. profzhaojie@126.com.
Shanghai Ninth People's Hospital · CN

Funding

National Natural Science Foundation of China 81501905National Natural Science Foundation of China 81501933National Natural Science Foundation of China 81572168
6 · The paper itself

Abstract

backgroundTo investigate the distribution and characteristics of the lumbar intervertebral disc height (IDH) in asymptomatic Asian population and to determine whether the lumbar IDH is related to the lumbar spine sagittal alignment.

methodsA cohort of 169 cases of asymptomatic volunteers was enrolled from January 2014 to July 2016. All participants underwent magnetic resonance imaging of the lumbar spine and panoramic radiography of the spine. Panoramic radiographs of the spine were taken to evaluate pelvic incidence (PI), sacral slope (SS), and pelvic tilt (PT) using Surgimap® software. Roussouly classification was utilized to categorize all subjects according to the four subtypes of sagittal alignment. The IDH was measured on the MRI mid-saggital section of the vertebral body. The relationships between lumbar IDH and spine-pelvic parameters were also assessed using the Spearman correlation analysis.

resultsThe reference value ranges of IDH in asymptomatic Asian volunteers between L1/2, L2/3, L3/4, L4/5, and L5/S1 were (6.25, 10.99), (6.97, 12.08), (7.42, 13.3), (7.76, 14.57),and (7.11, 13.12) mm, respectively. Based on the above reference value, the high lumbar intervertebral space is defined as more than 14 mm. According to the Roussouly Classification, there are 33 cases in type I, 48 in type II, 66 in type III, and 22 in type IV. According to the definition of the high IDH, there are two cases in type I, three in type II, nine in type III, and eight in type IV. The results indicated that people in the Roussouly III and IV subtypes had greater values for IDH compared to those of Roussouly I and II subtypes, and the spinopelvic parameters were partly correlated with IDH in different subtypes. In addition, levels L4-L5 showed the highest IDH for all four groups followed by the L3-L4 and L5-S1 levels, and the value of L3-L4 is equivalent to that of L5-S1. All type groups showed moderate and positive correlations between the PI and IDH except the level of L1-L2 in type IV.

conclusionsThe IDH may influence the lumbar spine sagittal alignment in asymptomatic Asian adults. Moreover, pre-operative evaluation of IDH is useful for selection of optimal cage size and reconstruction of spinal alignment.

Indexed as

Asian PeopleAdultAsymptomatic DiseasesCohort StudiesCross-Sectional StudiesFemaleHumansIntervertebral DiscLumbar VertebraeMaleYoung AdultIntervertebral disc heightLumbar spine sagittal alignmentPelvic incidenceRoussouly classification

Identifiers

PMID29433530
PMCPMC5809838
OpenAlexW2794486904

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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.