Evidence map›Paper›PMID 31428860›Full record

ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2019

Adjacent segment motion following multi-level ACDF: a kinematic and clinical study in patients with zero-profile anchored spacer or plate.

Wei Cui, Bingxuan Wu, Baoge Liu, Dongmei Li, Lei Wang, Song Ma

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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, 2019. 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
2.2field-weighted citation impact, top 13% 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 17 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Clinical impact of 3-level anterior cervical decompression and fusion (ACDF) on the occipito-atlantoaxial complex: a retrospective study of patients who received a zero-profile anchored spacer versus cage-plate construct.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 · 2021
    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 3 institutions in 1 country.

Wei Cui *Department of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, No. 119 South 4th Ring West Road, Fengtai District, Beijing, China.
Bingxuan Wu *Department of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, No. 119 South 4th Ring West Road, Fengtai District, Beijing, China.
Baoge LiuDepartment of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, No. 119 South 4th Ring West Road, Fengtai District, Beijing, China. baogeliu@hotmail.com.
Dongmei LiDepartment of Orthopaedics, Beijing Shunyi Hospital, Beijing, China.
Lei WangDepartment of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, No. 119 South 4th Ring West Road, Fengtai District, Beijing, China.
Song MaDepartment of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, No. 119 South 4th Ring West Road, Fengtai District, Beijing, China.
Capital Medical University · CNBeijing Tian Tan Hospital · CNShunyi Hospital of Beijing Traditional Chinese Medicine Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo investigate the adjacent segment kinematics, including the instantaneous axis of rotation (IAR) and range of motion (ROM), after anterior cervical discectomy and fusion (ACDF), and to compare between ACDF with zero-profile anchored spacer (ACDF-Z) and ACDF with plate (ACDF-P).

methodsEighty-seven patients (ACDF-Z = 63; ACDF-P = 24) were included. Flexion, extension and neutral cervical radiographs were obtained before operation and at 1-year follow-up. C2-C7 ROM, adjacent segment ROMs, and IARs were measured. Clinical evaluation was based on the Visual Analogue Scale, Neck Disability Index, and Japanese Orthopaedic Association score.

resultsAfter ACDF-Z, location of the superior IAR-AP reduced 1.60 mm, which represents 8% of the vertebral body (P < 0.001), and location of the inferior IAR-SI reduced 2.19 mm, 17% of the vertebral body (P = 0.02). After ACDF-P, location of the superior IAR-AP increased 0.8 mm, which means 6% of the vertebral body (P = 0.008), location of the inferior IAR-AP increased 3.34 mm, 22% of the vertebral body (P = 0.03), and location of the inferior IAR-SI reduced 3.14 mm, 25% of the vertebral body (P = 0.002). C2-C7 ROM significantly decreased after both ACDF-Z and ACDF-P (P < 0.001). Neither ACDF-Z nor ACDF-P significantly affected the adjacent segment ROMs (P > 0.05).

conclusionsBoth ACDF-Z and ACDF-P significantly impacted cervical kinematics, although both procedures obtained satisfactory clinical results in the treatment of cervical spondylosis. After both ACDF-Z and ACDF-P, C2-C7 ROM decreased significantly, while adjacent segment ROMs were preserved. ACDF-Z and ACDF-P impact the location of adjacent segment IAR-SI in similar way, while impact the location of adjacent segment IAR-AP in diverse ways. These slides can be retrieved under Electronic Supplementary Material.

Indexed as

Cervical VertebraeDiskectomySpinal FusionBiomechanical PhenomenaBone PlatesHumansRange of Motion, ArticularSpondylosisTreatment OutcomeAdjacent segment degenerationAnterior cervical discectomy and fusionInstantaneous axis of rotationKinematicsRange of motion

Identifiers

PMID31428860
OpenAlexW2969687677

What OpenQuestion holds

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Read underepoch 390

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.