Evidence map›Paper›PMID 35713986›Full record

ArticleGlobal spine journal2024

Influence of Pedicle Screw Insertion Depth on Posterior Lumbar Interbody Fusion: Radiological Significance of Deeper Screw Placement.

Keitaro Matsukawa, Tsunehiko Konomi, Kohei Matsubayashi, Junichi Yamane, Yoshiyuki Yato

Open access · goldAbstract read
In one paragraph

Article in Global spine journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.0field-weighted citation impact, top 25% 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, 7 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

5 authors at 1 institution in 1 country.

Keitaro MatsukawaDepartment of Orthopaedic Surgery, National Hospital Organization, Murayama Medical Center, Musashimurayama, Japan.ORCID 0000-0002-1356-5540
Tsunehiko KonomiDepartment of Orthopaedic Surgery, National Hospital Organization, Murayama Medical Center, Musashimurayama, Japan.ORCID 0000-0001-6704-7573
Kohei MatsubayashiDepartment of Orthopaedic Surgery, National Hospital Organization, Murayama Medical Center, Musashimurayama, Japan.
Junichi YamaneDepartment of Orthopaedic Surgery, National Hospital Organization, Murayama Medical Center, Musashimurayama, Japan.
Yoshiyuki YatoDepartment of Orthopaedic Surgery, National Hospital Organization, Murayama Medical Center, Musashimurayama, Japan.
Murayama Medical Center · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

STUDY

designRetrospective case series.

objectivesTo investigate the influence of screw size on achieving bone fusion in posterior lumbar interbody fusion (PLIF).

methodsIn total, 137 consecutive patients with L4 degenerative spondylolisthesis who underwent single-level PLIF at L4-L5 were evaluated. Factors investigated for their contribution to bone fusion included: 1) age, 2) sex, 3) body mass index, 4) bone mineral density, 5) intervertebral mobility, 6) screw diameter, 7) screw length, 8) screw fitness in the pedicle (%fill), 9) screw depth in the vertebra (%depth), 10) screw angle, 11) facetectomy, 12) crosslink connector, and 13) cage material.

resultsBone fusion was confirmed in 88.2% of patients. The comparison between fusion (+) and fusion (-) groups showed no significant differences in screw size. The %fill and %length were significantly greater in the fusion (+) group than in the fusion (-) group (%fill: 58.5% ± 7.5% vs 52.3% ± 7.3%, respectively,

conclusionsScrew size should be determined based on the screw fitness in the pedicle (%fill > 60%) and screw insertion depth in the vertebral body (%depth > 54.2%) according to individual vertebral anatomy in L4-L5 PLIF.

Indexed as

bone fusionlumbar degenerative spondylolisthesispedicle screwposterior lumbar interbody fusionscrew insertion depth

Identifiers

PMID35713986
PMCPMC10802553
OpenAlexW4283019796

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.