Evidence map›Paper›PMID 36585946›Full record

ArticleGlobal spine journal2024

Short-Term Comparison Between Unilateral Versus Bilateral Percutaneous Pedicle Screw Fixation in Short-Level Lateral Lumbar Interbody Fusion-A Prospective Randomized Study.

Akihiko Hiyama, Hiroyuki Katoh, Daisuke Sakai, Masato Sato, Masahiko Watanabe

Abstract 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 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–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

10 citing papers in PubMed.

  1. Disparity between early radiographic decompression and one-year patient satisfaction after single-level LLIF: proposal of the structural improvement score (SIS) and QOL improvement score (QIS).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 · 2026
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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.

Akihiko HiyamaDepartment of Orthopaedic Surgery, Tokai University School of Medicine, Isehara, Japan.ORCID 0000-0002-2474-9118
Hiroyuki KatohDepartment of Orthopaedic Surgery, Tokai University School of Medicine, Isehara, Japan.ORCID 0000-0003-0046-3008
Daisuke SakaiDepartment of Orthopaedic Surgery, Tokai University School of Medicine, Isehara, Japan.
Masato SatoDepartment of Orthopaedic Surgery, Tokai University School of Medicine, Isehara, Japan.
Masahiko WatanabeDepartment of Orthopaedic Surgery, Tokai University School of Medicine, Isehara, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

STUDY

designProspective randomized controlled trial.

objectivesNo prospective studies have directly compared clinical and radiographic outcomes of unilateral vs bilateral instrumented lateral lumbar interbody fusion (LLIF) for lumbar degenerative disease (LDD). We compared the short-term radiographic, clinical outcomes, and some complications of the unilateral percutaneous pedicle screw (PPS) (UPS) vs bilateral PPS (BPS) fixation in short-level spinal fusion with LLIF for LDD.

methodsThis was a prospective randomized controlled study of 33 patients who underwent UPS or BPS fixation after LLIF for LDD; 18 patients were assigned to the UPS group and 15 patients to the BPS group. Clinical outcomes, complication rates, and fusion rates were assessed.

resultsThe two groups were similar in age, sex, preoperative diagnosis, and level of surgery. Blood loss, length of hospital stay, and numeric rating scale score one year after surgery did not differ between groups. The operative time was longer in the BPS than UPS group (120.2 vs 88.8 min, respectively; P = .029). Both groups showed improvement in disc height and dural sac in the immediate postoperative computed tomography and magnetic resonance imaging, which did not differ significantly between groups. The subsidence grade and fusion rate did not differ, but cage subsidence was more severe in the UPS than BPS group.

conclusionUnilateral and bilateral PPS fixation after LLIF yielded similar short-term clinical and radiological outcomes. However, severe cage subsidence was more common in the UPS group, which suggests that BPS fixation after LLIF may be a better choice over the long term.

Indexed as

bilateral percutaneous pedicle screw fixationlateral lumbar interbody fusionlumbar degenerative diseasenumeric rating scalepercutaneous pedicle screwrandomized controlled trialunilateral percutaneous pedicle screw fixation

Identifiers

PMID36585946
PMCPMC11394500

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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.