Evidence map›Paper›PMID 34718868›Full record

SynthesisEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2022

Surgical decompression timing for patients with foot drop from lumbar degenerative diseases: a meta-analysis.

Sang-Youn Song, Dae Cheol Nam, Dong-Kyu Moon, Dong-Yeong Lee, Eun-Chang Lee, Dong-Hee Kim

Abstract readMeta-AnalysisReview
PubMed Publisher
In one paragraph

Synthesis 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, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.8field-weighted citation impact, top 29% 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

7 citing papers in PubMed, 12 citations in OpenAlex.

  1. Lumbar disc herniation with moderate-to-severe motor deficit: A multicenter real-world study.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
    Observational
  2. Article
  3. Biomarkers in cerebrospinal fluid of persistent neuropathic pain after lumbar stenosis surgery.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 · 2025
    Article
  4. Review
  5. Article
  6. Review
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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

6 authors at 2 institutions in 1 country.

Sang-Youn SongDepartment of Orthopaedic Surgery, Institute of Health Science, Gyeongsang National University School of Medicine and Hospital, 15, Jinju-daero 816 beon-gil, Jinju, Gyeongsangnam-do, 660-751, Republic of Korea.ORCID 0000-0001-8484-7572
Dae Cheol NamDepartment of Orthopaedic Surgery, Institute of Health Science, Gyeongsang National University School of Medicine and Hospital, 15, Jinju-daero 816 beon-gil, Jinju, Gyeongsangnam-do, 660-751, Republic of Korea.ORCID 0000-0003-2772-9777
Dong-Kyu MoonDepartment of Orthopaedic Surgery, Institute of Health Science, Gyeongsang National University School of Medicine and Hospital, 15, Jinju-daero 816 beon-gil, Jinju, Gyeongsangnam-do, 660-751, Republic of Korea.ORCID 0000-0002-0911-6638
Dong-Yeong LeeDepartment of Orthopaedic Surgery and Joint Center, Barun Hospital, Jinju, Republic of Korea.ORCID 0000-0001-6894-2684
Eun-Chang LeeDepartment of Orthopaedic Surgery, Institute of Health Science, Gyeongsang National University School of Medicine and Hospital, 15, Jinju-daero 816 beon-gil, Jinju, Gyeongsangnam-do, 660-751, Republic of Korea.ORCID 0000-0001-8921-3296
Dong-Hee KimDepartment of Orthopaedic Surgery, Institute of Health Science, Gyeongsang National University School of Medicine and Hospital, 15, Jinju-daero 816 beon-gil, Jinju, Gyeongsangnam-do, 660-751, Republic of Korea. dhkim8311@gnu.ac.kr.ORCID 0000-0001-6378-4218
Gyeongsang National University Hospital · KRGyeongsang National University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo compare the outcomes of early (within 1 month after foot drop) decompression versus late (1 month or more after foot drop) decompression in order to determine the optimal surgical intervention timing for lumbar degenerative diseases.

methodsThe MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Web of Science and SCOPUS electronic databases were searched for relevant articles published until May 2021 were conducted. Cochrane Collaboration guidelines were used for data extraction and quality assessment. Outcomes of interest were manual muscle testing (MMT) and recovery rate (MMT ≥ 4) for foot drop in lumbar degenerative diseases.

resultsSix clinical studies were retrieved, including 312 randomized participants. One hundred fifty-seven patients underwent early decompression surgery, and 155 underwent late decompression surgery. There were significant differences between the two groups in recovery rate (95% confidence interval [CI] 1.59, 2.57) and neurological improvement (95% confidence interval [CI] 0.21, 1.66). Early surgical decompression provided better recovery rate and neurological improvement for foot drop in lumbar degenerative diseases than late surgical decompression.

conclusionEarly surgical decompression within was beneficial in terms of recovery rate and neurological improvement compared with late surgery. Early surgical decompression (within 1 month) is recommended for patients with foot drop in lumbar degenerative diseases.

Indexed as

Peroneal NeuropathiesSpinal StenosisDecompression, SurgicalHumansLumbar VertebraeLumbosacral RegionTreatment OutcomeDurationFoot dropLumbar degenerative diseaseLumbar herniationLumbar spinal stenosis

Identifiers

PMID34718868
OpenAlexW3208506398

What OpenQuestion holds

Textmetadata
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.