Evidence map›Paper›PMID 40448202›Full record

ArticleJournal of orthopaedic surgery and research2025

The usefulness and utilisation of Lu's retractor for unilateral biportal endoscopic discectomy: a retrospective cohort study.

Qing-Zhou Zhang, Da-Wei Zhang, Hui-Lan Wen, Tao Chen, Jun-Quan Chen, Hai Lu

Abstract read
In one paragraph

Article in Journal of orthopaedic surgery and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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.

Qing-Zhou Zhang *Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, China.
Da-Wei Zhang *Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, China.
Hui-Lan Wen *Department of Operation Room and Anesthesiology, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, China.
Tao Chen *Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, China.
Jun-Quan ChenDepartment of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, China. chenjq237@mail.sysu.edu.cn.
Hai LuDepartment of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, China. lvhai@mail.sysu.edu.cn.

Funding

the GuangDong Basic and Applied Basic Research Foundation 2023A1515110340the Natural Science Foundation of China 81572628the Project funded by China Postdoctoral Science Foundation 2023M734016
6 · The paper itself

Abstract

backgroundA novel endoscopic instrument, Lu's retractor, was developed to address the recurrent issue of limited visualisation during unilateral biportal endoscopic (UBE) spinal surgery. Engineered to optimize the surgical field by mitigating soft tissue interference, this device aims to enhance operative precision and efficiency.

methodsThis single-center retrospective cohort study analyzed 90 consecutive patients who underwent single-level lumbar discectomy via the UBE technique between June 2023 and June 2024. Based on the type of retractor utilised, patients were categorized into three groups: traditional retractor-assisted UBE discectomy (T-UBE), metal retractor-assisted UBE discectomy (M-UBE), and Lu's retractor-assisted UBE discectomy (Lu-UBE). Perioperative parameters-including operative duration, intraoperative blood loss, and complication incidence-along with clinical outcomes, were systematically recorded and compared to assess the relative efficacy of each retractor.

resultsThe Lu-UBE group exhibited significantly reduced hospital stays and intraoperative haemorrhage compared to the T-UBE and M-UBE cohorts. Furthermore, this group reported lower numerical rating scale (NRS) scores for both lumbar and radicular pain, alongside decreased Oswestry Disability Index (ODI) scores. Final follow-up assessments indicated superior Macnab grades, denoting improved functional recovery, and a lower incidence of postoperative complications.

conclusionLu's retractor offers notable advantages over conventional and metal retractors in lumbar UBE discectomy by enhancing intraoperative visualization and minimizing complications. These findings support its potential utility as an effective alternative in minimally invasive spinal procedures.

Indexed as

DiskectomyEndoscopyLumbar VertebraeAdultAgedBlood Loss, SurgicalCohort StudiesFemaleHumansMaleMiddle AgedOperative TimeRetrospective StudiesTreatment OutcomeLumbar disc herniationLu's RetractorSpinal surgeryuUBE

Identifiers

PMID40448202
PMCPMC12123837

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.