Evidence map›Paper›PMID 38902785›Full record

SynthesisJournal of orthopaedic surgery and research2024

Accuracy and postoperative assessment of robot-assisted placement of pedicle screws during scoliosis surgery compared with conventional freehand technique: a systematic review and meta-analysis.

Wei Cui, Xinglin Liu, Zhiheng Zhao, Zihe Feng, Xianglong Meng

Abstract readSystematic ReviewMeta-AnalysisComparative Study
In one paragraph

Synthesis in Journal of orthopaedic surgery and research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 3 pooled it
–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, 3 syntheses or guidelines pooled it.

  1. Pooled it
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  3. Single-arm meta-analysis on robotic spine instrumentation for young patients.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2025
    Pooled it
  4. Article
  5. Guided posterior vertebral growth modulation. A novel fusionless technique for correction of adolescent idiopathic scoliosis in immature patients with removal of the implants at maturity.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
    Article
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  7. 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

5 authors.

Wei Cui *Department of Orthopedic Surgery, Beijing AnZhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, China.
Xinglin Liu *Department of Orthopedic Surgery, Beijing AnZhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, China.
Zhiheng ZhaoDepartment of Orthopedic Surgery, Beijing AnZhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, China.
Zihe FengDepartment of Orthopedic Surgery, Beijing Chaoyang Hospital, Capital Medical University of China, S Sanlitun Rd, Chaoyang District, Beijing, 100020, China.
Xianglong MengDepartment of Orthopedic Surgery, Beijing AnZhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, China. spinesurgeonmeng@ccmu.edu.cn.

Funding

Beijing Municipal Natural Science Foundation KZ202210025034National Natural Science Foundation of China 62276173
6 · The paper itself

Abstract

STUDY

designA systematic review and meta-analysis.

backgroundThe complexity of human anatomical structures and the variability of vertebral body structures in patients with scoliosis pose challenges in pedicle screw placement during spinal deformity correction surgery. Through technological advancements, robots have been introduced in spinal surgery to assist with pedicle screw placement.

methodsA systematic search was conducted using PubMed, Cochrane, Embase, and CNKI databases and comparative studies assessing the accuracy and postoperative efficacy of pedicle screw placement using robotic assistance or freehand techniques in patients with scoliosis were included. The analysis evaluated the accuracy of screw placement, operative duration, intraoperative blood loss, length of postoperative hospital stay, and complications.

resultsSeven studies comprising 584 patients were included in the meta-analysis, with 282 patients (48.3%) in the robot-assisted group and 320 (51.7%) in the freehand group. Robot-assisted placement showed significantly better clinically acceptable screw placement results compared with freehand placement (odds ratio [OR]: 2.61, 95% confidence interval [CI]: 1.75-3.91, P < 0.0001). However, there were no statistically significant differences in achieving "perfect" screw placement between the two groups (OR: 1.52, 95% CI: 0.95-2.46, P = 0.08). The robot-assisted group had longer operation durations (mean deviation [MD]: 43.64, 95% CI: 22.25-64.74, P < 0.0001) but shorter postoperative hospital stays (MD: - 1.12, 95% CI: - 2.15 to - 0.08, P = 0.03) than the freehand group. There were no significant differences in overall complication rates or intraoperative blood loss between the two groups. There was no significant difference in Cobb Angle between the two groups before and after operation.

conclusionRobot-assisted pedicle screw placement offers higher accuracy and shorter hospital stay than freehand placement in scoliosis surgery; although the robotics approach is associated with longer operative durations, similar complication rates and intraoperative blood loss.

Indexed as

Pedicle ScrewsRobotic Surgical ProceduresScoliosisBlood Loss, SurgicalHumansLength of StayOperative TimePostoperative ComplicationsPostoperative PeriodSpinal FusionTreatment OutcomeConventionalFreehandPedicle screwRobot-assisted surgical proceduresRoboticScoliosis

Identifiers

PMID38902785
PMCPMC11188284

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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.