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Research Library · Independent literature review

Neurosurgery: Does VR surgical planning reduce operating time?

19 Neurosurgery studies in the library address this question.

Neurosurgery: Operating timeBar chart. Neurosurgery: Operating time. Comparative or prospective studies 7, Retrospective studies 5, Case reports & technical 7.RESEARCH LIBRARY · INDEPENDENT LITERATURE REVIEWNeurosurgery: Operating time19 studies in the library, by study designComparative or prospecti…7Retrospective studies5Case reports & technical7Positive findingMixedDescriptiveNo significant differenceRealize Medical Research Library · 631 studies · updated 2026-10-03

Where time gains were reported

  • Positive finding
    “Mean holographic preparation time was 36 +/- 12 minutes.”

    Colombo 2025 · Comparative study · n: 10 cases (plus matched controls)

  • Positive finding
    “The overall planning time (AR = 119 ± 44 s, conventional = 187 ± 56 s) was significantly reduced through the adoption of the AR workflow”

    Van Gestel 2023 · Prospective cohort · n: 20 patients

  • Positive finding
    “Moreover, the assessment duration was significantly shorter with the fusion imaging technique than with the three-dimensional MR (P<0.05).”

    Wang 2021 · Prospective case series · n: 8 patients

  • Positive finding
    “The mean procedure time was significantly lower for the VR group compared with the control group (247.80 minutes vs 328.27 minutes; p = 0.0115), particularly for the patients with a CC score of 2 (95% CI, p = 0.0064).”

    Steineke 2021 · Retrospective cohort · n: 21 patients

How strong is the evidence?

Of 19 studies with a finding on this question: 6 report a positive finding, 1 mixed, 7 descriptive, 5 no significant difference. These reflect what each study's authors report.

Study designs: 7 comparative or prospective studies, 5 retrospective studies and 7 case reports, case series and technical reports.

All 19 studies

Impact of Mixed Reality on Middle Cerebral Artery Aneurysm Clipping: Initial Experience With 25 Cases #

Colombo E et al. · Operative neurosurgery (Hagerstown, Md.) · 2026

Neurosurgery · Comparative study · n: 50 cases (25 MxR, 25 control)

No significant difference
“The mean craniotomy diameter and mean surgical preparation time did not differ significantly.”

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Mixed Reality-Assisted Surgical Planning of Flow-Augmentation Extracranial-Intracranial Bypass Surgery: A Technical Note #

Colombo E et al. · World neurosurgery · 2025

Neurosurgery · Comparative study · n: 10 cases (plus matched controls)

Positive finding
“Mean holographic preparation time was 36 +/- 12 minutes.”

36 +/- 12 minutes

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Optimizing the Workflow of Superficial Temporal Artery Mapping in Extracranial-Intracranial Bypass Surgery Using Mixed Reality: A Proof-of-Concept Study #

Bhatia S et al. · World neurosurgery · 2025

Neurosurgery · Validation study · n: 7 patients

Mixed
“MR mapping of the STA was faster than Doppler mapping (11.3 ± 1.47 vs. 67.2 ± 17.6 seconds; P = 0.001).”

P = 0.001

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Early Experience of Surgical Planning for STA-MCA Bypass Using Virtual Reality #

Kim NC et al. · World neurosurgery · 2023

Neurosurgery · Comparative study · n: 30 patients (17 VR, 13 control)

No significant difference
“No significant difference were found in the procedure time or craniotomy size between the 2 groups.”

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Neuro-oncological augmented reality planning for intracranial tumor resection #

Van Gestel F et al. · Frontiers in neurology · 2023

Neurosurgery · Prospective cohort · n: 20 patients

Positive finding
“The overall planning time (AR = 119 ± 44 s, conventional = 187 ± 56 s) was significantly reduced through the adoption of the AR workflow”

AR = 119 ± 44 s, conventional = 187 ± 56 s

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Mixed Reality for Cranial Neurosurgical Planning: A Single-Center Applicability Study With the First 107 Subsequent Holograms #

Colombo E et al. · Operative neurosurgery (Hagerstown, Md.) · 2023

Neurosurgery · Prospective cohort · n: 107 cases

Descriptive
“Mean hologram segmentation time was 39.4 ± 20.4 minutes.”

39.4 ± 20.4 minutes

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Preoperative evaluation of neurovascular relationships for microvascular decompression: Visualization using Brainvis in patients with idiopathic trigeminal neuralgia #

Wang B et al. · Clinical neurology and neurosurgery · 2021

Neurosurgery · Prospective case series · n: 8 patients

Positive finding
“Moreover, the assessment duration was significantly shorter with the fusion imaging technique than with the three-dimensional MR (P<0.05).”

P<0.05

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Role of mixed reality in the workflow of complex neurooncological surgeries: a case analysis in thalamic surgery #

Zanuttini L et al. · Acta neurochirurgica · 2025

Neurosurgery · Retrospective case series · n: 9 patients (10 procedures)

Descriptive
“The additional planning time for segmentation averaged 45 min.”

45 min

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Minimally invasive approaches using virtual reality planning in elective aneurysm surgery #

Greuter L et al. · Frontiers in surgery · 2025

Neurosurgery · Retrospective cohort · n: 159 patients

No significant difference
“Operative time was shorter in the VR group but lacked statistical significance”

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Mixed reality in neurosurgery: redefining the paradigm for arteriovenous malformation planning and navigation to improve patient outcomes #

Najera E et al. · Neurosurgical focus · 2024

Neurosurgery · Retrospective case series · n: 10 patients

Descriptive
“The mean surgical duration was approximately 5 hours 11 minutes, with a mean intraoperative blood loss of 507.5 ml.”

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Virtual Reality Planning of Microvascular Decompression in Trigeminal Neuralgia: Technique and Clinical Outcome #

Fabrig OD et al. · Journal of neurological surgery. Part A, Central European neurosurgery · 2024

Neurosurgery · Retrospective case series · n: 26 patients

Descriptive
“The VR planning was well integrated into the clinical workflow, and imaging processing time was 30 to 40 minutes.”

30 to 40 minutes

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Microsurgical clipping of middle cerebral artery aneurysms: preoperative planning using virtual reality to reduce procedure time #

Steineke TC, Barbery D · Neurosurgical focus · 2021

Neurosurgery · Retrospective cohort · n: 21 patients

Positive finding
“The mean procedure time was significantly lower for the VR group compared with the control group (247.80 minutes vs 328.27 minutes; p = 0.0115), particularly for the patients with a CC score of 2 (95% CI, p = 0.0064).”

p = 0.0115

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Patient-Specific 3D-Printed Models and Mixed-Reality Head-Mounted Display Visualization for Aneurysm Clip Ligation Planning: A Methodological Workflow Study #

Haegler J et al. · Brain sciences · 2026

Neurosurgery · Case series · n: 29 patients

Descriptive
“The mean total preparation time (mean ± standard deviation, SD) was 40.6 ± 10.3 min for MR-HMD visualization and 108.8 ± 17.8 min for 3D-printed models, excluding printing, washing, and curing time.”

40.6 ± 10.3 min

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PreVISE: an efficient virtual reality system for SEEG surgical planning #

Spiegler P et al. · Virtual reality · 2025

Neurosurgery · Technical development

Positive finding
“The system reduces the surgical planning time by 91%.”

91%

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Augmented reality and 3D modeling for preoperative planning in microsurgical resection of brain arteriovenous malformations: A proof-of-concept study #

Konovalov A et al. · Surgical neurology international · 2025

Neurosurgery · Case series · n: 20 patients

Descriptive
“Preoperative modeling required 15.3 ± 5.1 min, while AR navigation averaged 12.7 ± 3.2 min.”

15.3 ± 5.1 min

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The Inaugural "Century" of Mixed Reality in Cranial Surgery: Virtual Reality Rehearsal/Augmented Reality Guidance and Its Learning Curve in the First 100-Case, Single-Surgeon Series #

Jean WC et al. · Operative neurosurgery (Hagerstown, Md.) · 2024

Neurosurgery · Case series · n: 100 cases

No significant difference
“Comparing the 17 pairs of matched MxR and non-MxR cases, no statistically significant differences exist in the groups regarding blood loss, length of stay nor duration of surgery.”

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Feasibility of Augmented Reality for Pediatric Giant Supratentorial Tumors: A Report of Three Cases #

Wu Y et al. · Cureus · 2024

Neurosurgery · Case series · n: 3 patients

No difference reported
“However, we observe that substantial time is required to set up the AR system prior to each clinical case discussion by the neurosurgical team.”

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Single-stage cranioplasty with customized polyetheretherketone implant after tumor resection using virtual reality and augmented reality for precise implant customization and placement: illustrative case #

Rios-Vicil CI et al. · Journal of neurosurgery. Case lessons · 2022

Neurosurgery · Case report · n: 1 patient

Descriptive
“Excellent cosmetic results, decreased operative time, and a feasible workflow were achieved.”

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Expanded Endoscopic Endonasal Transtuberculum Approach for Tuberculum Sellae Meningioma: Operative Video With 360-Degree Fly-Through and Surgical Rehearsal in Virtual Reality: 2-Dimensional Operative Video #

Jean WC, Singh A · Operative neurosurgery (Hagerstown, Md.) · 2020

Neurosurgery · Case report (video) · n: 1 patient

Positive finding
“The three-dimensional renderings are quick to set up (15 min), and the examination of the anatomy is useful for choosing the surgical approach.”

15 min

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Summarises published research on VR/AR surgical planning across all platforms. Not product labelling. For Elucis indications see /elucis.

Intended for healthcare professionals.

Summaries and quotes describe each study's methods and the findings its authors report. They are not claims by Realize Medical and may contain errors: please read the original paper. Inclusion is not an endorsement of any product or use.