Comparative study of ultrasound shape completion and CBCT-based AR workflows for spinal needle interventions - Report - MDSpire

Comparative study of ultrasound shape completion and CBCT-based AR workflows for spinal needle interventions

  • By

  • Tianyu Song

  • Feng Li

  • Felix Pabst

  • Miruna-Alexandra Gafencu

  • Yuan Bi

  • Ulrich Eck

  • Nassir Navab

  • April 15, 2026

  • 0 min

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Evaluation of Ultrasound Shape Completion versus CBCT-Enhanced AR Techniques

Overview

This study compares ultrasound-based shape completion and CBCT-enhanced augmented reality (AR) techniques for spinal needle procedures. Findings suggest that ultrasound offers a radiation-free alternative with real-time adaptability, potentially improving procedural accuracy and safety.

Background

Accurate visualization of spinal anatomy is crucial for safe and effective image-guided interventions. Traditional imaging methods, while precise, expose patients to ionizing radiation and lack real-time adaptability. The integration of ultrasound and augmented reality presents a promising approach to enhance visualization during spinal procedures.

Data Highlights

No numerical data was provided in the source material.

Key Findings

  • Ultrasound provides real-time imaging without radiation exposure, enhancing procedural safety.
  • Ultrasound-based shape completion can reconstruct complete vertebral structures from partial inputs.
  • Augmented reality improves spatial awareness and ergonomics during spinal interventions.
  • Existing AR systems primarily rely on static preoperative imaging, limiting adaptability during procedures.
  • Comparative studies indicate that ultrasound-guided interventions can reduce procedural time and adverse events.

Clinical Implications

Clinicians should consider integrating ultrasound-based techniques for spinal interventions to enhance safety and accuracy. The use of augmented reality could further improve spatial understanding and workflow efficiency during procedures.

Conclusion

The study highlights the potential of ultrasound and augmented reality to transform spinal needle procedures by providing adaptive, radiation-free imaging solutions. Further research is needed to validate these findings in clinical practice.

References

  1. Gafencu et al., 2023 -- Evaluation of Ultrasound Shape Completion versus CBCT-Enhanced Augmented Reality Techniques for Spinal Needle Procedures
  2. Liu et al., 2020 -- Augmented Reality CT-US Fusion with Smart Goggles Versus Traditional Navigation Techniques for Percutaneous Needle Placement
  3. Agten et al., 2024 -- Assessment of Augmented Reality Training for Navigation Devices in CT-Guided Needle Insertion
  4. European Radiology, 2025 -- Image-guided injections for facet joint pain: evidence-based Delphi conjoined consensus paper
  5. NEJM Clinician, 2025 -- Ultrasound for Lumbar Punctures
  6. Assessment of the Effectiveness of Computer-Assisted Navigation Techniques in Percutaneous Needle Insertion
  7. Image-guided injections for facet joint pain: evidence-based Delphi conjoined consensus paper from the European Society of Musculoskeletal Radiology and European Society of Neuroradiology | European Radiology | Springer Nature Link
  8. Ultrasound for Lumbar Punctures | NEJM Clinician
  9. Clinical Application of an Augmented Reality Navigation System for Transforaminal Epidural Injection: A Randomized Controlled Trial | MDPI

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