[Study on navigation path correction in neuro-navigation based on near infrared spectroscopy]

Area of Science:

• Neurosurgery
• Medical Imaging
• Biomedical Optics

Context:

• Brain shift significantly compromises the accuracy of current neurosurgical navigation systems.
• Real-time intraoperative adjustments are crucial for maintaining navigation precision during complex brain procedures.

Purpose:

• To develop and validate a novel neurosurgical navigation method utilizing near-infrared spectroscopy (NIRS) for real-time brain shift correction.
• To establish a robust algorithm integrating NIRS optical parameters with medical imaging for accurate path deviation compensation.

Summary:

• A new neurosurgical navigation approach is presented, leveraging near-infrared spectroscopy (NIRS) to address brain shift-induced path deviation.
• The method correlates NIRS optical parameters with medical images, using navigation path gray information as prior knowledge.
• Hermite interpolation calculates sample-point curvatures, and Mean Hausdorff distance matches feature segments to establish a real-time correction model.

Impact:

• Provides an effective and simple algorithm for real-time navigation path correction in neurosurgery.
• Enhances the accuracy and safety of image-guided brain surgeries by mitigating the effects of brain shift.
• Offers a promising advancement in intraoperative neurosurgical guidance systems.