Feasibility of using polarization-sensitive optical coherence tomography (PS-OCT) in epidural anesthesia guidance

Chen Wang; Yunlong Liu; Paul Calle; Feng Yan; Alberto J. de Armendi; Shashank S. Shettar; Kar-Ming Fung; Chongle Pan; Qinggong Tang

doi:10.1117/12.2650474

6 March 2023 Feasibility of using polarization-sensitive optical coherence tomography (PS-OCT) in epidural anesthesia guidance

Chen Wang, Yunlong Liu, Paul Calle, Feng Yan, Alberto J. de Armendi, Shashank S. Shettar, Kar-Ming Fung, Chongle Pan, Qinggong Tang

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Proceedings Volume PC12368, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XXI; PC1236802 (2023) https://doi.org/10.1117/12.2650474
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Guidance of epidural needle is important for the safe and efficient epidural anesthesia procedure. In this study, we built an endoscopic system based on polarization-sensitive optical coherence tomography (PS-OCT). We used pig backbones to test the feasibility of our PS-OCT endoscopic system. Different spinal tissue layers that epidural needle punctures through including subcutaneous fat, ligament, ligamentum flavum, epidural space and spinal cord were imaged and analyzed. They showed different imaging features on the PS-OCT imaging results. Furthermore, we applied deep-learning methods to classify those tissue types automatically to improve the recognition efficiency.

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Chen Wang, Yunlong Liu, Paul Calle, Feng Yan, Alberto J. de Armendi, Shashank S. Shettar, Kar-Ming Fung, Chongle Pan, and Qinggong Tang "Feasibility of using polarization-sensitive optical coherence tomography (PS-OCT) in epidural anesthesia guidance ", Proc. SPIE PC12368, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XXI, PC1236802 (6 March 2023); https://doi.org/10.1117/12.2650474

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KEYWORDS

Optical coherence tomography

Tissues

Spinal cord

Convolutional neural networks

Endoscopes

Endoscopy

Polarization

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