Xia, W;
West, S;
Nikitichev, D;
Ourselin, S;
Desjardins, A;
(2017)
Interventional multispectral photoacoustic imaging of the epidural space.
Presented at: SPIE BIoS, Photonics West 2017, San Francisco, United States.
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Abstract
Injections of anaesthetics into the epidural space are widely performed to relieve pain. Here, for the first time, we investigated the use of photoacoustic imaging to identify the epidural space using an interventional multispectral photoacoustic (IMPA) imaging system. Excitation light was delivered through an optical fibre positioned within a needle to illuminate the epidural space in a swine model. Spectral unmixing of the images revealed prominent distributions of lipids and haemoglobin in the epidural space at a depth of 35 mm. We conclude that IMPA could be a useful imaging modality to guide placement of needles into the epidural space.
| Type: | Poster |
|---|---|
| Title: | Interventional multispectral photoacoustic imaging of the epidural space |
| Event: | SPIE BIoS, Photonics West 2017 |
| Location: | San Francisco, United States |
| Dates: | 30 January 2017 - 06 February 2017 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | http://spie.org/conferences-and-exhibitions/photon... |
| Language: | English |
| Keywords: | Photoacoustic imaging, spectroscopy, epidural space. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1544074 |
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