Chapter title |
Preliminary evaluation of a prototype spatially resolved spectrometer.
|
---|---|
Chapter number | 73 |
Book title |
Intracranial Pressure and Neuromonitoring in Brain Injury
|
Published in |
Acta neurochirurgica Supplement, January 1998
|
DOI | 10.1007/978-3-7091-6475-4_73 |
Pubmed ID | |
Book ISBNs |
978-3-70-917331-2, 978-3-70-916475-4
|
Authors |
al-Rawi, P G, Smielewski, P, Kirkpatrick, P J, P. G. Al-Rawi, P. Smielewski, P. J. Kirkpatrick, Al-Rawi, P. G., Smielewski, P., Kirkpatrick, P. J. |
Abstract |
Near infrared spectroscopy (NIRS) has become an established research tool and is now being explored in several clinical settings [7]. However, until recently NIRS has not been fully quantified and changes have been difficult to interpret [4]. A new development by Hamamatsu Photonics, called the Spatially Resolved Spectrometer (SRS), proposes to be able to give a quantitative measure of oxygen saturation. We have incorporated the SRS into a multimodality monitoring system in three different clinical situations: 1) patients undergoing routine cardiopulmonary bypass, 2) head injured patients and 3) patients undergoing right-sided carotid endarterectomy. The importance of this investigation is in the development of the SRS machine which shows potential as a useful clinical tool. The results demonstrated good correlation between SRS and jugular venous oximetry (SjO2) in about 50% of patients. Although these results are encouraging, this study suggests that the SRS, in its present form, is not a reliable clinical monitor of cerebral oxygen saturation. |
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