Document Detail


Assessment of cerebral perfusion in post-traumatic brain injury patients with the use of ICG-bolus tracking method.
MedLine Citation:
PMID:  23831529     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The aim of this study was to verify the usefulness of the time-resolved optical method utilizing diffusely reflected photons and fluorescence signals combined with intravenous injection of indocyanine green (ICG) in the assessment of brain perfusion in post-traumatic brain injury patients. The distributions of times of flight (DTOFs) of diffusely reflected photons were acquired together with the distributions of times of arrival (DTAs) of fluorescence photons. The data analysis methodology was based on the observation of delays between the signals of statistical moments (number of photons, mean time of flight and variance) of DTOFs and DTAs related to the inflow of ICG to the extra- and intracerebral tissue compartments. Eleven patients with brain hematoma, 15 patients with brain edema and a group of 9 healthy subjects were included in this study. Statistically significant differences between parameters obtained in healthy subjects and patients with brain hematoma and brain edema were observed. The best optical parameter to differentiate patients and control group was variance of the DTOFs or DTAs. Results of the study suggest that time-resolved optical monitoring of inflow of the ICG seems to be a promising tool for detecting cerebral perfusion insufficiencies in critically ill patients.
Authors:
W Weigl; D Milej; A Gerega; B Toczylowska; M Kacprzak; P Sawosz; M Botwicz; R Maniewski; E Mayzner-Zawadzka; A Liebert
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-7-4
Journal Detail:
Title:  NeuroImage     Volume:  -     ISSN:  1095-9572     ISO Abbreviation:  Neuroimage     Publication Date:  2013 Jul 
Date Detail:
Created Date:  2013-7-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9215515     Medline TA:  Neuroimage     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 Elsevier Inc. All rights reserved.
Affiliation:
Medical University of Warsaw, I Department of Anesthesiology and Intensive Care, Warsaw, Poland; Warsaw Praski Hospital, Department of Intensive Care and Anesthesiology, Warsaw, Poland. Electronic address: wojciech.weigl@gmail.com.
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