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Chapter-13 Tissue Perfusion Monitoring: Outside of Near Infrared Spectroscopy

BOOK TITLE: Monitoring in Anesthesia and Critical Care

Author
1. Jayant Aveek
ISBN
9789352700431
DOI
10.5005/jp/books/18044_14
Edition
1/e
Publishing Year
2018
Pages
11
Author Affiliations
1. Amrita Institute of Medical Sciences, Kochi, Kerala, India
Chapter keywords
Tissue perfusion monitoring, infrared spectroscopy, microcirculatory failure, hemodynamic assessment, video microscopy, laser Doppler perfusion imaging, lactate

Abstract

The objective of this chapter is to discuss tissue perfusion monitoring: outside of near infrared spectroscopy. The study of tissue perfusion, (and, by extension) the microcirculation at the bedside and the use of study based paradigms to therapy has expanded in the last two decades. However, the impetus for the study of the small vessels and their environment is neither new nor prescient. The major techniques used in assessment of tissue perfusion are video microscopy, laser Doppler perfusion imaging (LDPI), and laser speckle contrast imaging (LSCI). There has been a shift in the paradigms of hemodynamic monitoring in the last decade. In terms of global cardiovascular assessment, there is increasing emphasis on dynamic measures of preload responsiveness. However, most excitingly, it has also been shown that global cardiovascular assessment cannot predict microcirculatory failure; microcirculatory failure could potentially predict catastrophic outcomes better.

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