New generation pulse oximetry in the assessment of peripheral perfusion during general anaesthesia — a comparison between propofol and desflurane

Michał Kowalczyk, Anna Fijałkowska, Andrzej Nestorowicz
DOI: 10.5603/AIT.2013.0029
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Anaesthesiol Intensive Ther 2013;45(3):138-144.

open access

Vol 45, No 3 (2013 Jul-Sep)
Original and clinical articles
Published online: 2013-09-29
Submitted: 2013-09-25

Abstract

BACKGROUND: A pulse oximeter is a standard device for perioperative monitoring. It is well known that the early detection of tissue hypoxia is of great importance. It has been made easier due to a new generation pulse oximetry device from Masimo. This enables measurements of the peripheral perfusion index (PI) in real time. It has been found that volatile anaesthetics such as sevoflurane and desflurane increase the perfusion index. As we know, no data is available about perfusion index during propofol/remifentanil total intravenous anaesthesia.

METHODS: ASA I and II class women scheduled for elective gynaecological surgery were eligible for the study. Patients were divided into two groups: group P receiving propofol/remifentanil intravenous anaesthesia and group D receiving desflurane/fentanyl general anaesthesia. PI was noted before anaesthesia, after remifentanil/fentanyl injection, after endotracheal intubation, at the beginning of surgery, during the procedure at ten minute intervals, at the end of the procedure, after awakening, after extubation and before discharge to the ward.

RESULTS: Eighty-three patients were enrolled to the study. In both groups, PI increased significantly from the start to the end of surgery. There was a significant correlation between PI and end-tidal desflurane concentration (r = 0.807; P = 0.001). No correlation was found between propofol or remifentanil concentrations and PI.

CONCLUSION: Both intravenous propofol/remifentanil and desflurane/fentanyl general anaesthesia increase peripheral perfusion. An increase in end-tidal desflurane concentration raises peripheral perfusion.

Keywords

monitoring, pulse oximetry; monitoring, peripheral tissue perfusion; monitoring, perfusion index; intravenous anaesthetics propofol; volatile anaesthetics, desflurane

About this article
Title

New generation pulse oximetry in the assessment of peripheral perfusion during general anaesthesia — a comparison between propofol and desflurane

Journal

Anaesthesiology Intensive Therapy

Issue

Vol 45, No 3 (2013 Jul-Sep)

Pages

138-144

Published online

2013-09-29

DOI

10.5603/AIT.2013.0029

Bibliographic record

Anaesthesiol Intensive Ther 2013;45(3):138-144.

Keywords

monitoring
pulse oximetry
monitoring
peripheral tissue perfusion
monitoring
perfusion index
intravenous anaesthetics propofol
volatile anaesthetics
desflurane

Authors

Michał Kowalczyk
Anna Fijałkowska
Andrzej Nestorowicz

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