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Pocivalnik, M; Pichler, G; Zotter, H; Tax, N; Müller, W; Urlesberger, B.
Regional tissue oxygen saturation: comparability and reproducibility of different devices.
J Biomed Opt. 2011; 16(5):057004 Doi: 10.1117/1.3575647 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz
Pichler Gerhard
Ribitsch Mirjam
Co-Autor*innen der Med Uni Graz
Höller Nina
Urlesberger Berndt
Zotter Heinz

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UNLABELLED: Comparability and reproducibility of different near-infrared spectroscopy devices measuring regional tissue oxygen saturation remain poor. Aim of the present study was to compare values and reproducibility of cerebral∕peripheral "tissue-oxygenation-index" (TOI; NIRO 300, Hamamatsu(®), Japan) with cerebral∕peripheral "regional-oxygen-saturation" (rSO; INVOS5100, Somanetics(®), USA), and to analyze the influence of quality criteria. METHODS: cTOI and crSO2 were measured on the left forehead, pTOI and prSO2 were measured on the left calf. To analyse reproducibility, optodes were reapplied five times. A quality criterion was introduced for cTOI, crSO2 and prSO2. For pTOI quality criteria were introduced in combination with a venous occlusion technique. RESULTS: Cerebral measurements were performed in 37 neonates. cTOI (72.7+∕-6.2%) was lower than crSO2 (83.3+∕-5.8%) (p < 0.001). The mean difference between cTOI and crSO2 was 10%. Mean standard deviations of cTOI and crSO2 were similar (cTOI: 4.9+∕-3.6; crSO2: 4.5+∕-2.6). Peripheral measurements were performed in 39 neonates. pTOI (66.0+∕-7.9%) was lower than prSO2 (82.0+∕-7.0%)(p < 0.001). The mean difference between pTOI and prSO2 was 15%. Mean standard deviations of pTOI (3.7+∕-2.6%) were lower than of prSO2 (5.0+∕-3.0%) (p = 0.047). CONCLUSION: TOI values were significantly lower than rSO2 values, in cerebral and peripheral measurements. Reproducibility was higher for pTOI than for prSO2.
Find related publications in this database (using NLM MeSH Indexing)
Cerebrovascular Circulation - physiology
Equipment Design - administration & dosage
Equipment Failure Analysis - administration & dosage
Humans - administration & dosage
Infant, Newborn - administration & dosage
Oximetry - instrumentation
Oxygen - blood
Photometry - instrumentation
Reproducibility of Results - administration & dosage
Sensitivity and Specificity - administration & dosage
Spectroscopy, Near-Infrared - instrumentation

Find related publications in this database (Keywords)
tissue oxygenation index
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