About: Facing SpO(2) and SaO(2) discrepancies in ICU patients: is the perfusion index helpful?

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About: Facing SpO(2) and SaO(2) discrepancies in ICU patients: is the perfusion index helpful? Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Facing SpO(2) and SaO(2) discrepancies in ICU patients: is the perfusion index helpful?
Creator	Foudraine, Norbert Janssen, Loes Thijssen, Mark Jos Le Noble, ·
Source	PMC
abstract	Peripheral oxygen saturation (SpO(2)) measured by pulse oximetry is an unreliable surrogate marker for arterial oxygenation (SaO(2)) in critically ill patients. We hypothesized that a higher perfusion index (PFI) would be associated with better accuracy of SpO(2) measurement. We retrospectively collected SaO(2), SpO(2), and PFI data for each arterial blood gas (ABG) analysis in a cohort of intensive care unit patients. PFI was categorised as low (PFI < 1.0), intermediate (1.0 ≤ PFI ≤ 2.5), or high (PFI > 2.5). The correlation between SpO(2) and SaO(2) was studied using Pearson’s correlation. The Bland–Altman plot was used to analyse the agreement between SpO(2) and SaO(2). Furthermore, the correlation between the (SpO(2)–SaO(2)) difference and PFI was assessed. The level of (dis)agreement was calculated for the three PFI categories separately. Overall, 281 patients and 1281 data points were analysed. There was a significant correlation between SaO(2) and SpO(2) (r = 0.69, p < 0.01). The Bland–Altman analysis revealed a mean difference between SaO(2) and SpO(2) of 0.2% with limits of agreement of ± 6% (SD ± 2%). The correlation between the PFI and the (SpO(2)–SaO(2)) difference was low; the (SpO(2)–SaO(2)) difference improved only marginally with higher PFI values. The accuracy of pulse oximetry for estimating arterial oxygenation was moderate and improved little with increasing PFI values. Thus, the additive value of PFI in clinical decision making is limited. Therefore, we advise performing an ABG before adjusting fraction of inspired oxygen (FiO(2)) settings.
has issue date	2019-08-07(xsd:dateTime)
bibo:doi	10.1007/s10877-019-00371-3
bibo:pmid	31392655
has license	cc-by
sha1sum (hex)	b43949c796af9ebc8ab80f621822abf2ab1b6495
schema:url	https://doi.org/10.1007/s10877-019-00371-3
resource representing a document's title	Facing SpO(2) and SaO(2) discrepancies in ICU patients: is the perfusion index helpful?
has PubMed Central identifier	PMC7366881
has PubMed identifier	31392655
schema:publication	J Clin Monit Comput
resource representing a document's body	covid:b43949c796af9ebc8ab80f621822abf2ab1b6495#body_text
is schema:about of	named entity 'SaO' named entity 'perfusion' named entity 'DATA POINTS' named entity '27S' named entity 'PERFUSION INDEX' named entity 'ANALYSIS' named entity 'LITTLE' named entity 'Therefore' named entity 'improved' named entity 'PFI' named entity 'SaO' named entity 'oxygenation' named entity 'correlation' named entity 'fraction' named entity 'retrospectively' named entity 'assessed' named entity 'surrogate marker' named entity 'helpful' named entity 'PFI' named entity '0.01' named entity 'correlation' named entity 'correlation' named entity 'pulse oximetry' named entity 'PFI' named entity 'fraction of inspired oxygen' named entity 'ABG' named entity 'PFI' named entity 'PFI' named entity 'PFI' named entity 'intensive care unit' named entity 'perfusion' named entity 'oxygen saturation' named entity 'pulse oximetry' named entity 'fraction of inspired oxygen' named entity 'Bohr Effect' named entity 'pulse oximeter' named entity 'clinical study' named entity 'PFI' named entity 'arterial pressure' named entity 'positive correlation' named entity 'gold standard' named entity 'hyperoxic' named entity 'microcirculation' named entity 'oxygen content' named entity 'ABG' named entity 'PFI' named entity 'PFI' named entity 'correlation' named entity 'linear relationship' named entity 'root mean square' named entity 'retrospective study' named entity 'acidotic' named entity 'vasoconstriction' named entity 'arteries' named entity 'PFI' named entity 'correlation' named entity 'invasive ventilation' named entity 'surrogate marker' named entity 'pulse oximeter' named entity 'oxygen supply' named entity 'statistical analysis' named entity 'PFI' named entity 'ABG' named entity 'PFI' named entity 'methaemoglobin' named entity 'linear regression' named entity 'cardiac output' named entity 'invasive mechanical ventilation' named entity 'teaching hospital' named entity 'physiological' named entity 'surrogate marker' named entity 'oxyhaemoglobin' named entity 'Radiometer' named entity 'acid-base' named entity 'critically ill' named entity 'acid-base disturbances' named entity 'vasoconstriction' named entity 'Netherlands'

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