Persons with type 1 diabetes have low blood oxygen levels in the supine and standing body positions

IntroductionBlood oxygen saturation is low compared with healthy controls (CONs) in the supine body position in individuals with type 1 diabetes (T1D) and has been associated with complications. Since most of daily life occurs in the upright position, it is of interest if this also applies in the st...

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Veröffentlicht in:BMJ open diabetes research & care 2021-05, Vol.9 (1), p.e001944
Hauptverfasser: Laursen, Jens Christian, Clemmensen, Kim Katrine Bjerring, Hansen, Christian Stevns, Diaz, Lars Jorge, Bordino, Marco, Groop, Per-Henrik, Frimodt-Moller, Marie, Bernardi, Luciano, Rossing, Peter
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Sprache:eng
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Zusammenfassung:IntroductionBlood oxygen saturation is low compared with healthy controls (CONs) in the supine body position in individuals with type 1 diabetes (T1D) and has been associated with complications. Since most of daily life occurs in the upright position, it is of interest if this also applies in the standing body position. In addition, tissue oxygenation in other anatomical sites could show different patterns in T1D. Therefore, we investigated blood, arm and forehead oxygen levels in the supine and standing body positions in individuals with T1D (n=129) and CONs (n=55).Research design and methodsBlood oxygen saturation was measured with pulse oximetry. Arm and forehead mixed tissue oxygen levels were measured with near-infrared spectroscopy sensors applied on the skin.ResultsData are presented as least squares means±SEM and differences (95% CIs). Overall blood oxygen saturation was lower in T1D (CON: 97.6%±0.2%; T1D: 97.0%±0.1%; difference: −0.5% (95% CI −0.9% to −0.0%); p=0.034). In all participants, blood oxygen saturation increased after standing up (supine: 97.1%±0.1%; standing: 97.6%±0.2%; difference: +0.6% (95% CI 0.4% to 0.8%); p
ISSN:2052-4897
2052-4897
DOI:10.1136/bmjdrc-2020-001944