Why the study?
Does elevated HbA1c lead to overestimation of arterial oxygen saturation by pulse oximetry in patients with type 2 diabetes?
Does elevated HbA1c lead to overestimation of arterial oxygen saturation by pulse oximetry in patients with type 2 diabetes?
Elevated HbA1c in type 2 diabetes causes pulse oximetry to overestimate true arterial oxygen saturation, suggesting arterial blood gas analysis may be required during hypoxemia.
SpO2 may overestimate SaO2 with elevated HbA1c in T2D; hypothesis-generating and should not yet change practice.
Elevated blood HbA1c levels lead to an overestimation of SaO2 by SpO2, suggesting that arterial blood gas analysis may be needed for type 2 diabetic patients with poor glycemic control during the treatment of hypoxemia.
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Li et al. (2012) studied this question.
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