Title:
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Effect of Glucose Improvement on Nocturnal Sleep Breathing Parameters in Patients with Type 2 Diabetes : The Candy Dreams Study
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Author:
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Gutiérrez-Carrasquilla, Liliana; López-Cano, Carolina; Sánchez, Enric; Barbé, Ferran; Dalmases, Mireia; Hernández, Marta; Campos, Angela; Gaeta, Anna Michaela; Carmona, Paola; Hernández, Cristina; Simó Canonge, Rafael; Lecube, Albert; Universitat Autònoma de Barcelona
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Abstract:
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Type 2 diabetes exerts a negative impact on sleep breathing. It is unknown whether a long-term improvement in glycemic control ameliorates this effect. We conducted an interventional study with 35 patients with type 2 diabetes and obstructive sleep apnea (OSA) to explore this. At home, sleep breathing parameters were assessed at baseline and after a 4-month period in which antidiabetic therapy was intensified. Patients who decreased their body mass index ≥2kg/m 2 were excluded. Those with an HbA1c reduction ≥0.5% were considered good responders (n = 24). After the follow-up, good responders exhibited an improvement in the apnea-hypopnea index (AHI: 26-1 (95% IC: 8.6-95.0) vs. 20.0 (4.0-62.4) events/hour, p = 0.002) and in time with oxygen saturation below 90% (CT90: 13.3 (0.4-69.0) vs. 8.1 (0.4-71.2) %, p = 0.002). No changes were observed in the group of non-responders (p = 0.722 and p = 0.138, respectively). The percentage of moderate and severe OSA decreased among good responders (p = 0.040). In the wider population, the change in HbA1c correlated positively to decreases in AHI (r = 0.358, p = 0.035) and negatively to increases in the minimum arterial oxygen saturation (r = −0.386, p = 0.039). Stepwise multivariate regression analysis showed that baseline AHI and the absolute change in HbA1c independently predicted decreased AHI (R 2 = 0.496). The improvement of glycemic control exerts beneficial effects on sleep breathing parameters in type 2 diabetes, which cannot be attributed merely to weight loss |
Subject(s):
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-Diabetes -Apnea -Hypoxia -Glycated hemoglobin |
Rights:
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open access
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https://creativecommons.org/licenses/by/4.0/ |
Document type:
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Article |
Published by:
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Uri:
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https://ddd.uab.cat/record/252544
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