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Published in: Sleep and Breathing 2/2021

01-06-2021 | Sleep Apnea | Sleep Breathing Physiology and Disorders • Original Article

The role of antioxidant vitamins and selenium in patients with obstructive sleep apnea

Authors: Ercan Saruhan, Erdim Sertoglu, Yasemin Unal, Semai Bek, Gulnihal Kutlu

Published in: Sleep and Breathing | Issue 2/2021

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Abstract

Purpose

Obstructive sleep apnea (OSA) is a disorder characterized by recurrent episodes of obstruction of the upper respiratory tract during sleep often accompanied by oxygen desaturations. Antioxidant defense mechanisms are important to prevent OSA-associated diseases and decrease mortality. We aimed to determine the levels of selenium and vitamins A, C, and E in patients with OSA but without any comorbidities and compare the results with a control group, theorizing that the findings may be helpful to understand the antioxidant mechanisms in the pathogenesis of OSA and associated diseases.

Methods

We designed a case-control study with 146 subjects. Subjects were categorized into four groups by apnea-hypopnea index (AHI) scores: control (n = 32; AHI < 5), mild OSA (n = 32; 5 ≤ AHI < 15), moderate OSA (n = 34; 15 ≤ AHI < 30), and severe OSA (n = 48; AHI ≥ 30) groups. Serum levels of selenium were measured by atomic absorption spectrometer. Vitamin A, C, and E levels were measured by high-performance liquid chromatography and ultraviolet (HPLC-UV) detector.

Results

After adjusting for age, BMI, and gender, serum selenium and vitamin A levels were found to be higher in patients with OSA compared with controls (ANCOVA, p < 0.008, and p = 0.014 respectively), and levels of these markers increased with the severity of the disease. AHI was positively correlated with selenium (r = 0.289; p < 0.001), and vitamin A levels (r = 0.276; p < 0.001).

Conclusion

These results demonstrated that antioxidant response with increased vitamin A, and selenium concentrations, may be important defense mechanisms in patients with OSA patients who do not have other comorbidities. Antioxidant nutrients or supplements may be implemented as a complementary treatment of OSA to support antioxidant defense.
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Metadata
Title
The role of antioxidant vitamins and selenium in patients with obstructive sleep apnea
Authors
Ercan Saruhan
Erdim Sertoglu
Yasemin Unal
Semai Bek
Gulnihal Kutlu
Publication date
01-06-2021
Publisher
Springer International Publishing
Published in
Sleep and Breathing / Issue 2/2021
Print ISSN: 1520-9512
Electronic ISSN: 1522-1709
DOI
https://doi.org/10.1007/s11325-020-02207-w

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