Article ; Online: Antioxidant therapies for obstructive sleep apnea: A systematic review and meta-analysis.
Sleep & breathing = Schlaf & Atmung
2024
Abstract: Purpose: Obstructive sleep apnea (OSA) is a common clinical problem that is associated with adverse cardiovascular outcomes attributed to the oxidative stress due to sympathetic overstimulation. Treatment approaches targeting oxidative stress have been ... ...
| Abstract | Purpose: Obstructive sleep apnea (OSA) is a common clinical problem that is associated with adverse cardiovascular outcomes attributed to the oxidative stress due to sympathetic overstimulation. Treatment approaches targeting oxidative stress have been tried by multiple investigators. This systematic review and meta-analysis evaluated the efficacy and safety of such approaches. Methods: Pubmed and Embase databases were searched for human studies evaluating the utility of antioxidant therapies in patients with OSA. Results: A total of six studies (five randomized trials and one case-control study) were included, including 160 patients with OSA using N-acetyl cysteine, vitamin C, carbocysteine, superoxide dismutase, vitamin E, allopurinol, and their combinations. There was a significant improvement in flow-mediated dilatation (FMD) following antioxidants, with the pooled effect being 2.16 % (95% CI 1.65-2.67) using the random-effects model (I2 = 0% and p<0.001). It was also associated with a significant reduction in malondialdehyde levels and an increase in reduced glutathione (GSH) levels. There was also a significant improvement in the Epworth sleepiness scale, oxygen desaturation index, and minimum oxygen saturation during sleep without any significant adverse effects. Conclusion: Antioxidant therapy in patients with OSA is associated with improved endothelial function, reduced oxidative stress, and improved sleep parameters. These results call for future multicentre studies with longer follow-ups to assess the utility of antioxidant therapy in patients with OSA. |
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| Language | English |
| Publishing date | 2024-05-13 |
| Publishing country | Germany |
| Document type | Journal Article ; Review |
| ZDB-ID | 1500381-4 |
| ISSN | 1522-1709 ; 1520-9512 |
| ISSN (online) | 1522-1709 |
| ISSN | 1520-9512 |
| DOI | 10.1007/s11325-024-03050-z |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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