Article ; Online: The potential role of vitamin E in patients with glucose-6-phosphate dehydrogenase deficiency: A systematic review and meta-analysis.
2023 Volume 102, Issue 6, Page(s) e32937
Abstract: Background: As an antioxidant, vitamin E (VitE) may benefit the erythrocytes by protecting glutathione from oxidation by free radicals and peroxide-generating processes.: Methods: We followed the Preferred Reporting Items for Systematic Reviews and ... ...
| Abstract | Background: As an antioxidant, vitamin E (VitE) may benefit the erythrocytes by protecting glutathione from oxidation by free radicals and peroxide-generating processes. Methods: We followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement guidelines when reporting this systematic review. We searched 6 electronic databases (PubMed, Scopus, Web of Science, and Cochrane Library) until May 8, 2022. We included all relevant studies. According to the study design, the Cochrane assessment tool (Risk of Bias 2), Risk Of Bias In Non-randomized Studies - of Interventions checklists, and National Institutes of Health tools were used to assess the risk of bias.Continuous data were pooled as a mean difference (MD) with a relative 95% confidence interval. The protocol was registered on PROSPERO (CRD42022333848). Results: Six studies were included in the meta-analysis with a total of 181 patients. Compared with the control group, VitE significantly improved the hemoglobin level for chronic hemolysis (MD = 2.72 g/dL, P < .0001) and for acute hemolysis (MD = 1.18 g/dL, P < .0001). It also decreased the reticulocyte level for chronic hemolysis (MD = -1.39 P < .0001) and for acute hemolysis (MD = -1.42%, P < .0001). For before and after studies, the use of VitE significantly improved the level of packed cell volume (MD = 0.56%, P < .00001), red blood cell half-life (MD = 2.19 days, P < .0001), and decreased the reticulocytes level (MD = -1.41%, P < .00001). Conclusion: Among patients with glucose-6-phosphate dehydrogenase deficiency, VitE might provide benefits such as increasing the hemoglobin, packed cell volume levels, red blood cell half-life, and decreasing the reticulocyte level, so reducing hemolysis. Further high-quality, well-designed randomized controlled trials are recommended. |
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| MeSH term(s) | Humans ; Vitamin E/therapeutic use ; Glucosephosphate Dehydrogenase Deficiency/complications ; Hemolysis ; Bias | |||||
| Chemical Substances | Vitamin E (1406-18-4) | |||||
| Language | English | |||||
| Publishing date | 2023-01-05 | |||||
| Publishing country | United States | |||||
| Document type | Meta-Analysis ; Systematic Review ; Journal Article | |||||
| ZDB-ID | 80184-7 | |||||
| ISSN | 1536-5964 ; 0025-7974 | |||||
| ISSN (online) | 1536-5964 | |||||
| ISSN | 0025-7974 | |||||
| DOI | 10.1097/MD.0000000000032937 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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