ArticleSleep & breathing = Schlaf & Atmung2021
Oxygen saturation during sleep as a predictor of inflammation in anovulatory women.
Article in Sleep & breathing = Schlaf & Atmung, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Effects of SARS-CoV-2 Vaccination on Menstrual Cycle: An Italian Survey-Based Study.Journal of clinical medicine · 2023Article
- The COVID-19 pandemic and the menstrual cycle: research gaps and opportunities.International journal of epidemiology · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo evaluate the inflammatory profile of premenopausal women with anovulatory cycles, regular menstrual cycles, or using contraceptives, and the associations with sleep and health-related parameters.
methodsSubjects completed questionnaires including the Pittsburgh Sleep Quality Index and the Epworth sleepiness scale, underwent whole-night polysomnography, and had blood collected for analysis of inflammatory, cardiovascular, and hormonal parameters. Women of reproductive age were categorized into three groups for comparisons: anovulatory menstrual cycles, regular menstrual cycles, and hormonal contraceptive use.
resultsWomen with anovulatory menstrual cycles (n = 20) had higher circulating levels of the proinflammatory cytokine IL-6 compared with women who had regular menstrual cycles (n = 191) and those on hormonal contraception (n = 72). No other classical marker of low-grade inflammation was significantly different. Subjective and objective sleep data were similar among groups. However, the mean peripheral oxygen saturation (SpO2) during sleep was reduced in anovulatory women. The analysis of associated variables of the inflammatory profile demonstrated that mean SpO2 during sleep was a predictive factor of IL-6 levels.
conclusionsOur data suggest that in premenopausal women with anovulation, a proinflammatory condition mediated by IL-6 is associated with lower oxygen levels during sleep. These findings reflect the balance between gynecological status, the immune system, and sleep, pointing to the need to control for these factors in clinical practice and research contexts.
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Registered trials
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