Abstract
Objective
To investigate the correlation between obstructive sleep apnea (OSA) and coagulation status and to speculate on the underlying mechanism in children with OSA.
Methods
We divided 345 children with OSA (age 2–14 years) into four groups according to the apnea–hypopnea index (AHI). We compared platelet (PLT) and coagulation parameters among groups. Correlations between the polysomnography parameters and coagulation parameters were investigated.
Results
Children with OSA had higher PLT counts than those without OSA (P < 0.001), while no significant difference was observed in prothrombin time, international normalized ratio, activated partial thromboplastin time, thrombin time, or fibrinogen among children with/without OSA. In linear regression analysis, the AHI and oxygen desaturation index (ODI) presented positive correlation with the PLT count (R2 = 0.155, beta = 0.307, P < 0.001 and R2 = 0.113, beta = 0.262, P < 0.001), and there was no correlation among the AHI, ODI, and other coagulation parameters. The minimum and mean oxygen saturation of arterial blood manifested negative correlation with the PLT count (R2 = 0.076, beta = − 0.116, P = 0.034 and R2 = 0.083, beta = − 0.140, P = 0.008, respectively).
Conclusions
Children with OSA have a higher PLT count, positively correlated with OSA severity, and no evidence of coagulation disorder.
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Funding
This work was partly supported by the Post-doctoral Research and Development Fund project of Sichuan University (NO. 2019HXBH093; Jing Wang).
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This study was approved by the Ethics Committee of West China Hospital of Sichuan University (No.2018–146).
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Tian Shen and Jing Wang contributed equally as first authors. Yu Zhao and Jian Zou contributed equally as corresponding authors.
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Shen, T., Wang, J., Li, L. et al. Changes in platelet count and coagulation parameters in children with obstructive sleep apnea. Sleep Breath 26, 871–878 (2022). https://doi.org/10.1007/s11325-021-02443-8
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DOI: https://doi.org/10.1007/s11325-021-02443-8