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[Cognitive status and its relationship with serum neuropeptide Y in patients with obstructive sleep apnea hypopnea
1Department of Otorhinolaryngology, Huainan First People's Hospital,Huainan,232000,China.
Abstract:
Objective:To analyze the correlation between cognitive function and serum NPY levels in OSAHS patients, and to explore biomarkers for evaluating cognitive function in adult patients with OSAHS. To verify the validity of MoCA in evaluating cognitive function in OSAHS patients.Method:72 patients with OSAHS and 16 healthy controls were included. Subjects were tested for PSG, MoCA, and MMSE; ELISA was used to detect serum NPY levels in subjects. After 14 days, 10 patients in the control group were randomly selected for re-testing of MoCA to detect the internal consistency, test-retest reliability and simultaneous validity of MoCA.Result:The cognitive dysfunction of OSAHS patients was manifested in visual spatial ability, language and attention. Serum NPY levels were negatively correlated with MoCA scores (r=-0.105), and the correlation was not significant. The internal consistency of the MoCA detected by the Cronbach coefficient α is reliable (0.690), and when "directional ability" deleted,the reliability increases (0.705); In addition, both of test-retest reliability (r=0.884, P=0.001) and simultaneous validity (r=0.701,P<0.01) of MoCA were reliable.Conclusion:MoCA in evaluating the cognitive function of adult with OSAHS is reliable, stable and effective, and when "directional ability" deleted,the reliability increases . The cognitive dysfunction of OSAHS patients is manifested in visual spatial ability, language and attention, which is obvious with the disease of severity; serum NPY levels can reflect the severity of OSAHS; there is no significant negative correlation between serum NPY level and MoCA total score. Whether it can be used to evaluate cognitive function in OSAHS patients needs further verification.
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