ArticleRevista de la Facultad de Ciencias Medicas (Cordoba, Argentina)2021
Relation between inflammatory markers and severity of the apnea and hypopnea sleep syndrome
Article in Revista de la Facultad de Ciencias Medicas (Cordoba, Argentina), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introduccionIntermittent chronic hypoxia produced during obstructive sleep apneas (OSA) leads to oxidative stress, and consequently to a state of systemic inflammation. There are no biomarkers that assess the degree of inflammation and are related to the severity of this disease. The red cell distribution amplitude and the ultrasensitive reactive C protein are sensitive to the systemic inflammation generated by oxidative stress. We intend to correlate the reactive C protein and red cell distribution amplitude values with the degree of severity of OSA.
methodsAn observational, prospective, analytical study was performed. OSA patients participated. Spearman's correlation coefficient was used to estimate the correlation between red cell distribution amplitude and reactive C protein with OSA severity according to apnea hypopnea index (AHI).
results95 patients participated, of which 79 were men. Only 10 (10.5%) patients presented normal BMI. The correlations between AHI with reactive C protein and red cell distribution amplitude were weak (r = 0.17; p = 0.1066 and r = 0.06; p = 0.5867, respectively). The correlations between T90 with reactive C protein and red cell distribution amplitude were also weak (r = 0.16; p = 0.1331 and r = 0.24; p = 0.0202, respectively). An association was found between red cell distribution amplitude greater than 14 and severe OSA (p = 0.0369) and with T90 greater than 10% (p = 0.0168).
conclusionsAlthough the correlations between AHI and T90 with reactive C protein and red cell distribution amplitude were weak, it was found that severe patients, presented higher values of red cell distribution amplitude and higher T <90. This association could not be tested with reactive C protein.
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