期刊
HEALTHCARE
卷 10, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/healthcare10050869
关键词
oxidative stress; antioxidant defense; Oxidative Status Index (OSI); hydroperoxides; stroke; rehabilitation
This study analyzed the oxidative stress status in subacute stroke patients undergoing rehabilitation treatments and found that almost all patients had high levels of oxidative stress. Females had lower antioxidant activity and relative antioxidant capacity compared to males. In the male group, higher oxidative stress levels were associated with worse motor performance and disability. Further research is needed to determine if there are persistent sex differences in oxidative stress status in subacute stroke patients after rehabilitation.
After a cerebral stroke insult, there is an overproduction of Reactive Oxygen Species (ROS), which overcome the antioxidant defenses, causing further tissues damage. The status of oxidative stress in stroke patients over time, particularly in those undergoing rehabilitation treatments, has been poorly investigated. We analyzed the oxidative stress status in 61 subacute stroke patients (33 females and 28 males) admitted to our rehabilitation center by measuring, in serum: hydroperoxides levels (d-ROMs), antioxidant activity (BAP test), and the relative antioxidant capacity (OSI index). We also analyzed patients for glucose levels and lipid profile. In addition, we analyzed the correlation between oxidative stress status biomarkers and motor deficits, disability, and pain. Almost all patients showed high or very high levels of d-ROMs, while BAP levels were apparently in the reference range of normality. Females had lower BAP values (females: 2478 +/- 379; males: 2765 +/- 590; p = 0.034) and lower OSI index (females: 5.7 +/- 1.9; males: 6.8 +/- 1.9; p = 0.043). Moreover, in the male group, the correlation with motor impairment and disability showed a worsened motor performance when oxidative stress is higher. Female group, on the other hand, had an unexpected different trend of correlation, probably due to an unbalanced systemic oxidative stress. Further research is needed to see if sex differences in oxidative stress status in subacute stroke patients persist after rehabilitation.
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