RESUMO
Ischaemic stroke is a sudden neurological disorder caused by localised cerebral ischaemia and persistent cerebral infarction. Occlusion of large arteries due to atherothrombosis, cerebral embolism (i.e., embolic infarction), no thrombotic occlusion in small, deep cerebral arteries (i.e., lacunar infarction), and stenosis of proximal arteries due to hypotension leading to decreased cerebral blood flow in arterial supply zones are the most common causes of ischemic stroke (i.e., hemodynamic stroke). It is now known that organelles play an important role in various signaling events and cellular functions. The molecular mechanisms of mitochondria are involved in cerebral ischemia by generating and scavenging reactive oxygen species, apoptosis, biogenesis, mitochondrial dynamics, and inflammation are all examples of electron transport chain dysfunction. More knowledge about the involvement of mitochondria in ischemia-induced neuronal death and neuronal protection will contribute to the development of better treatment programs for stroke syndromes such as ischemic stroke.
RESUMO
BACKGROUND: Premenstrual syndrome (PMS) is a common painful disorder in females. The use of Benson's relaxation technique with a focus on sensations affects a range of physical and mental symptoms, reduces stress, and subsequently leads to changes in oxidative stress indexes. AIM: The present study aimed to determine the impact of Benson's relaxation technique on oxidative stress indexes of premenstrual syndrome in students in Khoy University of Medical Sciences. METHODS: A quasi-experimental design with intervention and control groups was used in this study. The female nursing students at Khoy University of Medical Sciences were selected by convenience and were assigned by the simple random method to control and intervention groups, each of which with 30 samples. The data collection tool was a three-part questionnaire and a checklist for recording values. Data collection was done at two stages of before and after intervention on days 21 to 28 and the third day of menstruation by distributing questionnaires and a blood sampling. The Mean, standard deviation, frequency and percentage using descriptive statistics and Inferential statistically were utilised to analyse data through paired T-test, independent T-test, and Chi-square tests in addition to analysis of relations by using SPSS V25 at the p-value < 0.05. RESULTS: According to the findings, most of the samples were single (90%), native (61.6%) and had PMS symptoms (83.3%). The participants' mean age was 21 ± 1.5 years, and most of them had physical symptoms of headache, fatigue, behavioural symptoms of nervous tension and mood swing. The results indicated a significant difference between control and intervention groups in malondialdehyde2 (MDA2) and Total Antioxidant Capacity2 (TAC2) (p = 0.001). The within-groups comparison indicated a statistically significant difference between the total MDA index with a mean difference of 0.126 and TAC index (-.122) of the intervention group (p = 0.001). CONCLUSION: The research results emphasised the importance of using Benson's relaxation techniques as an alternative medicine on the variability of levels oxidative stress markers and Consequently for reducing physical and mental symptoms.
