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Journal of Research in Medical Sciences، جلد ۲۸، شماره ۲۹، صفحات ۲۰۲۳-۲۸
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عنوان انگلیسی The effect of melatonin on cognitive functions following coronary artery bypass grafting A triple blind randomized?controlled trial
چکیده انگلیسی مقاله Background: Cognitive dysfunction presents one of the chief causes of postoperative morbidity. Melatonin as a neurohormone can improve neurocognitive functioning and sleep disorders. We evaluated the effect of melatonin on the postoperative cognitive function of patients undergoing coronary artery bypass grafting (CABG). Materials and Methods: A triple?blind randomized?controlled trial was conducted on 66 CABG candidates in Namazee Hospital (Shiraz, Iran). Patients were assigned equally into two groups receiving melatonin 10 mg or a placebo daily for 4 weeks before surgery and 2 days after surgery in the intensive care unit. The Mini?Mental State Examination (MMSE), Tower of London (ToL), and Wechsler Adults Intelligence Scale?Revised WAIS?R) cognitive function tests were performed in both groups 4 weeks before surgery (time point 1), 2 days after surgery (time point 2), and 6 weeks after initial administration of melatonin (time point 3). Results: The mean change score (time point 3?time point 1) differed significantly between the two groups in the MMSE (P ? 0.001), ToL total score (P = 0.001), and WAIS?R general IQ (P ? 0.001), picture ompletion (P ? 0.001), vocabulary (P = 0.024), and digit span (P = 0.01). On the other hand, no significant differences were detected in the WAIS?R block design, ToL total time delay, ToL total lab, and ToL total result cores. Conclusion: The MMSE and WAIS?R tests revealed that melatonin might have prophylactic effects against postoperative cognitive disturbance in patients undergoing elective CABG.
کلیدواژه‌های انگلیسی مقاله Cognitive function, coronary artery bypass graft surgery, melatonin
نویسندگان مقاله | Reza Jouybar


| Kambiz Zohoori


| Saeed Khademi


| Seyed Hedayatallah Akhlagh


| Arash Mani


| Seyed Amir reza Akhlagh


| Elham Asadpour


نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/11420
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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