تاثیر تمرین مقاومتی - هوازی بر بیان ژن HIF1a در بیماران CABG

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه فیزیولوژی ورزشی، واحد نیشابور، دانشگاه آزاد اسلامی، نیشابور، ایران

2 گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه فردوسی مشهد، مشهد، ایران

3 گروه تربیت بدنی و علوم ورزشی، دانشکده ادبیات و علوم انسانی، دانشگاه نیشابور، نیشابور، ایران

4 گروه آمار، واحد نیشابور، دانشگاه آزاد اسلامی، نیشابور، ایران

چکیده

ببیماری عروق کرونر قلب از مهم‌ترین علل مرگ و میر در بیشتر کشورها و از جمله ایران می‌باشد. انجام فعالیت‌های ورزشی بعد از عمل بای پس عروق کرونر (CABG) و سازگاری‌های ناشی از ان باعث افزایش چگالی مویرگی عضلۀ اسکلتی و قلبی همراه با رشد مویرگ‌های جدید با عنوان آنژیوژنز و بهبود عملکرد قلبی - عروقی و توانایی عملکردی آن‌ها می‌شود. هدف مطالعه حاضر، تاثیر بازتوانی قلبی بر بیان ژن HIF1a در بیماران کرونری پس از CABG بود. نمونه‌های این پژوهش را 30 نفر از مردان با محدوده سنی 60-45 سال که تحت عمل جراحی بای پس قرار گرفتند، تشکیل می‌دهد که بطور تصادفی به دو گروه تجربی (تعداد 15 نفر) و گروه کنترل (تعداد 15 نفر)  تقسیم شدند. گروه تجربی به مدت هشت هفته تمرینات مقاومتی-هوازی را انجام دادند(3 جلسه در هفته) و گروه کنترل در این مدت بدون تمرین بودند. نمونه گیری خونی 48 ساعت قبل از شروع اولین جلسه تمرینی و همچنین 48 ساعت پس از آخرین جلسه تمرینی در حالی که همه آزمودنی‌ها ناشتا بودند به عمل آمد. برای تحلیل داده‌ها از آزمون آماری تی مستقل و همبسته در سطح معنی­داری 05/0 استفاده شد. نتایج ﻧﺸﺎن داد ﮐﻪ ﺳﻄﺢ ﺑﯿﺎن ژن HIF1a در ﮔﺮوه ﺗﻤﺮﯾﻦ مقاومتی- هوازی ﻧﺴﺒﺖ ﺑﻪ ﮔﺮوه ﮐﻨﺘﺮل اﻓﺰاﯾﺶ داﺷﺘﻪ اﺳﺖ ﮐﻪ اﯾﻦ اﻓﺰاﯾﺶ از ﻟﺤﺎظ آﻣﺎری معنی­دار بود (001/0=p < /em> ). همچنین تغییرات قبل و بعد گروه تمرین نسبت به گروه کنترل معنی دار بود (001/0=p < /em> ). براساس یافته‌های پژوهش حاضر می‌توان چنین نتیجه­گیری کرد که تمرینات ترکیبی( مقاومتی-هوازی) ممکن است با افزایش بیان ژن HIF1a و رشد مویرگ‌های جدید تحت عنوان انژیوژنز و افزایش گردش خون به بهبود عملکرد قلبی - عروقی و بهبود کیفیت زندگی بیماران پس از CABG منجر شود.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Aerobic-resistance Training on HIF1a Gene Expression in Coronary Artery Disease After CABG

نویسندگان [English]

  • Azar Hamidi 1
  • Amir Rashidlamir 2
  • Rambod Khajei 1
  • Mehdi Zarei 3
  • Ahmad Zendedel 4
1 Department of Physical Education, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
2 Department of Exercise Physiology, Faculty of Sport Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
3 Department of Physical Education and Sport Sciences, Faculty of Literature and Humanities, University of Neyshabur, Neyshabur, Iran
4 Department of Statistics, Faculty of Basic Sciences, Neyshabur Azad University, Neyshabur, Iran
چکیده [English]

Coronary heart disease (CAD) is one of the most important causes of death in most countries, including Iran. Post-operative exercise coronary artery bypass grafting (CABG), and its adaptations, increase skeletal and cardiac capillary density associated to developing new capillaries called angiogenesis and improve cardiovascular function and functional ability. This study aimed to investigate the effect of cardiac rehabilitation on HIF1- α gene expression in post-CABG coronary patients. The sample contained 30 men aged 45-60 years who underwent bypass surgery. They were randomly divided into experimental (n = 15) and control (n = 15) groups. The experimental group performed aerobic resistance training for eight weeks (3 sessions per week), and the control group did not. Blood samples were taken 48 hours before starting the first training session and 48 hours after the last training session, while all subjects were fasting. Independent and paired t-test and Shapirovilk test were used to analyze the data at a significant level of 0.05 in SPSS version 21. The results showed that the HIF-1α gene expression in the aerobic resistance group also increased in the control group which was statistically significant (p < /em> = 0.001) as well as before and after changes in the exercise group. The control group was significant (p < /em> = 0.001). Due to the findings of the present study, it can be concluded that combined (aerobic-resistance) exercises may increase cardiovascular function by increasing HIF1α-1 gene expression and the growth of new capillaries called angiogenesis and by increasing circulation. It improves patients' quality of life after CABG.

کلیدواژه‌ها [English]

  • Cardiac rehabilitation
  • Aerobic resistance training
  • HIF1α
  • CABG
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