تأثیر تمرینات اینتروال بیشینه و تمرین پایدار با شدت متوسط بر VO2peak و پروفایل لیپیدی بیماران بای پس عروق کرونر در فاز دوم بازتوانی قلبی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری فیزیولوژی ورزشی، گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه بوعلی سینا، همدان، ایران.

2 استادگروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه بوعلی سینا، همدان، ایران.

3 استادیار گروه طب فیزیکی و توانبخشی، دانشکده پزشکی، دانشگاه علوم پزشکی همدان، همدان، ایران.

4 دانشیار پزشکی مولکولی، گروه زیست فناوری پزشکی، دانشکده علوم و فناوری‌های نوین پزشکی، دانشگاه علوم پزشکی همدان، همدان، ایران.

10.22080/jaep.2024.26936.2175

چکیده

اهداف: بهبود ظرفیت هوازی باعث کاهش مرگ‌ومیر در بیماران قلبی می‌شود. فعالیت ورزشی به‌شدت برای بهبود اوج اکسیژن مصرفی (VO2peak) و پروفایل لیپیدی توصیه می‌شود؛ اما شواهد کمی در مورد کارآمدترین روش تمرینات ورزشی برای بیماران عروق کرونر وجود دارد. هدف از مطالعه حاضر بررسی اثر تمرینات اینتروال باشدت بیشینه (HIIT) در مقایسه با تمرین پایدار با شدت متوسط (MISS) بر بهبود VO2peak و پروفایل لیپیدی بیماران بای پس عروق کرونر (CABG) بود.
روش مطالعه: در این مطالعه نیمه تجربی40 بیمار CABG به‌صورت تصادفی به چهار گروه کنترل، HIIT 20 ثانیه‌ای (100-80 درصد توان هوازی بیشینه (MAP))، HIIT 60 ثانیه‌ای (MAP 100-80)، MISS (MAP 80 -60) تقسیم شدند. گروه‌های تمرینی به مدت هشت هفته، هفته‌ای سه جلسه با دستگاه تردمیل، ارگومتر دستی و ارگومتر پایی تمرین کردند و گروه کنترل هیچ فعالیت بدنی منظمی نداشت. شاخص‌ VO2peak و پروفایل چربی قبل و پس از هشت هفته اندازه‌گیری شدند. داده‌ها با استفاده از آزمون تحلیل واریانس یک‌راهه (ANOVA) و آزمون تی زوجی مورد تحلیل قرار گرفتند.
یافته­ ها: پس از 8 هفته مداخله VO2peak در گروه HIIT20 15.1%(P=0.018)،  HIIT6018.3% (P=0.011) و MISS (P=0.041)  11.6% افزایش یافت. HDL تنها در گروه‌های HIIT افزایش معناداری داشت (P≤0.05). LDL در همه گروه‌های تمرینی کاهش معناداری یافت(P≤0.05). TG در گروه‌های HIIT کاهش معناداری یافت(P≤0.05). کلسترول تام در گروه HIIT60 وMISS کاهش معناداری یافت(P≤0.05) .
نتیجه گیری: به نظر می‌رسد تمرینات HIIT در مقایسه با تمرینات MISS عملکرد بهتری برای بهبود VO2peak و برخی پروفایل لیپیدی در بیماران بای پس عروق کرونر دارند. در این مطالعه دو روش تمرینی با مقیاس درک فشار (RPE) و ایمنی برابر همراه بودند.
 

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of High-Intensity Interval Training and Moderate-Intensity Steady-State on VO2peak and Lipid Profile of Coronary Artery Bypass Graft in The Second Phase of Cardiac Rehabilitation

نویسندگان [English]

  • Ali Reza Ahmadvand 1
  • Ali Heidarianpour 2
  • Lobat Majidi 3
  • Saeid Afshar 4
1 Department of Exercise Physiology,, Faculty of Physical Education and Sport Sciences, Bu-Ali Sina University, Hamedan, Iran.
2 Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Bu-Ali Sina University, Hamedan, Iran.
3 Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.
4 Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
چکیده [English]

Objectives: Increasing aerobic capacity reduces mortality in heart patients. Exercise is highly recommended to improve Peak oxygen uptake (VO2peak) and lipid profile; however, there is limited evidence on the most effective exercise training method for coronary artery disease patients. The aim of this study was to investigate the effect of high-intensity interval training (HIIT) compared to moderate steady-state training (MISS) on improving VO2peak and lipid profile in coronary artery bypass graft (CABG) patients.
Methods: In this semi-experimental study, 40 CABG patients were randomly divided into four groups, control, HIIT of 20 seconds (80-100% of maximal aerobic power (MAP)), HIIT of 60 seconds (80-100% MAP), MISS (60-80 % MAP). The training sessions occurred three times weekly over eight weeks using a treadmill, manual ergometer, and leg ergometer, while the control group did not engage in regular physical activity. VO2peak and lipid profile were measured before and after the eight weeks.
 Results: Following an 8-week intervention, VO2peak showed a 15.1% increase in the HIIT20 group (P=0.018), 18.3% in the HIIT60 group (P=0.011), and 11.6% in the MISS group (P=0.041). HDL significantly increased only in the HIIT groups (P≤0.05). LDL decreased significantly in all exercise groups (P≤0.05). TG decreased significantly in the HIIT groups (P≤0.05). TC significantly reduced in the HIIT60 and MISS groups (P≤0.05).
Conclusion: It seems that HIIT exercises perform better than MISS exercises for improving VO2peak and some lipid profile in coronary bypass patients. This better performance was associated with an equal rate of perceived exertion (RPE) and safety with MISS exercises.

کلیدواژه‌ها [English]

  • Cardiac Rehabilitation
  • Coronary Artery Bypass Grafting
  • VO2peak
  • High-Intensity Interval Training
  • Moderate-intensity steady-state
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