A comparative study of interleukin 6 and 17 serum levels in patients undergoing coronary artery bypass surgery using off-pump and on-pump methods

Document Type : Original Article

Authors

1 Department of Cardiovascular Surgery, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

2 Department of Biology, Faculty of Science, Payam-e Noor University of Mashhad, Mashhad, Iran.

3 Department of anesthesiology, Faculty of medicine, Mashhad University of medical sciences, Mashhad, Iran

4 Department of Biology, Faculty of Science, Payam-e Noor University,Tehran, Iran.

5 Clinical Research Development Unit, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

6 Razavi Cancer Research Center, Razavi Hospital, Imam Reza International University, Mashhad, Iran

10.30483/rijm.2020.254165.1019

Abstract

Introduction: This study aims to investigate the role of coronary artery bypass graft (CABG) surgery by off-pump and on-pump methods in the severity of postoperative inflammation based on serum levels of interleukin 6 (IL6) and interleukin 17 (IL17).
Methods:
This is a cross-sectional study in which 39 patients’ candidate for CABG were evaluated in terms of serum levels of IL17 and IL6 before and after surgery in two groups of off-pump and on-pump CABG.
Results:
Thirty-nine patients with an average age of 63±8.9 in the on-pump group and 59±7.74 in the off-pump group were evaluated. There was no significant difference between the two groups in terms of baseline information and underlying diseases. IL6 serum level (p=0.249) was not significantly difference between the two groups. However, IL17 serum level (p=0.012) demonstrated a significant difference between the two groups.
Conclusion:
In general, the results of this study showed that increased IL6 serum level following coronary artery bypass was not different between the two methods of CABG surgery. Besides, IL17 exhibited a significant difference between the two groupsi that it was reduced in on-pump group in after surgery. It can be due to special condition’s patients or low sample size of study. Moreover, the postoperative complications were not significantly different between the two groups. This valuable outcome contradicts the popular belief that the use of the CARDIO PULMONARY BYPASS (CPB) system stimulates the immune system and hence its application should be limited.

Keywords


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