Journal
EXPERIMENTAL AND THERAPEUTIC MEDICINE
Volume 20, Issue 6, Pages -Publisher
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2020.9380
Keywords
dexmedetomidine; off-pump coronary-artery bypass grafting; hemodynamic changes; inflammatory responses
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Funding
- program of '131' Innovative Talent Team from the Tianjin Talent Working Group of China
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The aim of the present study was to determine the effect of dexmedetomidine on hemodynamic changes and inflammatory responses in patients undergoing off-pump coronary artery bypass grafting (OPCABG). A total of 300 patients about to receive OPCABG were randomized evenly into the control group (n=116) and study group (n=123). Intravenous dexmedetomidine pump infusion was administered to patients in the study group at a rate of 0.4 mu g.kg(-1).h(-1). The control group received physiological saline at the same infusion speed. Changes in hemodynamic parameters and inflammatory indices were compared between the two groups. Hemodynamic parameters, such as the heart rate and mean arterial pressure, were lower in patients from the study group, compared with that in the control group (both P < 0.05). The levels of pro-inflammatory factors, such as interleukin (IL)-6, tumor necrosis factor-alpha and C-reactive protein, were also reduced in the study group (P < 0.05). The observed levels of IL-10 were lower in the control group compared with that in the study group, although a statistically significant difference was not achieved. Thus, the administration of dexmedetomidine in patients undergoing OPCABG stabilized hemodynamics and reduced inflammation. The present study was registered at the Chinese Clinical Trial Registry, under the trial registration number ChiCTR-OOC-15005978 (2015).
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