• 1. Department of Cardiovascular Surgery, General Hospital of Chengdu Military Region, Chengdu 610083, P. R. China;
  • 2. Department of Hyperbaric Oxygen, General Hospital of Chengdu Military Region, Chengdu 610083, P. R. China;
  • 3. Central Laboratory, General Hospital of Chengdu Military Region, Chengdu 610083, P. R. China;
  • 4. Department of Cardiac Surgery, Kanghua Hospital Dongguan, Dongguan 523080 Guangdong, P. R. China;
HEChun-yang, Email: chyh42@126.com
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Objective To observe the effect of preoperative hyperbaric oxygen (HBO) pretreatment on systemic inflammatory response after extracorporeal circulation. Methods A total of 30 patients who were going to receive mitral or aortic valve replacement were randomly allocated into a control group (group C, n=15) and a pretreatment group (group P, n=15).Three sessions of HBO pretreatments were given to the patients in the group P before operation. The changes of serum concentration of inflammatory factors including tumor necrosis factor (TNF)-α, interleukin (IL)-6, IL-10, P-selectin, intercellular adhesion molecule (ICAM)-1, heat shock protein (HSP)-70 between the two groups were compared at four time points:before incision of skin (T1), 30 min after ECC(T2), 1 h (T3) and 24 h (T4) after the end of ECC. Results There was no statistical difference in the serum concentration of IL-6,TNF-α, P-selectin, ICAM-1, IL-10, and HSP-70 at T1 between the two groups (P>0.05). The level of all inflammatory factors ascended in first and descended at last in both groups, which reached a peak at T3 and descended at T4. But the serum concentration at T4 was still higher than the level at T1 (P<0.05). There was a statistical difference in serum level of HSP-70 between T4 and T1 (373.3±96.7 pg/ml vs. 316.3±55.5 pg/ml, P<0.05). There were statistical differences in serum concentration of IL-6 (141.5±25.9 pg/ml vs. 119.2±31.8 pg/ml), HSP-70 (449.8±48.3 pg/ml vs. 373.3±96.7 pg/ml), and IL-10 (64.2±8.2 pg/ml vs. 90.3±14.2 pg/ml) between the group C and the group P at T4 (P<0.05). There was no statistical difference between the two groups in postoperative ICU stay time and thoracic drainage. While time of postoperative ventilation in the group P was shorter than that in the group C with a statistical difference (11.4±5.6 days vs. 15.8±5.1 days, P<0.05). Conclusion Hyperbaric oxygen pretreatment before operation can abate the bad inflammatory response after heart valve replacement surgery to some extent and strengthen the anti-inflammatory protection, thereby favoring the reduction in postoperative complications.

Citation: WUFan, ZHOUKai, GAOFeng, ZHANGJin-bao, FUXi, GUOXin, HEChun-yang. Effect of Hyperbaric Oxygen Pretreatment on Systemic Inflammatory Response after Extracorporeal Circulation. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2015, 22(11): 1022-1025. doi: 10.7507/1007-4848.20150254 Copy

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