• Journal of anesthesia · Feb 2012

    Randomized Controlled Trial

    Effects of sevoflurane and propofol on pulmonary inflammatory responses during lung resection.

    • Yusuke Sugasawa, Keisuke Yamaguchi, Seiichiro Kumakura, Taisuke Murakami, Kenji Suzuki, Isao Nagaoka, and Eiichi Inada.
    • Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan. ysugasa@juntendo.ac.jp
    • J Anesth. 2012 Feb 1; 26 (1): 62-9.

    PurposePulmonary inflammatory reactions are affected by one-lung ventilation (OLV) and anesthetic agents. However, the effects of anesthetic agents on pulmonary inflammatory reactions may vary. Our previous investigations suggested that inflammatory reactions were more pronounced in the dependent lung during lung resection under general anesthesia with propofol and remifentanil. Therefore, in the present study we attempted to determine the difference in pulmonary inflammatory reaction using either sevoflurane or propofol in both dependent and nondependent lungs during OLV.MethodsForty adult patients undergoing elective lung resection were randomized to receive either propofol (n = 20) or sevoflurane (n = 20) as the main anesthetic agent. Intraoperative analgesia was provided by remifentanil in both groups. Epithelial lining fluid (ELF) was obtained from each lung using a bronchoscopic microsampling method. ELF and plasma levels of inflammatory cytokines were measured using multiplexed bead-based immunoassays before and after OLV.ResultsEpithelial lining fluid levels of interleukin (IL)-1β, IL-6, and IL-8 were significantly increased in the dependent lung and the nondependent lung after OLV compared with baseline levels (P < 0.05). Moreover, IL-6 ELF level in the dependent lung was significantly higher in the propofol group than in the sevoflurane group after OLV (P < 0.001).ConclusionOne-lung ventilation induced inflammatory responses of the bronchial epithelia in the dependent lung and the nondependent lung during lung resection. Moreover, this inflammatory response was significantly suppressed by sevoflurane compared with propofol. Furthermore, the antiinflammatory effect of sevoflurane was more pronounced in the dependent lung than in the nondependent lung during OLV.

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