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1.
The Journal of Clinical Anesthesiology ; (12): 1221-1223, 2015.
Artículo en Chino | WPRIM | ID: wpr-485025

RESUMEN

Objective To observe the effects of propofol and etomidate on inflammation and ox-idative stress in septic mice.Methods Sixty-four male adult BALB/c mice were randomly divided into four groups:normal control group (N),sepsis group (S),propofol treatment group (P)and etomid-ate treatment group (E).The septic mice model was established by lipopolysaccharide (LPS,20 mg/kg)intraperitoneal injection,and propofol (60 mg/kg)or etomidate (10 mg/kg)was injected in the abdominal cavity at 0.5 h after LPS injection.Serum interleukin-6 (IL-6)concentrations and in-terleukin-10 (IL-10)concentrations were measured at 2 h and 6 h after LPS injection;malondialde-hyde (MDA)content of lung,liver and kidney tissue was measured at 6 h after LPS injection. Results Compared with group N,serum IL-6 concentrations increased significantly (P <0.05),and IL-10 concentrations decreased significantly (P <0.05)at 2 h and 6 h after LPS injection in group S;MDA content of lung,liver,kidney increased significantly (P <0.05 )at 6 h after LPS injection in group S;Compared with group S,serum IL-6 concentrations decreased significantly (P <0.05),and IL-10 concentrations increased significantly (P < 0.05 )at 2 h and 6 h after LPS injection in both group P and E;MDA content of lung,liver,kidney decreased significantly (P <0.05 )at 6 h after LPS injection in group E,but only MDA content of lung decreased significantly (P <0.05)at 6 h af-ter LPS injection in group P;Compared with group P,serum IL-6 concentrations was significantly lower (P <0.05),and IL-10 concentrations was significantly higher (P <0.05)at 2 h and 6 h after LPS injection in group E;MDA content of lung,liver,kidney was significantly lower (P <0.05)at 6 h after LPS injection in group E.Conclusion Both propofol and etomidate injected in the abdominal cavity can reduce injury of inflammatory and oxidative stress in septic mice induced by LPS,and the effect of etomidate is more significant.

2.
Military Medical Sciences ; (12): 941-943, 2015.
Artículo en Chino | WPRIM | ID: wpr-483878

RESUMEN

Objective To observe the effect of dexmedetomidine on inflammation, oxidative stress and lung injury in lipopolysaccharide( LPS)-induced septic mice.Methods Forty eight male adult BALB/c mice were randomly divided into three groups (n=16): normal control group (Ctrl), sepsis group (Sep), and Dex group.Ae septic mice model was established by LPS 20 mg/kg,and Dex 30μg/kg injected intraperitoneally at 0.5 h after LPS injection.The concentrations of serum IL-6 and IL-10 were detected at 2 h and 6 h after LPS injection while myeloperoxidase ( MPO ) activity and malondialdehyde( MDA) content of lungs were detected and weight dry ratio ( W/D) of lungs was calculated at 6 h after LPS injection.Pathological changes were observed in left lung HE stained with optical microscopy at 6 h after LPS injection. Results Compared with Sep group, the concentrations of serum IL-6 decreased significantly(P <0.05), while the concentrations of IL-10 increased significantly(P<0.05) at 2 h and 6 h after LPS injection in Dex group.MPO activity, MDA content and W/D of lungs decreased significantly(P<0.05) at 6 h after LPS injection in Dex group.The injury to the lung was lightened significantly under optical microscopy in Dex group.Conclusion Dex protects against LPS-induced ALI in septic mice by inhibiting systemic inflammatory response, reducing lung tissue inflammatory infiltration and oxidative stress.

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