[Effect of dihydroartemisinin supplementation on inflammation and lipid metabolism induced by lipopolysaccharide in liver of weaned piglets].

To study the effect of dihydroartemisinin(DHA) on hepatic inflammation and lipid metabolism in weaned piglets, a liver injury model of weaned piglets was established by lipopolysaccharide(LPS)-induced method. In this study, 30 healthy weaned piglets were selected and randomly divided into control group(CON), model group(LPS) and treatment group(LD, LPS+DHA), with 10 in each group. The CON group and the LPS group were fed with a basal diet, and the LD group was fed with a basal diet+80 mg·kg~(-1) DHA.

Esophageal variceal pressure influence on the effect of ligation.

Aim: To explore the effect of in vitro porcine esophageal variceal pressure on complete ligation degree for polycyclic ligators.

Methods: An in vitro model of experimental porcine venous vessels was used to test various venous pressures. Three treatment groups were designated according to the preset pressure range: P1 = 25-30 cmH₂O; P₂ = 35-40 cmH₂O; P₃ = 45-50 cmH2O.

[Coronary artery and myocardium lesion comparison post atrioventricular ring radiofrequency catheter ablation with different catheters].

Objective: To analyze the extent of myocardium and coronary artery lesion post atrioventricular ring radiofrequency catheter ablation with different tip catheters.

Methods: Twenty-one healthy dogs were randomly divided into 64 degrees C/50 W/100 s, 64 degrees C/100 W/100 s, 45 degrees C/45 W/100 s groups and ablated by 4 mm tip catheter, 8 mm tip catheter and irrigated tip catheter respectively. Left atrioventricular ring and right atrioventricular ring ablation were performed in all dogs.