Group received cecal ligation and punctures hr before normal saline was perfused into gastral cavity once a day;
Group received cecal ligation and punctures hr before normal saline was perfused into gastral cavity once a day;
第一组：行盲肠结扎和穿孔(Cecal ligation and punctures，CLP)后hr以生理盐水灌胃，以后次／天。