作者用141只新西兰兔探讨了口腔链球菌感染与心脏损害的关系,每只体重2—3kg,用60一90mg戊巴比妥钠自耳静脉注入,于颈部作一长约4cm之纵形切口,暴露右侧颈动脉,于动脉表面切一小口把聚乙烯导管插入,深达9cm,直抵主动脉瓣区(此时可感到心搏),导管固定结扎于动脉上。用二种细 The authors used 141 New Zealand rabbits to investigate the relationship between oral streptococcal infection and cardiac damage, weighing 2-3 kg each, with 60 to 90 mg of sodium pentobarbital injected from the ear vein and a longitudinal length of about 4 cm on the neck Incision, exposing the right carotid artery, cut a small port on the surface of the artery to insert a polyethylene catheter, up to 9cm, up to the aortic valve area (at this time can feel asystole), catheter fixed ligation in the artery. With two kinds of fine