本院自１９９８年４月～１９９９年１２月收治颈内动脉系统脑出血，出血量＞３０ｍｌ，并行微创钻孔引流术３２例，同时另有３０例出血量＞３０ｍｌ，随机或因各种原因未能行引流术作内科保守治疗，观察两种治疗方法的结果，现报告如下：１临床资料１．１一般资料引流组３２例? Hospital from April 1998 to December 1999 admitted to the internal carotid artery cerebral hemorrhage, bleeding> 30ml, parallel minimally invasive drilling drainage in 32 cases, while another 30 cases of bleeding> 30ml, random or due to a variety of Reason failed to line drainage for medical conservative treatment, the results of the two treatment methods are reported as follows: 1 Clinical data 1.1 General Information drainage group of 32 patients?