test and operation group

Captopril was given orally before and after operation only in the test group.

试验组于手术前、后口服captopril，对照组不服药，其它治疗措施两组相同。

The experiment group for 102 cases with 180 roots, applying root length surveyor test its working length, undertake root preparing and filling up, took X ray after operation;

实验组102颗牙180个根管，用根管长度测量仪测量其工作长度，进行根管预备和充填，术后拍片；

We process the data of normal group with independent sample t test, and operation group by paired t test. Results: All indexes were calculated the mean and standard deviation.

所得数据正常组采用独立样本t检验，手术组采用配对t检验。结果：所有指标均计算得出均值及标准差。

Method: By applying the King aim implement theory, patients of test group were given systematic intended psychological nursing care via adopting standardized supportive language before and during their operation of internal jugular vein catheter indwelling. While patients of control group did not provide any supportive language.

[方法]观察组应用King目标实现理论，在颈内静脉置管术前、术中采用规范化的支持语进行系统的有意识的心理护理，对照组不给予任何心理支持语。