Objective To discuss genesic mechanism of trachea arteria anonyma fistula after tracheotomy.

目探讨气管切开术后并发气管无名发生机理。

In these patients, 24 cases were supplied blood by the arteria colica media and 27 cases by the arteria colica sinistra.

以结肠中供血血管24例，以左结肠供血血管27例。

Objective To compare the uterogestation of endametrium alteration and uterine arteria blood flow with ectopic pregnancy using color Doppler ultrasonography.

目彩超对内早孕子内膜改变和子血流测值与异位妊娠进行比较。

Objective To compare the successful rate of two methods of arterial puncture of cephalic arteria and arteria femoralis for blood gas analysis.

目比较头皮穿刺和股穿刺两种方法采血进行血气分析检查穿刺成功率。

Methods Analyze the anatomy relation of the trachea and the arteria anonyma and the main reasons of trachea arteria anonyma fistula in clinical through the case.

方法结合案例对气管与无名解剖学关系和临床上气管无名主要原因进行分析。