Results: According to pathways, 54 cases of subclavian vein Paracentesis were proceed to superior pathway, other were infra-pathway.

• 按其穿刺入路分为上入路组和下入路组，结合病例特点进行分析；按目的不同分为“透析组”和“非透析组”，结合操作方法进行分析。