当前位置:首页>PPT>【临床指南|PPT】床旁超声指导新生儿经外周静脉置入中心静脉穿刺术临床实践指南(2026)

【临床指南|PPT】床旁超声指导新生儿经外周静脉置入中心静脉穿刺术临床实践指南(2026)

  • 2026-05-14 13:04:14
【临床指南|PPT】床旁超声指导新生儿经外周静脉置入中心静脉穿刺术临床实践指南(2026)
  • 本文基于《床旁超声指导新生儿经外周静脉置入中心静脉穿刺术临床实践指南 (2026)》;
  • 系统梳理PICC置管前血管选择、置管过程中超声引导定位、置管后动态监测及疑难问题解决等关键技术;
  • 👇 临床生产力支持:共计51页标准化指南课件。  🤝同行交流:请点击公众号底部菜单栏【联系我】,同步本篇指南的全套学术底稿。本内容由 moremoregogo® 人工校对编辑。

【推荐意见】

1.推荐在超声引导下进行PICC置管,而非仅以血管体表解剖标志为基础置入导管。

2.推荐使用高频线阵、高频凸阵或高频相控阵探头。

3.推荐在置管前使用超声评估血管走行情况、识别是否存在血管结构异常,以及在穿刺点附近是否存在需要避开的潜在结构(如动脉、神经等)。

4.推荐置管时使用导管-静脉比值<1/3的血管。

5.推荐上肢静脉置管宜选择贵要静脉,因贵要静脉与腋静脉之间无夹角,导管易于通过。

6.推荐下肢静脉置管首选大隐静脉(GSV),采用以下步骤和方法。

  • (1)获得GSV与股静脉(FV)连接的长轴切面:患儿平卧位,下肢外展45°,将探头置于腹股沟处并左右微调,获得GSV汇入FV的长轴切面。

  • (2)测量GSV与FV间夹角:使用灰阶模式获得GSV汇入FV的长轴切面后,可进一步借助彩色多普勒超声验证GSV和FV走行,清晰显示其夹角,并进行测量。

  • (3)选择置管静脉:选择GSV与FV间角度较小一侧肢体的GSV置管。

7.推荐在置管前先用超声识别导管尖端理想位置,然后测量目标血管解剖走行在体表投影的长度作为置管参考长度。

8.推荐在置管过程中,实时进行导管尖端导航,当导管送至预估长度后进行实时超声监测。

  • (1)如超声显示导管尖端位置理想,即可固定导管;

  • (2)如遇导管尖端位置过深或过浅,需在实时超声下加以矫正;

  • (3)如遇导管打折或异位,则在超声可视化下将导管退至一定刻度,在实时超声引导下再次将导管送入,直至导管尖端达到理想位置。

9.当置入导管长度已达预测长度,能够顺利抽出血液且导管冲洗通畅无阻力感时,提示导管尖端位置可能正确,推荐进一步行超声监测确认。

10.推荐PICC导管尖端最佳位置为位于距右心房不超过0.5cm的上腔或下腔静脉内。

11.推荐置管后使用超声对导管尖端进行定位,如超声显示导管尖端位置正确,则无需再进行X线成像;反之,需在超声引导下重新进行调整。

12.推荐必要时快速注入少量生理盐水,于超声下观察湍流信号协助判断导管尖端所在位置。

13.推荐上肢静脉置管导管尖端超声定位采取以下操作方法。

  • (1)获取无名静脉汇入上腔静脉连接处切面:患儿平卧位,探头置于胸骨上窝处,与胸壁垂直,并稍向右侧偏转探头,即可显示无名静脉汇入上腔静脉连接处切面。

  • (2)获取上腔静脉入右心房连接处切面:患儿平卧位,上肢外展45°,探头纵向放置于胸骨柄处,与胸壁垂直获取心脏短轴切面,然后稍向右侧偏转探头,即可获取上腔静脉汇入右心房连接处切面,进而可以测量PICC导管尖端至右心房入口处距离。

14.推荐下肢静脉置管导管尖端超声定位采取以下操作方法。

  • (1)获取下腔静脉与腹主动脉平行切面:患儿平卧位,探头置于右侧近腋中线处,上界与第8~10肋平齐,与肋骨垂直进行扫描,必要时可稍向前或向后移动或偏转探头方向,即可获得下腔静脉和腹主动脉平行切面,确认导管在下腔静脉内。

  • (2)获取下腔静脉汇入右心房切面:患儿平卧位,下肢外展45°,探头置于剑突下,与胸壁垂直获取左肝正中矢状切面,然后稍向右侧偏转探头,即可获取下腔静脉汇入右心房切面,进而测得PICC导管尖端至右心房入口处距离。

15.推荐当在置管过程中遇到送管困难时,在超声实时监测下引导导管置入。

16.推荐当存在下腔静脉变异时,采取以下策略。

  • (1)更换血管置管。

  • (2)将患儿体位调整为侧卧位,在实时超声引导下送管;必要时可联合无菌生理盐水脉冲式冲管。

17.推荐当肺水肿较重或腹部气体较多时,导管尖端超声定位采取以下操作方法。

  • (1)经上腔静脉置管时,如肺水肿较重使导管显示不清,将探头置于左锁骨下方,与胸壁垂直进行纵向扫查,必要时沿顺时针方向稍旋转或稍向右侧偏转探头,即可获取上腔静脉汇入右心房切面。

  • (2)经下腔静脉置管时,如腹部气体较多使导管显示不清,可将探头置于剑突右侧肋缘下并稍向右偏转探头,即可获取下腔静脉汇入右心房切面,进而测得PICC导管尖端至右心房入口处距离。

18.推荐在PICC置管完成后,用无菌透明敷料联合弹性医用胶带固定导管体外部分。

19.推荐在置管后48h内进行首次复查,以后至少每周复查一次;并在拔除导管前常规超声监测。

20.推荐在疑有导管相关并发症时,随时进行超声监测。

21.推荐操作者在实施该技术前首先接受培训,在导师指导下完成模型模拟操作和临床操作训练。

22.推荐建立资质认证和质量改进制度。

  • (1)操作者应首先取得PICC置管资质,并在实施该技术前通过超声技术培训;

  • (2)建立质量指标、不良事件动态监测报告和持续改进制度。


📑本课件参考来源(便于进一步查阅)

床旁超声指导新生儿经外周静脉置入中心静脉穿刺术临床实践指南 (2026)

亚太卫生健康协会儿科医学分会;亚欧儿童新生儿重症超声研究会; 北京整合医学学会新生儿重症医学分会;《中国当代儿科杂志》编辑部。

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📌 声明:本文内容来源国家卫健委、中华医学会等官方指南/共识,仅供医学专业人员学术交流,不构成“在线诊疗”;如有疑似病症请及时就医,转载须保留完整声明及作者信息,不得修改核心医学内容。


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  1. CONNECT:[ UseTime:0.000611s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000788s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000325s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000317s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000525s ]
  6. SELECT * FROM `set` [ RunTime:0.000239s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000561s ]
  8. SELECT * FROM `article` WHERE `id` = 509989 LIMIT 1 [ RunTime:0.000501s ]
  9. UPDATE `article` SET `lasttime` = 1778993347 WHERE `id` = 509989 [ RunTime:0.000767s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000263s ]
  11. SELECT * FROM `article` WHERE `id` < 509989 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000480s ]
  12. SELECT * FROM `article` WHERE `id` > 509989 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000445s ]
  13. SELECT * FROM `article` WHERE `id` < 509989 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000661s ]
  14. SELECT * FROM `article` WHERE `id` < 509989 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000830s ]
  15. SELECT * FROM `article` WHERE `id` < 509989 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000787s ]
0.074536s