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静脉输液药物外渗预防与规范化管理【PPT】

  • 2026-11-10 01:47:38
静脉输液药物外渗预防与规范化管理【PPT】
ICU那个去甲肾上腺素外渗的病例,手背苍白、冰冷、紫绀。立即停止,湿敷,酚妥拉明封闭,热敷加抬高患肢。2小时皮温回升,24小时肤色正常。最后没植皮,愈合了。这个病例把处理原则基本串了一遍。
外渗和渗出,一字之差。渗出,非腐蚀性药物或溶液进入血管周围组织,水肿、疼痛,一般不坏死。外渗,腐蚀性、发疱性药物进入血管周围组织,严重组织损伤、不可逆坏死,甚至植皮或截肢。约10%到30%的化疗外渗会导致组织坏死。这不是小事。
INS严重程度分级,0级无临床症状。1级皮肤发白、凉,水肿范围小于2.5厘米。2级水肿2.5到15厘米。3级水肿大于15厘米,皮肤半透明,可能有痛感。4级皮肤紧绷、变色、淤斑、水疱、剧痛。血制品渗出,一律按4级。
药物理化性质是血管的隐形杀手。正常血浆pH 7.35到7.45,强酸性小于4.1,环丙沙星、万古霉素、多巴胺。强碱性大于9.0,苯妥英钠、碳酸氢钠。机制是干扰内膜代谢,化学性静脉炎。正常血浆渗透压280到295 mOsm/L,高渗危象大于600,20%甘露醇、50%葡萄糖、TPN。机制是吸取内皮水分,细胞脱水萎缩,血管壁分离。
发疱剂,外渗后引起严重组织坏死、起疱。DNA结合类极度危险,药物结合组织DNA,不被代谢,坏死范围持续扩大。代表药蒽环类,阿霉素、表阿霉素、柔红霉素。非DNA结合类,植物碱类,长春新碱、长春地辛。
强刺激剂,引起注射部位灼伤感、炎症,但极少导致坏死。氯化钾高浓度必痛,需严格控制浓度和速度。胺碘酮极易引起静脉炎。还有葡萄糖酸钙、丙泊酚。
血管活性药,机制不是化学腐蚀,是局部血管强烈收缩。后果是局部组织严重缺血、缺氧,坏死。代表药多巴胺、去甲肾上腺素、垂体后叶素。一旦外渗,立即评估是否使用血管扩张剂,比如酚妥拉明。
血管选择有避雷区。黄金原则,首选前臂粗、直、弹性好的静脉。手背、手腕,皮下组织少,肌腱神经丰富。关节处,活动导致移位。患侧肢体,比如乳癌术后患侧、偏瘫侧。下肢静脉,血流慢,易栓塞,成人尽量避免。
工具选择,钢针零容忍。短期输液用密闭式留置针,22G或24G,原则是细针粗血管。长期、化疗、高渗药,PICC、CVC、输液港是金标准。
穿刺固定,避免贯穿伤,防止刺破血管后壁。避开静脉瓣。必须使用透明敷贴,针眼对准敷贴中央。严禁胶布直接覆盖穿刺点,必须时刻能观察到红肿情况。
输液顺序,先难后易。第一步输高渗、刺激性强药物,此时血管弹性最好,耐受力最强。第二步输等渗、非刺激性药物。脉冲式冲管,生理盐水,减少化学反应。
巡视和宣教。听,患者主诉痛、烧、胀,立即停止。宁信其有,不信其无。看,观察穿刺点有无红肿、苍白、渗液。巡视频率,一般药物每1到2小时,发疱剂、升压药每15到30分钟,或床旁陪护。
有回血等于没外渗?这是误区。针头斜面可能一半在血管里,一半在血管外。抽吸可见回血,但推注药液时会有部分漏到皮下。回血不是唯一标准,必须结合局部外观和患者主诉综合判断。
发生外渗,别急着拔针。减少组织内药量是减轻损伤的关键。错误操作,发现肿胀,惊慌拔针,按压,后果是药液残留皮下。正确操作,分离输液管,接5毫升空针,尽量回抽外渗的药液、血液及皮下渗液。部分化疗药需保留针头注入解毒剂后再拔针。遵循STOP原则,先做O,回抽药物和血液。后续评估性质,冷敷或热敷,局部封闭,抬高患肢。
冷热敷,敷错了后果很严重。热敷,血管扩张,散开来,促进代谢或对抗血管痉挛。冷敷,血管收缩,关起来,限制毒性扩散。决策依据是药物的药理机制,严禁搞反。阿霉素热敷等于加速坏死。
喜冷怕热派,蒽环类化疗药,阿霉素、表阿霉素、柔红霉素。抗生素,万古霉素。高渗液,TPN初期。原理是降低细胞代谢,减慢毒素对DNA的破坏。操作,冰袋间歇冷敷24小时,每次15到20分钟。
喜热怕冷派,植物碱类化疗药,长春新碱、长春地辛。血管收缩药,多巴胺、去甲肾上腺素。冷敷会加重毒性,需热敷加速代谢或对抗血管痉挛。
硫酸镁不是万能的。外渗初期24小时内不推荐。原因,结晶加重组织压迫。风险,冷湿敷可能加重某些药物如长春新碱的毒性。正确适用场景是后期消肿。推荐替代品,水胶体敷料、喜疗妥、如意金黄散。
水疱处理。小水疱小于2厘米,保持完整,自然吸收,表面贴水胶体敷料保护。大水疱大于2厘米,无菌消毒,细针抽吸,保留疱皮作为生物敷料,泡沫敷料覆盖。严禁直接剪掉疱皮。
局部封闭,目的是稀释药物浓度、阻断神经传导、止痛。配方,利多卡因加地塞米松加生理盐水。
多巴胺外渗的克星是酚妥拉明。适用多巴胺、去甲肾上腺素、垂体后叶素。配方,5到10毫克加生理盐水10到15毫升。方式,局部湿敷或封闭。效果,立竿见影,苍白皮肤迅速转红。机制是α受体阻滞剂,血管扩张,恢复血供。
透明质酸酶,组织的松解剂。适用长春新碱、造影剂、高渗液。机制,分解透明质酸,增加组织通透性,加速药液扩散吸收。方式,皮下多点注射。目的,防止药液积聚导致的组织坏死。
护理记录必须包含6要素。Site,部位,穿刺部位,建议拍照归档。Education,教育,患者主诉与宣教内容。Drug,药物,名称、浓度、剂量。Action,措施,回抽量、冷热敷、解毒剂使用情况。Time,时间,发生确切时间。Scope,范围,测量长宽,厘米乘厘米。写清楚,防纠纷。
回到那个ICU病例。去甲肾上腺素外渗,手背苍白、冰冷、紫绀。立即停止,湿敷,酚妥拉明封闭,热敷,抬高患肢。2小时皮温回升,24小时肤色正常。避免植皮,完好愈合。
防大于治。选好血管,拒用钢针。分清冷热敷,阿霉素冷,长春新碱热。善用STOP原则与解毒剂,酚妥拉明、透明质酸酶。每一个针孔背后,都是患者对我们的信任。用专业知识,将腐蚀化为抚慰。让静脉治疗更安全、更专业。守护生命通路。
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  1. CONNECT:[ UseTime:0.000481s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000811s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000438s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000374s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000594s ]
  6. SELECT * FROM `set` [ RunTime:0.000343s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000635s ]
  8. SELECT * FROM `article` WHERE `id` = 564124 LIMIT 1 [ RunTime:0.000419s ]
  9. UPDATE `article` SET `lasttime` = 1794268940 WHERE `id` = 564124 [ RunTime:0.001270s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000379s ]
  11. SELECT * FROM `article` WHERE `id` < 564124 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000473s ]
  12. SELECT * FROM `article` WHERE `id` > 564124 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000479s ]
  13. SELECT * FROM `article` WHERE `id` < 564124 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000815s ]
  14. SELECT * FROM `article` WHERE `id` < 564124 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000508s ]
  15. SELECT * FROM `article` WHERE `id` < 564124 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000539s ]
0.089714s