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创伤性血气胸的急救与护理PPT

  • 2026-11-03 00:46:58
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创伤性血气胸指胸膜腔内同时积气、积血,多由胸部挤压伤、肋骨骨折、锐器伤等胸部外伤引发,分为气胸(闭合性、开放性、张力性)与血胸,常合并肋骨骨折、肺挫伤、创伤性湿肺等损伤,重点在于现场急救、院内救治与专科护理。

一、分类、临床表现与处理

(一)气胸

  1. 闭合性气胸
    • 小量气胸(肺萎陷<30%):大多无症状,气体 1‑2 周可自行吸收,无需特殊处置。
    • 中量(30%‑50%):行胸腔穿刺抽气,复查胸片。
    • 大量气胸(>50%):胸闷胸痛气促,气管向健侧移位,叩诊鼓音,呼吸音减弱;给予胸穿抽气或胸腔闭式引流,抗生素预防感染,X 线辅助诊断。
  2. 开放性气胸
    • 病理:胸壁创口连通外界,胸膜腔负压消失,发生纵隔扑动,静脉回流受阻、缺氧,严重可休克。
    • 表现:呼吸困难、发绀、颈静脉怒张,伤口可闻吸吮样声响。
    • 急救:立刻用凡士林纱布 + 棉垫封闭伤口,转为闭合性气胸,穿刺抽气减压后转运。入院后吸氧、抗休克,清创缝合胸壁,做胸腔闭式引流;怀疑内脏损伤、活动性出血需剖胸探查,使用抗生素防感染。
  3. 张力性气胸
    • 病理:肺 / 支气管裂口形成活瓣,胸腔压力持续升高,伤侧肺严重萎陷,纵隔向健侧移位,腔静脉回流障碍,可出现皮下、纵隔气肿。
    • 表现:极度呼吸困难、端坐呼吸、紫绀、烦躁大汗,甚至意识障碍;伤侧胸廓饱满,叩诊鼓音,呼吸音消失,胸穿可冲出高压气体,可伴循环衰竭。
    • 急救:伤侧锁骨中线第 2 肋间粗针头紧急穿刺排气,外接简易单向活瓣装置转运;院内放置胸腔闭式引流,使用抗生素。

(二)血胸(胸膜腔积血)

出血来源:肺组织裂伤、肋间 / 胸廓内血管破损、心脏大血管破裂。

  1. 分型与表现
    • 少量血胸(<500ml):多无症状,胸片仅肋膈窦消失。
    • 中量(500‑1500ml):面色苍白、呼吸困难、脉弱、血压下降,行胸腔闭式引流。
    • 大量血胸(>1500ml):严重呼吸循环障碍、休克,闭式引流,必要时开胸止血。
  2. 特殊类型血胸
    • 进行性血胸
      血压不稳;胸腔闭式引流每小时>200ml,持续 3h;血红蛋白、红细胞持续下降;引流血液接近外周血且快速凝固,需剖胸探查止血。
    • 凝固性血胸
      出血凝固形成血块,病情稳定后尽早手术清除血块、剥除纤维包膜。
    • 感染性血胸
      畏寒发热;积血化验红白细胞比例 100:1,细菌培养阳性;加强引流,效果差则手术清除感染组织,防止发展为脓胸。

(三)各类合并损伤处理

  1. 闭合性血气胸
    少量积血积气可观察,3‑5 天复查胸片;中量及以上做胸腔穿刺或闭式引流。
  2. 开放性血气胸
    无菌敷料封闭胸壁伤口,再穿刺减压;抗休克、清创缝合、胸腔闭式引流。
  3. 多根多处肋骨骨折(连枷胸)
    出现反常呼吸、纵隔摆动,诱发休克。小范围胸壁软化用加压包扎固定;大块软化行巾钳牵引固定(重量 2‑3kg,1‑2 周)或胸壁外支架;错位严重者行肋骨内固定;配合止痛、肋间神经封闭。
  4. 合并肺挫伤
    轻型无需特殊处理;重型易发生呼吸衰竭,及时机械通气;合理补液,维持液体负平衡。
  5. 合并创伤性湿肺
    肺挫伤水肿致低氧血症;胸腔闭式引流、抗炎、止血,糖皮质激素、白蛋白减轻肺水肿;严重低氧行正压通气;未引流气胸禁止正压通气,避免加重病情。

二、现场急救原则

  1. 危及生命者现场建立气道,必要时胸腔闭式引流;
  2. 开放性胸部损伤,无菌敷料封闭包扎伤口;
  3. 高度怀疑张力性气胸,伤侧锁骨中线第 2 肋间穿刺排气减压;
  4. 胸壁软化反常呼吸,敷料 / 沙袋加压软化胸壁;
  5. 胸骨骨折采取过伸仰卧位搬运;心前区穿透伤鲜血外溢不包扎伤口;
  6. 伤情不明一律禁食;肋骨骨折剧痛可行断端封闭或肋间神经阻滞。

三、急诊室急救与护理要点

  1. 抢救准备与搬运
    备好穿刺包、引流瓶、吸氧、抢救药品;搬运动作轻柔,胸带固定胸部。
  2. 循环支持
    建立 2 条静脉通路,快速补液输血;必要时中心静脉压监测。
  3. 病情监测
    每 15‑30 分钟监测脉搏、呼吸、血压;休克取平卧位,血压稳定后改半卧位,利于胸腔引流。留置导尿,监测尿量。
  4. 维持呼吸道通畅
    清除气道分泌物,湿化吸氧;雾化吸入;鼓励咳嗽排痰,拍背辅助,咳嗽时按压胸壁减轻疼痛;遵医嘱镇痛。
  5. 胸腔闭式引流护理
    • 保持管路通畅,每 2 小时挤压管道;观察引流液颜色、性质、量;单次引流不超 800ml,防止纵隔移位。
    • 警惕活动性出血:每小时引流量>200‑300ml 持续 3h,血液迅速凝固,及时报告医生。
    • 观察漏气:持续大量漏气提示支气管 / 肺破裂;无气泡逸出、水柱波动小、呼吸音恢复良好可评估拔管。
  6. 遵医嘱使用抗生素预防胸腔、肺部感染。

四、剖胸探查手术指征

出现以下情况需要剖胸探查:①进行性血胸;②胸腔引流后持续大量漏气、呼吸困难;③胸内大异物;④心脏、大血管、气管支气管、食管、膈肌损伤;⑤胸腹联合伤;⑥广泛肺裂伤出血等。

五、严重胸部创伤主要临床表现

休克、呼吸困难、咯血、皮下 / 纵隔气肿、胸廓畸形、特征性胸部伤口。早期处理重点:纠正呼吸循环障碍,处理开放伤口,控制反常呼吸,识别气管、食管、膈肌等隐匿损伤。

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  1. CONNECT:[ UseTime:0.000617s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000844s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000463s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000330s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000558s ]
  6. SELECT * FROM `set` [ RunTime:0.000277s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000604s ]
  8. SELECT * FROM `article` WHERE `id` = 569589 LIMIT 1 [ RunTime:0.000485s ]
  9. UPDATE `article` SET `lasttime` = 1794141321 WHERE `id` = 569589 [ RunTime:0.001374s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000323s ]
  11. SELECT * FROM `article` WHERE `id` < 569589 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000420s ]
  12. SELECT * FROM `article` WHERE `id` > 569589 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000383s ]
  13. SELECT * FROM `article` WHERE `id` < 569589 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000507s ]
  14. SELECT * FROM `article` WHERE `id` < 569589 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000455s ]
  15. SELECT * FROM `article` WHERE `id` < 569589 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000538s ]
0.094614s