Clinical Focus ›› 2023, Vol. 38 ›› Issue (2): 175-180.doi: 10.3969/j.issn.1004-583X.2023.02.014
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Received:2022-08-22Online:2023-02-20Published:2023-03-31
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URL: https://huicui.hebmu.edu.cn/EN/10.3969/j.issn.1004-583X.2023.02.014
| 肺部超声表现 | 定义 | 临床意义 |
|---|---|---|
| 全肺A表现 | 全肺胸膜滑动征正常+A模式 | 正常通气的肺;气道可能有或无问题 |
| 局部A’表现 | 某区域胸膜滑动征消失+A模式 | 气胸、胸膜黏连、气管插管插入对侧等 |
| 超声肺间质综合征 | 非重力依赖区2个及2个以上对称区域B模式 | 肺间质病变或肺水肿 |
| 局限的B表现 | 检查区域非对称B模式 | 检查区域肺充气减少,为局部炎症或损伤 |
| C1表现 | 胸膜下肺小叶完全失充气,即“碎片征” | 检查区域肺小叶实变 |
| C2表现 | 大片实变,实质回声混杂不均匀,动态支气管征象较多或伴碎片征;胸水较少(液性暗区小于3 cm) | 肺内空气被液体所替代,且累及区域达到胸壁或膈肌,实变较大,多为感染或大量吸入所致 |
| C3表现 | 肺组织容积明显减少,回声相对均一,类似肝脏回声(肝样变),外缘胸膜光滑,胸水量多,肺组织呈水母征,支气管气象早期明显,后期不明显 | 大量胸腔积液,压迫肺不张 |
| C4表现 | 肺组织容积减少相对较轻,回声相对均一,类似肝脏回声(肝样变),胸水量少,支气管征很少或无动态支气管征 | 大片肺不张,多为气道阻塞(如大中气道非炎性充填)所致,且病变时间较长者多见 |
| C+超声肺间质综合征 | 定义同上组合。C模式可为C1到C4的任何一种 |
| 肺部超声表现 | 定义 | 临床意义 |
|---|---|---|
| 全肺A表现 | 全肺胸膜滑动征正常+A模式 | 正常通气的肺;气道可能有或无问题 |
| 局部A’表现 | 某区域胸膜滑动征消失+A模式 | 气胸、胸膜黏连、气管插管插入对侧等 |
| 超声肺间质综合征 | 非重力依赖区2个及2个以上对称区域B模式 | 肺间质病变或肺水肿 |
| 局限的B表现 | 检查区域非对称B模式 | 检查区域肺充气减少,为局部炎症或损伤 |
| C1表现 | 胸膜下肺小叶完全失充气,即“碎片征” | 检查区域肺小叶实变 |
| C2表现 | 大片实变,实质回声混杂不均匀,动态支气管征象较多或伴碎片征;胸水较少(液性暗区小于3 cm) | 肺内空气被液体所替代,且累及区域达到胸壁或膈肌,实变较大,多为感染或大量吸入所致 |
| C3表现 | 肺组织容积明显减少,回声相对均一,类似肝脏回声(肝样变),外缘胸膜光滑,胸水量多,肺组织呈水母征,支气管气象早期明显,后期不明显 | 大量胸腔积液,压迫肺不张 |
| C4表现 | 肺组织容积减少相对较轻,回声相对均一,类似肝脏回声(肝样变),胸水量少,支气管征很少或无动态支气管征 | 大片肺不张,多为气道阻塞(如大中气道非炎性充填)所致,且病变时间较长者多见 |
| C+超声肺间质综合征 | 定义同上组合。C模式可为C1到C4的任何一种 |
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