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肺エコー
肺エコーの手法と文献を提示する
臨床的に肺炎を疑う場合に考慮
プローベの選択
Linear probe 6-12MHz、Convex 2-6.6MHz
時間は大体7分程度、長くても10分程度。
Findings - Normal lung
CHEST 2016; 150(1):131-138
 A lineは正常でも見ら
れる所見。
 Pleural lineと並行で、
等間隔にでる。(胸膜
の影響によるアーチ
ファクト)
Findings - B line
CHEST 2016; 150(1):131-138
 B lineは正常でも見ら
れることもあるが基本
的には異常所見。
 Echo beamと並行に
commet and its
shadow としてみえる
 Diffuseであれば間質性
病変かもしれないが、
基本的には様々な炎症
を反映している。
Findings - Air Bronchogram
CHEST 2016; 150(1):131-138
 低輝度の領域に
commet
 周囲はB line を呈して
いる。
References
 Feasibility and Safety of Substituting Lung Ultrasonography for Chest Radiography When
Diagnosing Pneumonia in Children A Randomized Controlled Trial
CHEST 2016; 150(1):131-138
>>> 肺エコーを用いることで胸部レントゲンの撮影を38.8%減らせる。
 Lung ultrasound for the diagnosis of pneumonia in children: a meta-analysis. Pediatrics. 2015
Apr;135(4):714-22.
>>> 小児肺炎のMetaAnalysis、Sensitivity 96%[95%CI 94-97%]、Specificity 93%[95%CI 90-96%]、
positive LR 15.3[95%CI 6.6-35.3]、negative LR 0.06[95%CI 0.03-0.11]、AUC 0.98
Pediatrics. 2015 Apr;135(4):714-22.
References
 Current evidence supports LUS as an imaging
alternative for the diagnosis of childhood pneumonia.
Recommendations to train pediatricians on LUS for
diagnosis of pneumonia may have important
implications in different clinical settings.

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Lung echo

  • 3. プローベの選択 Linear probe 6-12MHz、Convex 2-6.6MHz 時間は大体7分程度、長くても10分程度。
  • 4. Findings - Normal lung CHEST 2016; 150(1):131-138  A lineは正常でも見ら れる所見。  Pleural lineと並行で、 等間隔にでる。(胸膜 の影響によるアーチ ファクト)
  • 5. Findings - B line CHEST 2016; 150(1):131-138  B lineは正常でも見ら れることもあるが基本 的には異常所見。  Echo beamと並行に commet and its shadow としてみえる  Diffuseであれば間質性 病変かもしれないが、 基本的には様々な炎症 を反映している。
  • 6. Findings - Air Bronchogram CHEST 2016; 150(1):131-138  低輝度の領域に commet  周囲はB line を呈して いる。
  • 7. References  Feasibility and Safety of Substituting Lung Ultrasonography for Chest Radiography When Diagnosing Pneumonia in Children A Randomized Controlled Trial CHEST 2016; 150(1):131-138 >>> 肺エコーを用いることで胸部レントゲンの撮影を38.8%減らせる。  Lung ultrasound for the diagnosis of pneumonia in children: a meta-analysis. Pediatrics. 2015 Apr;135(4):714-22. >>> 小児肺炎のMetaAnalysis、Sensitivity 96%[95%CI 94-97%]、Specificity 93%[95%CI 90-96%]、 positive LR 15.3[95%CI 6.6-35.3]、negative LR 0.06[95%CI 0.03-0.11]、AUC 0.98 Pediatrics. 2015 Apr;135(4):714-22.
  • 8. References  Current evidence supports LUS as an imaging alternative for the diagnosis of childhood pneumonia. Recommendations to train pediatricians on LUS for diagnosis of pneumonia may have important implications in different clinical settings.