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1. 高二酸化炭素血症の発症機序、原因、および影響mechanisms causes and effects of hypercapnia [show details]
… ventilation/perfusion (V/Q) mismatch. Dead space (V_D) reflects the non-gas-exchanging parts of the lung. It comprises the following : Anatomical dead space – The anatomical dead space consists of the space between …
2. 経気管酸素療法transtracheal oxygen therapy [show details]
…without transtracheal flow Specifically, transtracheal gas delivery reduces inspired minute volume, dead space volume, and tidal volume . It also shortens the time of inspiration and decreases the work of breathing … thereby forming an epithelialized tract that extends to the anterior wall of the trachea.…
3. 急性呼吸窮迫症候群（ARDS）：成人における予後および転帰acute respiratory distress syndrome prognosis and outcomes in adults [show details]
…ARDS who had their ratio of dead space to tidal volume (ie, the dead space fraction or Vd/Vt) determined by measuring exhaled carbon dioxide (CO₂) levels . The dead space fraction was markedly elevated …
4. 携帯用の酸素投与機器および酸素節約機器portable oxygen delivery and oxygen conserving devices [show details]
… portion of the dead space of the upper airways. Additionally, the initial dead space of respiration is reduced, because the enriched oxygen is delivered to anatomic dead space; this,… work of breathing. The disadvantages are that it entails a minor surgical procedure, the catheter may form mucous balls at its tip, and care of the catheter requires significant patient training. Pulsed …
5. 機械的人工換気の生理学的および病理生理学的転帰physiologic and pathophysiologic consequences of mechanical ventilation [show details]
… parenchymal lung disease. Mechanical ventilation can alter two opposing forms of ventilation/perfusion mismatch (V/Q mismatch), dead space (areas that are overventilated relative to perfusion; V>Q) and shunt …

Japanese Journal

胸腔ドレーンの管理方法 : 胸腔内環境とメラサキュームによる胸腔管理

髙橋典之
市立室蘭総合病院医誌 = Journal of Muroran City General Hospital = Journal of Muroran City General Hospital 43(1), 5-9, 2018-09-30
… 肺虚脱・肺切除による死腔形成は咳嗽による急激な胸郭運動によって過剰な呼吸性液面変動を引き起こし、大気解放された液面より胸腔内へ大気の逆流が起こる場合がある。 …
NAID 120006788344