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首页> 外文期刊>Sao Paulo Medical Journal >Endotracheal tube cuff pressure: need for precise measurement
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Endotracheal tube cuff pressure: need for precise measurement

机译：气管插管袖带压力：需要精确测量

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CONTEXT: High compliance endotracheal tubes cuffs are used to prevent gas leak and also pulmonary aspiration in mechanically ventilated patients. However, the use of the usual cuff inflation volumes may cause tracheal damage. OBJECTIVE: We tested the hypothesis that endotracheal tube cuff pressures are routinely high (above 40 cmH2O) in the Post Anesthesia Care Unit (PACU) or Intensive Care Units (ICU). DESIGN: Cross-sectional study. SETTING: Post anesthesia care unit and intensive care unit. PARTICIPANTS: We measured endotracheal tubes cuff pressure in 85 adult patients, as follows: G1 (n = 31) patients from the ICU; G2 (n = 32) patients from the PACU, after anesthesia with nitrous oxide; G3 (n = 22) patients from the PACU, after anesthesia without nitrous oxide. Intracuff pressure was measured using a manometer (Mallinckrodt, USA). Gas was removed as necessary to adjust cuff pressure to 30 cmH2O. MAIN MEASUREMENTS: Endotracheal tube cuff pressure. RESULTS: High cuff pressure ( 40 cmH2O) was observed in 90.6% patients of G2, 54.8% of G1 and 45.4% of G3 (P 0.001). The volume removed from the cuff in G2 was higher than G3 (P 0.05). CONCLUSION: Endotracheal tubes cuff pressures in ICU and PACU are routinely high and significant higher when nitrous oxide is used. Endotracheal tubes cuff pressure should be routinely measured to minimize tracheal trauma.
机译：背景：高顺应性气管插管袖套用于防止气体泄漏以及机械通气患者的肺部抽吸。但是，使用常规的袖带充气量可能会导致气管损伤。目的：我们检验了以下假设：在麻醉后监护病房（PACU）或重症监护病房（ICU）中，气管插管的袖带压力通常较高（高于40 cmH2O）。设计：横断面研究。地点：麻醉后监护病房和重症监护病房。参与者：我们测量了85位成年患者的气管插管袖带压力，如下所示：ICU的G1（n = 31）例患者; G2（n = 32）来自一氧化二氮麻醉后的PACU患者; G3（n = 22）来自PACU的患者，麻醉后未使用一氧化二氮。使用压力计（Mallinckrodt，美国）测量袖带内压力。根据需要除去气体以将袖带压力调节至30 cmH2O。主要测量指标：气管导管袖带压力。结果：在90.6％的G2、54.8％的G1和45.4％的G3患者中观察到较高的袖带压（> 40 cmH2O）（P <0.001）。 G2中从袖带上移走的体积高于G3（P <0.05）。结论：使用一氧化二氮时，ICU和PACU的气管插管袖带压力通常较高，并且显着较高。应常规测量气管导管的袖带压力，以最大程度地减少气管损伤。

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