呼吸治疗科机械通气的撤离课件.ppt

1、2022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-12Gluck EH. Chest. 1996 Oct;110(4):1018-24.2022-4-12Gluck EH. Chest. 1996 Oct;110(4):1018-24.2022-4-122022-4-122022-4-122022-4-122022-4-12CONCLUSION: In patients with weaning difficulties, PSV with 8 cm H(2)O was more suc

2、cessful weaning method than T-tube.Matic I, Majeric- Kogler V. Croat Med J. 2004 Apr;45(2):162-6.2022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-12Nava et al. Ann intern med 1998.128:721 *p0.052022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022

3、-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-12呼吸肌工作负荷过大 顺应性下降： 肺顺应性下降：肺不张、肺炎、肺纤维化、肺水肿、ARDS 胸廓顺应性下降：肥胖、腹水、胃膨胀、怀孕 阻力增加 气道阻力增加：支气管痉挛、支气管粘膜水肿、分泌物 人工气道：气管内插管、气切套管 其他机械因素：呼吸机环路、吸入气流速及灵敏度等导 致人机不协调2022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-122022-4-12