Author: Liu, Kai; Hao, Guang-Wei; Zheng, Ji-Li; Luo, Jing-Chao; Su, Ying; Hou, Jun-Yi; Ma, Guo-Guang; Yu, Shen-Ji; Li, Jun; Sun, Yong-Xin; Lai, Hao; Wang, Chun-Sheng; Luo, Zhe; Tu, Guo-Wei
Title: Effect of Sequential Noninvasive Ventilation on Early Extubation After Acute Type A Aortic Dissection. Cord-id: x9rblv9l Document date: 2020_8_1
ID: x9rblv9l
Snippet: BACKGROUND Acute type A aortic dissection (aTAAD) is associated with a high incidence of prolonged postoperative invasive mechanical ventilation. We aimed to assess whether sequential noninvasive ventilation (NIV) could facilitate early extubation postoperatively after a spontaneous breathing trial (SBT) failure among aTAAD patients. METHODS Beginning in December 2016, we transitioned our weaning strategy from repeated SBT until success (phase 1) to extubation concomitant with sequential NIV (ph
Document: BACKGROUND Acute type A aortic dissection (aTAAD) is associated with a high incidence of prolonged postoperative invasive mechanical ventilation. We aimed to assess whether sequential noninvasive ventilation (NIV) could facilitate early extubation postoperatively after a spontaneous breathing trial (SBT) failure among aTAAD patients. METHODS Beginning in December 2016, we transitioned our weaning strategy from repeated SBT until success (phase 1) to extubation concomitant with sequential NIV (phase 2) for subjects who failed their first SBT. The primary outcomes were re-intubation rate, duration of invasive ventilation, and total duration of ventilation. RESULTS During the study period, 78 subjects with aTAAD failed their first postoperative SBT (38 subjects in phase 1 and 40 subjects in phase 2). Subjects extubated with sequential NIV had shorter median (interquartile range [IQR]) duration of invasive ventilation of 39.5 (30.8-57.8) h vs 89.5 (64-112) h (P < .001) and median (IQR) length of ICU stay of 6 (4.0-7.8) d vs 7.5 (5.8-9.0) d (P = .030). There were no significant differences between the 2 phases with regard to rates of re-intubation (7.5% vs 7.89%, P = .95), tracheostomy (2.5% vs 5.26%, P = .53), and in-hospital mortality (2.5% vs 2.63%, P = .97). CONCLUSIONS Early extubation followed by sequential NIV significantly reduced duration of invasive ventilation and length of ICU stay without increasing re-intubation rate in postoperative subjects with aTAAD who failed their first SBT.
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