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A multicenter RCT of noninvasive ventilation in pneumonia-induced early mild acute respiratory distress syndrome.


ABSTRACT: RATIONALE:Our pilot study suggested that noninvasive ventilation (NIV) reduced the need for intubation compared with conventional administration of oxygen on patients with "early" stage of mild acute respiratory distress syndrome (ARDS, PaO2/FIO2 between 200 and 300). OBJECTIVES:To evaluate whether early NIV can reduce the need for invasive ventilation in patients with pneumonia-induced early mild ARDS. METHODS:Prospective, multicenter, randomized controlled trial (RCT) of NIV compared with conventional administration of oxygen through a Venturi mask. Primary outcome included the numbers of patients who met the intubation criteria. RESULTS:Two hundred subjects were randomized to NIV (n?=?102) or control (n?=?98) groups from 21 centers. Baseline characteristics were similar in the two groups. In the NIV group, PaO2/FIO2 became significantly higher than in the control group at 2?h after randomization and remained stable for the first 72?h. NIV did not decrease the proportion of patients requiring intubation than in the control group (11/102 vs. 9/98, 10.8% vs. 9.2%, p?=?0.706). The ICU mortality was similar in the two groups (7/102 vs. 7/98, 4.9% vs. 3.1%, p?=?0.721). Multivariate analysis showed minute ventilation greater than 11?L/min at 48?h was the independent risk factor for NIV failure (OR, 1.176 [95% CI, 1.005-1.379], p?=?0.043). CONCLUSIONS:Treatment with NIV did not reduce the need for intubation among patients with pneumonia-induced early mild ARDS, despite the improved PaO2/FIO2 observed with NIV compared with standard oxygen therapy. High minute ventilation may predict NIV failure. TRIAL REGISTRATION:NCT01581229 . Registered 19 April 2012.

SUBMITTER: He H 

PROVIDER: S-EPMC6727327 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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A multicenter RCT of noninvasive ventilation in pneumonia-induced early mild acute respiratory distress syndrome.

He Hangyong H   Sun Bing B   Liang Lirong L   Li Yanming Y   Wang He H   Wei Luqing L   Li Guofeng G   Guo Shuliang S   Duan Jun J   Li Yuping Y   Zhou Ying Y   Chen Yusheng Y   Li Hongru H   Yang Jingping J   Xu Xiyuan X   Song Liqiang L   Chen Jie J   Bao Yong Y   Chen Feng F   Wang Ping P   Ji Lixi L   Zhang Yongxiang Y   Ding Yanyan Y   Chen Liangan L   Wang Ying Y   Yang Lan L   Yang Tian T   Weng Heng H   Li Hongyan H   Wang Daoxin D   Tong Jin J   Sun Yongchang Y   Li Ran R   Jin Faguang F   Li Chunmei C   He Bei B   Sun Lina L   Wang Changzheng C   Hu Mingdong M   Yang Xiaohong X   Luo Qin Q   Zhang Jin J   Tan Hai H   Wang Chen C  

Critical care (London, England) 20190904 1


<h4>Rationale</h4>Our pilot study suggested that noninvasive ventilation (NIV) reduced the need for intubation compared with conventional administration of oxygen on patients with "early" stage of mild acute respiratory distress syndrome (ARDS, PaO<sub>2</sub>/FIO<sub>2</sub> between 200 and 300).<h4>Objectives</h4>To evaluate whether early NIV can reduce the need for invasive ventilation in patients with pneumonia-induced early mild ARDS.<h4>Methods</h4>Prospective, multicenter, randomized cont  ...[more]

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