Treatment of acute hypoxemic nonhypercapnic respiratory insufficiency with continuous positive airway pressure delivered by a face mask -: A randomized controlled trial

被引:314
作者
Delclaux, C
L'Her, E
Alberti, C
Mancebo, J
Abroug, F
Conti, G
Guérin, C
Schortgen, F
Lefort, Y
Antonelli, M
Lepage, E
Lemaire, F
Brochard, L [1 ]
机构
[1] Assistance Publ Hop Paris, Hop Henri Mondor, Serv Reanimat Med, Med Intens Care Unit, F-94010 Creteil, France
[2] Univ Paris, INSERM, U492, Creteil, France
[3] Cavalle Blanche Hosp, Med Intens Care Unit, Brest, France
[4] St Pau Hosp, Intens Care Unit, Barcelona, Spain
[5] La Sapienza Univ Hosp, Intens Care Unit, Rome, Italy
[6] Croix Rousse Hosp, Med Intens Care Unit, Lyon, France
[7] St Louis Hosp, Dept Biostat, Paris, France
[8] Henri Mondor Hosp, Dept Biostat, Creteil, France
来源
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION | 2000年 / 284卷 / 18期
关键词
D O I
10.1001/jama.284.18.2352
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Context Continuous positive airway pressure (CPAP) is widely used in the belief that it may reduce the need for intubation and mechanical ventilation in patients with acute hypoxemic respiratory insufficiency. Objective To compare the physiologic effects and the clinical efficacy of CPAP vs standard oxygen therapy in patients with acute hypoxemic, nonhypercapnic respiratory insufficiency. Design, Setting, and Patients Randomized, concealed, and unblinded trial of 123 consecutive adult patients who were admitted to 6 intensive care units between September 1997 and January 1999 with a PaO2/FIO2 ratio of 300 mm Hg or less due to bilateral pulmonary edema (n=102 with acute lung injury and n=21 with cardiac disease). Interventions Patients were randomly assigned to receive oxygen therapy alone (n=61) or oxygen therapy plus CPAP (n=62). Main Outcome Measures Improvement in PaO2/FIO2 ratio, rate of endotracheal intubation at any time during the study, adverse events, length of hospital stay, mortality, and duration of ventilatory assistance, compared between the CPAP and standard treatment groups. Results Among the CPAP vs standard therapy groups, respectively, causes of respiratory failure (pneumonia, 54% and 55%), presence of cardiac disease (33% and 35%), severity at admission, and hypoxemia (median [5th-95th percentile] PaO2/FIO2 ratio, 140 [59-288] mm Hg vs 148 [62-283] mm Hg; P=.43) were similarly distributed. After 1 hour of treatment, subjective responses to treatment (P<.001) and median (5th-95th percentile) PaO2/FIO2 ratios were greater with CPAP (203 [45-431] mm Hg vs 151 [73-482] mm Hg; P=.02), No further difference in respiratory indices was observed between the groups. Treatment with CPAP failed to reduce the endotracheal intubation rate (21 [34%] vs 24 [39%] in the standard therapy group; P=.53), hospital mortality (19 [31%] vs 18 [30%]; P=.89), or median (5th-95th percentile) intensive care unit length of stay (6.5 [1-57] days vs 6.0 [1-36] days; P=.43), A higher number of adverse events occurred with CPAP treatment (18 vs 6; P=.01), Conclusion In this study, despite early physiologic improvement, CPAP neither reduced the need for intubation nor improved outcomes in patients with acute hypoxemic, nonhypercapnic respiratory insufficiency primarily due to acute lung injury.
引用
收藏
页码:2352 / 2360
页数:9
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