OBJECTIVE: We examined the effect on survival of prone positioning as an early and continuous treatment in ARDS patients already treated with protective ventilation. DESIGN AND SETTING: Open randomized controlled trial in 17 medical-surgical ICUs. PATIENTS: Forty mechanically ventilated patients with early and refractory ARDS despite protective ventilation in the supine position. INTERVENTIONS: Patients were randomized to remain supine or be moved to early (within 48[Symbol: see text]h) and continuous (> or = 20 h/day) prone position until recovery or death. The trial was prematurely stopped due to a low patient recruitment rate. MEASUREMENTS AND RESULTS:Clinical characteristics, oxygenation, lung pressures, and hemodynamics were monitored. Need for sedation, complications, length of MV, ICU, and hospital stays, and outcome were recorded. PaO(2)/FIO(2) tended to be higher in prone than in supine patients after 6[Symbol: see text]h (202 +/-78 vs. 165+/-70 mmHg); this difference reached statistical significance on day 3 (234+/-85 vs. 159+/-78). Prone-related side effects were minimal and reversible. Sixty-day survival reached the targeted 15% absolute increase in prone patients (62% vs. 47%) but failed to reach significance due to the small sample. CONCLUSIONS: Our study adds data that reinforce the suggestion of a beneficial effect of early continuous prone positioning on survival in ARDS patients.
RCT Entities:
OBJECTIVE: We examined the effect on survival of prone positioning as an early and continuous treatment in ARDSpatients already treated with protective ventilation. DESIGN AND SETTING: Open randomized controlled trial in 17 medical-surgical ICUs. PATIENTS: Forty mechanically ventilated patients with early and refractory ARDS despite protective ventilation in the supine position. INTERVENTIONS:Patients were randomized to remain supine or be moved to early (within 48[Symbol: see text]h) and continuous (> or = 20 h/day) prone position until recovery or death. The trial was prematurely stopped due to a low patient recruitment rate. MEASUREMENTS AND RESULTS: Clinical characteristics, oxygenation, lung pressures, and hemodynamics were monitored. Need for sedation, complications, length of MV, ICU, and hospital stays, and outcome were recorded. PaO(2)/FIO(2) tended to be higher in prone than in supine patients after 6[Symbol: see text]h (202 +/-78 vs. 165+/-70 mmHg); this difference reached statistical significance on day 3 (234+/-85 vs. 159+/-78). Prone-related side effects were minimal and reversible. Sixty-day survival reached the targeted 15% absolute increase in prone patients (62% vs. 47%) but failed to reach significance due to the small sample. CONCLUSIONS: Our study adds data that reinforce the suggestion of a beneficial effect of early continuous prone positioning on survival in ARDSpatients.
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