Frutos-Vivar et al identified risk factors associated with extubation failure in patients who have had a successful spontaneous breathing test. The authors are from multiple institutions in Argentina, Brazil, Columbia, Saudi Arabia, Spain, the United States and Venezuela.
Parameters:
(1) rapid shallow breathing index (RSBI, from Yang et al) in breaths per minute per liter
(2) reason for mechanical ventilation
(3) fluid balance over the 24 hours before extubation
fluid balance =
= (fluid intake for past 24 hours in mL) - (fluid output for past 24 hours in mL)
Rapid Shallow Breathing Index
Reason for Mechanical Ventilation
Fluid Balance
Reintubation Rate
<= 57
pneumonia
NA
17%
<= 57
not pneumonia
NA
10%
> 57
NA
positive (> 0)
24%
> 57
NA
negative
13%
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