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Annals of Intensive Care

Table 3 Percent change in echocardiographic variables between the start and the end of the first weaning trial (n = 31), according to outcome (success or failure)

From: Cardiac function during weaning failure: the role of diastolic dysfunction

 

All

n = 31

Success

n = 16

Failure

n = 15

p

Delta s′a

− 3% (− 12%; 9%)

− 3% (− 7%; 5%)

− 2% (− 15%; 9%)

0.872

Delta e′

− 3% (− 12%; − 4%)

3% (− 9%; 6%)

− 6% (− 18%; − 3%)

0.02

Delta E

13% (8%; 19%)

12% (7%; 16%)

14% (11%; 23%)

0.20

Delta E/e′

16% (9%; 25%)

10% (4%; 14%)

26% (20%; 28%)

< 0.01

  1. Data are presented as median (1st quartile; 3rd quartile)
  2. s′ peak systolic velocity at the lateral mitral valve annulus, e′ early peak diastolic velocity of mitral annulus, E early diastolic velocity measured using Doppler transmitral flow
  3. as′ could not be assessed in three patients
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