Table 1

Methodological differences among recent studies

Authors and

study

Number of

patients

Site of the tissue Doppler analysis

Simple beat or

averaged beats

Respiratory

cycle


Weng et al. [4]

61

Septal + lateral wall averaged

Three consecutive beats averaged

Not specified

Moschietto et al. [2]

68

Lateral wall

Three beats averaged

End-expiratory

Landesberg et al. [3]

262

Septal and lateral (septal value used for E/Ea calculation)

Not specified

Not specified


E/Ea, pulsed Doppler mitral flow in early diastole/early diastolic mitral annulus velocity.

Fichet et al. Critical Care 2012 16:433   doi:10.1186/cc11377