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Table 3 Comparison of calculated parameters according to the 3 grades of paradoxical septal motion

From: Diagnostic, prognostic and clinical value of left ventricular radial strain to identify paradoxical septal motion in ventilated patients with the acute respiratory distress syndrome: an observational prospective multicenter study

 

Normal Septal Motion

Grade 0

(n = 162)a

Transient septal flattening

Grade 1

(n = 100)a

Sustained septal flattening or inversed septal bulging

Grade 2

(n = 48)a

p-valueb

Adjusted p-valuec

Difference between the partial area under the strain curve of septal or lateral segments and inferior or anterior segments (cm2)

 MAS-MA

 − 110 ( − 260, 1)

 − 11 ( − 155, 154)

280 (73, 492)

 < 0.001

 < 0.001

 MAS-MI

 − 112 ( − 250, 1)

 − 25 ( − 191, 100)

237 (57, 390)

 < 0.001

 < 0.001

 MIS-MA

 − 84 ( − 209, 21)

 − 1 ( − 174, 149)

166 ( − 26, 360)

 < 0.001

 < 0.001

 MIS_MI

 − 99 ( − 237, 3)

 − 15 ( − 195, 123)

84 ( − 46, 321)

 < 0.001

 < 0.001

 MAL-MA

 − 72 ( − 208, 41)

 − 7 ( − 166, 176)

140 (6, 427)

 < 0.001

 < 0.001

 MAL-MI

 − 83 ( − 217, 15)

 − 24 ( − 177, 129)

91 ( − 20, 344)

 < 0.001

 < 0.001

 MIL-MA

 − 121 ( − 274, 0)

 − 27 ( − 199, 109)

254 (28, 463)

 < 0.001

 < 0.001

 MIL-MI

 − 121 ( − 270,  − 8)

 − 51 ( − 242, 69)

238 (16, 381)

 < 0.001

 < 0.001

Difference of time between Time to peak of each segment and Aortic Valve Closure (% cycle)

 MAS-AVC

 − 1 ( − 3, 2)

0 ( − 3, 3)

3 ( − 1, 8)

0.005

0.005

 MIS-AVC

0 ( − 3, 4)

1 ( − 2, 6)

3 (0, 11)

0.001

0.002

 MAL-AVC

0 ( − 3, 4)

3 ( − 1, 7)

3 (0, 10)

0.002

0.002

 MIL-AVC

 − 2 ( − 3, 2)

0 ( − 3, 3)

3 (0, 9)

 < 0.001

 < 0.001

 MA-AVC

 − 1 ( − 3, 4)

0 ( − 3, 2)

0 ( − 4, 2)

0.6

0.6

 MI-AVC

 − 1 ( − 3, 6)

0 ( − 3, 3)

0 ( − 4, 2)

0.5

0.5

Difference of Time to peak between septal or lateral segments and inferior or anterior segments (% cycle)

 MAS-MA

0 (0, 0)

0 (0, 3)

2 (0, 10)

 < 0.001

 < 0.001

 MAS-MI

0 (0, 0)

0 (0, 3)

1 (0, 10)

 < 0.001

 < 0.001

 MIS-MA

0 (0, 0)

0 (0, 4)

3 (0, 11)

 < 0.001

 < 0.001

 MIS-MI

0 (0, 0)

0 (0, 3)

3 (0, 10)

 < 0.001

 < 0.001

 MAL-MA

0 (0, 0)

0 (0, 4)

3 (0, 10)

 < 0.001

 < 0.001

 MAL-MI

0 (0, 0)

0 (0, 4)

3 (0, 10)

 < 0.001

 < 0.001

 MIL-MA

0 ( − 1, 0)

0 (0, 0)

3 (0, 10)

 < 0.001

 < 0.001

 MIL-MI

0 ( − 2, 0)

0 (0, 0)

2 (0, 9)

 < 0.001

 < 0.001

  1. aMedian (IQR)
  2. bKruskal–Wallis rank sum test
  3. cFalse discovery rate correction for multiple testing
  4. AVC: Aortic valve closure; MAS: Mid-anteroseptal; MIS: Mid-infero-septal; MAL: Mid-anterolateral; MIL: Mid-inferolateral; MA: Mid-anterior; MI: Mid-inferior
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Critical Care

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