Table 1 Clinical characteristics of included infants.

From: Regional lung function in congenital diaphragmatic hernia assessed using electrical impedance tomography

n = 15 infants

 

Gestational age at birth

38 (34, 41) completed weeks

Birth weight

3100 (2210, 3849) g

Antenatal diagnosis of CDH

12 (80%)

Initial O/E LHR

51 (36, 67) %

Liver in thorax antenatally

5 (33%)

CDH Type40

A 2a (13%); B 9 (60%); C 4 (27%); D 0 (0%)

Patch required at repair

4 (27%)

Characteristics at each imaging timepoint

 

Pre-repair (n = 15)

Post-repair (n = 13)b

Pre-discharge (n = 11)b

Age at recording, days

3 (1, 6)

8 (5, 15)

24 (16, 123)

Mode of ventilation

High frequency oscillatory ventilation

6 (40%)

5 (38%)

0

High frequency jet ventilation

1 (7%)

2 (15%)

0

Conventional mechanical ventilation

8 (53%)

5 (38%)

0

Low flow oxygen

0

0

1 (9%)

No respiratory support

0

1 (8%)

10 (91%)

Ionotropic/lusitropic support

14 (93%)

5 (38%)

0

Pulmonary vasodilator

9 (60%)

5 (38%)

3 (27%)

Muscle relaxant infusion

3 (20%)

1 (8%)

0

  1. CDH Congenital diaphragmatic hernia, O/E LHR Observed to Expected Lung-to-Head Ratio.
  2. Data presented as n (%) or median (minimum, maximum) unless otherwise stated.
  3. aOne infant found to have eventration of diaphragm at surgery.
  4. bIncludes only those infants with imaging data included in analysis (see Fig. 2).