Table 2

Details of MIST procedure

25–28 Weeks (n=38)29–32 Weeks (n=23)
Age at which MIST was performed (h)3.1 (1.1–4.2)9.9 (3.6–17)
Two or more catheterisation attempts6 (16%)6 (26%)
Surfactant dose (mg/kg)118 (102–166)*100 (98–104)
Surfactant reflux13 (34%)5 (22%)
Bradycardia >10 s15 (39%)7 (30%)
Positive pressure inflations17 (45%)7 (30%)
Time to restore CPAP (min)1.9 (1.0–2.6)1.3 (0.84–2.0)
  • Median (IQR) or n (%).

  • * 31 infants received a surfactant dose of 100 mg/kg (median dose 106 mg/kg) and seven infants received a dose of 200 mg/kg (median dose of 199 mg/kg).

  • CPAP, continuous positive airway pressure; MIST, minimally-invasive surfactant therapy.