Journal
ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION
Volume 103, Issue 1, Pages F15-F21Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/archdischild-2017-313102
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Funding
- NIHR Programme Grants for Applied Research Programme [RP-PG-0707-101054]
- National Institutes of Health Research (NIHR) [RP-PG-0707-10154] Funding Source: National Institutes of Health Research (NIHR)
- Medical Research Council [MC_U120088465] Funding Source: researchfish
- National Institute for Health Research [RP-PG-0707-10154] Funding Source: researchfish
- MRC [MC_U120088465] Funding Source: UKRI
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Background We tested the hypothesis that routine MRI would improve the care and well-being of preterm infants and their families. Design Parallel-group randomised trial (1.1 allocation; intention-to-treat) with nested diagnostic and cost evaluations (EudraCT 2009-011602-42), Setting Participants from 14 London hospitals, imaged at a single centre. Patients 511 infants born before 33 weeks gestation underwent both MRI and ultrasound around term. 255 were randomly allocated (siblings together) to receive only MRI results and 255 only ultrasound from a paediatrician unaware of unallocated results; one withdrew before allocation. Main outcome measures Maternal anxiety, measured by the State-Trait Anxiety inventory (STAI) assessed in 206/214 mothers receiving MRI and 217/220 receiving ultrasound. Secondary outcomes included: prediction of neurodevelopment, health-related costs and quality of life. Results After MRI, STAI fell from 36.81 (95% CI 35.18 to 38.44) to 32.77 (95% CI 31,54 to 34,01), 31.87 (95% CI 30.63 to 33.12) and 31.82 (95% CI 30.65 to 33,00) at 14 days, 12 and 20 months, respectively. STAI fell less after ultrasound: from 37,59 (95% CI 36.00 to 39.18) to 33.97 (95% CI 32,78 to 35,17), 33.43 (95% CI 32.22 to 34.63) and 33.63 (95% CI 32.49 to 34.77), p=0.02. There were no differences in health-related quality of life. MRI predicted moderate or severe functional motor impairment at 20 months slightly better than ultrasound (area under the receiver operator characteristic curve (CI) 0,74; 0,66 to 0.83vs 0,64; 0,56 to 0.72, p=0.01) but cost 315 pound (CI 295- pound 336) pound more per infant. Conclusions MRI increased costs and provided only modest benefits.
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