Brain structure and neurocognitive and behavioural function in adolescents who were born very preterm

AL Stewart, L Rifkin, PN Amess, V Kirkbride… - The lancet, 1999 - thelancet.com
Background Infants born very preterm (< 33 weeks) are at increased risk of neurocognitive
deficits. Their neurodevelopmental outcome up to age 8 years can be predicted by neonatal …

[HTML][HTML] Proton magnetic resonance spectroscopy of the brain in normal preterm and term infants, and early changes after perinatal hypoxia-ischemia

J Penrice, EB Cady, A Lorek, M Wylezinska… - Pediatric …, 1996 - nature.com
The aims of this study were 1) to define normal perinatal maturational changes in proton
metabolite peak-area ratios in two regions of the neonatal brain, the thalamic and …

[HTML][HTML] Proton magnetic resonance spectroscopy of the brain during acute hypoxia-ischemia and delayed cerebral energy failure in the newborn piglet

J Penrice, A Lorek, EB Cady, PN Amess… - Pediatric …, 1997 - nature.com
Studies of the brains of severely birth-asphyxiated infants using proton (1 H) magnetic
resonance spectroscopy (MRS) have shown changes indicating a rise in cerebral lactate …

Measurement of cytochrome oxidase redox state by near infrared spectroscopy

…, E Nemoto, R Springett, S Matcher, P Amess… - Optical Imaging of Brain …, 1997 - Springer
Although near infrared spectroscopy (NIRS) is primarily used to probe changes in
oxyhaemoglobin (HbO 2) and deoxyhaemoglobin (dHb) concentrations, it has long been …

Use of mitochondrial inhibitors to demonstrate that cytochrome oxidase near-infrared spectroscopy can measure mitochondrial dysfunction noninvasively in the brain

CE Cooper, M Cope, R Springett… - Journal of Cerebral …, 1999 - journals.sagepub.com
The use of near-infrared spectroscopy to measure noninvasively changes in the redox state
of cerebral cytochrome oxidase in vivo is controversial. We therefore tested these …

Early brain proton magnetic resonance spectroscopy and neonatal neurology related to neurodevelopmental outcome at 1 year in term infants after presumed hypoxic …

PN Amess, J Penrice, M Wylezinska… - … Medicine & Child …, 1999 - Wiley Online Library
This study investigated the accuracy of prediction of neurodevelopmental outcome at 1 year
using cerebral proton magnetic resonance spectroscopy (MRS) and structured neonatal …

[HTML][HTML] Mild hypothermia after severe transient hypoxia-ischemia reduces the delayed rise in cerebral lactate in the newborn piglet

PN Amess, J Penrice, EB Cady, A Lorek… - Pediatric …, 1997 - nature.com
This study tested the hypothesis that mild hypothermia after severe transient hypoxia-
ischemia reduces the subsequent delayed rise in cerebral lactate peak-area ratios as …

Lactate, N‐acetylaspartate, choline and creatine concentrations, and spin‐spin relaxation in thalamic and occipito‐parietal regions of developing human brain

EB Cady, J Penrice, PN Amess, A Lorek… - Magnetic resonance …, 1996 - Wiley Online Library
Previous studies of the brains of normal infants demonstrated lower lactate (Lac)/choline
(Cho), Lac/creatine (Cr), and Lac/N‐acetylaspartate (Naa) peak‐area ratios in the thalamic …

Neurodevelopmental outcomes at 2 and 3.5 years for very preterm babies enrolled in a randomized trial of milking the umbilical cord versus delayed cord clamping

H Rabe, A Sawyer, P Amess, S Ayers… - Neonatology, 2016 - karger.com
Background: Guidelines published by the International Liaison Committee for Resuscitation
and by the World Health Organization recommend delaying cord clamping at birth as part of …

[HTML][HTML] Magnesium sulfate after transient hypoxia-ischemia fails to prevent delayed cerebral energy failure in the newborn piglet

J Penrice, PN Amess, S Punwani, M Wylezinska… - Pediatric …, 1997 - nature.com
Severely birth-asphyxiated human infants develop delayed (“secondary”) cerebral energy
failure, which carries a poor prognosis, during the first few days of life. This study tested the …