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Dr Luise Marino


Clinical Academic Paediatric Dietitian


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Luise works as a Clinical Academic Paediatric Dietitian at the University Hospital Southampton NHS Foundation Trust working in PICU, NICU and paediatric cardiology services. She is also the R&D Lead for Division C. 

Her research aims to characterise the nutritional journey of infants and children with acute and chronic disease, particularly those with congenital heart disease, and how the development of integrated pathways for nutritional rehabilitation could promote healthy growth and reduce parental stress.

Major grants:

NIHR ICA CL Growth and nutrition of infants with congenital heart disease: development of guidelines   and a digital home monitoring programme to support families. 2017-2020

British Dietetic Association General Education Grant (n=30). Pilot study| The development of metabolic maturation in infants born premature and the relationship to growth. September 2021 – September 2022

Abbott Laboratories educational grant The development, assessment and validation of: Paediatric Remote Malnutrition Screening Application (Pedi-R-MAPP). March 2021 – Current

Thames Valley Wessex Congenital Heart Disease Network & UHS Small Grants Chloe’s Card Pausing and hearing: Towards parent | child centred and compassionate care for infants, children and their families. March 2021 – current

UHS Small Grants. The development of metabolic maturation in infants born premature, small for gestational age and congenital heart disease compared to healthy infants and the relationship to   growth. Jan 2021 - current

NIHR HTA Grant. Dr Lyvonne Tume (CI) (Salford University)  Gastric Study – Critically Ill Children. Commencing Mach 2023

Impact example:

The work completed, as part of the NIHR ICA CL, to develop a pre-surgical-nutritional-pathway for infants with congenital heart disease (CHD) sought to i) reduce variation in nutrition-management of infants with CHD, ii) promote early referral to a paediatric dietitian for feeding difficulties and iii) reduce the prevalence of persistent malnutrition at the time of surgery. An initial study of the pathway demonstrated significantly improved growth outcomes in infants with CHD at 4-months and 12-months-of-age and reduced intensive care length of stay compared to historic controls. The pre-operative nutritional pathway has subsequently been implemented within the regional Wessex service and was cited as a national exemplar of good practice in 2019 NHS England Peer-review.

Nutrition information developed for parents is freely available for download on the Thames Valley Wessex Congenital Heart Disease website:

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