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Model-based glycaemic control: methodology and initial results from neonatal intensive care.
Dickson, Jennifer L; Chase, J Geoffrey; Lynn, Adrienne; Shaw, Geoffrey M.
Afiliación
  • Dickson JL; Department of Mechanical Engineering, College of University of Canterbury, Private Bag 4800, Christchurch 8140.
  • Chase JG; Department of Mechanical Engineering, University of Canterbury, Christchurch.
  • Lynn A; Neonatal Department, Christchurch Women's Hospital, Christchurch.
  • Shaw GM; Department of Intensive Care, Christchurch School of Medicine and Health Sciences.
Biomed Tech (Berl) ; 62(2): 225-233, 2017 Apr 01.
Article en En | MEDLINE | ID: mdl-27811342
Very/extremely premature infants often experience glycaemic dysregulation, resulting in abnormally elevated (hyperglycaemia) or low (hypoglycaemia) blood glucose (BG) concentrations, due to prematurity, stress, and illness. STAR-GRYPHON is a computerised protocol that utilises a model-based insulin sensitivity parameter to directly tailor therapy for individual patients and their changing conditions, unlike other common insulin protocols in this cohort. From January 2013 to January 2015, 13 patients totalling 16 hyperglycaemic control episodes received insulin under STAR-GRYPHON. A significant improvement in control was achieved in comparison to a retrospective cohort, with a 26% absolute improvement in BG within the targeted range and no hypoglycaemia. This improvement was obtained predominantly due to the reduction of hyperglycaemia (%BG>10.0 mmol/l: 5.6 vs. 17.7%, p<0.001), and lowering of the median per-patient BG [6.9 (6.1-7.9) vs. 7.8 (6.6-9.1) mmol/l, p<0.001, Mann-Witney U test]. While cohort-wide control results show good control overall, there is high intra-patient variability in BG behaviour, resulting in overly conservative treatments for some patients. Patient insulin sensitivity differs between and within patients over time, with some patients having stable insulin sensitivity, while others change rapidly. These results demonstrate the trade-off between safety and performance in a highly variable and fragile cohort.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Quimioterapia Asistida por Computador / Cuidado Intensivo Neonatal / Hiperglucemia / Insulina / Modelos Biológicos Tipo de estudio: Diagnostic_studies / Guideline / Prognostic_studies Límite: Female / Humans / Male / Newborn Idioma: En Revista: Biomed Tech (Berl) Año: 2017 Tipo del documento: Article Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Quimioterapia Asistida por Computador / Cuidado Intensivo Neonatal / Hiperglucemia / Insulina / Modelos Biológicos Tipo de estudio: Diagnostic_studies / Guideline / Prognostic_studies Límite: Female / Humans / Male / Newborn Idioma: En Revista: Biomed Tech (Berl) Año: 2017 Tipo del documento: Article Pais de publicación: Alemania