A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023
Background and aimsRegionalized centralization of moderate and high-risk pregnancies is essential, but a well-organized postnatal transport service is equally important. This study evaluates the overall activity and clinical outcomes of the neonatal air transport team (NATT) at the University Hospit...
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Frontiers Media S.A.
2025-07-01
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fped.2025.1594729/full |
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| author | Lene Nymo Trulsen Lene Nymo Trulsen Lisa Gullhav Hansen Lisa Gullhav Hansen Nils Thomas Songstad Astri Lang Claus Klingenberg Claus Klingenberg |
| author_facet | Lene Nymo Trulsen Lene Nymo Trulsen Lisa Gullhav Hansen Lisa Gullhav Hansen Nils Thomas Songstad Astri Lang Claus Klingenberg Claus Klingenberg |
| author_sort | Lene Nymo Trulsen |
| collection | DOAJ |
| description | Background and aimsRegionalized centralization of moderate and high-risk pregnancies is essential, but a well-organized postnatal transport service is equally important. This study evaluates the overall activity and clinical outcomes of the neonatal air transport team (NATT) at the University Hospital of North Norway (UNN) in Tromsø, covering a large catchment area in the Arctic region of Norway.MethodsMedical data from all neonatal air transports between the years 1994–2023 were recorded prospectively. Body temperature, blood glucose and blood gas within 3–6 h after arrival at UNN were assessed from medical files retrospectively. To assess temporal changes, we compared data between 1994 and 2008 (Period 1) and 2009–2023 (Period 2).ResultsA total of 882 acute transports were included. Of these, 655 (74.3%) were referrals to the tertiary neonatal unit at UNN and 227 (25.7%) transfers to national surgical centers. Most transports (61.5%) were by fixed wing aircrafts. The proportion of infants transported due to congenital heart defects (CHD), prematurity and asphyxia was lower in Period 2. When comparing Period 1 and 2, upon arrival we found similar rates of hypothermia (9.8% vs. 6.7%, p = 0.17) and hypercapnia (17.3% vs. 15.3%, p = 0.55), but decreasing rates of hypocapnia (6.7% vs. 2.5%, p = 0.014) and hypoglycemia (10.8% vs. 2.3%, p = 0.001). There were low rates of outborn very low birth weight (VLBW) infants (<1,500 g) in both periods; 4.3% and 3.1%. However, severe IVH was observed in 6/29 (20.7%) outborn VLBW-infants vs. only 21/356 (5.9%) inborn VLBW-infants in the last 15-year period.ConclusionDecreasing rates of transport due to prematurity and CHDs is probably secondary to improved perinatal care. Rates of hypoglycemia and hypocapnia improved in the second 15-year period, but further focus on improvements in both temperature and CO2 control is warranted. Acute transport of VLBW-infants is associated with a markedly increased risk of severe IVH. In-utero transfer of women with threatened preterm birth to a tertiary perinatal center is therefore paramount. |
| format | Article |
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| language | English |
| publishDate | 2025-07-01 |
| publisher | Frontiers Media S.A. |
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| spelling | doaj-art-51ad85399ced41b6beffb05bc408e0422025-08-20T02:38:41ZengFrontiers Media S.A.Frontiers in Pediatrics2296-23602025-07-011310.3389/fped.2025.15947291594729A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023Lene Nymo Trulsen0Lene Nymo Trulsen1Lisa Gullhav Hansen2Lisa Gullhav Hansen3Nils Thomas Songstad4Astri Lang5Claus Klingenberg6Claus Klingenberg7Department of Paediatrics and Adolescent Medicine, University Hospital of North Norway, Tromsø, NorwayResearch Group for Child and Adolescent Health, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, NorwayDepartment of Paediatrics and Adolescent Medicine, University Hospital of North Norway, Tromsø, NorwayResearch Group for Child and Adolescent Health, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, NorwayDepartment of Paediatrics and Adolescent Medicine, University Hospital of North Norway, Tromsø, NorwayNeonatal Department, Oslo University Hospital, Oslo, NorwayDepartment of Paediatrics and Adolescent Medicine, University Hospital of North Norway, Tromsø, NorwayResearch Group for Child and Adolescent Health, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, NorwayBackground and aimsRegionalized centralization of moderate and high-risk pregnancies is essential, but a well-organized postnatal transport service is equally important. This study evaluates the overall activity and clinical outcomes of the neonatal air transport team (NATT) at the University Hospital of North Norway (UNN) in Tromsø, covering a large catchment area in the Arctic region of Norway.MethodsMedical data from all neonatal air transports between the years 1994–2023 were recorded prospectively. Body temperature, blood glucose and blood gas within 3–6 h after arrival at UNN were assessed from medical files retrospectively. To assess temporal changes, we compared data between 1994 and 2008 (Period 1) and 2009–2023 (Period 2).ResultsA total of 882 acute transports were included. Of these, 655 (74.3%) were referrals to the tertiary neonatal unit at UNN and 227 (25.7%) transfers to national surgical centers. Most transports (61.5%) were by fixed wing aircrafts. The proportion of infants transported due to congenital heart defects (CHD), prematurity and asphyxia was lower in Period 2. When comparing Period 1 and 2, upon arrival we found similar rates of hypothermia (9.8% vs. 6.7%, p = 0.17) and hypercapnia (17.3% vs. 15.3%, p = 0.55), but decreasing rates of hypocapnia (6.7% vs. 2.5%, p = 0.014) and hypoglycemia (10.8% vs. 2.3%, p = 0.001). There were low rates of outborn very low birth weight (VLBW) infants (<1,500 g) in both periods; 4.3% and 3.1%. However, severe IVH was observed in 6/29 (20.7%) outborn VLBW-infants vs. only 21/356 (5.9%) inborn VLBW-infants in the last 15-year period.ConclusionDecreasing rates of transport due to prematurity and CHDs is probably secondary to improved perinatal care. Rates of hypoglycemia and hypocapnia improved in the second 15-year period, but further focus on improvements in both temperature and CO2 control is warranted. Acute transport of VLBW-infants is associated with a markedly increased risk of severe IVH. In-utero transfer of women with threatened preterm birth to a tertiary perinatal center is therefore paramount.https://www.frontiersin.org/articles/10.3389/fped.2025.1594729/fulltransportprematuritycongenital malformationshypothermiarespiratory management |
| spellingShingle | Lene Nymo Trulsen Lene Nymo Trulsen Lisa Gullhav Hansen Lisa Gullhav Hansen Nils Thomas Songstad Astri Lang Claus Klingenberg Claus Klingenberg A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023 Frontiers in Pediatrics transport prematurity congenital malformations hypothermia respiratory management |
| title | A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023 |
| title_full | A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023 |
| title_fullStr | A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023 |
| title_full_unstemmed | A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023 |
| title_short | A population-based study of neonatal air transport in the Arctic region of Norway from 1994 to 2023 |
| title_sort | population based study of neonatal air transport in the arctic region of norway from 1994 to 2023 |
| topic | transport prematurity congenital malformations hypothermia respiratory management |
| url | https://www.frontiersin.org/articles/10.3389/fped.2025.1594729/full |
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