Johan Ågren

Dr. Johan Ågren

orcid

Research Focus & Metrics

Academic Career Length

30Years (1997-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
1 May 2006 in The Journal of Pediatrics
Verified
Journal Article
Closed access
JÅJohan Ågren
Johan Ågren
GSGunnar Sjörs
Gunnar Sjörs
GSGunnar Sedin
Gunnar Sedin

23 October 2018 in Journal of Perinatology
Verified
Journal Article
Closed access
PDF file
CBCarl H. Backes
Carl H. Backes
FSFanny Söderström
Fanny Söderström
JÅJohan Ågren
Johan Ågren
RSRichard Sindelar
Richard Sindelar
CBChristopher Bartlett
Christopher Bartlett
ENErik Normann
Erik Normann

1 April 2003 in Pediatric Research
Verified
Journal Article
Closed access
PDF file
JÅJohan Ågren
Johan Ågren
SZSergey Zelenin
Sergey Zelenin
MHMattias Håkansson
Mattias Håkansson
AEAnn-Christine Eklöf
Ann-Christine Eklöf
AAAnita Aperia
Anita Aperia
GSGunnar Sedin
Gunnar Sedin

1 February 2022 in Seminars in Perinatology
Verified
Journal Article
Open access
JÅJohan Ågren
Johan Ågren
JSJeffrey L. Segar
Jeffrey L. Segar
FSFanny Söderström
Fanny Söderström
EBEdward F. Bell
Edward F. Bell
Emerging data regarding the encouraging outcomes of extremely preterm infants from centers taking active approaches to the care of these infants have prompted dialogue regarding optimal medical management. Among the multitude of decisions providers make in caring for extremely premature infants is the prescribing of parenteral fluids. Surprisingly, there are limited data to guide evidenced-based approaches to fluid and electrolyte management in this population. Immaturity of renal function and skin barriers contribute to the impaired capacity of the preterm infant to maintain salt and water homeostasis. This perspective paper highlights developmental physiological properties of the kidney and skin, which the provider needs to understand to provide parenteral fluid therapy. Additionally, we provide recommendations for initial fluid and electrolyte management of the preterm infant based on novel data as well as the published literature.

18 May 2023 in BJOG: An International Journal of Obstetrics & Gynaecology
Verified
Journal Article
Open access
ATAnna E. Törn
Anna E. Törn
SHSusanne Hesselman
Susanne Hesselman
KJKine Johansen
Kine Johansen
JÅJohan Ågren
Johan Ågren
AWAnna‐Karin Wikström
Anna‐Karin Wikström
MJMaria Jonsson
Maria Jonsson
Objective: To investigate whether mild neonatal hypoxic ischaemic encephalopathy (HIE) in term born infants is associated with cerebral palsy, epilepsy, mental retardation and death up to 6 years of age.Design: Population‐based cohort study.Setting: Sweden, 2009–2015.Population: Live term born infants without congenital malformations or chromosomal abnormalities (n = 505 075).Methods: Birth and health data were retrieved from Swedish national health and quality registers. Mild HIE was identified by diagnosis in either the Swedish Medical Birth Register or the Swedish Neonatal Quality Register. Cox proportional hazards regression was used to estimate hazard ratios (HRs) with 95% confidence intervals (CIs).Main outcome measures: A composite of the outcomes cerebral palsy, epilepsy, mental retardation and death up to 6 years of age.Results: Median follow‐up time was 3.3 years after birth. Of 414 infants diagnosed with mild HIE, 17 were classified according to the composite outcome and incidence rates were 12.6 and 2.9 per 1000 child‐years in infants with and without HIE respectively. Infants with mild HIE was four times as likely to be diagnosed with the composite outcome (HR 4.42, 95% CI 2.75–7.12) compared with infants without HIE. When analysed separately, associations were found with cerebral palsy (HR 21.50, 95% CI 9.59–48.19) and death (HR 19.10, 95% CI 7.90–46.21). HRs remained essentially unchanged after adjustment for covariates.Conclusions: Mild neonatal HIE was associated with neurological morbidity and mortality in childhood. Challenges include identifying infants who may develop morbidity and how to prevent adverse outcomes.

21 June 2020 in Acta Paediatrica
Verified
Journal Article
Open access
PDF file
PBPyrola Bäcke
Pyrola Bäcke
BHBeatrice Hjelte
Beatrice Hjelte
LWLena Hellström Westas
Lena Hellström Westas
JÅJohan Ågren
Johan Ågren
YBYlva Thernström Blomqvist
Ylva Thernström Blomqvist
Aim: The knowledge is limited about how parents experience the time when their infant is receiving therapeutic hypothermia (TH) after severe perinatal asphyxia. The aim of this study was to explore parents’ experience of closeness and involvement in their infant's care while in the neonatal intensive care unit (NICU) with their newborn undergoing TH.Methods: Face‐to‐face, semi‐structured interviews were conducted with parents (n = 11) whose infants (n = 8, aged 3‐5 years at the time of the study) underwent TH at a level III Swedish NICU during 2013‐2016. The interviews were analysed using qualitative content analysis.Results: All the parents shared the trauma of being both physically and psychologically separated from their infant. They all described a need for information and emotional support, and reported that the NICU staff had influenced the extent to which they as parents had been able to be near and actively participate in the care. Parents described the wish to be closer to their infant and to be more actively involved in their infant's care.Conclusion: Strategies to enable parent‐infant closeness and active guidance from staff might help alleviate the emotional stress of parents and promote their participation during TH.