Blar i Department of Clinical Science på forfatter "Øymar, Knut"
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Acute bronchiolitis in infants, a review
Øymar, Knut; Skjerven, Håvard Ove; Mikalsen, Ingvild Bruun (Peer reviewed; Journal article, 2014-04-03)Acute viral bronchiolitis is one of the most common medical emergency situations in infancy, and physicians caring for acutely ill children will regularly be faced with this condition. In this article we present a summary ... -
Airway symptoms and atopy in young children prescribed asthma medications: A large‐scale cohort study
Mikalsen, Ingvild Bruun; Dalen, Ingvild; Karlstad, Øystein; Eide, Geir Egil; Magnus, Maria Christine; Nystad, Wenche; Øymar, Knut (Peer reviewed; Journal article, 2019)Diagnosing asthma and deciding treatment are difficult in young children. An inappropriate and too high prescription rate of inhaled corticosteroids (ICS) is suggested, but how airway symptoms are associated with prescriptions ... -
The associations between weight-related anthropometrics during childhood and lung function in late childhood: a retrospective cohort study
Byberg, Kristine Kjer; Mikalsen, Ingvild Bruun; Eide, Geir Egil; Forman, Michele R.; Júlíusson, Pétur Benedikt; Øymar, Knut (Peer reviewed; Journal article, 2018-01-19)Background: An association between body weight in childhood and subsequent lung function and asthma has been suggested, but few longitudinal studies exist. Our aim was to explore whether weight-related anthropometric ... -
The B-lymphocyte chemokine CXCL13 in the cerebrospinal fluid of children with Lyme neuroborreliosis: associations with clinical and laboratory variables
Barstad, Bjørn; Tveitnes, Dag; Dalen, Ingvild; Noraas, Sølvi; Ask, Ingvild; Bosse, Franziskus Johannes; Øymar, Knut (Peer reviewed; Journal article, 2019)Background: The B-lymphocyte chemokine CXCL13 is increasingly considered as a useful early phase diagnostic marker of Lyme neuroborreliosis (LNB). However, the large variation in level of CXCL13 in the cerebrospinal fluid ... -
Changes in heart rate from 5 s to 5 min after birth in vaginally delivered term newborns with delayed cord clamping
Bjorland, Peder Aleksander; Ersdal, Hege Langli; Eilevstjønn, Joar; Øymar, Knut; Davis, Peter G.; Rettedal, Siren (Journal article; Peer reviewed, 2021)Objective: To determine heart rate centiles during the first 5 min after birth in healthy term newborns delivered vaginally with delayed cord clamping. Design: Single-centre prospective observational study. Setting: ... -
Children born preterm at the turn of the millennium had better lung function than children born similarly preterm in the early 1990s.
Vollsæter, Maria; Skromme, Kaia; Satrell, Emma; Clemm, Hege; Røksund, Ola; Øymar, Knut; Markestad, Trond; Halvorsen, Thomas (Peer reviewed; Journal article, 2015-12-07)Objective. Compare respiratory health in children born extremely preterm (EP) or with extremely low birthweight (ELBW) nearly one decade apart, hypothesizing that better perinatal management has led to better outcome. ... -
Comparison of physical activity and body composition in a cohort of children born extremely preterm or with extremely low birth weight to matched term-born controls: a follow-up study
Engan, Mette; Vollsæter, Maria; Øymar, Knut; Markestad, Trond; Eide, Geir Egil; Halvorsen, Thomas; Juliusson, Petur Benedikt; Clemm, Hege Synnøve Havstad (Peer reviewed; Journal article, 2019)Objectives: To compare physical activity and body composition in a cohort of children born extremely preterm/extremely low birth weight (EP/ELBW) with term-born (TB) controls. Methods: A regional cohort of children ... -
Compliance with Guidelines and Efficacy of Heart Rate Monitoring during Newborn Resuscitation: A Prospective Video Study
Bjorland, Peder Aleksander; Ersdal, Hege Langli; Øymar, Knut; Rettedal, Siren (Journal article; Peer reviewed, 2020)Objective: Newborn resuscitation guidelines recommend initial assessment of heart rate (HR) and initiation of positive pressure ventilation (PPV) within 60 s after birth in non-breathing newborns. Pulse oximeter (PO) and ... -
Continuous positive airway pressure for bronchiolitis in a general paediatric ward; a feasibility study
Øymar, Knut; Bårdsen, Kjersti (Peer reviewed; Journal article, 2014-05-12)Background: Continuous positive airway pressure (CPAP) is commonly used to relieve respiratory distress in infants with bronchiolitis, but has mostly been studied in an intensive care setting. Our prime aim was to evaluate ... -
Exhaled nitric oxide is related to atopy, but not asthma in adolescents with bronchiolitis in infancy
Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Øymar, Knut (Peer reviewed; Journal article, 2013-11-17)Background: The fraction of exhaled nitric oxide (FeNO) has been suggested as a non-invasive marker of eosinophilic inflammation in asthma, but lately rather as a biomarker of atopy than of asthma itself. Asthma after ... -
Exposure to preeclampsia growth from birth to late childhood dependent on child’s sex and severity of exposure: Follow-up of a nested case-control study
Byberg, Kristine Kjer; Øymar, Knut; Eide, Geir Egil; Forman, Michele R.; Júlíusson, Pétur Benedikt (Peer reviewed; Journal article, 2017-05-09)Background and objective An adverse intrauterine environment may affect offspring growth and development. Our aim was to explore whether preeclampsia (PE) exposure in utero influences growth from birth to 13 years. Methods ... -
Gender differences in childhood lyme neuroborreliosis
Tveitnes, Dag; Øymar, Knut (Peer reviewed; Journal article, 2015-10-04)Background. Many neurological diseases show differences between genders. We studied gender differences in childhood Lyme neuroborreliosis (LNB) in an endemic area of Lyme borreliosis in Norway. Methods. In a population ... -
Half of children with recurrent or chronic wet cough before three years of age were symptom-free by age seven
Sørensen, Karen Galta; Mikalsen, Ingvild Bruun; Neven, Axel; Øymar, Knut (Journal article; Peer reviewed, 2020)Aim We aimed to study the natural course of recurrent episodic and chronic wet cough in preschool children, the proportion and age of resolution, and risk factors for persistent symptoms. Methods Parents of children ... -
Health professionals’ involvement of parents in decision-making in interprofessional practice at the hospital
Aarthun, Antje; Øymar, Knut; Akerjordet, Kristin (Peer reviewed; Journal article, 2020)Health professionals have the responsibility of involving parents in decision-making regarding children’s healthcare. This is to ensure that healthcare is customised to meet children’s and families’ needs and preferences. ... -
The immunology of the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome; what can the tonsils reveal. A literature review.
Førsvoll, Jostein Andersen; Kristoffersen, Einar Klæboe; Øymar, Knut (Peer reviewed; Journal article, 2020)Objectives: Tonsillectomy (TE) or adenotonsillectomy (ATE) may have a beneficial effect on the clinical course in children with the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) syndrome. ... -
Incidence of newborn resuscitative interventions at birth and short-term outcomes: A regional population-based study
Bjorland, Peder Aleksander; Øymar, Knut; Ersdal, Hege Langli; Rettedal, Siren (Peer reviewed; Journal article, 2019)Objectives: To determine the incidence and characteristics of resuscitative interventions at different gestational ages and short-term outcomes after resuscitation. Design, setting and patients: A prospective observational ... -
Lung function and bronchial hyperreactivity from 11 to 18 years in children with bronchiolitis in infancy
Sørensen, Karen Galta; Øymar, Knut; Dalen, Ingvild; Halvorsen, Thomas; Mikalsen, Ingvild Bruun (Peer reviewed; Journal article, 2020)Background: Various trajectories for lung function and bronchial hyper‐reactivity (BHR) from early childhood to adulthood are described, including puberty as a period with excessive lung growth. Bronchiolitis in infancy ... -
Lung function at term in extremely preterm-born infants: A regional prospective cohort study
Bentsen, Mariann; Markestad, Trond; Øymar, Knut; Halvorsen, Thomas (Journal article; Peer reviewed, 2017)Objectives: To compare lung function of extremely preterm (EP)-born infants with and without bronchopulmonary dysplasia (BPD) with that of healthy term-born infants, and to determine which perinatal characteristics were ... -
Parental involvement in decision-making about their child's health care at the hospital
Aarthun, Antje; Øymar, Knut; Akerjordet, Kristin (Peer reviewed; Journal article, 2018-07-30)Aim: To explore parents’ experiences on parental involvement in decision‐making about their child’s health care at the hospital and to identify how health professionals can improve parental involvement. Design: An explorative ...