Blar i Bergen Open Research Archive på forfatter "Halvorsen, Thomas"
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Associations of preconception exposure to air pollution and greenness with offspring asthma and hay fever
Kuiper, Ingrid Nordeide; Markevych, Iana; Accordini, Simone; Bertelsen, Randi Jacobsen; Bråbäck, Lennart; Christensen, Jesper Heile; Forsberg, Bertil; Halvorsen, Thomas; Heinrich, Joachim; Hertel, Ole; Hoek, Gerard; Holm, Mathias; de Hoogh, Kees; Janson, Christer; Malinovschi, Anderi; Marcon, Alessandro; Sigsgaard, Torben; Svanes, Cecilie; Johannessen, Ane (Journal article; Peer reviewed, 2020)We investigated if greenness and air pollution exposure in parents’ childhood affect offspring asthma and hay fever, and if effects were mediated through parental asthma, pregnancy greenness/pollution exposure, and offspring ... -
Asthma, atopy and lung function in young adults after hospitalisation for bronchiolitis in infancy: impact of virus and sex
Sørensen, Karen Galta; Øymar, Knut Asbjørn Alexander; Dalen, Ingvild; Halvorsen, Thomas; Mikalsen, Ingvild Bruun (Journal article; Peer reviewed, 2022)Background: Hospitalisation for bronchiolitis is a risk factor for asthma and impaired lung function during childhood, but outcomes in young adults are poorly described. Our primary aim was to study the prevalence of asthma ... -
Blood eosinophils during bronchiolitis: Associations with atopy, asthma and lung function in young adults
Sørensen, Karen Galta; Øymar, Knut Asbjørn Alexander; Dalen, Ingvild; Halvorsen, Thomas; Mikalsen, Ingvild Bruun (Journal article; Peer reviewed, 2023)Aim: To study if blood eosinophils during bronchiolitis were associated with atopy, asthma and lung function in young adults and if these associations differed between respiratory syncytial virus (RSV) bronchiolitis and ... -
Breathing patterns in people with exercise-induced laryngeal obstruction
Lie, Astrid Haugen; Grønnevik, Ingvild; Frisk, Bente; Røksund, Ola Drange; Hammer, Ida; Vollsæter, Maria; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad (Journal article; Peer reviewed, 2021)Exercise-induced laryngeal obstruction (EILO) is common, but we lack readily available diagnostic tools. The larynx represents an important point of resistance in the airways, and we therefore hypothesized that EILO is ... -
Bronchial hyper-responsiveness after preterm birth
Clemm, Hege Synnøve Havstad; Engeseth, Merete Salveson; Vollsæter, Maria; Kotecha, Sailesh; Halvorsen, Thomas (Peer reviewed; Journal article, 2018-03)Being born preterm often adversely affects later lung function. Airway obstruction and bronchial hyperresponsiveness (BHR) are common findings. Respiratory symptoms in asthma and in lung disease after preterm birth might ... -
Bruk av BOPPS-modellen i undervisning av medisin-studenter
Rørtveit, Guri; Halvorsen, Thomas (UPED-skrift, Working paper, 2015) -
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. ... -
Clinical responses following inspiratory muscle training in exercise-induced laryngeal obstruction
Sandnes, Astrid; Andersen, Tiina Maarit; Clemm, Hege Synnøve Havstad; Hilland, Magnus; Heimdal, John-Helge; Halvorsen, Thomas; Røksund, Ola Drange; Vollsæter, Maria (Journal article; Peer reviewed, 2021)Purpose Exercise-induced laryngeal obstruction (EILO) is relatively common in young people. Treatment rests on poor evidence; however, inspiratory muscle training (IMT) has been proposed a promising strategy. We aimed to ... -
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 ... -
Conundrums in the breathless athlete; exercise-induced laryngeal obstruction or asthma?
Jansrud, Ida; Halvorsen, Thomas; Vollsæter, Maria; Hilland, Magnus; Heimdal, John-Helge; Røksund, Ola Drange; Clemm, Hege Synnøve Havstad (Journal article; Peer reviewed, 2022)Purpose: Exercise-induced bronchoconstriction (EIB) and exercise-induced laryngeal obstruction (EILO) are the two disorders commonly considered when athletes complain of exertional dyspnea. They are highly different but ... -
Development of health-related quality of life and subjective health complaints in adults born extremely preterm: a longitudinal cohort study
Benestad, Merete; Drageset, Jorunn; Eide, Geir Egil; Vollsæter, Maria; Halvorsen, Thomas; Vederhus, Bente Johanne (Journal article; Peer reviewed, 2022)Purpose To study development trajectories to 34 years of age of health-related quality of life (HRQoL) and subjective health complaints in extremely preterm (EP) born subjects with and without disability, and to compare ... -
Development of lung diffusion to adulthood following extremely preterm birth
Satrell, Emma Elsa Carolina; Clemm, Hege Synnøve Havstad; Røksund, Ola Drange; Hufthammer, Karl Ove; Thorsen, Einar; Halvorsen, Thomas; Vollsæter, Maria (Journal article; Peer reviewed, 2022)Background: Gas exchange in extremely preterm (EP) infants must take place in fetal lungs. Childhood lung diffusing capacity of the lung for carbon monoxide (DLCO) is reduced; however, longitudinal development has not been ... -
Differences in lung function, bronchial hyperresponsiveness and respiratory health between elite athletes competing in different sports
Bernhardsen, Guro Pauck; Stang, Julie; Halvorsen, Thomas; Stensrud, Trine (Journal article; Peer reviewed, 2022)The aim of this study was to examine lung function, bronchial hyperresponsiveness (BHR) and exercise-induced respiratory symptoms in elite athletes performing different sports. Norwegian national-team athletes (30 swimmers, ... -
Early life growth and associations with lung function and bronchial hyperresponsiveness at 11-years of age
Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Juliusson, Pétur Benedikt; Magnus, Maria Christine; Nystad, Wenche; Stensrud, Trine; Størdal, Ketil; Vollsæter, Maria; Øymar, Knut Asbjørn Alexander (Journal article; Peer reviewed, 2021)Low birthweight and being born small-for-gestational age (SGA) are linked to asthma and impaired lung function. Particularly, poor intrauterine growth followed by rapid catch-up growth during childhood may predispose for ... -
Electromagnetic inductance plethysmography is well suited to measure tidal breathing in infants
Bentsen, Mariann; Eriksen, Morten; Olsen, Merete Susan; Markestad, Trond; Halvorsen, Thomas (Journal article; Peer reviewed, 2016)Reliable, accurate and noninvasive methods for measuring lung function in infants are desirable. Electromagnetic inductance plethysmography has been used to perform infant spirometry and VoluSense Pediatrics (VSP) (VoluSense, ... -
Exercise induced laryngeal obstructions in humans and equines. A comparative review
Fretheim-Kelly, Zoe Louise; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad; Roksund, Ola Drange; Heimdal, John-Helge; Vollsæter, Maria; Fintl, Constanze; Strand, Eric (Peer reviewed; Journal article, 2019-10-30)Dynamic obstructions of the larynx are a set of disorders that occur during exercise in equines and humans. There are a number of similarities in presentation, diagnosis, pathophysiology and treatment. Both equines and ... -
Exercise inducible laryngeal obstruction: diagnostics and management
Røksund, Ola Drange; Heimdal, John-Helge; Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Halvorsen, Thomas (Peer reviewed; Journal article, 2017-01)Obstruction of the central airways is an important cause of exercise-induced inspiratory symptoms (EIIS) in young and otherwise healthy individuals. This is a large, heterogeneous and vastly understudied group of patients. ... -
Exercise related respiratory problems in the young—Is it exercise-induced bronchoconstriction or laryngeal obstruction?
Vollsæter, Maria; Stensrud, Trine; Maat, Robert; Halvorsen, Thomas; Røksund, Ola Drange; Sandnes, Astrid; Clemm, Hege Synnøve Havstad (Journal article; Peer reviewed, 2022)Complaints of breathlessness during heavy exercise is common in children and adolescents, and represent expressions of a subjective feeling that may be difficult to verify and to link with specific diagnoses through objective ... -
Exercise-induced laryngeal obstruction (EILO) in athletes: a narrative review by a subgroup of the IOC Consensus on 'acute respiratory illness in the athlete'
Clemm, Hege Synnøve Havstad; Olin, J Tod; McIntosh, Cameron; Schwellnus, Martin; Sewry, Nicola; Hull, James H.; Halvorsen, Thomas (Journal article; Peer reviewed, 2022)Exercise-induced laryngeal obstruction (EILO) is caused by paradoxical inspiratory adduction of laryngeal structures during exercise. EILO is an important cause of upper airway dysfunction in young individuals and athletes, ... -
Exercise-induced laryngeal obstruction in athletes treated with inspiratory muscle training
Sandnes, Astrid; Andersen, Tiina Maarit; Clemm, Hege Synnøve Havstad; Hilland, Magnus; Vollsæter, Maria; Heimdal, John-Helge; Eide, Geir Egil; Halvorsen, Thomas; Røksund, Ola Drange (Peer reviewed; Journal article, 2019-01-18)Background Exercise-induced laryngeal obstruction (EILO) is common in athletes and presents with dyspnoea, chest tightness, inspiratory stridor and sometimes panic reactions. The evidence for conservative treatment is weak, ...