Browsing Bergen Open Research Archive by Author "Halvorsen, Thomas"
Now showing items 21-40 of 52
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Exercise-induced laryngeal obstruction: natural history and effect of surgical treatment
Maat, Robert Christiaan; Hilland, Magnus; Røksund, Ola Drange; Halvorsen, Thomas; Olofsson, Jan; Aarstad, Hans Jørgen; Heimdal, John-Helge (Peer reviewed; Journal article, 2011-06-05)The current follow-up study concerning the supraglottic type of exercise-induced laryngeal obstruction (EILO) was performed to reveal the natural history of supraglottic EILO and compare the symptoms, as well as the laryngeal ... -
Exercise-induced Laryngeal Obstruction: Protocol for a Randomized Controlled Treatment Trial
Clemm, Hege Synnøve Havstad; Røksund, Ola Drange; Andersen, Tiina Maarit; Heimdal, John-Helge; Karlsen, Tom; Hilland, Magnus; Fretheim-Kelly, Zoe; Hufthammer, Karl Ove; Sandnes, Astrid; Hjelle, Sigrun Margrethe; Vollsæter, Maria; Halvorsen, Thomas (Journal article; Peer reviewed, 2022)Background: Exercise-induced laryngeal obstruction (EILO) is a common cause of exertional breathing problems in young individuals, caused by paradoxical inspiratory adduction of laryngeal structures, and diagnosed by ... -
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 ... -
Feasibility and tolerability of measuring translaryngeal pressure during exercise
Kelly, Zoe Louise; Halvorsen, Thomas; Heimdal, John-Helge; Strand, Eric; Vollsæter, Maria; Clemm, Hege Synnøve Havstad; Røksund, Ola Drange (Peer reviewed; Journal article, 2019)Objectives/Hypothesis: To determine if simultaneous tracheal and supraglottic pressure measurement performed during a continuous laryngoscopy exercise (CLE) test is possible, tolerable, and feasible, and if so, whether ... -
Health related quality of life after extremely preterm birth: a matched controlled cohort study
Vederhus, Bente Johanne; Markestad, Trond; Eide, Geir Egil; Graue, Marit; Halvorsen, Thomas (Peer reviewed; Journal article, 2010-05-23)Background: The majority of infants born before the last trimester now grow up. However, knowledge on subsequent health related quality of life (HRQoL) is scarce. We therefore aimed to compare HRQoL in children born extremely ... -
Health-related quality of life and emotional and behavioral difficulties after extreme preterm birth: developmental trajectories
Vederhus, Bente Johanne; Eide, Geir Egil; Natvig, Gerd Karin; Markestad, Trond; Graue, Marit; Halvorsen, Thomas (Peer reviewed; Journal article, 2015-01-20)Background: Knowledge of long-term health related outcomes in contemporary populations born extremely preterm (EP) is scarce.We aimed to explore developmental trajectories of health-related quality of life (HRQoL) and ... -
Histologic chorioamnionitis in extremely preterm births, microbiological findings and infant outcome
Budal, Elisabeth Berge; Bentsen, Mariann; Kessler, Jørg; Ebbing, Cathrine; Lindemann, Paul Christoffer; Haugen, Olav H.; Aukland, Stein Magnus; Eide, Geir Egil; Halvorsen, Thomas; Collett, Karin (Journal article; Peer reviewed, 2023)Background: Histologic chorioamnionitis (HCA) is most often caused by ascending bacterial infection originating from the cervicovaginal tract. Objectives: To investigate whether HCA with a fetal inflammatory response ... -
Human organotypic airway and lung organoid cells of bronchiolar and alveolar differentiation are permissive to infection by influenza and SARS-CoV-2 respiratory virus
Ekanger, Camilla Tvedt; Zhou, Fan; Bohan, Dana; Lotsberg, Maria Lie; Ramnefjell, Maria; Hoareau, Laurence; Røsland, Gro Vatne; Lu, Ning; Aanerud, Marianne; Gärtner, Fabian; Salminen, Pirjo-Riitta; Bentsen, Mariann; Halvorsen, Thomas; Ræder, Helge; Akslen, Lars Andreas; Langeland, Nina; Brokstad, Rebecca Jane Cox; Maury, Wendy; Stuhr, Linda Elin Birkhaug; Lorens, James; Engelsen, Agnete Svendsen Tenfjord (Journal article; Peer reviewed, 2022)The ongoing coronavirus disease 2019 (COVID-19) pandemic has led to the initiation of unprecedented research efforts to understand the pathogenesis mediated by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). ... -
Impaired Lung Function in Extremely Preterm-Born Adults in Their Fourth Decade of Life
Bårdsen, Tonje; Røksund, Ola Drange; Eagan, Tomas Mikal Lind; Hufthammer, Karl Ove; Benestad, Merete Røineland; Clemm, Hege Synnøve Havstad; Halvorsen, Thomas; Vollsæter, Maria (Journal article; Peer reviewed, 2023) -
Laryngeal response patterns influence the efficacy of mechanical assisted cough in amyotrophic lateral sclerosis
Andersen, Tiina Maarit; Sandnes, Astrid; Brekka, Anne Kristine; Hilland, Magnus; Clemm, Hege; Fondenes, Ove; Tysnes, Ole Bjørn; Heimdal, John-Helge; Halvorsen, Thomas; Vollsæter, Maria; Røksund, Ola Drange (Peer reviewed; Journal article, 2017)Background: Most patients with amyotrophic lateral sclerosis (ALS) are treated with mechanical insufflation–exsufflation (MI-E) in order to improve cough. This method often fails in ALS with bulbar involvement, allegedly ... -
Larynx during exercise: the unexplored bottleneck of the airways
Røksund, Ola Drange; Heimdal, John-Helge; Olofsson, Jan; Maat, Robert; Halvorsen, Thomas (Peer reviewed; Journal article, 2014-07-18)Exercise-induced shortness of breath is not uncommon in otherwise healthy young people. Based on the presenting symptoms alone, it is challenging to distinguish exercise-induced asthma (EIA) from exercise-induced obstruction ... -
Left Vocal Cord Paralysis After Patent Ductus Arteriosus Ligation: A Systematic Review.
Engeseth, Merete Salveson; Olsen, Nina Rydland; Mæland, Silje; Halvorsen, Thomas; Goode, Adam; Røksund, Ola Drange (Peer reviewed; Journal article, 2018)Context: Extremely premature (EP) infants are at increased risk of left vocal cord paralysis (LVCP) following surgery for patent ductus arteriosus (PDA). Objective: A Systematical Review was conducted to investigate the ... -
Left vocal cord paralysis, lung function and exercise capacity in young adults born extremely preterm with a history of neonatal patent ductus arteriosus surgery—A national cohort study
Engan, Mette; Engeset, Merete Salveson; Sandvik, Lorentz; Gamlemshaug, Ole C.O.; Engesæter, Ingvild Øvstebø; Øymar, Knut Asbjørn Alexander; Vollsæter, Maria; Røksund, Ola Drange; Hufthammer, Karl Ove; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad (Journal article; Peer reviewed, 2022-01-03)Background: Left vocal cord paralysis (LVCP) is a known complication of patent ductus arteriosus (PDA) surgery in extremely preterm (EP) born neonates; however, consequences of LVCP beyond the first year of life are ... -
Lifelong exposure to air pollution and greenness in relation to asthma, rhinitis and lung function in adulthood
Kuiper, Ingrid Nordeide; Svanes, Cecilie; 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, Andrei; Marcon, Alessandro; Nilsen, Roy Miodini; Sigsgaard, Torben; Johannessen, Ane (Journal article; Peer reviewed, 2021)Objectives To investigate if air pollution and greenness exposure from birth till adulthood affects adult asthma, rhinitis and lung function. Methods: We analysed data from 3428 participants (mean age 28) in the RHINESSA ... -
Long-term follow-up of self-reported mental health and health-related quality of life in adults born extremely preterm
Benestad, Merete; Drageset, Jorunn; Hufthammer, Karl Ove; Vollsæter, Maria; Halvorsen, Thomas; Vederhus, Bente Johanne (Journal article; Peer reviewed, 2022)Background Survival of extremely preterm (EP) birth is increasing, but long-term consequences are still largely unknown as their high survival rates are recent achievements. Aims To examine self-reported mental health, and ... -
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 ... -
Lung sequelae after premature birth : A population based, controlled, long-term cohort study
Halvorsen, Thomas (Doctoral thesis, 2006-02-17) -
Placental histology predicted adverse outcomes in extremely premature neonates in Norway-population-based study
Budal, Elisabeth Berge; Ebbing, Cathrine; Kessler, Jørg; Bains, Sukhjeet; Haugen, Olav H.; Aukland, Stein Magnus; Eide, Geir Egil; Halvorsen, Thomas; Bentsen, Mariann; Collett, Karin (Journal article; Peer reviewed, 2021)Aim We evaluated the role of placental pathology in predicting adverse outcomes for neonates born extremely preterm (EPT) before 28 weeks of gestation. Methods This was a prospective observational study of 123 extremely ... -
Predicting physical activity in a national cohort of children born extremely preterm
Engan, Mette; Engeseth, Merete Salveson; Fevang, Silje Katrine Elgen; Vollsæter, Maria; Eide, Geir Egil; Røksund, Ola Drange; Halvorsen, Thomas; Clemm, Hege Havstad (Journal article; Peer reviewed, 2020)Predicting physical activity in a national cohort of children born extremely preterm. Objectives: To compare physical activity among school-aged children born extremely preterm or with extremely low birthweight (EP/ELBW) ...