• 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 ...
    • 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 ...
    • 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 ...
    • 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-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, ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Long-term Respiratory Outcomes of Extreme Preterm Birth. A regional cohort study 

      Vollsæter, Maria (Doctoral thesis, 2016-04-22)
      Background: Survival after extremely preterm (EP) birth has increased considerably during the last three decades. The lifetime respiratory prospects for survivors are unknown. Aim: To study long-term respiratory health ...
    • Physiotherapy improves symptoms of exercise-induced laryngeal obstruction in young elite athletes: A case series 

      Kolnes, Liv-Jorunn; Vollsæter, Maria; Røksund, Ola Drange; Stensrud, Trine (Peer reviewed; Journal article, 2019)
      Objective: A constricted, upper chest breathing pattern and postural dealignments habitually accompany exercise-induced laryngeal obstruction (EILO), but there are few effective treatments for athletes presenting with EILO. ...
    • 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) ...
    • Prevalence of long-term mechanical insufflation-exsufflation in children with neurological conditions: a population-based study 

      Hov, Brit; Andersen, Tiina Maarit; Toussaint, Michel; Vollsæter, Maria; Mikalsen, Ingvild Bruun; Indrekvam, Solfrid; Hovland, Vegard (Journal article; Peer reviewed, 2021)
      Aim: To determine the prevalence of long-term mechanical insufflation-exsufflation (MI-E) and concomitant mechanical ventilation in children with neurological conditions, with reported reasons behind the initiation of ...
    • Reliability of maximum oxygen uptake in cardiopulmonary exercise testing with continuous laryngoscopy 

      Engan, Mette; Jansrud, Ida; Bekken, Marianne; Halvorsen, Thomas; Fretheim-Kelly, Zoe Louise; Vollsæter, Maria; Bovim, Lars Peder Vatshelle; Røksund, Ola Drange; Clemm, Hege Havstad (Journal article; Peer reviewed, 2020)
      Aims: A cardiopulmonary exercise test (CPET) is the gold standard to evaluate symptom-limiting exercise intolerance, while continuous laryngoscopy performed during exercise (CLE) is required to diagnose exercise-induced ...
    • Self-Reported Health in Adolescents With Exercise-Induced Laryngeal Obstruction; A Cross-Sectional Study 

      Benestad, Merete R.; Drageset, Jorunn; Clemm, Hege Synnøve Havstad; Røksund, Ola Drange; Vollsæter, Maria; Halvorsen, Thomas; Hysing, Mari; Vederhus, Bente Johanne (Journal article; Peer reviewed, 2021)
      Background: Exercise-induced laryngeal obstruction (EILO) is common in young people with exertional breathing difficulties. Psychological characteristics have been proposed as underlying contributors; however, the evidence ...
    • Severe exercise-induced laryngeal obstruction treated with supraglottoplasty 

      Sandnes, Astrid; Hilland, Magnus; Vollsæter, Maria; Andersen, Tiina Maarit; Engesæter, Ingvild Øvstebø; Sandvik, Lorentz; Heimdal, John-Helge; Halvorsen, Thomas; Eide, Geir Egil; Røksund, Ola Drange; Clemm, Hege Synnøve Havstad (Peer reviewed; Journal article, 2019-07-31)
      Introduction: Exercise induced laryngeal obstruction (EILO) is relatively common in adolescents, with symptoms often confused with exercise induced asthma. EILO often starts with medial or inward rotation of supraglottic ...
    • Tailoring NIV by dynamic laryngoscopy in a child with spinal muscular atrophy type I 

      Vollsæter, Maria; Skjoldmo, Anett; Røksund, Ola Drange; Hilland, Magnus; Andersen, Tiina Maarit (Journal article; Peer reviewed, 2021)
      Dynamic laryngoscopy during noninvasive (NIV) respiratory therapy is feasible and may facilitate optimal and individualized treatment in patients with chronic respiratory failure, also in children.