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Thomas Halvorsen

Professor
  • E-mailThomas.Halvorsen@uib.no
  • Visitor Address
    Haukeland universitetssykehus, Laboratoriebygget
  • Postal Address
    Postboks 7804
    5020 Bergen

Updated list of publications on PubMed, please click the link below:

https://www.ncbi.nlm.nih.gov/myncbi/16uVRzeeBPOkH/bibliography/public/

Academic article
  • Engeseth, Merete Salveson; Engan, Mette; Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Nilsen, Roy Miodini; Markestad, Trond Jacob; Halvorsen, Thomas; Røksund, Ola Drange. 2020. Voice and Exercise Related Respiratory Symptoms in Extremely Preterm Born Children After Neonatal Patent Ductus Arteriosus. Frontiers in pediatrics. 10 pages.
  • Naumburg, Estelle; Rane, Anders; Halvorsen, Thomas; Glosli, Heidi; Henriksen, Tine Brink; Haraldsson, Àsgeir; Kallio, Jaana; Lepola, Pirkko. 2019. Tardy development of safe medicines for children: a Nordic network offers new platform to reduce this inequity. Acta Paediatrica. 992-993.
  • Stangenes, Kristine Marie; Hysing, Mari; Elgen, Irene Bircow; Halvorsen, Thomas; Markestad, Trond Jacob; Bjorvatn, Bjørn. 2019. Sleep problems, behavioural problems and respiratory health in children born extremely preterm: a parental questionnaire study . BMJ Paediatrics Open. 1-7.
  • 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. 2019. Severe exercise-induced laryngeal obstruction treated with supraglottoplasty. Frontiers in surgery. 1-9.
  • Sørensen, Karen Galta; Øymar, Knut; Dalen, Ingvild; Halvorsen, Thomas; Mikalsen, Ingvild Bruun. 2019. Lung function and bronchial hyper-reactivity from 11 to 18 years in children with bronchiolitis in infancy . Pediatric Allergy and Immunology. 57-65.
  • Andersen, Tiina Maarit; Halvorsen, Thomas; Fondenes, Ove; Heimdal, John-Helge; Røksund, Ola Drange; Vollsæter, Maria. 2019. Larynx: The Complex Gateway to the Lungs. Respiratory care.
  • Fretheim-Kelly, Zoe; Halvorsen, Thomas; Heimdal, John-Helge; Strand, Eric; Vollsæter, Maria; Clemm, Hege Synnøve Havstad; Røksund, Ola Drange. 2019. Feasibility and tolerability of measuring translaryngeal pressure during exercise. The Laryngoscope. 2748-2753.
  • Doyle, Lex W.; Andersson, Sture; Bush, Andy; Cheong, Jeanie L.Y.; Clemm, Hege Synnøve Havstad; Evensen, Kari Anne Indredavik; Gough, Aisling; Halvorsen, Thomas; Hovi, Petteri; Kajantie, Eero Olavi; Lee, Katherine J.; McGarvey, Lorcan; Narang, Indra; Näsänen-Gilmore, Pieta; Steinshamn, Sigurd Loe; Vollsæter, Maria; Vrijlandt, Elianne J.L.E.; APIC, international network. 2019. Expiratory airflow in late adolescence and early adulthood in individuals born very preterm or with very low birthweight compared with controls born at term or with normal birthweight: a meta-analysis of individual participant data. The Lancet Respiratory Medicine. 677-686.
  • Sandnes, Astrid; Andersen, Tiina Maarit; Clemm, Hege Synnøve Havstad; Hilland, Magnus; Vollsæter, Maria; Heimdal, John-Helge; Eide, Geir Egil; Halvorsen, Thomas; Røksund, Ola Drange. 2019. Exercise-induced laryngeal obstruction in athletes treated with inspiratory muscle training. BMJ Open sport & exercise medicine. 1-8.
  • Engan, Mette; Vollsæter, Maria; Øymar, Knut; Markestad, Trond; Eide, Geir Egil; Halvorsen, Thomas; Juliusson, Petur Benedikt; Clemm, Hege Synnøve Havstad. 2019. 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. BMJ Paediatrics Open. 1-11.
  • Bentsen, Mariann; Markestad, Trond; Halvorsen, Thomas. 2018. Ventilator flow data predict bronchopulmonary dysplasia in extremely premature neonates. ERS Monograph. 1-7.
  • Clemm, Hege Synnøve Havstad; Sandnes, Astrid; Vollsæter, Maria; Hilland, Magnus; Heimdal, John-Helge; Røksund, Ola Drange; Halvorsen, Thomas. 2018. The Heterogeneity of Exercise-induced Laryngeal Obstruction. American Journal of Respiratory and Critical Care Medicine. 1068-1069.
  • Skromme, Kaia; Vollsæter, Maria; Øymar, Knut; Markestad, Trond; Halvorsen, Thomas. 2018. Respiratory morbidity through the first decade of life in a national cohort of children born extremely preterm. BMC Pediatrics. 1-13.
  • Vollsæter, Maria; Halvorsen, Thomas; Markestad, Trond; Øymar, Knut; Ueland, Per Magne; Meyer, Klaus; Midttun, Øivind; Monsen, Anne Lise Bjørke. 2018. Renal function and blood pressure in 11 year old children born extremely preterm or small for gestational age. PLOS ONE. 1-11.
  • Stangenes, Kristine Marie; Hysing, Mari; Fevang, Silje Katrine Elgen; Elgen, Irene Bircow; Halvorsen, Thomas; Markestad, Trond; Bjorvatn, Bjørn. 2018. Prenatal and neonatal factors predicting sleep problems in children born extremely preterm or with extremely low birthweight. Frontiers in pediatrics. 1-9.
  • Andersen, Tiina Maarit; Sandnes, Astrid; Fondenes, Ove; Nilsen, Roy Miodini; Tysnes, Ole-Bjørn; Heimdal, John-Helge; Clemm, Hege Synnøve Havstad; Halvorsen, Thomas; Vollsæter, Maria; Røksund, Ola Drange. 2018. Laryngeal responses to mechanically assisted cough in progressing amyotrophic lateral sclerosis. Respiratory care. 538-549.
  • Kotecha, Sailesh; Clemm, Hege Synnøve Havstad; Halvorsen, Thomas; Kotecha, Sarah J. 2018. Bronchial hyper-responsiveness in preterm-born subjects: A systematic review and meta-analysis. Pediatric Allergy and Immunology. 715-725.
  • Hestnes, Julie ; Hoel, Hedda Benedicte; Risa, Ole Johan; Romstøl, Hanna Omholt; Røksund, Ola Drange; Frisk, Bente; Thorsen, Einar; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad. 2017. Ventilatory efficiency in children and adolescents born extremely preterm. Frontiers in Physiology. 8 pages.
  • Bentsen, Mariann; Satrell, Emma ; Reigstad, Hallvard; Johnsen, Synnøve Lian; Vollsæter, Maria; Røksund, Ola Drange; Greve, Gottfried; Berg, Ansgar; Markestad, Trond; Halvorsen, Thomas. 2017. Mid-childhood outcomes after pre-viable preterm premature rupture of membranes. Journal of Perinatology. 1053-1059.
  • Bentsen, Mariann; Markestad, Trond; Øymar, Knut; Halvorsen, Thomas. 2017. Lung function at term in extremely preterm-born infants: A regional prospective cohort study. BMJ Open. 1-10.
  • Tveiten, Lars; Diep, Lien My; Halvorsen, Thomas; Markestad, Trond. 2016. Respiratory rate during the first 24 hours of life in healthy term infants. Pediatrics.
  • Monsen, Anne Lise Bjørke; Vollsæter, Maria; Ueland, Per Magne; Markestad, Trond; Øymar, Knut; Halvorsen, Thomas. 2016. Increased bronchial hyperresponsiveness and higher asymmetric dimethylarginine levels after fetal growth restriction. American Journal of Respiratory Cell and Molecular Biology. 83-89.
  • Røksund, Ola Drange; Heimdal, John-Helge; Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Halvorsen, Thomas. 2016. Exercise inducible laryngeal obstruction: diagnostics and management. Paediatric Respiratory Reviews. 86-94.
  • Bentsen, Mariann; Eriksen, Morten; Olsen, Merete Susan; Markestad, Trond; Halvorsen, Thomas. 2016. Electromagnetic inductance plethysmography is well suited to measure tidal breathing in infants. ERS Monograph.
  • Hilland, Magnus; Røksund, Ola Drange; Sandvik, Lorentz; Haaland, Øystein Ariansen; Aarstad, Hans Jørgen; Halvorsen, Thomas; Heimdal, John-Helge. 2016. Congenital laryngomalacia is related to exerciseinduced laryngeal obstruction in adolescence. Archives of Disease in Childhood. 443-448.
  • Båtsvik, Berit; Vederhus, Bente Johanne; Halvorsen, Thomas; Wentzel-Larsen, Tore; Graue, Marit; Markestad, Trond. 2015. Health-related quality of life may deteriorate from adolescence to young adulthood after extremely preterm birth. Acta Paediatrica. 948-955.
  • Vederhus, Bente Johanne; Eide, Geir Egil; Natvig, Gerd Karin; Markestad, Trond; Graue, Marit; Halvorsen, Thomas. 2015. Health-related quality of life and emotional and behavioral difficulties after extreme preterm birth: Developmental trajectories. PeerJ. 1-18.
  • Norlander, Katarina; Christensen, Pernille M.; Maat, Robert; Halvorsen, Thomas; Heimdal, John-Helge; Moren, Staffan; Rasmussen, Niels; Nordang, Leif. 2015. Comparison between two assessment methods for exercise-induced laryngeal obstructions. European Archives of Oto-Rhino-Laryngology. 425-430.
  • Vollsæter, Maria; Skromme, Kaia; Satrell, Emma Elsa Carolina; Clemm, Hege Synnøve Havstad; Røksund, Ola Drange; Øymar, Knut; Markestad, Trond; Halvorsen, Thomas. 2015. Children born preterm at the turn of the millennium had better lung function than children born similarly preterm in the early 1990s. PLOS ONE. 17 pages.
  • Vollsæter, Maria; Clemm, Hege Synnøve Havstad; Satrell, Emma Elsa Carolina; Eide, Geir Egil; Røksund, Ola Drange; Markestad, Trond; Halvorsen, Thomas. 2015. Adult respiratory outcomes of extreme preterm birth. A regional cohort study. Annals of the American Thoracic Society. 313-322.
  • Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Røksund, Ola Drange; Markestad, Trond; Halvorsen, Thomas. 2015. Adolescents who were born extremely preterm demonstrate modest decreases in exercise capacity. Acta Paediatrica. 1174-1181.
  • Bentsen, Mariann; Haaland, Øystein Ariansen; Lønning, Lise Broll; Gudmundsdóttir, Hrefna Katrín; Markestad, Trond; Halvorsen, Thomas. 2015. A new non-invasive method of infant spirometry demonstrates a level of repeatability that is comparable to traditional methods. Acta Paediatrica. 1130-1137.
  • Røksund, Ola Drange; Heimdal, John-Helge; Olofsson, Jan; Maat, Robert; Halvorsen, Thomas. 2014. Larynx during exercise: the unexplored bottleneck of the airways. European Archives of Oto-Rhino-Laryngology. 2101-2109.
  • Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Røksund, Ola Drange; Eide, Geir Egil; Markestad, Trond; Halvorsen, Thomas. 2014. Exercise capacity after extremely preterm birth: Development from adolescence to adulthood. Annals of the American Thoracic Society. 537-545.
  • Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Øymar, Knut. 2014. Blood eosinophil counts during bronchiolitis are related to bronchial hyper-responsiveness and lung function in early adolescence. Acta Paediatrica. 86-92.
  • Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Eide, Geir Egil; Øymar, Knut. 2013. Severe bronchiolitis in infancy: Can asthma in adolescence be predicted? Pediatric Pulmonology. 538-544.
  • Satrell, Emma; Røksund, Ola Drange; Thorsen, Einar; Halvorsen, Thomas. 2013. Pulmonary gas transfer in children and adolescents born extremely preterm. European Respiratory Journal. 1536-1544.
  • Vollsæter, Maria; Røksund, Ola Drange; Eide, Geir Egil; Markestad, Trond; Halvorsen, Thomas. 2013. Lung function after preterm birth: development from mid-childhood to adulthood. Thorax. 767-776.
  • Andersen, Tiina Maarit; Sandnes, Astrid; Hilland, Magnus; Halvorsen, Thomas; Fondenes, Ove; Heimdal, John-Helge; Tysnes, Ole-Bjørn; Røksund, Ola Drange. 2013. Laryngeal response patterns to mechanical insufflation-exsufflation in healthy subjects. American Journal of Physical Medicine & Rehabilitation. 920-929.
  • Sandnes, Astrid; Andersen, Tiina Maarit; Hilland, Magnus; Ellingsen, Thor Andre; Halvorsen, Thomas; Heimdal, John-Helge; Røksund, Ola Drange. 2013. Laryngeal movements during inspiratory muscle training in healthy subjects. Journal of Voice. 448-453.
  • Bjørke-Monsen, Anne Lise; Halvorsen, Thomas; Midttun, Øyvind; Ueland, Per Magne. 2013. Increased inflammatory markers in adolescents born extremely preterm and small for gestational age. Journal of Pediatric Biochemistry. 239-246.
  • Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Øymar, Knut. 2013. Exhaled nitric oxide is related to atopy, but not asthma in adolescents with bronchiolitis in infancy. BMC Pulmonary Medicine.
  • Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Øymar, Knut. 2012. The outcome after severe bronchiolitis is related to gender and virus. Pediatric Allergy and Immunology. 391-398.
  • Vederhus, Bente Johanne; Eide, Geir Egil; Natvig, Gerd Karin; Markestad, Trond; Graue, Marit; Halvorsen, Thomas. 2012. Pain tolerance and pain perception in adolescents born extremely preterm. Journal of Pain. 978-987.
  • Havstad, Hege Synnøve; Røksund, Ola Drange; Thorsen, Einar; Eide, Geir Egil; Markestad, Trond; Halvorsen, Thomas. 2012. Aerobic capacity and exercise performance in young people born extremely preterm. Pediatrics. E97-E105.
  • Maat, Robert; Hilland, Magnus; Røksund, Ola Drange; Halvorsen, Thomas; Olofsson, Jan; Aarstad, Hans Jørgen; Heimdal, John-Helge. 2011. Exercise-induced laryngeal obstruction: natural history and effect of surgical treatment. European Archives of Oto-Rhino-Laryngology. 1485-1492.
  • Røksund, Ola Drange; Havstad, Hege Synnøve; Heimdal, John-Helge; Aukland, Stein Magnus; Sandvik, Lorentz; Markestad, Trond; Halvorsen, Thomas. 2010. Left vocal cord paralysis after extreme preterm birth, a new clinical scenario in adults. Pediatrics. E1569-E1577.
  • Vederhus, Bente Johanne; Markestad, Trond; Eide, Geir Egil; Graue, Marit; Halvorsen, Thomas. 2010. Health related quality of life after extremely preterm birth: a matched controlled cohort study. Health and Quality of Life Outcomes. 8 pages.
  • Aukland, Stein Magnus; Rosendahl, Karen; Owens, Catherine M.; Fosse, Kari Røine; Eide, Geir Egil; Halvorsen, Thomas. 2009. Neonatal bronchopulmonary dysplasia predicts abnormal pulmonary HRCT scans in long-term survivors of extreme preterm birth. Thorax. 405-410.
  • Røksund, Ola Drange; Maat, Robert; Heimdal, John-Helge; Olofsson, Jan; Skadberg, Britt Torunn; Halvorsen, Thomas. 2009. Exercise induced dyspnea in the young. Larynx as the bottleneck of the airways. Respiratory Medicine. 1911-1918.
  • Maat, Robert; Røksund, Ola Drange; Halvorsen, Thomas; Skadberg, Britt Torunn; Olofsson, Jan; Ellingsen, Thor Andre; Aarstad, Hans Jørgen; Heimdal, John-Helge. 2009. Audiovisual assessment of exercise-induced laryngeal obstruction: reliability and validity of observations. European Archives of Oto-Rhino-Laryngology. 1929-1936.
  • Downham, Esther; Winterthun, Synnøve; Nakkestad, Hanne Linda; Hirth, Asle; Halvorsen, Thomas; Taylor, Robert W.; Bindoff, Laurence. 2008. A novel mitochondrial ND5 (MTND5) gene mutation giving isolated exercise intolerance. Neuromuscular Disorders. 310-314.
  • Maat, Robert; Røksund, Ola Drange; Olofsson, Jan; Halvorsen, Thomas; Skadberg, Britt Torunn; Heimdal, John-Helge. 2007. Surgical treatment of exercise-induced laryngeal dysfunction. European Archives of Oto-Rhino-Laryngology. 401-407.
  • Heimdal, John-Helge; Røksund, Ola Drange; Halvorsen, Thomas; Skadberg, Britt Torunn; Olofsson, Jan. 2007. Continuous Laryngoscopy Exercise Test: A Method for Visualizing Laryngeal Dysfunction During Exercise (Letter). The Laryngoscope. 1509-1510.
  • Øymar, Knut; Halvorsen, Thomas; Aksnes, Lage. 2006. Mast cell activation and leukotriene secretion in wheezing infants. Relation to respiratory syncytial virus and outcome. Pediatric Allergy and Immunology. 37-42.
  • Aukland, Stein Magnus; Halvorsen, Thomas; Fosse, Kari; Daltveit, Anne Kjersti; Rosendahl, Karen. 2006. High-resolution CT of the chest in children and young adults who were born prematurely: Findings in a population-based study. American Journal of Roentgenology. 1012-1018.
  • Heimdal, John-Helge; Røksund, Ola Drange; Halvorsen, Thomas; Skadberg, Britt Torunn; Olofsson, Jan. 2006. Continuous laryngoscopy exercise test: a method for visualizing laryngeal dysfunction during exercise. The Laryngoscope. 52-57.
  • Halvorsen, Thomas; Skadberg, Britt Torunn; Eide, Geir Egil; Røksund, Ola Drange; Markestad, Trond. 2006. Better care of immature infants; Has it influenced long-term pulmonary outcome? Acta Paediatrica. 547-554.
  • Halvorsen, Thomas; Skadberg, Brit; Eide, Geir Egil; Røksund, Ola; Aksnes, Lage; Øymar, Knut. 2005. Characteristics of asthma and airway hyper-responsiveness after premature birth. Pediatric Allergy and Immunology. 487-494.
  • Halvorsen, Thomas; Skadberg, Britt Torunn; Eide, Geir Egil; Røksund, Ola Drange; Bakke, Per; Thorsen, Einar. 2005. Assessment of lung volumes in children and adolescents: comparison of two plethysmographic techniques. Clinical Physiology and Functional Imaging. 62-68.
  • Halvorsen, Thomas; Skadberg, Britt Torunn; Eide, Geir Egil; Roksund, Ola Drange; Carlsen, Kai-Håkon; Bakke, Per. 2004. Pulmonary outcome in adolescents of extreme preterm birth: a regional cohort study. Acta Paediatrica. 1294-1300.
  • Øymar, Knut; Havnen, Jakob; Halvorsen, Thomas; Bjerknes, Robert. 2001. Eosinophil counts and urinary eosinophil protein X in children hospitalized for wheezing during the first year of life: prediction of recurrent wheezing. Acta Paediatrica. 843-849.
  • Halvorsen, Thomas; Valvatne, Håvard; Grewal, Harleen; Gaastra, Wim; Sommerfelt, Halvor. 1997. Expression of colonization factor I fimbriae by enterotoxigenic Escherichia coli; influence of growth conditions and a recombinant positive regulatory gene. Acta Pathologica, Microbiologica et Immunologica Scandinavica (APMIS). 247-254.
Academic lecture
  • Engeseth, Merete Salveson; Engan, Mette; Clemm, Hege Synnøve Havstad; Nilsen, Roy Miodini; Vollsæter, Maria; Halvorsen, Thomas; Røksund, Ola Drange. 2019. Respiratory- and voice symptoms among extremely preterm born children with prolonged ventilator dependency. A Norwegian national cohort study. .
  • Engeseth, Merete Salveson; Maeland, Silje; Vollsæter, Maria; Clemm, Hege; Engan, Mette; Halvorsen, Thomas; Røksund, Ola Drange. 2018. Symptoms of vocal cord paresis among children born extremely premature with- or without a PDA ligation. .
  • Jansrud, Ida; Bovim, Lars Peder Vatshelle; Vollsæter, Maria; Røksund, Ola Drange; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad. 2018. Is continuous laryngoscopy during cardiopulmonary exercise testing reliable for measuring maximum oxygen uptake?
  • Halvorsen, Thomas. 2010. Respiratory follow-up of the grown preterm.
  • Halvorsen, Thomas. 2007. Lung sequelae after preterm birth.
  • Halvorsen, Thomas. 2007. Exercise induced Vocal Cord Dysfunction.
  • Halvorsen, Thomas. 2007. Exercise induced Vocal Cord Dysfunction.
  • Halvorsen, Thomas. 2005. Exercise-induced vocal cord dysfunction.
  • Halvorsen, Thomas. 2003. Obstructive pulmonary disease and physical activity in childhood.
  • Halvorsen, Thomas. 2003. Exercise induced stridor: Visualising the problem.
Editorial
  • Halvorsen, Thomas. 2018. Our tiny preemies: What will become of their future pulmonary health? Annals of the American Thoracic Society. 1276-1278.
Reader opinion piece
  • Øymar, Knut; Mikalsen, Ingvild Bruun; Nag, Torbjørn; Halvorsen, Thomas; Crowley, Suzanne. 2017. Systemiske steroider til førskolebarn med symptomer fra nedre luftveier. Tidsskrift for Den norske legeforening. 698-699.
  • Mikalsen, Ingvild Bruun; Halvorsen, Thomas; Øymar, Knut. 2013. The optimal management for patients (Letter). Pediatric Pulmonology. 936-936.
  • Halvorsen, Thomas; Røksund, Ola Drange; Maat, Robert; Heimdal, John-Helge. 2011. Use of Post-Exercise Laryngoscopy to Evaluate Exercise Induced Dyspnea (Letter). Pediatric Pulmonology. 515-516.
Letter to the editor
  • Andersen, Tiina Maarit; Sandnes, Astrid; Fondenes, Ove; Clemm, Hege Synnøve Havstad; Halvorsen, Thomas; Nilsen, Roy Miodini; Tysnes, Ole-Bjørn; Heimdal, John-Helge; Vollsæter, Maria; Røksund, Ola Drange. 2018. Laryngoscopy Can Be a Valuable Tool for Unexpected Therapeutic Response in Noninvasive Respiratory Interventions. Respiratory care. 1459-1461.
  • Halvorsen, Thomas; Røksund, O.D.; Heimdal, John-Helge; Olofsson, Jan. 2011. Larynx in exercising humans; the unexplored bottleneck of the airways (Letter). Pediatrics. 1 pages.
Doctoral dissertation
  • Bentsen, Mariann. 2018. Tidal breathing parameters in extremely premature infants. Feasibility and clinical utility of electromagnetic inductance plethysmography.
  • Andersen, Tiina Maarit. 2018. Laryngeal response patterns during mechanically assisted cough in Amyotrophic Lateral Sclerosis.
  • Vollsæter, Maria. 2016. Long-term Respiratory Outcomes of Extreme Preterm Birth. A regional cohort study.
  • Clemm, Hege Synnøve Havstad. 2015. Exercise Capacity after extremely preterm birth. Development from childhood to adulthood.
  • Halvorsen, Thomas. 2006. Lung sequelae after premature birth. A population based, controlled, long-term cohort study (dissertation).
Abstract
  • Hestnes, Julie; Hoel, Hedda B; Røksund, Ola Drange; Frisk, Bente; Thorsen, Einar; Halvorsen, Thomas; Vollsæter, Maria; Clemm, Hege Synnøve Havstad. 2016. Ventilatory efficiency in children and adolescents born extremely preterm. European Respiratory Journal.
  • Instebø, Arne; Helgheim, Vegard; Greve, Gottfried; Halvorsen, Thomas. 2013. Day To Day Repeatability And Circadian Variation Of Lung Volume Measurements. Medicine & Science in Sports & Exercise. 291-291.
Poster
  • Engeseth, Merete Salveson; Røksund, Ola Drange; Vollsæter, Maria; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad. 2016. Respiratory morbidity in extremely premature born children and later physical Activity. .
  • Vollsæter, Maria; Clemm, Hege Synnøve Havstad; Heimdal, John-Helge; Halvorsen, Thomas; Røksund, Ola Drange. 2014. Spirometry- a tool for diagnosing exercise induced laryngeal obstruction (EILO)?
  • Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Hilland, Magnus; Sandnes, Astrid; Sandvik, Lorentz; Halvorsen, Thomas; Heimdal, John-Helge; Røksund, Ola Drange. 2014. Exercise induced laryngeal obstruction(EILO)diagnosed with laryngoscopy during rest or during exercise?
  • Campos, Carolina; Røksund, Ola Drange; Vollsæter, Maria; Heimdal, John-Helge; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad. 2014. Exercise induced inspiratory symptoms.
  • Clemm, Hege Synnøve Havstad; Vollsæter, Maria; Røksund, Ola Drange; Halvorsen, Thomas; Heimdal, John-Helge. 2014. Exercise induced inspiratory stridor (EIIS) in athletes.
  • Vollsæter, Maria; Clemm, Hege Synnøve Havstad; Heimdal, John-Helge; Halvorsen, Thomas; Røksund, Ola Drange. 2014. Exercise Induced Inspiratory Stridor (EIIS) - A growing Challenge during Physical activity.
  • Vollsæter, Maria; Clemm, Hege Synnøve Havstad; Thorsen, Einar; Øymar, Knut; Røksund, Ola Drange; Markestad, Trond; Halvorsen, Thomas. 2014. Alveolar nitric oxide(NO)in children born extremely preterm (EP).
Academic literature review
  • Fretheim-Kelly, Zoe Louise; Halvorsen, Thomas; Clemm, Hege Synnøve Havstad; Røksund, Ola Drange; Heimdal, John-Helge; Vollsæter, Maria; Fintl, Constanze; Strand, Eric. 2019. Exercise induced laryngeal obstructions in humans and equines. A comparative review . 1-10.
  • Røksund, Ola Drange; Olin, James Tod; Halvorsen, Thomas. 2018. Working towards a common transatlantic approach for evaluation of exercise-induced laryngeal obstruction. 281-292.
  • Clemm, Hege Synnøve Havstad; Engeseth, Merete Salveson; Vollsæter, Maria; Kotecha, Sailesh; Halvorsen, Thomas. 2018. Bronchial hyper-responsiveness after preterm birth. 34-40.
  • Engeseth, Merete Salveson; Olsen, Nina Rydland; Mæland, Silje; Halvorsen, Thomas; Goode, Adam; Røksund, Ola Drange. 2017. Left vocal cord paralysis after patent ductus arteriosus ligation: A systematic review. 74-85.
  • Engeseth, Merete Salveson; Olsen, Nina Rydland; Røksund, Ola Drange; Mæland, Silje; Goode, Adam P.; Halvorsen, Thomas. 2016. A systematic review and meta-analysis: Prevalence and consequences of left recurrent laryngeal nerve paresis following surgical ligation of patent ductus arteriosus in extremely premature infants. PROSPERO 2016:CRD42016029921 Available from http://www.crd.york.ac.uk/PROSPERO_REBRANDING/display_record.asp?ID=CRD42016029921.
  • Skromme, Kaia; Leversen, Katrine Tyborg; Eide, Geir Egil; Markestad, Trond; Halvorsen, Thomas. 2015. Respiratory illness contributed significantly to morbidity in children born extremely premature or with extremely low birthweights in 1999-2000. 1189-1198.
  • Christensen, Pernille M.; Heimdal, John-Helge; Christopher, Kent L.; Bucca, Caterina; Cantarella, Giovanna; Friedrich, Gerhard; Halvorsen, Thomas; Herth, Felix; Jung, Harald; Morris, Michael J.; Remacle, Marc; Rasmussen, Niels; Wilson, Janet A. 2015. ERS/ELS/ACCP 2013 international consensus conference nomenclature on inducible laryngeal obstructions. 445-450.
  • Heimdal, John-Helge; Halvorsen, Thomas; Maat, Robert; Røksund, Ola Drange; Olofsson, Jan. 2011. Exercise Induced Laryngeal Obstruction (EILO): Diagnosis and Management. 117-123.
  • Øymar, Knut; Halvorsen, Thomas. 2009. Emergency presentation and management of acute severe asthma in children. 11.
Article in business/trade/industry journal
  • Røksund, Ola Drange; Halvorsen, Thomas; Heimdal, John-Helge. 2018. Heterogeniteten ved anstrengelsesutløst laryngeal obstruksjon. BestPractice. Lungemedisin. 22-26.
  • Røksund, Ola Drange; Heimdal, John-Helge; Halvorsen, Thomas. 2016. Anstrengelsesutløst laryngeal obstruksjon - diagnostikk og behandling. Best Practice Lungemedisin i Norge. 22-25.

More information in national current research information system (CRIStin)

Updated list of publications on PubMed, please click the link below:

https://www.ncbi.nlm.nih.gov/myncbi/16uVRzeeBPOkH/bibliography/public/