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  1. Employees

Språkvelger

Norsk

Håkon Olav Leira

Håkon Olav Leira

Associate Professor
Department of Circulation and Medical Imaging
Faculty of Medicine and Health Sciences

hakon.o.leira@ntnu.no
AHL-senteret, Øya
Publications Media

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2022

  • Bouget, David Nicolas Jean-Mar; Pedersen, André; Vanel, Johanna; Leira, Håkon Olav; Langø, Thomas. (2022) Mediastinal lymph nodes segmentation using 3D convolutional neural network ensembles and anatomical priors guiding. Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization.
    Academic article
  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Peters, Karlijn; Van Beek, Gregory; Sorger, Hanne; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2022) A novel clip-on device for electromagnetic tracking in endobronchial ultrasound bronchoscopy. MITAT. Minimally invasive therapy & allied technologies. volum 31 (7).
    Academic article

2019

  • Bakeng, Janne Beate Lervik; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Eiesland, Jon Wostryck; Tangen, Geir Arne; Amundsen, Tore; Langø, Thomas; Reinertsen, Ingerid; Selbekk, Tormod; Leira, Håkon Olav. (2019) Using the CustusX toolkit to create an image guided bronchoscopy application: Fraxinus. PLOS ONE. volum 14:e0211772 (2).
    Academic article
  • Bouget, David Nicolas Jean-Marie; Jørgensen, Arve; Kiss, Gabriel; Leira, Håkon Olav; Langø, Thomas. (2019) Semantic segmentation and detection of mediastinal lymph nodes and anatomical structures in CT data for lung cancer staging. International Journal of Computer Assisted Radiology and Surgery. volum 14 (6).
    Academic article
  • Hinds, Stephen Michael; Jaeger, Herman Alexander; Burke, Richard; O'Sullivan, Brodie; Keane, Joseph; Trauzettel, Fabian; Marques, Bruno; Cotin, Stéphane; Bird, Brian; Leira, Håkon Olav; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Langø, Thomas; Cantillon-Murphy, Pádraig. (2019) An open electromagnetic tracking framework applied to targeted liver tumour ablation. International Journal of Computer Assisted Radiology and Surgery. volum 14 (9).
    Academic article

2018

  • Ciobirca, C; Langø, Thomas; Gruionu, G; Leira, Håkon Olav; Gruionu, Lucian; Pastrama, SD. (2018) A new procedure for automatic path planning in bronchoscopy. Materials Today: Proceedings. volum 5 (13).
    Academic article
  • Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Daverieux, Federico; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Kennedy, Marcus P; Langø, Thomas; Cantillon-Murphy, Pádraig. (2018) Peripheral tumour targeting using open-source virtual bronchoscopy with electromagnetic tracking: a multi-user pre-clinical study. MITAT. Minimally invasive therapy & allied technologies.
    Academic article
  • Kennedy, Marcus P; Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Davrieux, Carlos Federico; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Langø, Thomas; Cantillon-Murphy, Pádraig. (2018) ENDOBRONCHIAL TUMOR TARGETING USING A NOVEL ALIGNMENT OF AN OPEN-SOURCE VIRTUAL BRONCHOSCOPY PLATFORM WITH ELECTROMAGNETIC TRACKING: A MULTI-USER PRECLINICAL STUDY. Chest. volum 154 (4).
    Abstract
  • Reynisson, Pall Jens; Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Hatlen, Peter; Amundsen, Tore; Hofstad, Erlend Fagertun. (2018) Pulmonologist evaluation on new CT visualization for guidance to lung lesions during bronchoscopy. MITAT. Minimally invasive therapy & allied technologies.
    Academic article

2017

  • Ciobirca, Catalin; Gruionu, G; Langø, Thomas; Leira, Håkon Olav; Gruionu, LG; Amundsen, Tore; Nutu, E; Pastrama, SD. (2017) An algorithm to obtain a theoretical model of the bronchial tree. Materials Today: Proceedings. volum 4 (5).
    Academic article
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Bakeng, Janne Beate Lervik; Gruionu, Lucian; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2017) Intraoperative localized constrained registration in navigated bronchoscopy. Medical Physics (Lancaster). volum 44 (8).
    Academic article
  • Reynisson, Pall Jens; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Askeland, Christian; Langø, Thomas; Sorger, Hanne; Lindseth, Frank; Amundsen, Tore; Hernes, Toril A. Nagelhus. (2017) A new visualization method for navigated bronchoscopy. MITAT. Minimally invasive therapy & allied technologies. volum 27 (2).
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Bakeng, Janne Beate Lervik; Leira, Håkon Olav. (2017) A multimodal image guiding system for Navigated Ultrasound Bronchoscopy (EBUS): A human feasibility study. PLOS ONE. volum 12 (2).
    Academic article

2016

  • Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Tyvold, Stig Sverre; Langø, Thomas; Hammer, Tommy Arild; Manstad-Hulaas, Frode; Mattsson, Erney. (2016) A new removable airway stent. European Clinical Respiratory Journal. volum 3 (1).
    Academic article
  • Ciobirca, Catalin; Popa, Teodoru; Gruionu, Gabriel; Langø, Thomas; Leira, Håkon Olav; Pastrama, SD; Gruionu, Lucian. (2016) Virtual bronchoscopy method based on marching cubes and an efficient collision detection and resolution algorithm. Ciencia e Tecnologia dos Materiais. volum 28.
    Academic article
  • Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Salarinejad, Majid; Nesvik, Bjarte; Hollund, Raymond; Nesgård, Kristin; Nordhaug, Dag Ole; Amundsen, Tore. (2016) Learning endobronchial ultrasound transbronchial needle aspiration – a 6-year experience at a single institution. Clinical Respiratory Journal. volum 12 (1).
    Academic article

2015

  • Askeland, Christian; Solberg, Ole Vegard; Bakeng, Janne Beate Lervik; Reinertsen, Ingerid; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Iversen, Daniel Høyer; Våpenstad, Cecilie; Selbekk, Tormod; Langø, Thomas; Hernes, Toril A. Nagelhus; Leira, Håkon Olav; Unsgård, Geirmund; Lindseth, Frank. (2015) CustusX: an open-source research platform for image-guided therapy. International Journal of Computer Assisted Radiology and Surgery. volum 11 (4).
    Academic article
  • Hatlen, Peter; Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Müller, Tomm Brostrup; Mahesparan, Rupavathana; Hjelde, Harald Harris. (2015) Aggressive Treatment of Brain Metastasis Increases Survival in Patients with Lung Cancer. Journal of Pulmonary and Respiratory Medicine. volum 5 (4).
    Academic article
  • Leira, Håkon Olav. (2015) E-sigaretter – et viktig virkemiddel mot røykeskader. Tidsskrift for Den norske legeforening. volum 135 (23/24).
    Reader opinion piece
  • Reynisson, Pall Jens; Scali, Marta; Smistad, Erik; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Lindseth, Frank; Hernes, Toril A. Nagelhus; Amundsen, Tore; Sorger, Hanne; Langø, Thomas. (2015) Airway segmentation and centerline extraction from thoracic CT - Comparison of a new method to state of the art commercialized methods. PLOS ONE. volum 10:e0144282 (12).
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) A novel platform for electromagnetic navigated ultrasound bronchoscopy (EBUS). International Journal of Computer Assisted Radiology and Surgery.
    Academic article

2014

  • Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2014) Automatic registration of CT images to patient during the initial phase of bronchoscopy: A clinical pilot study. Medical Physics (Lancaster). volum 41 (4).
    Academic article
  • Leira, Håkon Olav. (2014) Mye lungekreft - lite forskning :. Tidsskrift for Den norske legeforening. volum 134 (23/24).
    Feature article
  • Reynisson, Pall Jens; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Scali, Marta; Sorger, Hanne; Amundsen, Tore; Lindseth, Frank; Langø, Thomas. (2014) Navigated bronchoscopy : A technical review. Journal of Bronchology & Interventional Pulmonology. volum 21 (3).
    Academic literature review

2013

  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Sorger, Hanne; Amundsen, Tore. (2013) Bronchoscope-induced Displacement of Lung Targets: First In Vivo Demonstration of Effect From Wedging Maneuver in Navigated Bronchoscopy. Journal of Bronchology & Interventional Pulmonology. volum 20 (3).
    Academic article

2012

  • Bø, Lars Eirik; Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas. (2012) Accuracy of electromagnetic tracking with a prototype field generator in an interventional OR setting. Medical Physics (Lancaster). volum 39 (1).
    Academic article
  • Leira, Håkon Olav. (2012) Development of an image guidance research system for bronchoscopy. 2012. ISBN 978-82-471-3829-8.
    Doctoral dissertation
  • Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Langø, Thomas; Amundsen, Tore. (2012) A novel in vivo method for lung segment movement tracking. Physics in Medicine and Biology. volum 57 (4).
    Academic article

2011

  • Hofstad, Erlend Fagertun; Bø, Lars Eirik; Tangen, Geir Arne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2011) Accuracy of electromagnetic tracking in navigated bronchoscopy with a prototype field generator in an interventional or setting. Journal of Thoracic Oncology. volum 6 (6).
    Abstract
  • Leira, Håkon Olav; Amundsen, Tore; Tangen, Geir Arne; Bø, Lars Eirik; Manstad-Hulaas, Frode; Langø, Thomas. (2011) A novel research platform for electromagnetic navigated bronchoscopy using cone beam CT imaging and an animal model. MITAT. Minimally invasive therapy & allied technologies. volum 20 (1).
    Academic article
  • Leira, Håkon Olav; Hofstad, Erlend Fagertun; Bø, Lars Eirik; Langø, Thomas; Amundsen, Tore. (2011) Navigated Bronchoscopy With Electromagnetic Tracking — Cone Beam Computed Tomography Influence on Tracking and Registration Accuracy. Journal of Bronchology & Interventional Pulmonology. volum 18 (4).
    Academic article
  • Leira, Håkon Olav; Lang, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) A new method for in-vivo lung movement tracking - for diagnosis and therapy in lung medicine. Journal of Thoracic Oncology. volum 6 (6).
    Abstract
  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) The influence on lung segment and tumor movement by bronchoscopic instruments – impact on navigated bronchoscopy. Journal of Thoracic Oncology. volum 6 (6).
    Abstract

2005

  • Kaspersen, Jon Harald; Aasland, Jenny; Leira, HO; Ødegard, Asbjørn; Nagelhus, Bjørn; Storset, G; Lundbom, J; Rosenlund, TT; Tjora, Aksel; Myhre, Hans Olav. (2005) Three-dimensional teleradiology for surveillance following endovascular aortic aneurysm repair: A feasibility study. Journal of Endovascular Therapy. volum 12.
    Academic article
  • Pedersen, Marit; Aasland, Jenny Kristin; Kaspersen, Jon Harald; Leira, Håkon Olav; Myhre, Hans Olav. (2005) Teleradiologisk oppfolging av pasienter behandlet med stentgraft i aorta. Tidsskrift for Den norske legeforening. volum 125 (10).
    Academic article

Journal publications

  • Bouget, David Nicolas Jean-Mar; Pedersen, André; Vanel, Johanna; Leira, Håkon Olav; Langø, Thomas. (2022) Mediastinal lymph nodes segmentation using 3D convolutional neural network ensembles and anatomical priors guiding. Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization.
    Academic article
  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Peters, Karlijn; Van Beek, Gregory; Sorger, Hanne; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2022) A novel clip-on device for electromagnetic tracking in endobronchial ultrasound bronchoscopy. MITAT. Minimally invasive therapy & allied technologies. volum 31 (7).
    Academic article
  • Bakeng, Janne Beate Lervik; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Eiesland, Jon Wostryck; Tangen, Geir Arne; Amundsen, Tore; Langø, Thomas; Reinertsen, Ingerid; Selbekk, Tormod; Leira, Håkon Olav. (2019) Using the CustusX toolkit to create an image guided bronchoscopy application: Fraxinus. PLOS ONE. volum 14:e0211772 (2).
    Academic article
  • Bouget, David Nicolas Jean-Marie; Jørgensen, Arve; Kiss, Gabriel; Leira, Håkon Olav; Langø, Thomas. (2019) Semantic segmentation and detection of mediastinal lymph nodes and anatomical structures in CT data for lung cancer staging. International Journal of Computer Assisted Radiology and Surgery. volum 14 (6).
    Academic article
  • Hinds, Stephen Michael; Jaeger, Herman Alexander; Burke, Richard; O'Sullivan, Brodie; Keane, Joseph; Trauzettel, Fabian; Marques, Bruno; Cotin, Stéphane; Bird, Brian; Leira, Håkon Olav; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Langø, Thomas; Cantillon-Murphy, Pádraig. (2019) An open electromagnetic tracking framework applied to targeted liver tumour ablation. International Journal of Computer Assisted Radiology and Surgery. volum 14 (9).
    Academic article
  • Ciobirca, C; Langø, Thomas; Gruionu, G; Leira, Håkon Olav; Gruionu, Lucian; Pastrama, SD. (2018) A new procedure for automatic path planning in bronchoscopy. Materials Today: Proceedings. volum 5 (13).
    Academic article
  • Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Daverieux, Federico; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Kennedy, Marcus P; Langø, Thomas; Cantillon-Murphy, Pádraig. (2018) Peripheral tumour targeting using open-source virtual bronchoscopy with electromagnetic tracking: a multi-user pre-clinical study. MITAT. Minimally invasive therapy & allied technologies.
    Academic article
  • Kennedy, Marcus P; Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Davrieux, Carlos Federico; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Langø, Thomas; Cantillon-Murphy, Pádraig. (2018) ENDOBRONCHIAL TUMOR TARGETING USING A NOVEL ALIGNMENT OF AN OPEN-SOURCE VIRTUAL BRONCHOSCOPY PLATFORM WITH ELECTROMAGNETIC TRACKING: A MULTI-USER PRECLINICAL STUDY. Chest. volum 154 (4).
    Abstract
  • Reynisson, Pall Jens; Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Hatlen, Peter; Amundsen, Tore; Hofstad, Erlend Fagertun. (2018) Pulmonologist evaluation on new CT visualization for guidance to lung lesions during bronchoscopy. MITAT. Minimally invasive therapy & allied technologies.
    Academic article
  • Ciobirca, Catalin; Gruionu, G; Langø, Thomas; Leira, Håkon Olav; Gruionu, LG; Amundsen, Tore; Nutu, E; Pastrama, SD. (2017) An algorithm to obtain a theoretical model of the bronchial tree. Materials Today: Proceedings. volum 4 (5).
    Academic article
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Bakeng, Janne Beate Lervik; Gruionu, Lucian; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2017) Intraoperative localized constrained registration in navigated bronchoscopy. Medical Physics (Lancaster). volum 44 (8).
    Academic article
  • Reynisson, Pall Jens; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Askeland, Christian; Langø, Thomas; Sorger, Hanne; Lindseth, Frank; Amundsen, Tore; Hernes, Toril A. Nagelhus. (2017) A new visualization method for navigated bronchoscopy. MITAT. Minimally invasive therapy & allied technologies. volum 27 (2).
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Bakeng, Janne Beate Lervik; Leira, Håkon Olav. (2017) A multimodal image guiding system for Navigated Ultrasound Bronchoscopy (EBUS): A human feasibility study. PLOS ONE. volum 12 (2).
    Academic article
  • Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Tyvold, Stig Sverre; Langø, Thomas; Hammer, Tommy Arild; Manstad-Hulaas, Frode; Mattsson, Erney. (2016) A new removable airway stent. European Clinical Respiratory Journal. volum 3 (1).
    Academic article
  • Ciobirca, Catalin; Popa, Teodoru; Gruionu, Gabriel; Langø, Thomas; Leira, Håkon Olav; Pastrama, SD; Gruionu, Lucian. (2016) Virtual bronchoscopy method based on marching cubes and an efficient collision detection and resolution algorithm. Ciencia e Tecnologia dos Materiais. volum 28.
    Academic article
  • Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Salarinejad, Majid; Nesvik, Bjarte; Hollund, Raymond; Nesgård, Kristin; Nordhaug, Dag Ole; Amundsen, Tore. (2016) Learning endobronchial ultrasound transbronchial needle aspiration – a 6-year experience at a single institution. Clinical Respiratory Journal. volum 12 (1).
    Academic article
  • Askeland, Christian; Solberg, Ole Vegard; Bakeng, Janne Beate Lervik; Reinertsen, Ingerid; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Iversen, Daniel Høyer; Våpenstad, Cecilie; Selbekk, Tormod; Langø, Thomas; Hernes, Toril A. Nagelhus; Leira, Håkon Olav; Unsgård, Geirmund; Lindseth, Frank. (2015) CustusX: an open-source research platform for image-guided therapy. International Journal of Computer Assisted Radiology and Surgery. volum 11 (4).
    Academic article
  • Hatlen, Peter; Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Müller, Tomm Brostrup; Mahesparan, Rupavathana; Hjelde, Harald Harris. (2015) Aggressive Treatment of Brain Metastasis Increases Survival in Patients with Lung Cancer. Journal of Pulmonary and Respiratory Medicine. volum 5 (4).
    Academic article
  • Leira, Håkon Olav. (2015) E-sigaretter – et viktig virkemiddel mot røykeskader. Tidsskrift for Den norske legeforening. volum 135 (23/24).
    Reader opinion piece
  • Reynisson, Pall Jens; Scali, Marta; Smistad, Erik; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Lindseth, Frank; Hernes, Toril A. Nagelhus; Amundsen, Tore; Sorger, Hanne; Langø, Thomas. (2015) Airway segmentation and centerline extraction from thoracic CT - Comparison of a new method to state of the art commercialized methods. PLOS ONE. volum 10:e0144282 (12).
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) A novel platform for electromagnetic navigated ultrasound bronchoscopy (EBUS). International Journal of Computer Assisted Radiology and Surgery.
    Academic article
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2014) Automatic registration of CT images to patient during the initial phase of bronchoscopy: A clinical pilot study. Medical Physics (Lancaster). volum 41 (4).
    Academic article
  • Leira, Håkon Olav. (2014) Mye lungekreft - lite forskning :. Tidsskrift for Den norske legeforening. volum 134 (23/24).
    Feature article
  • Reynisson, Pall Jens; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Scali, Marta; Sorger, Hanne; Amundsen, Tore; Lindseth, Frank; Langø, Thomas. (2014) Navigated bronchoscopy : A technical review. Journal of Bronchology & Interventional Pulmonology. volum 21 (3).
    Academic literature review
  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Sorger, Hanne; Amundsen, Tore. (2013) Bronchoscope-induced Displacement of Lung Targets: First In Vivo Demonstration of Effect From Wedging Maneuver in Navigated Bronchoscopy. Journal of Bronchology & Interventional Pulmonology. volum 20 (3).
    Academic article
  • Bø, Lars Eirik; Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas. (2012) Accuracy of electromagnetic tracking with a prototype field generator in an interventional OR setting. Medical Physics (Lancaster). volum 39 (1).
    Academic article
  • Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Langø, Thomas; Amundsen, Tore. (2012) A novel in vivo method for lung segment movement tracking. Physics in Medicine and Biology. volum 57 (4).
    Academic article
  • Hofstad, Erlend Fagertun; Bø, Lars Eirik; Tangen, Geir Arne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2011) Accuracy of electromagnetic tracking in navigated bronchoscopy with a prototype field generator in an interventional or setting. Journal of Thoracic Oncology. volum 6 (6).
    Abstract
  • Leira, Håkon Olav; Amundsen, Tore; Tangen, Geir Arne; Bø, Lars Eirik; Manstad-Hulaas, Frode; Langø, Thomas. (2011) A novel research platform for electromagnetic navigated bronchoscopy using cone beam CT imaging and an animal model. MITAT. Minimally invasive therapy & allied technologies. volum 20 (1).
    Academic article
  • Leira, Håkon Olav; Hofstad, Erlend Fagertun; Bø, Lars Eirik; Langø, Thomas; Amundsen, Tore. (2011) Navigated Bronchoscopy With Electromagnetic Tracking — Cone Beam Computed Tomography Influence on Tracking and Registration Accuracy. Journal of Bronchology & Interventional Pulmonology. volum 18 (4).
    Academic article
  • Leira, Håkon Olav; Lang, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) A new method for in-vivo lung movement tracking - for diagnosis and therapy in lung medicine. Journal of Thoracic Oncology. volum 6 (6).
    Abstract
  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) The influence on lung segment and tumor movement by bronchoscopic instruments – impact on navigated bronchoscopy. Journal of Thoracic Oncology. volum 6 (6).
    Abstract
  • Kaspersen, Jon Harald; Aasland, Jenny; Leira, HO; Ødegard, Asbjørn; Nagelhus, Bjørn; Storset, G; Lundbom, J; Rosenlund, TT; Tjora, Aksel; Myhre, Hans Olav. (2005) Three-dimensional teleradiology for surveillance following endovascular aortic aneurysm repair: A feasibility study. Journal of Endovascular Therapy. volum 12.
    Academic article
  • Pedersen, Marit; Aasland, Jenny Kristin; Kaspersen, Jon Harald; Leira, Håkon Olav; Myhre, Hans Olav. (2005) Teleradiologisk oppfolging av pasienter behandlet med stentgraft i aorta. Tidsskrift for Den norske legeforening. volum 125 (10).
    Academic article

Report

  • Leira, Håkon Olav. (2012) Development of an image guidance research system for bronchoscopy. 2012. ISBN 978-82-471-3829-8.
    Doctoral dissertation

Media

2016

  • Lecture
    Leira, Håkon Olav; Bakeng, Janne Beate Lervik; Sorger, Hanne; Solberg, Ole Vegard; Askeland, Christian; Hofstad, Erlend Fagertun; Reynisson, Pall Jens; Langø, Thomas; Amundsen, Tore. (2016) Fraxinus, a free navigation system for bronchoscopy. WCBIP WCBE 2016 . WCBIP (World Conference in Bronchology and Interventional Pu; Firenze. 2016-05-08 - 2016-05-11.
  • Poster
    Reynisson, Pall Jens; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Askeland, Christian; Langø, Thomas; Sorger, Hanne; Bakeng, Janne Beate Lervik; Solberg, Ole Vegard; Lindseth, Frank; Amundsen, Tore; Hernes, Toril Anita Nagelhus. (2016) A new visualization approach for navigated bronchoscopy. WCBIP WCBE 2016 . WCBIP (World Conference in Bronchology and Interventional Pu; Firenze. 2016-05-08 - 2016-05-11.
  • Lecture
    Sorger, Hanne; Amundsen, Tore; Hofstad, Erlend Fagertun; Langø, Thomas; Leira, Håkon Olav. (2016) A multimodal image guiding system for navigated endobronchial ultrasound (EBUS): Human pilot. ERS (Eur Resp Society) 2016 . ERS; London. 2016-09-03 - 2016-09-07.
  • Lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Bakeng, Janne Beate Lervik; Leira, Håkon Olav. (2016) 3D endobronchial ultrasound (EBUS): a human pilot study. 19th WCBIP WCBE (World Conference in Bronchology and Interventional Pulmonology) . 19th WCBIP; Firenze. 2016-05-08 - 2016-05-11.
  • Lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2016) 3 D endobronchial ultrasound (EBUS): Clinical demonstration. ERS (Eur Resp Society) 2016 . ERS; London. 2016-09-03 - 2016-09-07.

2015

  • Poster
    Ciobirca, P; Langø, Thomas; Popa, Teodor; Gruionu, Gabriel; Leira, Håkon Olav; Pastrama, SD; Gruionu, LG. (2015) Virtual bronchoscopy method based on marching cubes algorithm. ICSAAM 2015, The 6th International Conference on Structural Analysis of Advanced Materials ; Porto. 2015-09-08 - 2015-09-11.
  • Academic lecture
    Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2015) Automatic registration of CT images to patient during bronchoscopy - A clinical pilot study. 3rd ECBIP Barcelona, Spain, April 2015 . ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology); Barcelona. 2015-04-23 - 2015-04-25.
  • Lecture
    Leira, Håkon Olav. (2015) Multimodal Image Guided EBUS. Bronkoskopiforum . UiO; Rikshospitalet. 2015-04-09.
  • Lecture
    Leira, Håkon Olav. (2015) Navigation systems for bronchoscopy. Nordic Lung congress 2015 ; 2015-06-10.
  • Academic lecture
    Reynisson, Pall Jens; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Askeland, Christian; Lindseth, Frank; Sorger, Hanne; Amundsen, Tore; Langø, Thomas. (2015) New Vizualisation Technique for Navigational Bronchoscopy: Technical Development on Anchored to Centerline Curved Surface and Implementation on Lung Patient. 3rd ECBIP Barcelona, Spain, April 2015 . ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology); Barcelona. 2015-04-23 - 2015-04-25.
  • Academic lecture
    Reynisson, Pall Jens; Scali, Marta; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Lindseth, Frank; Sorger, Hanne; Smistad, Erik; Amundsen, Tore; Langø, Thomas. (2015) Centrelines and airways extraction from lung CT for navigated bronchoscopy: a comparison of three methods. 3rd ECBIP Barcelona, Spain, April 2015 . ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology); Barcelona. 2015-04-23 - 2015-04-25.
  • Academic lecture
    Sorger, Hanne; Amundsen, Tore; Hofstad, Erlend Fagertun; Langø, Thomas; Leira, Håkon Olav. (2015) A novel multimodal image guiding system for navigated endobronchial ultrasound (EBUS): human pilot study. 3rd ECBIP Barcelona, Spain, April 2015 . ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology; Barcelona. 2015-04-23 - 2015-04-25.
  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) Endobronchial ultrasound visualization (3D-EBUS) - A novel navigation system for multimodal image-guided intervention. CARS 29th Annual Congress, Barcelona, Spain; 24-26.06.2015 . CARS (Computer Assisted Radiology and Surgery) Int Org; Barcelona. 2015-06-24 - 2015-06-27.
  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) Endobronchial ultrasound visualization (3D-EBUS) - A novel navigation system for multimodal image-guided intervention. 3rd ECBIP Barcelona, Spain, April 2015 . ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology); Barcelona. 2015-04-23 - 2015-04-25.
  • Academic lecture
    Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Nesvik, Bjarte; Hollund, Raymond; Salarinejad, Maijid; Nesgård, Kristin; Nordhaug, Dag Ole; Amundsen, Tore. (2015) Learning EBUS-TBNA - A 6-year experience at a single institution. Eur Resp Society (ERS) International Annual Congress . ERS; Amsterdam. 2015-09-26 - 2015-09-30.
  • Poster
    Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Salarinejad, Majid; Nesvik, Bjarte; Hollund, Raymond; Nesgård, Kristin; Nordhaug, Dag Ole; Amundsen, Tore. (2015) Learning EBUS-TBNA - a 6-year experience at a single institution. European Respiratory Society Annual Congress 2015 . European Respiratory Society; 2015-09-26 - 2015-09-30.

2014

  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2014) A novel platform for electromagnetic navigated ultrasound (EBUS). National PhD Conference in medical Imaging and MedViz Conference . Universitetet i Bergen; Bergen. 2014-06-17 - 2014-06-18.
  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2014) A novel system for navigated endobronchial ultrasound (EBUS). European Respiratory Society International Congress 2014 ; Munchen. 2014-09-06 - 2014-09-10.

2013

  • Academic lecture
    Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Tangen, Geir Arne; Amundsen, Tore; Langø, Thomas. (2013) Automatic registration of CT images to patient during the initial phase of bronchoscopy – a clinical pilot study. CARS Computer Assisted Radiology and Surgery . CARS; Heidelberg. 2013-06-26 - 2013-06-29.

2012

  • Academic lecture
    Hofstad, Erlend Fagertun; Leira, Håkon Olav; Tangen, Geir Arne; Sorger, Hanne; Amundsen, Tore; Langø, Thomas. (2012) Automatic registration of CT images to patient during the initial phase of bronchoscopy – a clinical pilot study. SMIT conference . SMIT - Society for Medical Innovation and Technology; Barcelona. 2012-09-20 - 2012-09-22.
  • Poster
    Leira, Håkon Olav; Hofstad, Erlend Fagertun; Langø, Thomas; Amundsen, Tore. (2012) A high spatial and temporal resolution in lung segment sensors. Studies in lung physiology and navigated bronchoscopy. SMIT - Society for Medical Innovation and Technology . SMIT; Barcelona. 2012-09-20 - 2012-09-22.

2011

  • Poster
    Hofstad, Erlend Fagertun; Bø, Lars Eirik; Tangen, Geir Arne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2011) Accuracy of electromagnetic tracking in navigated bronchoscopy with a prototype field generator in an interventional or setting. 14th World Conference on Lung Cancer . International Association for the Study of Lung Cancer; Amsterdam. 2011-07-03 - 2011-07-07.
  • Poster
    Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) A new method for in-vivo lung movement tracking – for diagnosis and therapy in lung medicine. 14th World Conference on Lung Cancer . International Association for the Study of Lung Cancer (IASL; Amsterdam. 2011-07-03 - 2011-07-07.
  • Poster
    Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) The influence on lung segment and tumor movement by bronchoscopic instruments – impact on navigated bronchoscopy. 14th World Conference on Lung Cancer . International Association for the Study of Lung Cancer; Amsterdam. 2011-07-03 - 2011-07-07.
  • Poster
    Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) Feasibility of navigated bronchoscopy - an experimental animal model. MedViz 2011 Bergen . UiB; Bergen. 2011-01-17 - 2011-01-18.
  • Academic lecture
    Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) Navigated bronchoscopy. MedViz 3rd National PhD conference in medical imaging . UiO; Oslo. 2011-11-21 - 2011-11-21.
  • Academic lecture
    Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) Navigert bronkoskopi. Forskningsseminar Nasjonal konferanse i lungeforskning . Norsk Forening for Lungemedisin; Oslo. 2011-11-11 - 2011-11-11.
  • Poster
    Leira, Håkon Olav; Tangen, Geir Arne; Manstad-Hulaas, Frode; Langø, Thomas; Amundsen, Tore. (2011) Navigated bronchoscopy – a research platform using intraoperative cone beam CT. WCLC Amsterdam 2011 . IASLC; Amsterdam. 2011-07-03.

2009

  • Academic lecture
    Leira, Håkon Olav; Langø, Thomas; Amundsen, Tore; Manstad-Hulaas, Frode; Tangen, Geir Arne. (2009) Feasibility of navigated bronchoscopy - an experimental animal model. SMIT 2009 . SMIT; 2009-10-07 - 2009-10-09.

2004

  • Academic lecture
    Kaspersen, Jon H; Aasland, Jenny; Leira, HO; Myhre, Hans Olav; Rosenlund, T. (2004) 3D interaktiv teleradiologi. Symposiet eLandet Norge 2004 . eforum-lønnsomhet gjennom nettverk og kunnskap (off.sektor); Oslo. 2004-10-19.
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