Search Results - "Hofstad, Erlend Fagertun"

AeroPath: An airway segmentation benchmark dataset with challenging pathology and baseline method by Støverud, Karen-Helene, Bouget, David, Pedersen, André, Leira, Håkon Olav, Amundsen, Tore, Langø, Thomas, Hofstad, Erlend Fagertun

“…To improve the prognosis of patients suffering from pulmonary diseases, such as lung cancer, early diagnosis and treatment are crucial. The analysis of CT…”
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Navigated ultrasound bronchoscopy with integrated positron emission tomography-A human feasibility study by Kildahl-Andersen, Arne, Hofstad, Erlend Fagertun, Solberg, Ole-Vegard, Sorger, Hanne, Amundsen, Tore, Langø, Thomas, Leira, Håkon Olav

“…Patients suspected to have lung cancer, undergo endobronchial ultrasound bronchoscopy (EBUS) for the purpose of diagnosis and staging. For presumptive curable…”
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A study of psychomotor skills in minimally invasive surgery: what differentiates expert and nonexpert performance by Hofstad, Erlend Fagertun, Våpenstad, Cecilie, Chmarra, Magdalena Karolina, Langø, Thomas, Kuhry, Esther, Mårvik, Ronald

“…Background A high level of psychomotor skills is required to perform minimally invasive surgery (MIS) safely. To assure high quality of skills, it is important…”
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Airway Segmentation and Centerline Extraction from Thoracic CT - Comparison of a New Method to State of the Art Commercialized Methods by Reynisson, Pall Jens, Scali, Marta, Smistad, Erik, Hofstad, Erlend Fagertun, Leira, Håkon Olav, Lindseth, Frank, Nagelhus Hernes, Toril Anita, Amundsen, Tore, Sorger, Hanne, Langø, Thomas

“…Our motivation is increased bronchoscopic diagnostic yield and optimized preparation, for navigated bronchoscopy. In navigated bronchoscopy, virtual 3D airway…”
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Perceiving haptic feedback in virtual reality simulators by Våpenstad, Cecilie, Hofstad, Erlend Fagertun, Langø, Thomas, Mårvik, Ronald, Chmarra, Magdalena Karolina

“…Background To improve patient safety, training of psychomotor laparoscopic skills is often done on virtual reality (VR) simulators outside the operating room…”
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A multimodal image guiding system for Navigated Ultrasound Bronchoscopy (EBUS): A human feasibility study by Sorger, Hanne, Hofstad, Erlend Fagertun, Amundsen, Tore, Langø, Thomas, Bakeng, Janne Beate Lervik, Leira, Håkon Olav

“…Endobronchial ultrasound transbronchial needle aspiration (EBUS-TBNA) is the endoscopic method of choice for confirming lung cancer metastasis to mediastinal…”
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Optimal timing of assessment tasks depending on experience level of surgical trainees by Våpenstad, Cecilie, Fagertun Hofstad, Erlend, Eivind Bernstein, Tor, Aadahl, Petter, Johnsen, Gjermund, Mårvik, Ronald

“…Introduction: Box trainers with motion analysis are important add-ons to surgical training and skills assessment outside the operating room, given that they…”
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Automatic Segmentation of Mediastinal Lymph Nodes and Blood Vessels in Endobronchial Ultrasound (EBUS) Images Using Deep Learning by Ervik, Øyvind, Tveten, Ingrid, Hofstad, Erlend Fagertun, Langø, Thomas, Leira, Håkon Olav, Amundsen, Tore, Sorger, Hanne

“…Endobronchial ultrasound (EBUS) is used in the minimally invasive sampling of thoracic lymph nodes. In lung cancer staging, the accurate assessment of…”
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Motion tracking in the liver: Validation of a method based on 4D ultrasound using a nonrigid registration technique by Vijayan, Sinara, Klein, Stefan, Hofstad, Erlend Fagertun, Lindseth, Frank, Ystgaard, Brynjulf, Langø, Thomas

“…Purpose: Treatments like radiotherapy and focused ultrasound in the abdomen require accurate motion tracking, in order to optimize dosage delivery to the…”
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Using the CustusX toolkit to create an image guided bronchoscopy application: Fraxinus by Lervik Bakeng, Janne Beate, Hofstad, Erlend Fagertun, Solberg, Ole Vegard, Eiesland, Jon, Tangen, Geir Arne, Amundsen, Tore, Langø, Thomas, Reinertsen, Ingerid, Selbekk, Tormod, Leira, Håkon Olav

“…The aim of this paper is to show how a specialized planning and guidance application called Fraxinus, can be built on top of the CustusX platform…”
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Bronchoscopy using a head-mounted mixed reality device—a phantom study and a first in-patient user experience by Kildahl-Andersen, Arne, Hofstad, Erlend Fagertun, Sorger, Hanne, Amundsen, Tore, Langø, Thomas, Leira, Håkon Olav, Kiss, Gabriel

“…Background: Bronchoscopy for peripheral lung lesions may involve image sources such as computed tomography (CT), fluoroscopy, radial endobronchial ultrasound…”
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Automatic registration of CT images to patient during the initial phase of bronchoscopy: A clinical pilot study by Hofstad, Erlend Fagertun, Sorger, Hanne, Leira, Håkon Olav, Amundsen, Tore, Langø, Thomas

“…Purpose: Electromagnetic based navigated bronchoscopy using preoperative CT images has reached the clinic during the last decade. One of the challenges is the…”
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An open electromagnetic tracking framework applied to targeted liver tumour ablation by Hinds, Stephen, 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

“…Purpose Electromagnetic tracking is a core platform technology in the navigation and visualisation of image-guided procedures. The technology provides high…”
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Limitations of haptic feedback devices on construct validity of the LapSim® virtual reality simulator by Våpenstad, Cecilie, Hofstad, Erlend Fagertun, Bø, Lars Eirik, Chmarra, Magdalena Karolina, Kuhry, Esther, Johnsen, Gjermund, Mårvik, Ronald, Langø, Thomas

“…Background Surgeons performing laparoscopy need a high degree of psychomotor skills, which can be trained and assessed on virtual reality (VR) simulators. VR…”
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Navigated laparoscopy - liver shift and deformation due to pneumoperitoneum in an animal model by Zijlmans, Mariken, Langø, Thomas, Hofstad, Erlend Fagertun, Van Swol, Christiaan F. P., Rethy, Anna

“…Abstract Background: Precise laparoscopic liver resection requires accurate planning and visualization of important anatomy such as vessels and tumors…”
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Navigated bronchoscopy with electromagnetic tracking-cone beam computed tomography influence on tracking and registration accuracy by Olav Leira, Håkon, Fagertun Hofstad, Erlend, Eirik Bø, Lars, Langø, Thomas, Amundsen, Tore

“…Current image guidance systems for bronchoscopy are limited to the diagnosis of small tumors and placing fiducials for radiation therapy and surgery. Ideally,…”
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Accuracy of instrument tip position using fiber optic shape sensing for navigated bronchoscopy by Brekken, Reidar, Hofstad, Erlend Fagertun, Solberg, Ole Vegard, Tangen, Geir Arne, Leira, Håkon Olav, Gruionu, Lucian, Langø, Thomas

“…·Shape sensing for estimating tip positions for a tool-in-tool bronchoscopy system.·Accuracy evaluated for bronchoscopic biopsy sampling in a realistic lung…”
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Lack of transfer of skills after virtual reality simulator training with haptic feedback by Våpenstad, Cecilie, Hofstad, Erlend Fagertun, Bø, Lars Eirik, Kuhry, Esther, Johnsen, Gjermund, Mårvik, Ronald, Langø, Thomas, Hernes, Toril Nagelhus

“…Background and objective: Virtual reality (VR) simulators enrich surgical training and offer training possibilities outside of the operating room (OR). In this…”
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A novel clip-on device for electromagnetic tracking in endobronchial ultrasound bronchoscopy by Kildahl-Andersen, Arne, Hofstad, Erlend Fagertun, Peters, Karlijn, Van Beek, Gregory, Sorger, Hanne, Amundsen, Tore, Langø, Thomas, Leira, Håkon Olav

“…The established method for assessment of mediastinal and hilar lymph nodes is endobronchial ultrasound bronchoscopy (EBUS) with needle aspirations. Previously,…”
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Intraoperative localized constrained registration in navigated bronchoscopy by Hofstad, Erlend Fagertun, Sorger, Hanne, Bakeng, Janne Beate Lervik, Gruionu, Lucian, Leira, Håkon Olav, Amundsen, Tore, Langø, Thomas

“…Purpose One of the major challenges in electromagnetic navigated bronchoscopy is the navigation accuracy. An initial rigid image‐to‐patient registration may…”
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