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  1. Employees

Språkvelger

Norsk

Andreas Asheim

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Andreas Asheim

Researcher
Department of Clinical and Molecular Medicine

andreas.asheim@ntnu.no
+4773592007 1902-bygget, Øya
Publications Outreach

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2025) The Effects of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Delivery in Transit: Causal Inference with Triangulation. Epidemiology
    Academic article
  • Andvig, Jørgen Garberg; Johnsen, Lars Gunnar; Nilsen, Sara Marie; Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas. (2025) Falling rates but projected rising numbers of fractures in elderly Norwegians: a study of fracture rates in the Norwegian patient registry from 2010 to 2021, extrapolated to 2041. Acta Orthopaedica
    Academic article
  • Ulvin, Ole Erik Eide; Uleberg, Oddvar; Asheim, Andreas; Haugland, Helge. (2025) Introducing an on-site Helicopter Emergency Medical Service (HEMS) physician at the Emergency Medical Communication Centre - implications for dispatch precision at a Norwegian HEMS base. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
    Academic article
  • Asheim, Andreas; Bovim, Thomas Reiten. (2025) Hvorfor har vi lange ventetider?. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Feature article

2024

  • Asheim, Andreas; Lafrenz, Thomas; Bregeon-Bigler, Jonathan; Monica, Dybvik. (2024) Ta vare på sikkerheten under pustetrening i vann. Adresseavisen
    Feature article
  • Bovim, Thomas Reiten; Asheim, Andreas. (2024) Hvor skal vi plassere ambulansene våre?. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Feature article
  • Asheim, Andreas; Nilsen, Sara Marie; Svedahl, Ellen Rabben; Kaspersen, Silje Lill; Bjerkeset, Ottar; Janszky, Imre. (2024) Correction to: Risk of suicide after hospitalizations due to acute physical health conditions—a cohort study of the Norwegian population (BMC Medicine, (2024), 22, 1, (396), 10.1186/s12916-024-03623-5). BMC Medicine
    Errata
  • Vinjerui, Kristin Hestmann; Asheim, Andreas; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie. (2024) General practitioners retiring or relocating and its association with healthcare use and mortality: a cohort study using Norwegian national data. BMJ Quality and Safety
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Svedahl, Ellen Rabben; Kaspersen, Silje Lill; Bjerkeset, Ottar; Janszky, Imre. (2024) Risk of suicide after hospitalizations due to acute physical health conditions—a cohort study of the Norwegian population. BMC Medicine
    Academic article
  • Wahlberg, Kirsti; Pape, Kristine; Austad, Bjarne; Asheim, Andreas; Anthun, Kjartan Sarheim; Bjørngaard, Johan Håkon. (2024) School absence policy and healthcare use: a difference-in-difference cohort analysis. Family Practice
    Academic article
  • Næss, Lars Eide; Krüger, Andreas Jørstad; Uleberg, Oddvar; Haugland, Helge; Dale, Jostein; Wattø, Jon-Ola. (2024) Using machine learning to assess the extent of busy ambulances and its impact on ambulance response times: A retrospective observational study. PLOS ONE
    Academic article

2023

  • Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina. (2023) Mortality and subsequent healthcare use among older patients discharged to a municipality with excess demand for elderly care. Nordic Journal of Health Economics
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Bjørngaard, Johan Håkon. (2023) Hvor skal det kuttes?. Dagens medisin
    Feature article
  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Bjørngaard, Johan Håkon. (2023) Et trygt fødetilbud er ikke bare et spørsmål om reisetid. Aftenposten (morgenutg. : trykt utg.)
    Feature article
  • Vinjerui, Kristin Hestmann; Anthun, Kjartan Sarheim; Asheim, Andreas; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie. (2023) General practitioners ending their practice and impact on patients' health, healthcare use and mortality: a protocol for national registry cohort studies in Norway, 2008 to 2021. BMJ Open
    Academic article
  • Nilsen, Sara Marie; Valand, Jonas; Rogne, Tormod; Asheim, Andreas; Yin, Weiyao; Metsälä, Johanna. (2023) Gestational age at birth and hospitalisations for infections among individuals aged 0–50 years in Norway: a longitudinal, register-based, cohort study. EClinicalMedicine
    Academic article

2022

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2022) Effect of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Transport Delivery in Norway. Elsevier Elsevier
    Report
  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina. (2022) How do busy hospital circumstances affect mortality and readmission within 60 days: A cohort study of 680 000 acute admissions in Norway. Health Policy
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Aam, Stina; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Janszky, Imre. (2022) High ward occupancy, bedspacing, and 60 day mortality for patients with myocardial infarction, stroke, and heart failure. ESC Heart Failure
    Academic article

2021

  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2021) High volumes of recent surgical admissions, time to surgery, and 60-day mortality. The Bone & Joint Journal
    Academic article

2020

  • Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2020) Hospitals' Discharge Tendency and Risk of Death - An Analysis of 60,000 Norwegian Hip Fracture Patients. Clinical Epidemiology
    Academic article

2019

  • Nilsen, Sara Marie; Asheim, Andreas; Tøndel, Gunhild. (2019) Helsepersonells oppfattelse av kapasitetspress i spesialisthelsetjenesten. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Academic article
  • Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars Eide; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie. (2019) Real-time forecasting of emergency department arrivals using prehospital data. BMC Emergency Medicine
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein. (2019) The effect of emergency department delays on 30-days mortality in Central Norway. European journal of emergency medicine
    Academic article

2018

  • Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Jan. (2018) Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series. International journal of bipolar disorders
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon. (2018) Time of admission and mortality after hip fracture – a detailed look at the weekend effect in a nationwide study of 55 211 hip fracture patients in Norway. Acta Orthopaedica
    Academic article
  • Halle, Kari Krizak; Nilsen, Sara Marie; Asheim, Andreas. (2018) Lognormalskjerf.
    Visual Arts

2016

  • Svensson, U. Peter; Martin Roman, Sara-Regina; Asheim, Andreas. (2016) Efficient edge source approach to the modeling of multi-edge noise barrier tops.
    Academic chapter/article/Conference paper

2015

  • Asheim, Andreas; Svensson, U. Peter. (2015) Erratum: An integral equation formulation for the diffraction from convex plates and polyhedra (Journal of the Acoustical Society of America (2013) 133:6 (3681-3691)). Journal of the Acoustical Society of America
    Errata

2014

  • Nørsett, Syvert Paul; Asheim, Andreas. (2014) Regarding the absolute stability of Størmer-Cowell methods. Discrete and Continuous Dynamical Systems. Series A
    Academic article

2013

  • Nørsett, Syvert Paul; Asheim, Andreas. (2013) REGARDING THE ABSOLUTE STABILITY OF STORMER-COWELL METHODS. Discrete and Continuous Dynamical Systems. Series A
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2013) An integral equation formulation for the diffraction from convex plates and polyhedra. Journal of the Acoustical Society of America
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2013) Time-domain formulation of an edge source integral equation. Proceedings of Meetings on Acoustics (POMA)
    Academic article

2012

  • Asheim, Andreas; Svensson, U. Peter. (2012) An integral equation formulation for the diffraction from convex plates and polyhedra. Leuven University Press Leuven University Press
    Report
  • Svensson, U. Peter; Asheim, Andreas. (2012) An edge-source integral equation for the calculation of scattering (Abstracts). Journal of the Acoustical Society of America
    Abstract

2011

  • Svensson, U. Peter; Asheim, Andreas. (2011) Edge-diffraction based integral equation for the scattering from convex rigid polyhedra.
    Academic chapter/article/Conference paper

2010

  • Asheim, Andreas. (2010) Numerical Methods for Highly Oscillatory Problems. Doktoravhandlinger ved NTNU (115)
    Doctoral dissertation
  • Asheim, Andreas; Huybrechs, Daan. (2010) Asymptotic Analysis of Numerical Steepest Descent with Path Approximations. Foundations of Computational Mathematics
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2010) Computing diffraction integrals with the numerical method of steepest descent.
    Academic chapter/article/Conference paper
  • Asheim, Andreas; Huybrechs, Daan. (2010) Local solutions to high-frequency 2D scattering problems. Journal of Computational Physics
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2010) Efficient evaluation of edge diffraction integrals using the numerical method of steepest descent. Journal of the Acoustical Society of America
    Academic article

2008

  • Asheim, Andreas. (2008) A combined Filon/asymptotic quadrature method for highly oscillatory problems. BIT Numerical Mathematics
    Academic article

Journal publications

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2025) The Effects of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Delivery in Transit: Causal Inference with Triangulation. Epidemiology
    Academic article
  • Andvig, Jørgen Garberg; Johnsen, Lars Gunnar; Nilsen, Sara Marie; Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas. (2025) Falling rates but projected rising numbers of fractures in elderly Norwegians: a study of fracture rates in the Norwegian patient registry from 2010 to 2021, extrapolated to 2041. Acta Orthopaedica
    Academic article
  • Ulvin, Ole Erik Eide; Uleberg, Oddvar; Asheim, Andreas; Haugland, Helge. (2025) Introducing an on-site Helicopter Emergency Medical Service (HEMS) physician at the Emergency Medical Communication Centre - implications for dispatch precision at a Norwegian HEMS base. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
    Academic article
  • Asheim, Andreas; Bovim, Thomas Reiten. (2025) Hvorfor har vi lange ventetider?. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Feature article
  • Asheim, Andreas; Lafrenz, Thomas; Bregeon-Bigler, Jonathan; Monica, Dybvik. (2024) Ta vare på sikkerheten under pustetrening i vann. Adresseavisen
    Feature article
  • Bovim, Thomas Reiten; Asheim, Andreas. (2024) Hvor skal vi plassere ambulansene våre?. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Feature article
  • Asheim, Andreas; Nilsen, Sara Marie; Svedahl, Ellen Rabben; Kaspersen, Silje Lill; Bjerkeset, Ottar; Janszky, Imre. (2024) Correction to: Risk of suicide after hospitalizations due to acute physical health conditions—a cohort study of the Norwegian population (BMC Medicine, (2024), 22, 1, (396), 10.1186/s12916-024-03623-5). BMC Medicine
    Errata
  • Vinjerui, Kristin Hestmann; Asheim, Andreas; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie. (2024) General practitioners retiring or relocating and its association with healthcare use and mortality: a cohort study using Norwegian national data. BMJ Quality and Safety
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Svedahl, Ellen Rabben; Kaspersen, Silje Lill; Bjerkeset, Ottar; Janszky, Imre. (2024) Risk of suicide after hospitalizations due to acute physical health conditions—a cohort study of the Norwegian population. BMC Medicine
    Academic article
  • Wahlberg, Kirsti; Pape, Kristine; Austad, Bjarne; Asheim, Andreas; Anthun, Kjartan Sarheim; Bjørngaard, Johan Håkon. (2024) School absence policy and healthcare use: a difference-in-difference cohort analysis. Family Practice
    Academic article
  • Næss, Lars Eide; Krüger, Andreas Jørstad; Uleberg, Oddvar; Haugland, Helge; Dale, Jostein; Wattø, Jon-Ola. (2024) Using machine learning to assess the extent of busy ambulances and its impact on ambulance response times: A retrospective observational study. PLOS ONE
    Academic article
  • Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina. (2023) Mortality and subsequent healthcare use among older patients discharged to a municipality with excess demand for elderly care. Nordic Journal of Health Economics
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Bjørngaard, Johan Håkon. (2023) Hvor skal det kuttes?. Dagens medisin
    Feature article
  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Bjørngaard, Johan Håkon. (2023) Et trygt fødetilbud er ikke bare et spørsmål om reisetid. Aftenposten (morgenutg. : trykt utg.)
    Feature article
  • Vinjerui, Kristin Hestmann; Anthun, Kjartan Sarheim; Asheim, Andreas; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie. (2023) General practitioners ending their practice and impact on patients' health, healthcare use and mortality: a protocol for national registry cohort studies in Norway, 2008 to 2021. BMJ Open
    Academic article
  • Nilsen, Sara Marie; Valand, Jonas; Rogne, Tormod; Asheim, Andreas; Yin, Weiyao; Metsälä, Johanna. (2023) Gestational age at birth and hospitalisations for infections among individuals aged 0–50 years in Norway: a longitudinal, register-based, cohort study. EClinicalMedicine
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina. (2022) How do busy hospital circumstances affect mortality and readmission within 60 days: A cohort study of 680 000 acute admissions in Norway. Health Policy
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Aam, Stina; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Janszky, Imre. (2022) High ward occupancy, bedspacing, and 60 day mortality for patients with myocardial infarction, stroke, and heart failure. ESC Heart Failure
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2021) High volumes of recent surgical admissions, time to surgery, and 60-day mortality. The Bone & Joint Journal
    Academic article
  • Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2020) Hospitals' Discharge Tendency and Risk of Death - An Analysis of 60,000 Norwegian Hip Fracture Patients. Clinical Epidemiology
    Academic article
  • Nilsen, Sara Marie; Asheim, Andreas; Tøndel, Gunhild. (2019) Helsepersonells oppfattelse av kapasitetspress i spesialisthelsetjenesten. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Academic article
  • Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars Eide; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie. (2019) Real-time forecasting of emergency department arrivals using prehospital data. BMC Emergency Medicine
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein. (2019) The effect of emergency department delays on 30-days mortality in Central Norway. European journal of emergency medicine
    Academic article
  • Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Jan. (2018) Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series. International journal of bipolar disorders
    Academic article
  • Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon. (2018) Time of admission and mortality after hip fracture – a detailed look at the weekend effect in a nationwide study of 55 211 hip fracture patients in Norway. Acta Orthopaedica
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2015) Erratum: An integral equation formulation for the diffraction from convex plates and polyhedra (Journal of the Acoustical Society of America (2013) 133:6 (3681-3691)). Journal of the Acoustical Society of America
    Errata
  • Nørsett, Syvert Paul; Asheim, Andreas. (2014) Regarding the absolute stability of Størmer-Cowell methods. Discrete and Continuous Dynamical Systems. Series A
    Academic article
  • Nørsett, Syvert Paul; Asheim, Andreas. (2013) REGARDING THE ABSOLUTE STABILITY OF STORMER-COWELL METHODS. Discrete and Continuous Dynamical Systems. Series A
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2013) An integral equation formulation for the diffraction from convex plates and polyhedra. Journal of the Acoustical Society of America
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2013) Time-domain formulation of an edge source integral equation. Proceedings of Meetings on Acoustics (POMA)
    Academic article
  • Svensson, U. Peter; Asheim, Andreas. (2012) An edge-source integral equation for the calculation of scattering (Abstracts). Journal of the Acoustical Society of America
    Abstract
  • Asheim, Andreas; Huybrechs, Daan. (2010) Asymptotic Analysis of Numerical Steepest Descent with Path Approximations. Foundations of Computational Mathematics
    Academic article
  • Asheim, Andreas; Huybrechs, Daan. (2010) Local solutions to high-frequency 2D scattering problems. Journal of Computational Physics
    Academic article
  • Asheim, Andreas; Svensson, U. Peter. (2010) Efficient evaluation of edge diffraction integrals using the numerical method of steepest descent. Journal of the Acoustical Society of America
    Academic article
  • Asheim, Andreas. (2008) A combined Filon/asymptotic quadrature method for highly oscillatory problems. BIT Numerical Mathematics
    Academic article

Artistic productions

  • Halle, Kari Krizak; Nilsen, Sara Marie; Asheim, Andreas. (2018) Lognormalskjerf.
    Visual Arts

Part of book/report

  • Svensson, U. Peter; Martin Roman, Sara-Regina; Asheim, Andreas. (2016) Efficient edge source approach to the modeling of multi-edge noise barrier tops.
    Academic chapter/article/Conference paper
  • Svensson, U. Peter; Asheim, Andreas. (2011) Edge-diffraction based integral equation for the scattering from convex rigid polyhedra.
    Academic chapter/article/Conference paper
  • Svensson, U. Peter; Asheim, Andreas. (2010) Computing diffraction integrals with the numerical method of steepest descent.
    Academic chapter/article/Conference paper

Report

  • Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2022) Effect of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Transport Delivery in Norway. Elsevier Elsevier
    Report
  • Asheim, Andreas; Svensson, U. Peter. (2012) An integral equation formulation for the diffraction from convex plates and polyhedra. Leuven University Press Leuven University Press
    Report
  • Asheim, Andreas. (2010) Numerical Methods for Highly Oscillatory Problems. Doktoravhandlinger ved NTNU (115)
    Doctoral dissertation

Outreach

2024

  • Academic lecture
    Asheim, Andreas. (2024) Where can ML/AI help, where can it not?. ForHelse ForHelse SFI samling , Trondheim 2024-05-22 -
  • Academic lecture
    Asheim, Andreas. (2024) Where can ML/AI help, where can it not?. Institutt for samfunnsmedisin og sykepleie, NTNU PhD seminar ISM 2024-05-23 -
  • Academic lecture
    Asheim, Andreas; Næss, Lars Eide; Krüger, Andreas Jørstad; Uleberg, Oddvar; Dale, Jostein; Haugland, Helge. (2024) Forsvarlig responstid i ambulansetjenesten. Statsforvalteren Trøndelag Torsdagsundervisning Statsforvalteren 2024-06-16 -
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2024) Størrelse på fødeinstitusjon, reisetid og utfall. Statsforvalteren Trøndelag Torsdagsundervisning Statsforvalteren 2024-05-16 -
  • Poster
    Asheim, Andreas; Risnes, Kari ; Valand, Jonas; Opdahl, Signe; Sandin, Sven; Nilsen, Sara Marie. (2024) Hospitalizations Due to RTI in Children Born Preterm - Examining the Influence of COVID-19 Preventive Measures. Department of Public Health, University of Copenhagen The 2nd European Perinatal and Paediatric Epidemiology Conference (EPPEC) , Copenhagen 2024-09-16 - 2024-09-17
  • Academic lecture
    Asheim, Andreas; Næss, Lars Eide; Dale, Jostein; Uleberg, Oddvar; Ulvin, Ole Erik Eide; Krüger, Andreas Jørstad. (2024) Does delayed response due to busy ambulances impact the risk of death and hospital service utilisation? . WIC/SKDE Wennberg International Collaboration , Oslo 2024-09-11 - 2024-09-12
  • Academic lecture
    Næss, Lars Eide; Krüger, Andreas Jørstad; Uleberg, Oddvar; Haugland, Helge; Dale, Jostein; Wattø, Jon-Ola. (2024) Opptatte ambulanser og responstid. NORCE Helsetjenesteforskningskonferansen 2024 , Bergen 2024-11-12 - 2024-11-13
  • Academic lecture
    Asheim, Andreas; Næss, Lars Eide; Dale, Jostein; Uleberg, Oddvar; Ulvin, Ole Erik Eide; Krüger, Andreas Jørstad. (2024) Opptatte ambulanser fører til forsinket respons. Har dette konsekvenser for risiko for død og helsetjenestebruk?. NORCE Helsetjenesteforskningskonferansen 2024 , Bergen 2024-11-12 - 2024-11-13
  • Academic lecture
    Wahlberg, Kirsti; Pape, Kristine; Austad, Bjarne; Asheim, Andreas; Anthun, Kjartan Sarheim; Bjørngaard, Johan Håkon. (2024) School absence policy and health care use – a difference-in-difference cohort analysis. 23rd Nordic Congress of General Practice 2024 23rd Nordic Congress of General Practice 2024 , Turku, Finland 2024-06-12 - 2024-06-14

2023

  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2023) Størrelse på fødeinstitusjon, reisetid og utfall. Norsk perinatalmedisinsk forening Perinataldagene 2023 , Lillehammer 2023-11-22 - 2023-11-24
  • Academic lecture
    Wahlberg, Kirsti; Pape, Kristine; Austad, Bjarne; Asheim, Andreas; Anthun, Kjartan Sarheim; Vie, Gunnhild Åberge. (2023) Fraværsgrensas effekt på helsetjenestebruk - en difference-in-difference analyse. Helsetjenesteforskningskonferansen , Stavanger 2023-11-02 - 2023-11-03
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Svedahl, Ellen Rabben; Kaspersen, Silje Lill; Bjerkeset, Ottar; Janszky, Imre. (2023) Risk of self-harm following discharge from acute somatic hospitalisations. Registerforskning for helsetjenesten (Regforsk) Exploring causal inference methods with observational data - visit by Professor Neil Davies , Trondheim 2023-08-31 - 2023-08-31
  • Academic lecture
    Vinjerui, Kristin Hestmann; Nilsen, Sara Marie; Asheim, Andreas; Anthun, Kjartan Sarheim; Pape, Kristine; Carlsen, Fredrik. (2023) General Practitioners ending their practice, impact on health care use. Regforsk Exploring Causal Inference Methods , Trondheim 2023-08-31 -
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Næss, Lars Eide; Dale, Jostein; Uleberg, Oddvar; Krüger, Andreas Jørstad. (2023) What is the Consequence of a Delayed Ambulance. Regforsk Exploring Causal Inference Methods , Trodnheim 2023-08-31 -
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2023) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. OsloMet Metodemøte OsloMet 2023-02-27 -
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2023) Er det trygt å føde på små sykehus?. Helsedirektoratet Faglunsj 2023-03-08 - 2023-03-08
  • Lecture
    Asheim, Andreas; Dale, Jostein; Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Pleym, Lars Eide-Næss. (2023) Forsvarlig responstid i ambulansetjenesten. Helsedirektoratet Faglunsj 2023-02-08 -
  • Poster
    Nilsen, Sara Marie; Valand, Jonas; Rogne, Tormod; Asheim, Andreas; Weiyao, Yin; Metsälä, Johanna. (2023) Elevated infection risk in lower gestational age groups - most prominent in children but still evident in adults. European Perinatal and Pediatric Epidemiology Conference (EPEC) , Stockholm, Karolinska 2023-09-28 - 2023-09-28
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Bjørngaard, Johan Håkon. (2023) Organisering av helsetjenesten: Åpent seminar 11. januar. Registerforskning for helsetjenesten (Regforsk) Organisering av helsetjenesten: Åpent seminar 11. januar , Trondheim 2023-01-11 - 2023-01-11
  • Academic lecture
    Asheim, Andreas; Næss, Lars Eide; Nilsen, Sara Marie; Dale, Jostein; Uleberg, Oddvar; Bjørngaard, Johan Håkon. (2023) Forsvarlig responstid i ambulansetjenesten. Regforsk - Registerforskning for helsetjenesten Organisering av helsetjenesten , St. Olavs hospital 2023-01-11 -
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2023) Bedre beslutningsgrunnlag fra registre, er det trygt for fødende å være tilknyttet små sykehus. Akuttmedisinsk fagavdeling, St. Olavs hospital Tirsdagsundervisning, anestesi , Trondheim 2023-04-25 -
  • Academic lecture
    Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina. (2023) Betydningen av en presset eldreomsorg. Regforsk/NTNU/St.olavs hospital Åpent seminar om organisering av helsetjenesten , Trondheim 2023-01-11 - 2023-01-11
  • Academic lecture
    Næss-Pleym, Lars Eide; Asheim, Andreas. (2023) Hva har det å si at ambulansen er opptatt?. Regforsk - Registerforskning for helsetjenesten Organisering av helsetjenesten , St. Olavs hospital 2023-01-11 - 2023-01-11
  • Popular scientific lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2023) Er det trygt å bli født på små sykehus?. Registerforskning for helsetjenesten (Regforsk) Organisering av helsetjenesten: Åpent seminar 11. januar , Trondheim 2023-01-11 -
  • Academic lecture
    Asheim, Andreas; Vinjerui, Kristin Hestmann; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Pape, Kristine; Carlsen, Fredrik. (2023) General practitioners ending their practice, impact on health care use. WIC/Scuala Sant'Anna Wennberg International Collaborative Fall Meeting 2023 , Pisa 2023-09-14 - 2023-09-15
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Magnussen, Elisabeth Balstad; Risnes, Kari ; Carlsen, Fredrik. (2023) Perinatal Mortality and Transport Delivery in Similar Populations with different hospital volumes and travel times . WIC/Scuala Sant'Anna Wennberg International Collaborative Fall Meeting 2023 , Pisa 2023-09-14 - 2023-09-14
  • Academic lecture
    Vinjerui, Kristin Hestmann; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Pape, Kristine; Carlsen, Fredrik. (2023) Brudd i lege- pasientrelasjonen og helsetjenestebruk. Universitetet i Stavanger Helsetjenesteforskningskonferansen 2023 , Stavanger 2023-11-02 - 2023-11-03
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Svedahl, Ellen Rabben; Kaspersen, Silje Lill; Bjerkeset, Ottar; Janszky, Imre. (2023) Risiko for suicid etter utskrivning fra nyoppstått akutt somatisk innleggelse. Helsetjenesteforskningskonferansen2023 2023-11-02 - 2023-11-03

2022

  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth; Carlsen, Fredrik. (2022) Effects of hospital delivery volume and travel time on birth outcomes in Norway from 2016 to 2022. UiO + NTNU Health Economics Seminar , ISM 2022-11-02 -
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth; Carlsen, Fredrik. (2022) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Helse Nord RHF Helsetjenesteforskningskonferansen 2022 , Tromsø 2022-10-19 -
  • Popular scientific lecture
    Vinjerui, Kristin Hestmann; Svedahl, Ellen Rabben; Nilsen, Sara Marie; Kaspersen, Silje Lill; Hosar, Rannei; Vie, Gunnhild Åberge. (2022) Forskning viser at ...., men er det sant?. NTNU Researchers Night 2022 , NTNU Realfagsbygget 2022-09-30 -
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina. (2022) Hvordan påvirker press på sykehuset dødelighet og reinnleggelser for eldre pasienter. NTNU, Institutt for samfunnsmedisin og sykepleie Høstmøte for primærhelsetjenesten , Trondheim 2022-10-05 -
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina. (2022) How do busy hospital circumstances affect mortality and readmission within 60 days: a cohort study of 680 000 acute admissions in Norway. Helse Nord RHF Helsetjenesteforskningskonferansen 2022 , Tromsø 2022-10-19 -
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth; Carlsen, Fredrik. (2022) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Fagavdelingen ved Helse Midt-Norge Foredrag for fagavdelingen ved Helse Midt-Norge , HMN Stjørdal 2022-08-27 -
  • Academic lecture
    Andvig, Jørgen Garberg; Johnsen, Lars Gunnar; Bjørnelv, Gudrun Maria Waaler; Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas. (2022) Frakturepidemiologi i Norge 2009-2016. Norsk ortopedisk forening Høstmøtet , Oslo 2022-10-26 - 2022-10-28
  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Opdahl, Signe; Risnes, Kari ; Magnussen, Elisabeth Balstad; Carlsen, Fredrik. (2022) Effekt av volum og reisetid på fødselsutfall i Norge fra 1999 til 2016. Fagledernettverk for fødselstjenester i Midt-Norge Fagledernettverksmøte , Teams 2022-12-08 -
  • Academic lecture
    Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina. (2022) Municipal capacity and patient mortality: exploring causal inference on municipal level. European Health Economics Association 2022-08-05 - 2022-08-08

2021

  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie. (2021) Natural Experiments in Health Services Research - Regforsk. Institutt for industriell økonomi og tek.ledelse NTNU/Stolav Digitalization in healthcare , Trondheim 2021-11-04 - 2021-11-04
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2021) Hoftebrudd i travle tider. St. Olavs hospital HF Fredagsforelesning , Trondheim 2021-11-05 - 2021-11-05
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars. (2021) Tid til operasjon og 60-dagers mortalitet i perioder med mange samtidige akuttkirurgiske pasienter- En analyse av 60 000 hoftebruddpasienter. Ahus Internundervisning , Norsk helsenett 2021-02-03 - 2021-02-03
  • Lecture
    Bjørngaard, Johan Håkon; Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar. (2021) Tid til operasjon og 60-dagers mortalitet i perioder med mange samtidige akuttkirurgiske pasienter- En analyse av 60 000 hoftebruddpasienter . Regionalt fagledernettverk for ortopedi , Zoom 2021-03-19 - 2021-03-19
  • Lecture
    Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar. (2021) Tid til operasjon og 60-dagers mortalitet i perioder med mange samtidige akuttkirurgiske pasienter- En analyse av 60 000 hoftebruddpasienter . Helseundersøkelsen i Nord-Trøndelag Seminar HUNT , Zoom 2021-02-12 - 2021-02-12
  • Interview
    Brandslet, Steinar; Bjørngaard, Johan Håkon; Johnsen, Lars Gunnar; Asheim, Andreas; Nilsen, Sara Marie. (2021) Flere dør av hoftebrudd når kirurgen har det travelt. Gemini Gemini [Internet] 2021-02-08
  • Lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan. (2021) Tid til akutt kirurgi - er det no viktig da?. St. Olavs hospital, prehospital forskningsgruppe Internundervisning , Zoom 2021-04-27 - 2021-04-27

2020

  • Academic lecture
    Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars. (2020) Utsatte operasjoner og 60-dagers mortalitet blant hoftebruddspasienter i perioder med mange samtidige kirurgiske pasienter. Regforskmiljøet Regforsk - Faglunsj , NTNU 2020-09-23 -

2019

  • Academic lecture
    Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Vatten, Lars Johan. (2019) Fremskyndet utskrivning etter hoftebrudd og risiko for død. SINTEF med Nasjonalt nettverk for helsetjenesteforskning Helsetjenesteforskningskonferansen 2019 , Trondheim 2019-03-12 - 2019-03-13
  • Academic lecture
    Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Uleberg, Oddvar; Næss-Pleym, Lars E.; Dale, Jostein; Nilsen, Sara Marie. (2019) Sanntidsprediksjon av pasientankomster med data fra AMK. SINTEF med Nasjonalt nettverk for helsetjenesteforskning Helsetjenesteforskningskonferansen 2019 , Trondheim 2019-03-12 - 2019-03-13

2018

  • Academic lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Uleberg, Oddvar. (2018) Emergency department delays and risk of death within 30 days - An instrumental variable analysis. Norsk forening for epidemiologi 25th NOFE Conference , Trondheim 2018-11-14 - 2018-11-15
  • Popular scientific lecture
    Bjørngaard, Johan Håkon; Nilsen, Sara Marie; Asheim, Andreas; Kaspersen, Silje Lill; Anthun, Kjartan Sarheim; Skarshaug, Lena Janita. (2018) Sommerseminar om kapasitetspress i helsetjenesten. Seminar med brukerorganisasjoner og klinikere 2018-06-13 - 2018-06-13
  • Lecture
    Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie. (2018) Forecasting time-distribution of emergency department arrivals . Regionalt senter for helsetjenesteutvikling, St. Olavs Fagmøte , Trondheim 2018-02-16 - 2018-02-16
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein. (2018) Prolonged length of emergency department stay and risk of death within 30 days – an instrumental variable analysis. Regionalt senter for helsetjenesteutvikling, St. Olavs Fagmøte , Trondheim 2018-06-15 - 2018-06-15
  • Popular scientific lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein. (2018) Akuttmottaket – er forlenget oppholdstid et problem for pasientsikkerheten?. Helse Midt-Norge RHF Fagmøte , Stjørdal 2018-09-25 - 2018-09-25
  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Bjørnsen, Lars Petter Bache-Wiig. (2018) Akuttmottaket – er forlenget oppholdstid et problem for pasientsikkerheten?. Regionalt senter for helsetjenesteutvikling, St. Olavs Fagmøte for ledelsen , Trondheim 2018-09-04 - 2018-09-04

2017

  • Lecture
    Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon. (2017) Time of admission and discharge for hip fracture patients. The association with hospital length of stay and mortality. Regionalt senter for helsetjenesteutvikling, St. Olavs Fagmøte , Trondheim 2017-11-03 - 2017-11-03
  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas; Martin Roman, Sara-Regina. (2017) Sound propagation through an aperture with edge diffraction modeling. 173rd Meeting of the Acoustical Society of America and the 8th Forum Acusticum, Boston 2017-06-25 - 2017-06-29

2013

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2013) Time-domain formulation of an edge source integral equation. ICA 21st International Congress on Acoustics , Montreal 2013-06-02 - 2013-06-07
  • Academic lecture
    Asheim, Andreas; Svensson, U. Peter. (2013) An edge source integral equation for the scattering from a flat plate. The 11th International Conference on Mathematical and Numerical Aspects of Waves , Gammarth 2013-06-03 - 2013-06-07

2012

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2012) An edge-source integral equation for the calculation of scattering (Abstracts). 164th Meeting of the Acoustical Society of America , Kansas City, MO 2012-10-22 - 2012-10-26

2011

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2011) Edge-diffraction based integral equation for the scattering from convex rigid polyhedra. Forum Acusticum 2011 , Aalborg 2011-06-27 - 2011-07-01

2010

  • Academic lecture
    Svensson, U. Peter; Asheim, Andreas. (2010) Computing diffraction integrals with the numerical method of steepest descent. The 20th International Congress on Acoustics , Sydney 2010-08-23 - 2010-08-27

2009

  • Academic lecture
    Asheim, Andreas. (2009) Høyoscillatorisk kvadratur. FoMiN (Forening for Norske matematikkstudenter) KoMiN 2009 (Konferanse for Norske matematikkstudenter) , NTNU, Trondheim 2009-10-30 - 2009-11-01
  • Academic lecture
    Asheim, Andreas. (2009) Combining asymptotic expansions and oscillatory quadrature. SciCade 2009 , Beijing 2009-05-25 - 2009-05-30
  • Academic lecture
    Asheim, Andreas; Daan, Huybrechs. (2009) The numerical method of steepest descent with approximated paths. ICOSAHOM 2009 , Trondheim 2009-02-22 - 2009-05-26

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