Browsing NTNU Open by Author "Asheim, Andreas"
Now showing items 1-19 of 19
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Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series
Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Janine Linda (Journal article; Peer reviewed, 2018)Background Actigraphy could be an objective alternative to clinical ratings of motor activity in bipolar disorder (BD), which is of importance now that increased activity and energy are added as cardinal symptoms of ... -
An investigation into effects of weather and seasonal factors on response time for helicopter emergency services in Central Norway
Skaue, Nikolai (Master thesis, 2022)Med en varierende topografi i Norge og vær som kan endres kjapt, er et godt strukturert akuttmedisinsk tilbud viktig. Ved å se på fullførte primær oppdrag med helikopter i Trøndelag og Møre & Romsdalen, har vi sett på hvor ... -
Analysing Associations with Hospital Length of Stay
Fagerli, Thea Lovise Leikvoll (Master thesis, 2023)Denne masteroppgaven analyserer sammenhengen mellom sykehusopphold (LOS) og to forskjellige utfall: dødelighetsrisiko og besøk hos fastlegen. For å oppnå dette ble Cox regresjon brukt til å vurdere sammenhengen mellom LOS ... -
Analysing multimorbidity using registry data
Nordeide, Simen (Master thesis, 2023)I løpet av de neste tiårne er det forventet at den vestlige verden får en aldrende befolkning, som vil føre til flere tilfeller av kompleks multimorbiditet. Siden sykehusene hovedsaklig er organisert rundt spesialiteter, ... -
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
Vinjerui, Kristin Hestmann; Anthun, Kjartan Sarheim; Asheim, Andreas; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie; Pape, Kristine; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2023)Introduction Continuous general practitioner (GP) and patient relations associate with positive health outcomes. Termination of GP practice is unavoidable, while consequences of final breaks in relations are less explored. ... -
General practitioners retiring or relocating and its association with healthcare use and mortality: a cohort study using Norwegian national data
Vinjerui, Kristin Hestmann; Asheim, Andreas; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie; Pape, Kristine; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2024) -
Gestational age at birth and hospitalisations for infections among individuals aged 0–50 years in Norway: a longitudinal, register-based, cohort study
Nilsen, Sara Marie; Valand, Jonas; Rogne, Tormod; Asheim, Andreas; Yin, Weiyao; Metsälä, Johanna; Opdahl, Signe; Døllner, Henrik; Damås, Jan Kristian; Kajantie, Eero; Solligård, Erik; Sandin, Sven; Risnes, Kari Ravndal (Peer reviewed; Journal article, 2023)Background Preterm birth is associated with increased risk of childhood infections. Whether this risk persists into adulthood is unknown and limited information is available on risk patterns across the full range of ... -
Helsepersonells oppfattelse av kapasitetspress i spesialisthelsetjenesten
Nilsen, Sara Marie; Asheim, Andreas; Tøndel, Gunhild (Journal article; Peer reviewed, 2019)BAKGRUNN Det er et helsepolitisk mål å øke utnyttelsen av ledig kapasitet i sykehusene, men flere er bekymret for at det er lite uutnyttet kapasitet igjen. Formålet med studien var å undersøke hvordan helsepersonell ... -
High volumes of recent surgical admissions, time to surgery, and 60-day mortality
Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2021)Few studies have investigated potential consequences of strained surgical resources. The aim of this cohort study was to assess whether a high proportion of concurrent acute surgical admissions, tying up hospital surgical ... -
High ward occupancy, bedspacing, and 60 day mortality for patients with myocardial infarction, stroke, and heart failure
Asheim, Andreas; Nilsen, Sara Marie; Aam, Stina; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Janszky, Imre; Vatten, Lars Johan; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2022)Abstract Aims To study the consequences of crowded wards among patients with cardiovascular disease. Methods and results This is a cohort study among 201 801 patients with 258 807 admissions who were acutely admitted for ... -
Hospitals' Discharge Tendency and Risk of Death - An Analysis of 60,000 Norwegian Hip Fracture Patients
Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Vatten, Lars Johan; Asheim, Andreas (Peer reviewed; Journal article, 2020)Purpose: A reduction in the length of hospital stay may threaten patient safety. This study aimed to estimate the effect of organizational pressure to discharge on 60-day mortality among hip fracture patients. Patients ... -
How do busy hospital circumstances affect mortality and readmission within 60 days: A cohort study of 680 000 acute admissions in Norway
Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina; Davies, Neil Martin; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2022)Objective To study mortality and readmissions for older patients admitted during more and less busy hospital circumstances. Design Cohort study where we identified patients that were admitted to the same hospital, ... -
Mortality and subsequent healthcare use among older patients discharged to a municipality with excess demand for elderly care
Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina; Kimbell, Elizabeth Anna; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2023)There is limited knowledge on how excess demand for elderly care influences patient outcomes. We used a natural experiment to estimate the causal effect of discharging elderly patients from hospital to municipalities with ... -
Numerical Methods for Highly Oscillatory Problems
Asheim, Andreas (Doktoravhandlinger ved NTNU, 1503-8181; 2010:115, Doctoral thesis, 2010)Classical quadrature methods, i.e. methods for numerical integration,require discretizations that become more fine the more the integrandis oscillating. Conversely, asymptotic methods provide approximationsof the same ... -
Real-time forecasting of emergency department arrivals using prehospital data
Asheim, Andreas; Bjørnsen, Lars Petter Bache-Wiig; Næss-Pleym, Lars Eide; Uleberg, Oddvar; Dale, Jostein; Nilsen, Sara Marie (Journal article; Peer reviewed, 2019)Background: Crowding in emergency departments (EDs) is a challenge globally. To counteract crowding in day-to-day operations, better tools to improve monitoring of the patient flow in the ED is needed. The objective of ... -
Short-Term Impact of Weekend Shifts on Absence in the Healthcare Sector: A GLMM and Case-Crossover Study
Hjelmervik, Anne Maline Bakkeløkken (Master thesis, 2024)Et robust helsevesen er essensielt for samfunnet. Demografiske trender i Norge og andre vestlige land forutsier en aldrende befolkning som vil legge enormt press på helsevesenet i de kommende tiårene, noe som krever en ... -
The effect of emergency department delays on 30-days mortality in Central Norway
Asheim, Andreas; Nilsen, Sara Marie; Carlsen, Fredrik; Næss-Pleym, Lars E.; Uleberg, Oddvar; Dale, Jostein; Bjørnsen, Lars Petter Bache-Wiig; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2019)Objective: To assess whether prolonged length of stay in the emergency department was associated with risk of death. Methods: We analysed data from 165,183 arrivals at St. Olav’s University Hospital’s emergency ... -
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
Asheim, Andreas; Nilsen, Sara Marie; Toch-Marquardt, Marlen; Anthun, Kjartan Sarheim; Johnsen, Lars Gunnar; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2018)Background and purpose: There are numerous studies on the weekend effect for hip fracture patients, with conflicting results. We analyzed time of admission and discharge, and the association with mortality and length of ... -
Using machine learning to assess the extent of busy ambulances and its impact on ambulance response times: A retrospective observational study
Næss, Lars Eide; Krüger, Andreas Jørstad; Uleberg, Oddvar; Haugland, Helge; Dale, Jostein; Wattø, Jon-Ola; Nilsen, Sara Marie; Asheim, Andreas (Peer reviewed; Journal article, 2024)Background Ambulance response times are considered important. Busy ambulances are common, but little is known about their effect on response times. Objective To assess the extent of busy ambulances in Central Norway ...