• Accuracy of surgical complication rate estimation using ICD-10 codes 

      Storesund, Anette; Haugen, Arvid Steinar; Hjortås, Magnus; Nortvedt, Monica Wammen; Flaatten, Hans; Eide, Geir Egil; Boermeester, Marja A.; Sevdalis, Nick; Søfteland, Eirik (Peer reviewed; Journal article, 2019-02)
      Background: The ICD‐10 codes are used globally for comparison of diagnoses and complications, and are an important tool for the development of patient safety, healthcare policies and the health economy. The aim of this ...
    • Adverse events and in-hospital mortality: An analysis of all deaths in a Norwegian health trust during 2011 

      Flaatten, Hans; Brattebø, Guttorm; Alme, Bjørn Arild; Berge, Kjersti; Rosland, Jan Henrik; Viste, Asgaut; Bertelsen, Bjørn; Harthug, Stig; Aardal, Sidsel (Peer reviewed; Journal article, 2017-07-06)
      Background: The estimated number of in-hospitals deaths due to adverse events is often different when using data from deceased patients compared with that of a population experiencing adverse events. Methods: The study was ...
    • Clinical Efficacy of Combined Surgical Patient Safety System and the World Health Organization’s Checklists in Surgery. A Nonrandomized Clinical Trial 

      Storesund, Anette; Haugen, Arvid Steinar; Flaatten, Hans; Nortvedt, Monica W.; Eide, Geir Egil; Boermeester, Marja A.; Sevdalis, Nick; Tveiten, Øystein; Mahesparan, Ruby; Hjallen, Bjørg Merete; Fevang, Jonas Meling; Størksen, Catrine Hjelle; Thornhill, Heidi Frances; Sjøen, Gunnar Helge; Kolseth, Solveig Moss; Haaverstad, Rune; Sandli, Oda Kristine; Søfteland, Eirik (Peer reviewed; Journal article, 2020)
      Importance: Checklists have been shown to improve patient outcomes in surgery. The intraoperatively used World Health Organization surgical safety checklist (WHO SSC) is now mandatory in many countries. The only evidenced ...
    • Cognitive function and health-related quality of life four years after cardiac arrest 

      Buanes, Eirik Alnes; Gramstad, Arne; Søvig, Karoline Kjellsdotter; Hufthammer, Karl Ove; Flaatten, Hans; Husby, Thomas; Langørgen, Jørund; Heltne, Jon-Kenneth (Peer reviewed; Journal article, 2015-04)
      Aim: Neuropsychological testing has uncovered cognitive impairment in cardiac arrest survivors with good neurologic outcome according to the cerebral performance categories. We investigated cognitive function and health-related ...
    • Cumulative prognostic score predicting mortality in patients older than 80 years admitted to the ICU 

      de Lange, Dylan W.; Brinkman, Sylvia; Flaatten, Hans; Boumendil, Ariane; Morandi, Alessandro; Andersen, Finn Husøy; Artigas, Antonio; Bertolini, Guido; Cecconi, Maurizio; Christensen, Steffen; Faraldi, Loredana; Fjølner, Jesper; Jung, Christian; Marsh, Brian; Moreno, Rui; Oeyen, Sandra; Öhman, Christina Agwald; Bollen Pinto, Bernardo; de Smet, Anne Marie G.A.; Soliman, Ivo W.; Szczeklik, Wojciech; Valentin, Andreas; Watson, Ximena; Zafeiridis, Tilemachos; Guidet, Bertrand (Peer reviewed; Journal article, 2019-06)
      OBJECTIVES To develop a scoring system model that predicts mortality within 30 days of admission of patients older than 80 years admitted to intensive care units (ICUs). DESIGN Prospective cohort study. SETTING A total of ...
    • Differences in mortality in critically ill elderly patients during the second COVID‑19 surge in Europe 

      Jung, Christian; Fjølner, Jesper; Bruno, Raphael Romano; Wernly, Bernhard; Artigas, Antonio; Pinto, Bernardo Bollen; Schefold, Joerg C.; Wolf, Georg; Kelm, Malte; Beil, Michael; Sviri, Sigal; van Heerden, Peter Vernon; Szczeklik, Wojciech; Czuczwar, Miroslaw; Joannidis, Michael; Oeyen, Sandra; Zafeiridis, Tilemachos; Andersen, Finn H.; Moreno, Rui; Leaver, Susannah; Boumendil, Ariane; De Lange, Dylan W.; Guidet, Bertrand; Flaatten, Hans (Journal article; Peer reviewed, 2021)
      Background: The primary aim of this study was to assess the outcome of elderly intensive care unit (ICU) patients treated during the spring and autumn COVID-19 surges in Europe. Methods: This was a prospective European ...
    • Huge variation in obtaining ethical permission for a non-interventional observational study in Europe 

      de Lange, Dylan W.; Guidet, Bertrand R.; Andersen, Finn Husøy; Artigas, Antonio; Bertolini, Guido; Moreno, Rui; Christensen, Steffen; Cecconi, Maurizio; Agvald-Öhman, Christina; Gradišek, Primož; Jung, Christian; Marsh, Brian J.; Oeyen, Sandra; Bollen Pinto, Bernardo; Szczeklik, Wojciech; Watson, Ximena; Zafeiridis, Tilemachos; Flaatten, Hans (Peer reviewed; Journal article, 2019-06-03)
      Background Ethical approval (EA) must be obtained before medical research can start. We describe the differences in EA for an pseudonymous, non-interventional, observational European study. Methods Sixteen European national ...
    • The impact of frailty on survival in elderly intensive care patients with COVID-19: the COVIP study 

      Jung, Christian; Flaatten, Hans; Fjølner, Jesper; Romano Bruno, Raphael; Wernly, Bernhard; Artigas, Antonio; Pinto, Bernardo Bollen; Schefold, Joerg C.; Wolff, Georg; Kelm, Malte; Beil, Michael; Sviri, Sigal; van Heerden, Peter Vernon; Szczeklik, Wojciech; Czuczwar, Miroslaw; Elhadi, Muhammed; Joannidis, Michael; Oeyen, Sandra; Zafeiridis, Tilemachos; Marsh, Brian; Andersen, Finn Husøy; Moreno, Rui; Cecconi, Maurizio; Leaver, Susannah; Boumendil, Ariane; De Lange, Dylan W.; Guidet, Bertrand (Journal article; Peer reviewed, 2021)
      Background The COVID-19 pandemic has led highly developed healthcare systems to the brink of collapse due to the large numbers of patients being admitted into hospitals. One of the potential prognostic indicators in ...
    • Lactate is associated with mortality in very old intensive care patients suffering from COVID-19: results from an international observational study of 2860 patients 

      Bruno, Raphael Romano; Wernley, Bernhard; Flaatten, Hans; Fjølner, Jesper; Artigas, Antonio; Pinto, Bernardo Bollen; Schefold, Joerg C.; Binnebössel, Stephan; Baldia, Philipp Heinrich; Kelm, Malte; Beil, Michael; Sigal, Sivri; van Heerden, Peter Vernon; Szczeklik, Wojciech; Elhadi, Muhammed; Joannidis, Michael; Oeyen, Sandra; Zafeiridis, Tilemachos; Wollborn, Jakob; Banzo, Maria José Arche; Fuest, Kristina; Marsh, Brian; Andersen, Finn H.; Moreno, Rui; Leaver, Susannah; Boumendil, Ariane; De Lange, Dylan W.; Guidet, Bertrand; Jung, Christian (Journal article; Peer reviewed, 2021)
      Purpose: Lactate is an established prognosticator in critical care. However, there still is insufficient evidence about its role in predicting outcome in COVID-19. This is of particular concern in older patients who have ...
    • Long-term survival and quality of life after intensive care for patients 80 years of age or older 

      Andersen, Finn H; Flaatten, Hans; Klepstad, Pål; Romild, Ulla Kristina; Kvåle, Reidar (Peer reviewed; Journal article, 2015-06-03)
      Background: Comparison of survival and quality of life in a mixed ICU population of patients 80 years of age or older with a matched segment of the general population. Methods: We retrospectively analyzed survival of ICU ...
    • Management and outcomes in critically ill nonagenarian versus octogenarian patients 

      Bruno, Raphael Romano; Wernly, Bernhard; Kelm, Malte; Boumendil, Ariane; Morandi, Alessandro; Andersen, Finn H.; Artigas, Antonio; Finazzi, Stefano; Cecconi, Maurizio; Christensen, Steffen; Faraldi, Loredana; Lichtenauer, Michael; Flaatten, Hans; Jung, Christian (Journal article; Peer reviewed, 2021)
      Background: Intensive care unit (ICU) patients age 90 years or older represent a growing subgroup and place a huge financial burden on health care resources despite the benefit being unclear. This leads to ethical problems. ...
    • Metabolic alkalosis is the most common acid-base disorder in ICU patients 

      Mæhle, Kirsten Vikesland; Haug, Bjørn; Flaatten, Hans; Nielsen, Erik Waage (Journal article, 2014-03-28)
    • Multifaceted intervention including Facebook-groups to improve guideline-adherence in ICU: A quasi-experimental interrupted time series study 

      Petosic, Antonija; Småstuen, Milada C.; Beeckman, Dimitri; Flaatten, Hans; Sunde, Kjetil; Wøien, Hilde (Journal article; Peer reviewed, 2021)
      Background: The impact of social media, with its speed, reach and accessibility, in interventions aimed to improve adherence to guidelines such as assessment of Pain, Agitation/Sedation and Delirium (PAD) in intensive care ...
    • Multiple organ failure after trauma affects even long- term survival and functional status 

      Ulvik, Atle; Kvåle, Reidar; Wentzel-Larsen, Tore; Flaatten, Hans (Peer reviewed; Journal article, 2007-09-04)
      Background The aim of this study was to assess the incidence of organ failure in trauma patients treated in an intensive care unit (ICU), and to study the relationship between organ failure and long-term survival and ...
    • Relationship between the Clinical Frailty Scale and short‑term mortality in patients ≥ 80 years old acutely admitted to the ICU: a prospective cohort study. 

      Fronczek, Jakub; Polok, Kamil; de Lange, Dylan W.; Jung, Christian; Beil, Michael; Rhodes, Andrew; Fjølner, Jesper; Górka, Jacek; Andersen, Finn H.; Artigas, Antonio; Cecconi, Maurizio; Christensen, Steffen; Flaatten, Hans; Szczeklik, Wojciech (Journal article; Peer reviewed, 2021)
      Background: The Clinical Frailty Scale (CFS) is frequently used to measure frailty in critically ill adults. There is wide variation in the approach to analysing the relationship between the CFS score and mortality after ...
    • Reliability of the Clinical Frailty Scale in very elderly ICU patients: a prospective European study 

      Flaatten, Hans; Guidet, Bertrand; Andersen, Finn Husøy; Artigas, Antonio; Cecconi, Maurizio; Boumendil, Ariane; Elhadi, Muhammed; Fjølner, Jesper; Joannidis, Michael; Jung, Christian; Leaver, Susannah; Marsh, Brian; Moreno, Rui; Oeyen, Sandra; Nalapko, Yuriy; Schefold, Joerg C.; Szczeklik, Wojciech; Walther, Sten; Watson, Ximena; Zafeiridis, Tilemachos; de Lange, Dylan W. (Journal article; Peer reviewed, 2021)
      Purpose Frailty is a valuable predictor for outcome in elderly ICU patients, and has been suggested to be used in various decision-making processes prior to and during an ICU admission. There are many instruments developed ...
    • Sepsis at ICU admission does not decrease 30-day survival in very old patients: a post-hoc analysis of the VIP1 multinational cohort study 

      Ibarz, Mercedes; Boumendil, Ariane; Flaatten, Hans; Andersen, Finn Husøy; Artigas, Antonio; Haas, Lenneke E. M.; Irazabal, Marian; de Lange, Dylan W.; Morandi, Alessandro; Bertolini, Guido; Cecconi, Maurizio; Christensen, Stefen; Faraldi, Loredana; Fjølner, Jesper; Jung, Christian; Marsh, Brian; Moreno, Rui; Oeyen, Sandra; Öhman, Christina Agwald; Pinto, Bernardo Bollen; Soliman, Ivo W.; Valentin, Andreas; Szczeklik, Wojciech; Watson, Ximena; Zaferidis, Tilemachos; Guidet, Bertrand; Artigas, Antonio (Journal article; Peer reviewed, 2020)
      Background The number of intensive care patients aged ≥ 80 years (Very old Intensive Care Patients; VIPs) is growing. VIPs have high mortality and morbidity and the benefits of ICU admission are frequently questioned. ...
    • Sex-specific outcome disparities in very old patients admitted to intensive care medicine: a propensity matched analysis 

      Wernly, Bernhard; Bruno, Raphael Romano; Kelm, Malte; Boumendil, Ariane; Morandi, Alessandro; Andersen, Finn Husøy; Artigas, Antonio; Finazzi, Stefano; Cecconi, Maurizio; Christensen, Steffen; Faraldi, Loredana; Lichtenauer, Michael; Muessig, Johanna M.; Marsh, Brian; Moreno, Rui; Oeyen, Sandra; Öhman, Christina Agwald; Pinto, Bernadro Bollen; Soliman, Ivo W.; Szczeklik, Wojciech; Niederseer, David; Valentin, Andreas; Watson, Ximena; Leaver, Susannah; Boulanger, Carole; Walther, Sten; Schefold, Jörg C.; Joannidis, Michael; Nalapko, Yuriy; Elhadi, Muhammed; Fjølner, Jesper; Zafeiridis, Tilemachos; De Lange, Dylan W.; Guidet, Bertrand; Flaatten, Hans; Jung, Christian (Journal article; Peer reviewed, 2020)
      Female and male very elderly intensive patients (VIPs) might differ in characteristics and outcomes. We aimed to compare female versus male VIPs in a large, multinational collective of VIPs with regards to outcome and ...
    • Use of social media for communicating about critical care topics: A Norwegian cross-sectional survey 

      Petosic, Antonija; Sunde, Kjetil; Beeckman, Dimitri; Flaatten, Hans; Wøien, Hilde (Peer reviewed; Journal article, 2019-07-08)
      Background: Social media (SoMe) might be an alternative platform for communicating critical care topics to implement evidence‐based practice in the intensive care unit (ICU). This survey aims to describe ICU nurses’ and ...
    • Variations in the length of stay of intensive care unit nonsurvivors in three scandinavian countries 

      Strand, Kristian; Walther, Sten M.; Reinikainen, Matti; Ala-Kokko, Tero; Nolin, Thomas; Martner, Jan; Mussalo, Petteri; Søreide, Eldar; Flaatten, Hans (Peer reviewed; Journal article, 2010-10-04)
      Introduction: The length of stay (LOS) in intensive care unit (ICU) nonsurvivors is not often reported, but represents an important indicator of the use of resources. LOS in ICU nonsurvivors may also be a marker of cultural ...