Academic article

• Frode Lindemark; Øystein Ariansen Haaland; Reidar Kvåle et al. (2017). Costs and expected gain in lifetime health from intensive care versus general ward care of 30,712 individual patients: A distribution-weighted cost-effectiveness analysis. (external link)
• Anette Storesund; Arvid Steinar Haugen; Hans Flaatten et al. (2020). Clinical Efficacy of Combined Surgical Patient Safety System and the World Health Organization's Checklists in Surgery: A Nonrandomized Clinical Trial. (external link)
• Lena Modalsli; Kristin Liknes; Hans Flaatten (2020). Outcomes after percutaneous dilatation tracheostomy: Patients view 6 years after the procedure. (external link)
• Hans Flaatten; Olav Hevrøy (1999). Errors in the intensive care unit (ICU). (external link)
• Øyvind Østerås; Stian Kreken Almeland; Håvard Erik Landsdalen et al. (2024). A temporary hospital intensive care unit: a preparedness concept to increase intensive care capacity. (external link)
• Hans Flaatten; Sidsel Aardal; Olav Hevrøy (1998). Improved oxygenation using the prone position in patients with ARDS. (external link)
• Stephan Binneboessel; Raphael Romano Bruno; Bernhard Wernly et al. (2022). Cytokine absorption in critically ill old COVID-19 patients with renal failure: A retrospective analysis of 503 intensive care unit patients. (external link)
• J. Trovik; K. Haram; A. Berstad et al. (1996). Nasoenteral sondeernæring ved hypermesis gravidarum. Et alternativ til parental ernæring. (external link)
• Zbigniew Putowski; Marcelina Czok; Kamil Polok et al. (2023). Reporting SOFA in research: we should always present each of the SOFA subscores. (external link)
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• G. Brattebø; D Hofoss; Hans Flaatten et al. (2004). Effect of a scoring system and protocol for sedation on duration of patients' need for ventilator support in a surgical intensive care unit (Reprinted from BMJ, vol 324, 1386-9, 2002). (external link)
• Hans Flaatten (2004). Epidemiology of sepsis in Norway in 1999. (external link)
• Johan Torgersen; Christian Andre Helland; Hans Flaatten et al. (2010). Reversible dyscognition in patients with a unilateral, middle fossa arachnoid cyst revealed by using a laptop based neuropsychological test battery (CANTAB). (external link)
• Lenneke Haas; Ariane Boumendil; Hans Flaatten et al. (2021). Frailty is associated with long-term outcome in patients with sepsis who are over 80 years old: results from an observational study in 241 European ICUs. (external link)
• Christian Jung; Hans Flaatten; Jesper Fjølner et al. (2021). The impact of frailty on survival in elderly intensive care patients with COVID-19: the COVIP study. (external link)
• Hans Flaatten (1994). Lederartikkel i nr. 2,3 og 5. (external link)
• Christian Jung; Jesper Fjølner; Raphael Romano Bruno et al. (2021). Differences in mortality in critically ill elderly patients during the second COVID‑19 surge in Europe. (external link)
• Thomas Omdal; Jonas Dale; Stein Atle Lie et al. (2011). Time trends in incidence, etiology, and case fatality rate of the first attack of acute pancreatitis. (external link)
• Dylan W. de Lange; Bertrand R. Guidet; Finn Husøy Andersen et al. (2019). Huge variation in obtaining ethical permission for a non-interventional observational study in Europe. (external link)
• Jilske A. Huijben; E Wiegers; Nicolette F. De Keizer et al. (2019). Development of a quality indicator set to measure and improve quality of ICU care for patients with traumatic brain injury. (external link)
• Kamil Polok; Jakub Fronczek; Bertrand Guidet et al. (2023). Outcomes of patients aged ≥80 years with respiratory failure initially treated with non-invasive ventilation in European intensive care units before and during COVID-19 pandemic. (external link)
• Knut Anders Mosevoll; Steinar Skrede; DAGFINN LUNDE MARKUSSEN et al. (2018). Inflammatory mediator profiles differ in sepsis patients with and without bacteremia. (external link)
• Raphael Romano Bruno; Bernhard Wernley; Hans Flaatten et al. (2021). Lactate is associated with mortality in very old intensive care patients suffering from COVID-19: results from an international observational study of 2860 patients. (external link)
• Finn H Andersen; Hans Flaatten; Pål Klepstad et al. (2016). Long-Term Outcomes after ICU Admission Triage in Octogenarians. (external link)
• Hans Kristian Flaatten; Johannes Kolnes; Torhild Heggestad et al. (2026). Hospital use and outcomes in somatic patients aged 80 years and older: a retrospective register study from a Norwegian tertiary hospital, 2002–2022. (external link)
• Daniel Dankl; Raphael Romano Bruno; Michael Beil et al. (2025). Prognosis of Nonagenarian ICU Patients A Bayesian analysis of prospective European studies. (external link)
• S Gjerde; Hans Flaatten; K Svanes (1995). Bruk av veksthormon ved katabol tilstand hos en kirurgisk intensivpasient. (external link)
• Hans Flaatten; Michael Beil; Bertrand Guidet (2020). Prognostication in older ICU patients: mission impossible?. (external link)
• Hans Flaatten; Vernon Van Heerden; Christian Jung et al. (2020). The good, the bad and the ugly: pandemic priority decisions and triage. (external link)
• Michelle S. Chew; Salla Kattainen; Nicolai Haase et al. (2021). A descriptive study of the surge response and outcomes of ICU patients with COVID-19 during first wave in Nordic countries. (external link)
• R Hunskår; Hans Flaatten (1998). Alle kan gjøre feil. (external link)
• Hans Flaatten (1998). Smerte, verdt å ta på alvor. (external link)
• Hans Flaatten; M Finne; Jan Henrik Rosland et al. (1998). Puncture technique and postural post-dural headache. A randomised, double blind study. (external link)
• Bernhard Wernly; Richard Rezar; Hans Kristian Flaatten et al. (2022). Variations in end-of-life care practices in older critically ill patients with COVID-19 in Europe. (external link)
• Siri Tandberg Nygård; Nina Langeland; Hans Flaatten et al. (2014). Aetiology, antimicrobial therapy and outcome of patients with community acquired severe sepsis: A prospective study in a Norwegian university hospital. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Georg Wolff et al. (2022). Association of chronic heart failure with mortality in old intensive care patients suffering from Covid-19. (external link)
• Michael Beil; P. Vernon van Heerden; Dylan W. de Lange et al. (2023). Contribution of information about acute and geriatric characteristics to decisions about life-sustaining treatment for old patients in intensive care. (external link)
• Bertrand Guidet; Christian Jung; Hans Kristian Flaatten et al. (2022). Increased 30-day mortality in very old ICU patients with COVID-19 compared to patients with respiratory failure without COVID-19. (external link)
• Michael Beil; Peter Vernon van Heerden; Gavin M. Joynt et al. (2023). Limiting life-sustaining treatment for very old ICU patients: cultural challenges and diverse practices. (external link)
• Gunnar Husabø; Roy Miodini Nilsen; Erik Solligård et al. (2020). Effects of external inspections on sepsis detection and treatment: a stepped-wedge study with cluster-level randomisation. (external link)
• Bernhard Wernly; Raphael Romano Bruno; Michael Beil et al. (2023). Frailty’s influence on 30-day mortality in old critically ill ICU patients: a bayesian analysis evaluating the clinical frailty scale. (external link)
• Siri Tandberg Knoop; Steinar Skrede; Nina Langeland et al. (2017). Epidemiology and impact on all-cause mortality of sepsis in Norwegian hospitals: A national retrospective study. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Malte Kelm et al. (2021). Management and outcomes in critically ill nonagenarian versus octogenarian patients. (external link)
• Johan Torgersen; Jon Fredrik Hole; Reidar Kvåle et al. (2011). Cognitive impairments after critical illness. (external link)
• Kamil Polok; Jakub Fronczek; Peter V. Van Heerden et al. (2021). Association between tracheostomy timing and outcomes for older critically ill COVID-19 patients: prospective observational study in European intensive care units. (external link)
• Atle Ulvik; Reidar Kvåle; Tore Wentzel-Larsen et al. (2008). Quality of life 2-7 years after major trauma. (external link)
• Dylan W. de Lange; Ivo W. Soliman; Susannah Leaver et al. (2024). The association of premorbid conditions with 6-month mortality in acutely admitted ICU patients over 80 years. (external link)
• Guro Stokke; Bente Leirvåg Gjelsvik; Katrine Trovik Flaatten et al. (2015). Hyperemesis gravidarum, nutritional treatment by nasogastric tube feeding: A 10-year retrospective cohort study. (external link)
• Andrew Rhodes; Rui Moreno; Elie Azoulay et al. (2012). Prospectively defined indicators to improve the safety and quality of care for critically ill patients: a report from the Task Force on Safety and Quality of the European Society of Intensive Care Medicine (ESICM). (external link)
• Kamil Polok; Jakub Fronczek; Zbigniew Putowski et al. (2023). Validity of the total SOFA score in patients ≥ 80 years old acutely admitted to intensive care units: a post-hoc analysis of the VIP2 prospective, international cohort study. (external link)
• Ivo W Soliman; Susannah Leaver; Hans Kristian Flaatten et al. (2022). Health-related quality of life in older patients surviving ICU treatment for COVID-19: results from an international observational study of patients older than 70 years. (external link)
• Hans Flaatten; Elisabeth Skaar; Gavin Matthew Joynt (2018). Understanding cardiovascular physiology of ageing. (external link)
• Kjersti Nesheim Power; Hans Flaatten; Nils Erik Gilhus et al. (2011). Propofol treatment in adult refractory status epilepticus. Mortality risk and outcome. (external link)
• Hans Flaatten (2005). How to learn from adverse events?. (external link)
• Hans Flaatten; Dylan W. de Lange; Alessandro Morandi et al. (2017). The impact of frailty on ICU and 30-day mortality and the level of care in very elderly patients (≥ 80 years). (external link)
• Gunnar Husabø; Roy Miodini Nilsen; Hans Flaatten et al. (2020). Early diagnosis of sepsis in emergency departments, time to treatment, and association with mortality: An observational study. (external link)
• Christian Jung; Bernhard Wernly; Johanna Maria Muessig et al. (2019). A comparison of very old patients admitted to intensive care unit after acute versus elective surgery or intervention. (external link)
• Eirik Alnes Buanes; Arne Gramstad; Karoline Kjellsdotter Søvig et al. (2015). Cognitive function and health-related quality of life four years after cardiac arrest. (external link)
• Hans Flaatten (2019). The hospital frailty risk score is of limited value in intensive care unit patients. (external link)
• Conrad Arnfinn Bjørshol; Stephen J. M. Sollid; Hans Flaatten et al. (2016). Great variation between ICU physicians in the approach to making end-of-life decisions.. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Hans Kristian Flaatten et al. (2022). The association of the Activities of Daily Living and the outcome of old intensive care patients suffering from COVID-19. (external link)
• Hans Flaatten; Bertrand Guidet; Finn Husøy Andersen et al. (2021). Reliability of the Clinical Frailty Scale in very elderly ICU patients: a prospective European study. (external link)
• J Wilde; Julian Bion; Hans Flaatten (2009). The educational environment for training in intensive care medicine: structures, processes, outcomes and challenges in the European region. (external link)
• Fredrik Koller Lund; Johan Torgersen; Hans Flaatten (2009). Heart rate monitored hypothermia and drowning in a 48-year-old man, survival without sequelae: a case report. (external link)
• Raphael Romano Bruno; Mara Schemmelmann; Johanna Hornemann et al. (2024). Sublingual microcirculatory assessment on admission independently predicts the outcome of old intensive care patients suffering from shock. (external link)
• Elin Kismul Aakre; Kristin Moberg Aakre; Hans Kristian Flaatten et al. (2024). High-Sensitivity Cardiac Troponin T and Frailty Predict Short-Term Mortality in Patients ≥75 Years Undergoing Emergency Abdominal Surgery: A Prospective Observational Study. (external link)
• Michael Beil; Sigal Sviri; Hans Kristian Flaatten et al. (2021). On predictions in critical care: The individual prognostication fallacy in elderly patients.. (external link)
• Peter Vernon van Heerden; Sigal Sviri; Michael Beil et al. (2020). The wave of very old people in the intensive care unit–A challenge in decision-making. (external link)
• Hans Flaatten; Guttorm Brattebø; Bjørn Arild Alme et al. (2017). Adverse events and in-hospital mortality: An analysis of all deaths in a Norwegian health trust during 2011. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Behrooz Mamandipoor et al. (2021). ICU-Mortality in Old and Very Old Patients Suffering From Sepsis and Septic Shock. (external link)
• Kristian Strand; Sten M Walther; Matti Reinikainen et al. (2010). Variations in the length of stay of intensive care unit nonsurvivors in three scandinavian countries. (external link)
• Paweł Pasieka; Anna Surówka; Jakub Fronczek et al. (2024). Prevalence of life-sustaining treatment limitations in Polish very old intensive care patients (VIPs). A post-hoc analysis of two prospective observational studies. (external link)
• Atle Ulvik; Tore Wentzel-Larsen; Hans Flaatten (2007). Trauma patients in the intensive care unit: short- and long-term survival and predictors of 30-day mortality. (external link)
• Finn Husøy Andersen; Øystein Ariansen Haaland; Pål Klepstad et al. (2021). Frailty and survival in elderly intensive care patients in Norway. (external link)
• Bertrand Guidet; Hans Flaatten; Ariane Boumendil et al. (2018). Withholding or withdrawing of life-sustaining therapy in older adults (≥ 80 years) admitted to the intensive care unit. (external link)
• Hans Flaatten; E Svarstad; Bjarte Askeland (1994). Akutt nyresvikt som ledd i flerorgansvikt. (external link)
• T Wisborg; Anne Berit Guttormsen; MB Sørensen et al. (1994). The potential of an anaesthesiologist manned ambulance service in a rural/urban district. (external link)
• Kamil Polok; Jakub Fronczek; Antonio Artigas et al. (2022). Noninvasive ventilation in COVID-19 patients aged ≥ 70 years—a prospective multicentre cohort study. (external link)
• Oded Mousai; Lola Tafoureau; Tamar Yovell et al. (2023). The role of clinical phenotypes in decisions to limit life-sustaining treatment for very old patients in the ICU. (external link)
• Timo Mayerhöfer; Sebastian Klein; Bernhard Wernly et al. (2023). Diabetes mellitus is associated with 90-day mortality in old critically ill COVID-19 patients: a multicenter prospective observational cohort study. (external link)
• Johan Torgersen; Kristian Strand; Thor W. Bjelland et al. (2010). Cognitive dysfunction and health-related quality of life after a cardiac arrest and therapeutic hypothermia. (external link)
• Atle Ulvik; Reidar Kvåle; Tore Wentzel-Larsen et al. (2007). Multiple organ failure after trauma affects even long-term survival and functional status. (external link)
• Paweł Melchior Pasieka; Michał Kurek; Wojciech Skupnik et al. (2024). Predictors of outcomes of patients ≥ 80 years old admitted to intensive care units in Poland – a post-hoc analysis of the VIP2 prospective observational study. (external link)
• Michael Beil; Hans Kristian Flaatten; Bertrand Guidet et al. (2022). Time-dependent uncertainty of critical care transitions in very old patients - lessons for time-limited trials. (external link)
• Andrew Rhodes; Patrick Ferdinande; Hans Flaatten et al. (2012). The variability of critical care bed numbers in Europe. (external link)
• Hans Kristian Flaatten; Reidar Kvåle (2001). Survival and quality of life 12 years after ICU. A comparison with the general Norwegian population. (external link)
• Siri Tandberg Nygård; Steinar Skrede; Nina Langeland et al. (2017). An observational study of community-acquired severe sepsis comparing intensive care and non-intensive care patients. (external link)
• Hans Flaatten (2005). Follow-up after intensive care: another role for the intensivist?. (external link)
• Philipp Heinrich Baldia; Bernhard Wernly; Hans Kristian Flaatten et al. (2022). The association of prior paracetamol intake with outcome of very old intensive care patients with COVID-19: results from an international prospective multicentre trial. (external link)
• Eirik Alnes Buanes; Øyvind Bruserud; Sergio Carracedo Huroz et al. (2023). External validation of SAPS II score reported to the Norwegian Intensive Care and Pandemic Registry (NIPaR). (external link)
• Reidar Kvåle; Hans Kristian Flaatten (2003). Changes in health-related quality of life from 6 months to 2 years after discharge from intensive care. (external link)
• Hans Flaatten; Stig Gjerde; John-Helge Heimdal et al. (2006). The effect of tracheostomy on outcome in intensive care unit patients. (external link)
• Dmitri Nepogodiev; Omar M Omar; James C Glasbey et al. (2020). Elective surgery cancellations due to the COVID-19 pandemic: global predictive modelling to inform surgical recovery plans. (external link)
• Thomas Husby; Johan Torgersen; Hans Flaatten (2014). Cognitive effects of hospital calls in anaesthesiologists. (external link)
• Einar Hovlid; Jan C Frich; Kieran Walshe et al. (2017). Effects of external inspection on sepsis detection and treatment: a study protocol for a quasiexperimental study with a stepped-wedge design. (external link)
• Atle Ulvik; Reidar Kvåle; Tore Wentzel-Larsen et al. (2008). Sexual function in ICU survivors more than 3 years after major trauma. (external link)
• Reidar Kvåle; Hans Kristian Flaatten (2002). Changes in intensive care from 1987 to 1997 - has outcome improved? A single centre study. (external link)
• Ivar Austlid; Hans Flaatten (1995). Lysmandreng- et alternativ ved vanskelig intubasjon. (external link)
• Gabriele Leonie Schwarz; Elisabeth Skaar; Ingrid Miljeteig et al. (2024). ICU Admission Preferences in the Hypothetical Event of Acute Critical Illness: A Survey of Very Old Norwegians and Their Next-of-Kins. (external link)
• Anette Storesund; Arvid Steinar Haugen; Magnus Hjortås et al. (2018). Accuracy of surgical complication rate estimation using ICD-10 codes. (external link)
• Elin Kismul Aakre; Bjørn Steinar Olden Nedrebø; Atle Ulvik et al. (2026). Impact of a Care Pathway for Older Patients Undergoing Emergency Abdominal Surgery: A Before‐and‐After Study. (external link)
• Gabriele Leonie Schwarz; Brit Ågot Sjøbø; Elisabeth Skaar et al. (2025). ‘I am old, and I will rather abandon life with my eyes open’: a qualitative study of Norwegians aged 80 and older explaining their intensive care unit admission preferences. (external link)
• S Gjerde; Hans Flaatten; S Svanes (1995). Bruk av veksthormon ved katabol tilstand hos en kirurgisk intensivpasient. (external link)
• Trond Bruun; Bård Reiakvam Kittang; Bram Johan de Hoog et al. (2013). Necrotizing soft tissue infections caused by Streptococcus pyogenes and Streptococcus dysgalactiae subsp equisimilis of groups C and G in western Norway. (external link)
• T. Wisborg; Hans Flaatten; Mai-Elin Koller (1991). Percutaneous placement of permanent central venous catheters: experience with 200 catheters. (external link)
• Kristian Strand; Liv Inger Strand; Hans Flaatten (2010). The interrater reliability of SAPS II and SAPS 3. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Michael Beil et al. (2020). Therapy limitation in octogenarians in German intensive care units is associated with a longer length of stay and increased 30 days mortality: A prospective multicenter study. (external link)
• Antonija Petosic; Kjetil Sunde; Dimitri Beeckman et al. (2019). Use of social media for communicating about critical care topics: A Norwegian cross-sectional survey. (external link)
• J. Wernerman; Hans Flaatten (2004). The problem with reporting the cost of intensive care. (external link)
• Dagan O Lonsdale; Liting Tong; Helen Farrah et al. (2022). The clinical frailty scale – does it predict outcome of the very-old in UK ICUs?. (external link)
• Hans Flaatten; J Felthaus; R Larsen et al. (1998). Postural post-dural puncture headache after spinal and epidural anaesthesia. A randomised, double blind study. (external link)
• Bernhard Wernly; Hans Kristian Flaatten; Michael Beil et al. (2022). A retrospective cohort study comparing differences in 30-day mortality among critically ill patients aged ≥ 70 years treated in European tax-based healthcare systems (THS) versus social health insurance systems. (external link)
• Christina Jones; Carl G Bäckman; Maurizia Capuzzo et al. (2010). Intensive care diaries reduce new onset post traumatic stress disorder following critical illness: a randomised, controlled trial. (external link)
• Hans Kristian Flaatten; Reidar Kvåle (2003). Cost of intensive care in a Norwegian University hospital 1997-1999. (external link)
• Hans Flaatten; Anders Larsson; Jan Wernerman (2004). The intensivist training programme in the Scandinavian countries. (external link)
• Christian Jung; Behrooz Mamandipoor; Jesper Fjølner et al. (2022). Disease-Course Adapting Machine Learning Prognostication Models in Elderly Patients Critically Ill With COVID-19: Multicenter Cohort Study With External Validation. (external link)
• Kristian Strand; Eldar Søreide; Sidsel Aardal et al. (2009). A comparison of SAPS II and SAPS 3 in a Norwegian intensive care unit population. (external link)
• Hans Kristian Flaatten; Bertrand Guidet; Dylan W. de Lange et al. (2022). The importance of revealing data on limitation of life sustaining therapy in critical ill elderly Covid-19 patients. (external link)
• Øystein Ariansen Haaland; Frode Lindemark; Hans Flaatten et al. (2014). A calibration study of SAPS II with Norwegian intensive care registry data. (external link)
• Jakub Fronczek; Kamil Polok; Dylan W. de Lange et al. (2021). Relationship between the Clinical Frailty Scale and short‑term mortality in patients ≥ 80 years old acutely admitted to the ICU: a prospective cohort study.. (external link)
• Michael Beil; Laura Alberto; Richard S. Bourne et al. (2025). ESICM consensus-based recommendations for the management of very old patients in intensive care. (external link)
• Antonija Petosic; Milada C. Småstuen; Dimitri Beeckman et al. (2021). Multifaceted intervention including Facebook-groups to improve guideline-adherence in ICU: A quasi-experimental interrupted time series study. (external link)
• Bernhard Wernley; Hans Kristian Flaatten (2021). Provision of critical care for the elderly in Europe: a retrospective comparison of national healthcare frameworks in intensive care units. (external link)
• Anne Veddeng; Thomas Husby; Ingeborg Bøe Engelsen et al. (2014). Impact of night shifts on laparoscopic skills and cognitive function among gynecologists. (external link)
• F. Wesenberg; Hans Flaatten (1993). Central venous catheter with subcutanous injection port (Port-A-Cath): 8 years clinical follow up with children. (external link)
• Bertrand Guidet; Dylan W. de Lange; Ariane Boumendil et al. (2019). The contribution of frailty, cognition, activity of daily life and comorbidities on outcome in acutely admitted patients over 80 years in European ICUs: the VIP2 study. (external link)
• Antonija Petosic; Helene Berntzen; Dimitri Beeckman et al. (2023). Use of Facebook in a quality improvement campaign to increase adherence to guidelines in intensive care: A qualitative study of nurses’ and physicians’ experiences. (external link)
• Hans Flaatten; Atle Ulvik (2006). Quality of life after intensive care in trauma patients. (external link)
• Jakub Fronczek; Kamil Polok; Ilona Nowak-Kózka et al. (2018). Frailty increases mortality among patients = 80 years old treated in Polish ICUs. (external link)
• Bernhard Wernly; Raphael Romano Bruno; Malte Kelm et al. (2020). Sex-specific outcome disparities in very old patients admitted to intensive care medicine: a propensity matched analysis. (external link)
• Reidar Kvåle; Atle Ulvik; Hans Kristian Flaatten (2003). Follow-up after intensive care: a single center study. (external link)
• Georg Wolff; Bernhard Wernly; Hans Kristian Flaatten et al. (2022). Sex-specific treatment characteristics and 30-day mortality outcomes of critically ill COVID-19 patients over 70 years of age—results from the prospective COVIP study. (external link)
• Finn H Andersen; Hans Flaatten; Pål Klepstad et al. (2015). Long-term survival and quality of life after intensive care for patients 80 years of age or older. (external link)
• Oded Mousai; Lola Tafoureau; Tamar Yovell et al. (2022). Clustering analysis of geriatric and acute characteristics in a cohort of very old patients on admission to ICU. (external link)
• F. Wesenberg; Hans Flaatten; C. W. Janssen Jr (1993). Central venous catheter with subcutaneous injection port: 8 years clinical follow up with children. (external link)
• M Skumsnes; Hans Flaatten (1995). Nitrogenmonoksyd- et behandlingstilbud til intensivpasienter med alvorlig lungesvikt. (external link)
• Bernhard Wernley; Hans Flaatten; Christian Jung (2021). Propensity-Adjusted Comparison of Mortality of Elderly Versus Very Elderly Ventilated Patients.. (external link)
• Johan Torgersen; Hans Flaatten; Bernt Engelsen et al. (2012). Clinical validation of Cambridge neuropsychological test automated battery in a Norwegian epilepsy population. (external link)
• Richard S. Bourne; Laura Alberto; Nathan E. Brummel et al. (2025). Understanding barriers and facilitators to implementation of consensus-based recommendations for the management of very old people in intensive care. (external link)
• Hans Flaatten (1995). Akutt respirasjonssvikt. (external link)
• Jesper Fjølner; Øystein Ariansen Haaland; Christian Jung et al. (2022). Who gets the ventilator? A multicentre survey of intensivists' opinions of triage during the first wave of the COVID-19 pandemic. (external link)
• Christian Jung; Raphael Romano Bruno; Bernhard Wernly et al. (2020). Inhibitors of the Renin-Angiotensin-Aldosterone System and Covid-19 in critically ill elderly patients. (external link)
• Dylan W. de Lange; Sylvia Brinkman; Hans Flaatten et al. (2019). Cumulative prognostic score predicting mortality in patients older than 80 years admitted to the ICU. (external link)
• Raphael Romano Bruno; Bernhard Wernley; Johanna Hornemann et al. (2021). Early Evaluation of Organ Failure Using MELD-XI in Critically Ill Elderly COVID-19 Patients. (external link)
• Hans Flaatten (2020). Elderly Patients in the Intensive Care Unit. (external link)
• Elisabeth Sofie Birkeland; Guro Stokke; Randi Julie Tangvik et al. (2015). Norwegian PUQE (pregnancy-unique quantification of emesis and nausea) identifies patients with hyperemesis gravidarum and poor nutritional intake: A prospective cohort validation study. (external link)
• Miklos Lipcsey; Jyrki Tenhunen; Jan Sjölin et al. (2016). Abdominal Septic Shock – Endotoxin Adsorption Treatment (ASSET) – endotoxin removal in abdominal and urogenital septic shock with the Alteco® LPS Adsorber: study protocol for a double-blinded, randomized placebo-controlled trial. (external link)
• Jon Henrik Laake; Knut Dybwik; Hans Flaatten et al. (2010). Impact of the post-World War II generation on intensive care needs in Norway. (external link)
• Frode Lindemark; Øystein Ariansen Haaland; Reidar Kvåle et al. (2015). Age, risk, and life expectancy in Norwegian intensive care: a registry-based population modelling study.. (external link)
• Jakub Fronczek; Hans Kristian Flaatten; Bertrand Guidet et al. (2022). Short-term mortality of patients ≥80 years old admitted to European intensive care units: an international observational study. (external link)
• Sten Frøyshov; Dag Jacobsen; Lars Bjertnæs et al. (2004). Alvorlig sepsis behandlet med aktivert protein C. (external link)
• B Strandenes; Hans Flaatten; Bjarte Askeland (1994). Ekstern CPAP, et godt alternativ til konvensjonell respiratorbehandling?. (external link)
• Hans Flaatten (1994). Energiforbruk hos intensivpasienter. (external link)
• S Gjerde; Hans Flaatten (1994). Bruk av veksthormon ved kritisk katabolisme. (external link)
• Hans Flaatten (2021). Måling av skrøpelighet – når, hvorfor og hvordan?. (external link)
• Hans Flaatten (1994). Prioriteringer av kritisk syke intensivpasienter. (external link)
• Hans Flaatten (1994). Glutamintillegg ved korttids parenteral ernæring etter hemikolektomi. (external link)
• Chris F. Duncan; Dagan O. Lonsdale; Helen Farrah et al. (2024). 30-Day Mortality among Very Old Patients Admitted to European Intensive Care Units for Major Trauma. (external link)
• Hans Flaatten; Dylan W. de Lange; Antonio A. Artigas et al. (2017). The status of intensive care medicine research and a future agenda for very old patients in the ICU. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Sean M. Bagshaw et al. (2023). The Clinical Frailty Scale for mortality prediction of old acutely admitted intensive care patients: a meta-analysis of individual patient-level data. (external link)
• Hans Kristian Flaatten; Bertrand Guidet; Christian Jung et al. (2022). Consent is a confounding factor in a prospective observational study of critically ill elderly patients. (external link)
• Hans Flaatten (2011). International standards for programmes of training in intensive care medicine in Europe. (external link)
• Christian Jung; Bernhard Wernly; Jesper Fjølner et al. (2021). Steroid use in elderly critically ill COVID-19 patients. (external link)
• Finn Husøy Andersen; Hans Kristian Flaatten; Pål Klepstad et al. (2015). Long-term survival and quality of life after intensive care for patients 80 years of age or older. (external link)
• Bara Ricou; Ruth Piers; Hans Flaatten (2020). ‘Less is more’ in modern ICU: blessings and traps of treatment limitation. (external link)
• Miklos Lipcsey; Jyrki Tenhunen; Soeren Pischke et al. (2020). Endotoxin removal in septic shock with the Alteco LPS Adsorber was safe but showed no benefit compared to placebo in the double-blind randomized controlled trial - the Asset Study. (external link)
• Hans Flaatten; CM Berg; S Brekke et al. (1998). Effect of experimence with spinal anaesthesia on the development of post-dural puncture complications. (external link)
• Hans Flaatten (2018). Multisystem Organ Failure: Why doctors look at the wrong organs. (external link)
• Maite Garrouste-Orgeas; Hans Flaatten; Rui Moreno (2015). Understanding medical errors and adverse events in ICU patients. (external link)
• Hans Flaatten (2005). Effects of a major structural change to the intensive care unit on the quality and outcome after intensive care. (external link)
• J. Trovik; K. Haram; A. Berstad et al. (1996). Nasoenteral sondeernæring ved hyperemesis gravidarum. Et alternativ til parental ernæring. (external link)
• J. Trovik; K. Haram; A. Berstad et al. (1996). Nasoenteral sondeernæring ved hyperemesis gravidarum. Et alternativ til parental ernæring. (external link)
• Paul Abraham; Delphine S. Courvoisier; Cédric Annweiler et al. (2019). Validation of the clinical frailty score (CFS) in French language.. (external link)
• Ralf Erkens; Dragos Duse; Bernhard Wernly et al. (2023). Associations of anemia and blood transfusions with mortality in old, critically ill COVID-19 patients - Results from the prospective COVIP Study. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Antonio Artigas et al. (2025). Contemporary assessment of short- and functional 90-days outcome in old intensive care patients suffering from COVID-19. (external link)
• Hans Flaatten (1995). Avansert medisinsk behandling i hjemmet. (external link)
• Bertrand Guidet; Dylan W. de Lange; Steffen Christensen et al. (2018). Attitudes of physicians towards the care of critically ill elderly patients - a European survey. (external link)

Academic book chapter

• Hans Flaatten; I Grønlie; T Lund (1998). Væskesubstitusjon: Metabolske syre/base-forstyrrelser. (external link)
• Hans Flaatten; I Grønlie; T Lund (1998). Væskesubstitusjon: Blødning og tap av blodplasma. (external link)
• Hans Flaatten (2009). The importance of ICU culture. (external link)
• Hans Flaatten (2016). Diagnostic pathways. (external link)
• Hans Flaatten (2010). Evaluating and improving organizational outcome. (external link)
• Torben Wisborg; Hans Flaatten (2000). Pain-management in the pre-hospital EMS environment: on-site and transport. (external link)
• Hans Flaatten; I Grønlie; T Lund (1998). Væskesubstitusjon: Dehydrering, overhydrering. (external link)
• Hans Flaatten (2008). The role of tracheostomy in ventilatory care. (external link)
• Hans Flaatten; I Grønlie; T Lund (1998). Parenteral ernæring. (external link)
• Hans Flaatten (2010). Introduction. (external link)
• Hans Flaatten (2007). Long-term outcomes after intensive care. (external link)

Editorial/Leader article

• Bertrand Guidet; Hans Kristian Flaatten (2022). To live or let die? Limitation of life-sustaining treatment in the ICU: We need more knowledge. (external link)
• Andrew C. Argent; Julie Benbenishty; Hans Flaatten (2015). Chronotypes, night shifts and intensive care. (external link)
• Anette Robertson; Hans Kristian Flaatten (2021). Morbidity after severe Covid-19; the emperors ́ new clothes?. (external link)
• Peter V. Van Heerden; Michael Beil; Bertrand Guidet et al. (2021). A new multi-national network studying very old intensive care patients (vips). (external link)
• Hans Flaatten; Sandra Oeyen; Dylan W deLange (2018). Predicting outcomes in very old ICU patients: time to focus on the past?. (external link)
• Hans Flaatten (2013). ARDS - insights from Iceland and definitions from Berlin. (external link)
• Hans Kristian Flaatten; Christian Fynbo Christiansen (2019). The future of case mix and prognostic scores in ICU patients. (external link)
• Roberto Lorusso; Alain Cariou; Hans Flaatten (2018). The dilemma of patient age in decision-making for extracorporeal life support in cardiopulmonary resuscitation. (external link)
• Hans Flaatten (2007). Intensive care in the very old: are we prepared?. (external link)
• Hans Flaatten (2006). Prognostic scoring systems in the ICU. (external link)
• Hans Flaatten; Maité Garrouste-Orgeas (2015). The very old ICU patient: a never-ending story. (external link)
• Hans Flaatten (2017). The difficult art of diagnostic coding. (external link)
• Hans Kristian Flaatten; Michelle Chew; Sven Erik Gisvold (2022). Resilience in health care, important for anesthesia and intensive care. (external link)
• Hans Flaatten; Michael Darmon (2017). A nephrologist should be consulted in all cases of acute kidney injury in the ICU: yes. (external link)
• Jon Henrik Laake; Hans Flaatten (2010). Influenza and the anaesthesiologist. (external link)
• Hans Kristian Flaatten; Christian Jung (2021). Long-Term OutcomesAfter Critical CareAnother Brick in the Wall. (external link)
• Hans Flaatten; Andrew Clegg (2018). Frailty: we need valid and reliable tools in critical care. (external link)
• Dylan W. de Lange; Hans Flaatten (2017). Preventing persistent organ support in ICU patients. (external link)
• Hans Flaatten; Sten M Walther (2017). Activity- or severity-based scoring in the ICU?. (external link)
• Hans Flaatten (2007). The intensive care unit, any place with four walls?. (external link)
• Jean-Louis Vincent; Jukka Takala; Hans Flaatten (2012). Impact of reimbursement schemes on quality of care: a European perspective. (external link)
• Christian Fynbo Christiansen; Hans Flaatten (2018). Out-of-hours discharge from intensive care: certain about uncertainty. (external link)
• Hans Flaatten; M. Haney; Jan Wernerman (2013). The Scandinavian Critical Care Trials Group: producing important new findings in challenging times. (external link)
• Hans Kristian Flaatten; Michael Beil (2021). Frailty and its implication for anaesthesiologists. (external link)
• Hans Kristian Flaatten; Michael Beil (2023). Predicting ICU Outcomes: Beyond Severity Scores. (external link)
• Hans Flaatten; Matti Reinikainen (2015). Severity scoring, outcome prediction and mortality endpoints in intensive care. (external link)
• Hans Flaatten (2013). ARDS--insights from Iceland and definitions from Berlin. (external link)
• Hans Flaatten (2013). Leger med grenser. (external link)
• Hans Flaatten (2012). When will we ever learn?. (external link)
• Hans Flaatten (2014). The impact of age in intensive care. (external link)
• Hans Kristian Flaatten; Michael F. Haney (2020). Improving reporting of ICU outcome data. (external link)

Media feature article

• Gunnar Kvåle; Hans Flaatten; Mads Gilbert et al. (2020). Korona kan stoppes med enda strengere tiltak. (external link)
• Hans Flaatten; Stian Kreken Almeland; Kristian Strand (2020). Helseberedskap mellom to pandemier: alltid beredt?. (external link)
• Hans Flaatten (1993). Lederkommentar. (external link)
• P. Rosenberg; S. E. Gisvold; Hans Flaatten et al. (1992). Guidelines for anaesthesia care in the Nordic countries. (external link)
• Hans Flaatten (2012). Hvor mange pasienter "tar" vi livet av?. (external link)

Conference abstract

• Johan Torgersen; Hans Flaatten (2010). Incidence and consequences of cognitive impairments after critical illness. (external link)
• Johan Torgersen; Reidar Kvåle; Hans Flaatten (2009). Cognitive dysfunction after critical illness. (external link)
• Johan Torgersen; R Kvale; Hans Flaatten (2009). Cognitive dysfunction after Cardiac Arrest. (external link)
• Hans Flaatten (2009). Delirium in the ICU. (external link)
• Anne Veddeng; Thomas Husby; Ingeborg Bøe Engelsen et al. (2012). Impact of over-night shifts on cognitive functions and laparoscopic skills among Norwegian gynaecologists. (external link)
• Stephen J. M. Sollid; Conrad Bjørshol; Hans Flaatten et al. (2013). Small simulation based sessions versus plenary interactive sessions during a medical congress to highlight ethical challenges in intensive care. (external link)

Doctoral thesis (PhD)

• Siri Tandberg Knoop; Steinar Skrede; Hans Flaatten et al. (2018). The epidemiology and characteristics of sepsis in Norwegian hospitals. (external link)
• Atle Ulvik; Hans Flaatten (2008). Long-term outcomes after major trauma. (external link)
• Hans Flaatten (1998). Postural post-dural puncture headache. A randomised, double blind study. (external link)
• Reidar Kvåle; Hans Flaatten (2004). Long-term outcomes after intensive care. (external link)
• Johan Torgersen; Hans Flaatten; Reidar Kvåle (2011). Cognitive impairments after critical illness. (external link)
• Finn Husøy Andersen; Reidar Kvåle; Hans Flaatten et al. (2017). Intensive care for the very old : ICU admission triage and outcomes. (external link)
• Hans Flaatten; Kristian Strand (2011). Severity of illness and short-term outcomes in Scandinavian intensive care medicine. (external link)

Journal corrigendum

• Kristian Strand; Liv Inger Strand; Hans Flaatten (2010). Erratum to: The interrater reliability of SAPS II and SAPS 3. (external link)
• Bernhard Wernly; Raphael Romano Bruno; Malte Kelm et al. (2021). Publisher Correction: Sex-specific outcome disparities in very old patients admitted to intensive care medicine: a propensity matched analysis (Scientific Reports, (2020), 10, 1, (18671), 10.1038/s41598-020-74910-3). (external link)
• Bertrand Guidet; Hans Flaatten; Ariane Boumendil et al. (2018). Correction to: Withholding or withdrawing of life-sustaining therapy in older adults (≥ 80 years) admitted to the intensive care unit (Intensive Care Medicine, (2018), 44, 7, (1027-1038), 10.1007/s00134-018-5196-7). (external link)
• Bertrand Guidet; Christian Jung; Hans Kristian Flaatten et al. (2022). Correction to: Increased 30-day mortality in very old ICU patients with COVID-19 compared to patients with respiratory failure without COVID-19 (Intensive Care Medicine, (2022), 48, 4, (435-447), 10.1007/s00134-022-06642-z). (external link)

Professional article

• Bjørn Anders Kroken; Daniel Bergum; Kristin Sandal Berg et al. (2024). Frailty and health-related life quality in long-term follow up of intensive care patients above 65 years old: Protocol for a Norwegian prospective, observational multicenter study. (external link)
• Michael Beil; Hans Flaatten; Bertrand Guidet et al. (2021). The management of multi-morbidity in elderly patients: Ready yet for precision medicine in intensive care?. (external link)
• Bertrand Guidet; Dylan W. de Lange; Hans Flaatten (2018). Should this elderly patient be admitted to the ICU?. (external link)

Non-fiction monograph

• Hans Flaatten (1994). Innføring i klinisk ernæring. (external link)
• Hans Flaatten; Rui Moreno; Christian Putensen et al. (2010). Organisation and Management of Intensive Care. (external link)
• Hans Flaatten; G Riise (1995). Alkoholbruk og intensivmedisin. (external link)

Research report

• Hans Flaatten; Bjarte Askeland (1993). Hvordan ernærer vi våre intensivpasienter. (external link)
• Hans Flaatten; Sidsel Aardal (1993). Bruk av NO ved ARDS. (external link)
• Hans Flaatten; A. Digranes; CO Solberg (1995). Infeksjoner med koagulase-negative stafylokokker hos pasienter med intravasale fremmedlegemer. (external link)
• Hans Flaatten (1995). Prosedyre og metodebok. Intensiv-avsnittet. (external link)

Academic literature review

• Jeremy M. Jacobs; Ana Rahamim; Michael Beil et al. (2024). Critical care beyond organ support: the importance of geriatric rehabilitation. (external link)
• Bertrand Guidet; Helene Vallet; Jacques Boddaert et al. (2018). Caring for the critically ill patients over 80: a narrative review. (external link)
• Hans Flaatten; Matti Reinikainen (2015). Benchmarking: Lessons Learnt. (external link)
• Kristian Strand; Hans Flaatten (2008). Severity scoring in the ICU: a review. (external link)
• Hans Flaatten; Lene Schütt Rasmussen; Michael F. Haney (2016). Publication footprints and pitfalls of bibliometry. (external link)
• Hans Flaatten (2012). The present use of quality indicators in the intensive care unit. (external link)
• Bertrand Guidet; Hans Kristian Flaatten; Susannah Leaver (2021). Age is just a number: How should we triage old patients in the coronavirus disease 2019 pandemic?. (external link)
• Guttorm Brattebø; Hans Kristian Flaatten (2023). Errors in medicine: punishment versus learning medical adverse events revisited - expanding the frame. (external link)
• Céline Bianco; Bertrand Guidet; Hans Kristian Flaatten et al. (2023). Mortality in older patients admitted to an ICU for COVID-19: A systematic review. (external link)
• Helene Vallet; Gabriele Leonie Schwarz; Hans Flaatten et al. (2021). Mortality of older patients admitted to an ICU: A systematic review. (external link)
• Reidar Kvåle; Hans Flaatten (2010). Korleis går det med intensivpasientane?. (external link)
• Hélène Vallet; Bertrand Guidet; Ariane Boumendil et al. (2023). The impact of age-related syndromes on ICU process and outcomes in very old patients. (external link)
• Bertrand Guidet; Helene Vallet; Hans Kristian Flaatten et al. (2024). The trajectory of very old critically ill patients. (external link)
• Michael Beil; Rui Moreno; Jakub Fronczek et al. (2024). Prognosticating the outcome of intensive care in older patients—a narrative review. (external link)
• Francesca Rubulotta; Hans Flaatten; Maurizia Capuzzo (2008). Training for intensive care medicine in Europe: state of the art skills. (external link)
• Hans Flaatten (2010). Mental and physical disorders after ICU discharge. (external link)
• Hans Flaatten (2011). International expert statement on training standards for critical care ultrasonography. (external link)
• Hans Kristian Flaatten; Christian Jung; Helene Vallet et al. (2019). How Does Frailty Affect ICU Outcome?. (external link)

Lecture

• Marit Vassbotten Olsen; Tone Johnsgaard; Stian Kreken Almeland et al. (2021). Prosjekt MOBI - Opprettelsen av en mobil intensivenhet. (external link)
• J Trovik; Kjell Haram; Arnold Berstad et al. (1997). Nasojejunal tube feeding in hyperemesis gravidarum. (external link)

Conference lecture

• Anette Storesund; Arvid Steinar Haugen; Magnus Hjortås et al. (2017). Global Trigger Tool to identify adverse events from a randomized population of 12,966 surgical procedures. (external link)
• Anette Storesund; Arvid Steinar Haugen; Hans Kristian Flaatten et al. (2022). Reduksjon av komplikasjoner, reoperasjoner og reinnleggelser når pre- og postoperative sjekklister ble brukt i tillegg til Trygg kirurgi sjekkliste. (external link)
• Hans Flaatten; R Kvåle (1999). Ti års utvikling av intensivhandsaming ved Haukeland sjukehus. (external link)
• Anette Storesund; Arvid Steinar Haugen; Magnus Hjortås et al. (2017). Accuracy of ICD-10 complication codes after surgery. (external link)
• Hans Flaatten; R Kvåle (1999). Ten year development of intensive care in a Norwegian university hospital. (external link)

Letter to the editor

• Bernhard Wernly; Hans Kristian Flaatten; Susannah Leaver et al. (2023). Improving frailty assessment: the task is not finished. (external link)
• Jon Birger Haug; Dag Berild; Bjørn Blomberg et al. (2013). Aminoglykosider ved alvorlig sepsis. (external link)
• Bernhard Wernly; Hans Kristian Flaatten; Susannah Leaver et al. (2023). The clinical frailty scale, but not the FRAIL checklist is associated with mortality in old critically ill patients with COVID-19. (external link)
• Raphael Romano Bruno; Bertrand Guidet; Bernhard Wernly et al. (2020). Frailty assessment in very old intensive care patients: the Hospital Frailty Risk Score answers another question. (external link)
• Kirsten Vikesland Mæhle; Bjørn Haug; Hans Flaatten et al. (2014). Metabolic alkalosis is the most common acid-base disorder in ICU patients. (external link)
• Bernhard Wernly; Michael Beil; Bertrand Guidet et al. (2023). Odds ratios versus risk ratios in intensive care research: Using frailty in intensive care as a case study. (external link)
• Hans Kristian Flaatten; Dylan W deLange; Christian Jung et al. (2021). The impact of end‑of‑life care on ICU outcome. (external link)
• Georg Wolff; Bernhard Wernly; Hans Kristian Flaatten et al. (2023). In reply: Sex-specific outcomes in COVID-19: missing pieces of the puzzle. (external link)
• Raphael Romano Bruno; Bernhard Wernly; Bertrand Guidet et al. (2020). Comments to “Frailty is associated with hospital readmission in geriatric patients: a prognostic study”: Assessment of frailty in geriatric patients: let’s keep it simple. (external link)
• Steinar Skrede; Siri Nygård; Nina Langeland et al. (2013). Aminoglycosides can reduce the risk. (external link)
• Michael Beil; Peter V. Van Heerden; Sigal Sviri et al. (2021). Comment on: Rethinking ICU readmission and timelimited trial in the contingency capacity. (external link)
• Michael Beil; Bertrand Guidet; Hans Kristian Flaatten et al. (2022). Is It TIME for More Research on Time-Limited Trials in Critical Care?. (external link)
• Christian Jung; Hans Flaatten; Dylan de Lange et al. (2021). The relationship between treatment limitations and pressure on intensive care units in elderly patients. (external link)

Popular science article

• Hans Flaatten (1993). Pulsoksimetri i ambulansetjenesten/prehospitalt. (external link)
• Hans Flaatten; Steinar Skrede (2016). Nye internasjonale sepsisdefinisjoner vil påvirke hverdagen vår. (external link)
• A. Wisdal; Hans Flaatten (1993). Bruk av CPAP. (external link)

Conference poster

• Marit Vassbotten Olsen; Tone Johnsgaard; Stian Kreken Almeland et al. (2021). Prosjekt MOBI - Opprettelsen av en mobil intensivenhet. (external link)

Encyclopedia

• Hans Flaatten (2009). Prosedyre og metodebok Intensiv-avsnittet 2009. (external link)

Textbook

• Hans Flaatten (2009). Hva bør du som turnuslege vite om intensivmedisin? Et kompendium om akutt alvorlig svikt i vitale organer. (external link)

Book anthology

• Hans Flaatten; Andreas Valentin; Bertrand Guidet (2016). Quality Management in Intensive Care. (external link)

See a complete overview of publications in Cristin.