Abstracts for the 2019 Scandinavian Society of Anaesthesiology and Intensive Care Medicine Congre... more Abstracts for the 2019 Scandinavian Society of Anaesthesiology and Intensive Care Medicine Congress in Copenhagens for the 2019 Scandinavian Society of Anaesthesiology and Intensive Care Medicine Congress in Copenhagen ACTA COMPETITION (5 ABSTRACTS) ABSSUB125 | Does nonsedation affect quality of life following critical illness? Hanne T. Olsen1,2,*; Helene K. Nedergaard1,3; Hanne I. Jensen3,4; Thomas Strøm5; Palle Toft1,5 1Department of Clinical Research, University of Southern Denmark, Odense, 2Department of anesthesiology and intensive care, Odense University Hospital, Svendborg, 3Department of anesthesiology and intensive care, Lillebaelt Hospital, Kolding, Kolding, 4Department of Regional Health Research, University of Southern Denmark, 5Department of anesthesiology and intensive care, Odense University Hospital, Odense, Denmark Background: Critical illness can severely impair healthrelated quality of life (HRQL) for years following discharge. The NONSEDAtrial was a Scandinavian ...
AimThe primary aim was to investigate the association between alarm acceptance compared to no-acc... more AimThe primary aim was to investigate the association between alarm acceptance compared to no-acceptance by volunteer responders, bystander intervention, and survival in out-of-hospital cardiac arrest.Materials and methodsThis retrospective observational study included all suspected out-of-hospital cardiac arrests (OHCAs) with activation of volunteer responders in the Capital Region of Denmark (1 November 2018 to 14 May 2019), the Central Denmark Region (1 November 2018 to 31 December 2020), and the Northern Denmark Region (14 February 2020 to 31 December 2020). All OHCAs unwitnessed by Emergency Medical Services (EMS) were analyzed on the basis on alarm acceptance and arrival before EMS. The primary outcomes were bystander cardio-pulmonary resuscitation (CPR), bystander defibrillation and secondary outcome was 30-day survival. A questionnaire sent to all volunteer responders was used with respect to their arrival status.ResultsWe identified 1,877 OHCAs with volunteer responder acti...
ImportanceEarly warning scores (EWSs) are designed for in-hospital use but are widely used in the... more ImportanceEarly warning scores (EWSs) are designed for in-hospital use but are widely used in the prehospital field, especially in select groups of patients potentially at high risk. To be useful for paramedics in daily prehospital clinical practice, evaluations are needed of the predictive value of EWSs based on first measured vital signs on scene in large cohorts covering unselected patients using ambulance services.ObjectiveTo validate EWSs’ ability to predict mortality and intensive care unit (ICU) stay in an unselected cohort of adult patients who used ambulances.Design, Setting, and ParticipantsThis prognostic study conducted a validation based on a cohort of adult patients (aged ≥18 years) who used ambulances in the North Denmark Region from July 1, 2016, to December 31, 2020. EWSs (National Early Warning Score 2 [NEWS2], modified NEWS score without temperature [mNEWS], Quick Sepsis Related Organ Failure Assessment [qSOFA], Rapid Emergency Triage and Treatment System [RETTS],...
Background Emergency departments (EDs) experience an increasing number of patients. High patient ... more Background Emergency departments (EDs) experience an increasing number of patients. High patient flow are incentives for short duration of ED stay which may pose a challenge for patient diagnostics and care implying risk of ED revisits or increased mortality. Four hours are often used as a target time to decide whether to admit or discharge a patient. Objective To investigate and compare the diagnostic pattern, risk of revisits and short-term mortality for ED patients with a length of stay of less than 4 h (visits) with 4–24 h stay (short stay visits). Methods Population-based cohort study of patients contacting three EDs in the North Denmark Region during 2014–2016, excluding injured patients. Main diagnoses, number of revisits within 72 h of the initial contact and mortality were outcomes. Data on age, sex, mortality, time of admission and ICD-10 diagnostic chapter were obtained from the Danish Civil Registration System and the regional patient administrative system. Descriptive s...
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 2022
AimThis systematic review explored how non-medical factors influence the prehospital resuscitatio... more AimThis systematic review explored how non-medical factors influence the prehospital resuscitation providers’ decisions whether or not to resuscitate adult patients with cardiac arrest.MethodsWe conducted a mixed-methods systematic review with a narrative synthesis and searched for original quantitative, qualitative, and mixed-methods studies on non-medical factors influencing resuscitation of out-of-hospital cardiac arrest. Mixed-method reviews combine qualitative, quantitative, and mixed-method studies to answer complex multidisciplinary questions. Our inclusion criteria were peer-reviewed empirical-based studies concerning decision-making in prehospital resuscitation of adults > 18 years combined with non-medical factors. We excluded commentaries, case reports, editorials, and systematic reviews. After screening and full-text review, we undertook a sequential exploratory synthesis of the included studies, where qualitative data were synthesised first followed by a synthesis of...
Background Little is known about how COVID‐19 influenced engagement of citizen responders dispatc... more Background Little is known about how COVID‐19 influenced engagement of citizen responders dispatched to out‐of‐hospital cardiac arrest (OHCA) by a smartphone application. The objective was to describe and analyze the Danish Citizen Responder Program and bystander interventions (both citizen responders and nondispatched bystanders) during the first COVID‐19 lockdown in 2020. Methods and Results All OHCAs from January 1, 2020, to June 30, 2020, with citizen responder activation in 2 regions of Denmark were included. We compared citizen responder engagement for OHCA in the nonlockdown period (January 1, 2020, to March 10, 2020, and April 21, 2020, to June 30, 2020) with the lockdown period (March 11, 2020, to April 20, 2020). Data are displayed in the order lockdown versus nonlockdown period. Bystander cardiopulmonary resuscitation rates did not differ in the 2 periods (99% versus 92%; P =0.07). Bystander defibrillation (9% versus 14%; P =0.4) or return‐of‐spontaneous circulation (23% ...
BackgroundThe impact of a pandemic on unplanned hospital attendance has not been extensively exam... more BackgroundThe impact of a pandemic on unplanned hospital attendance has not been extensively examined. The aim of this study is to report the nationwide consequences of the COVID-19 pandemic on unplanned hospital attendances in Denmark for 7 weeks after a ‘shelter at home’ order was issued.MethodsWe merged data from national registries (Civil Registration System and Patient Registry) to conduct a study of unplanned (excluding outpatient visits and elective surgery) hospital-based healthcare and mortality of all Danes. Using data for 7 weeks after the ‘shelter at home’ order, the incidence rate of unplanned hospital attendances per week in 2020 was compared with corresponding weeks in 2017–2019. The main outcome was hospital attendances per week as incidence rate ratios. Secondary outcomes were general population mortality and risk of death in-hospital, reported as weekly mortality rate ratios (MRRs).ResultsFrom 2 438 286 attendances in the study period, overall unplanned attendances...
Abstracts for the 2019 Scandinavian Society of Anaesthesiology and Intensive Care Medicine Congre... more Abstracts for the 2019 Scandinavian Society of Anaesthesiology and Intensive Care Medicine Congress in Copenhagens for the 2019 Scandinavian Society of Anaesthesiology and Intensive Care Medicine Congress in Copenhagen ACTA COMPETITION (5 ABSTRACTS) ABSSUB125 | Does nonsedation affect quality of life following critical illness? Hanne T. Olsen1,2,*; Helene K. Nedergaard1,3; Hanne I. Jensen3,4; Thomas Strøm5; Palle Toft1,5 1Department of Clinical Research, University of Southern Denmark, Odense, 2Department of anesthesiology and intensive care, Odense University Hospital, Svendborg, 3Department of anesthesiology and intensive care, Lillebaelt Hospital, Kolding, Kolding, 4Department of Regional Health Research, University of Southern Denmark, 5Department of anesthesiology and intensive care, Odense University Hospital, Odense, Denmark Background: Critical illness can severely impair healthrelated quality of life (HRQL) for years following discharge. The NONSEDAtrial was a Scandinavian ...
AimThe primary aim was to investigate the association between alarm acceptance compared to no-acc... more AimThe primary aim was to investigate the association between alarm acceptance compared to no-acceptance by volunteer responders, bystander intervention, and survival in out-of-hospital cardiac arrest.Materials and methodsThis retrospective observational study included all suspected out-of-hospital cardiac arrests (OHCAs) with activation of volunteer responders in the Capital Region of Denmark (1 November 2018 to 14 May 2019), the Central Denmark Region (1 November 2018 to 31 December 2020), and the Northern Denmark Region (14 February 2020 to 31 December 2020). All OHCAs unwitnessed by Emergency Medical Services (EMS) were analyzed on the basis on alarm acceptance and arrival before EMS. The primary outcomes were bystander cardio-pulmonary resuscitation (CPR), bystander defibrillation and secondary outcome was 30-day survival. A questionnaire sent to all volunteer responders was used with respect to their arrival status.ResultsWe identified 1,877 OHCAs with volunteer responder acti...
ImportanceEarly warning scores (EWSs) are designed for in-hospital use but are widely used in the... more ImportanceEarly warning scores (EWSs) are designed for in-hospital use but are widely used in the prehospital field, especially in select groups of patients potentially at high risk. To be useful for paramedics in daily prehospital clinical practice, evaluations are needed of the predictive value of EWSs based on first measured vital signs on scene in large cohorts covering unselected patients using ambulance services.ObjectiveTo validate EWSs’ ability to predict mortality and intensive care unit (ICU) stay in an unselected cohort of adult patients who used ambulances.Design, Setting, and ParticipantsThis prognostic study conducted a validation based on a cohort of adult patients (aged ≥18 years) who used ambulances in the North Denmark Region from July 1, 2016, to December 31, 2020. EWSs (National Early Warning Score 2 [NEWS2], modified NEWS score without temperature [mNEWS], Quick Sepsis Related Organ Failure Assessment [qSOFA], Rapid Emergency Triage and Treatment System [RETTS],...
Background Emergency departments (EDs) experience an increasing number of patients. High patient ... more Background Emergency departments (EDs) experience an increasing number of patients. High patient flow are incentives for short duration of ED stay which may pose a challenge for patient diagnostics and care implying risk of ED revisits or increased mortality. Four hours are often used as a target time to decide whether to admit or discharge a patient. Objective To investigate and compare the diagnostic pattern, risk of revisits and short-term mortality for ED patients with a length of stay of less than 4 h (visits) with 4–24 h stay (short stay visits). Methods Population-based cohort study of patients contacting three EDs in the North Denmark Region during 2014–2016, excluding injured patients. Main diagnoses, number of revisits within 72 h of the initial contact and mortality were outcomes. Data on age, sex, mortality, time of admission and ICD-10 diagnostic chapter were obtained from the Danish Civil Registration System and the regional patient administrative system. Descriptive s...
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 2022
AimThis systematic review explored how non-medical factors influence the prehospital resuscitatio... more AimThis systematic review explored how non-medical factors influence the prehospital resuscitation providers’ decisions whether or not to resuscitate adult patients with cardiac arrest.MethodsWe conducted a mixed-methods systematic review with a narrative synthesis and searched for original quantitative, qualitative, and mixed-methods studies on non-medical factors influencing resuscitation of out-of-hospital cardiac arrest. Mixed-method reviews combine qualitative, quantitative, and mixed-method studies to answer complex multidisciplinary questions. Our inclusion criteria were peer-reviewed empirical-based studies concerning decision-making in prehospital resuscitation of adults > 18 years combined with non-medical factors. We excluded commentaries, case reports, editorials, and systematic reviews. After screening and full-text review, we undertook a sequential exploratory synthesis of the included studies, where qualitative data were synthesised first followed by a synthesis of...
Background Little is known about how COVID‐19 influenced engagement of citizen responders dispatc... more Background Little is known about how COVID‐19 influenced engagement of citizen responders dispatched to out‐of‐hospital cardiac arrest (OHCA) by a smartphone application. The objective was to describe and analyze the Danish Citizen Responder Program and bystander interventions (both citizen responders and nondispatched bystanders) during the first COVID‐19 lockdown in 2020. Methods and Results All OHCAs from January 1, 2020, to June 30, 2020, with citizen responder activation in 2 regions of Denmark were included. We compared citizen responder engagement for OHCA in the nonlockdown period (January 1, 2020, to March 10, 2020, and April 21, 2020, to June 30, 2020) with the lockdown period (March 11, 2020, to April 20, 2020). Data are displayed in the order lockdown versus nonlockdown period. Bystander cardiopulmonary resuscitation rates did not differ in the 2 periods (99% versus 92%; P =0.07). Bystander defibrillation (9% versus 14%; P =0.4) or return‐of‐spontaneous circulation (23% ...
BackgroundThe impact of a pandemic on unplanned hospital attendance has not been extensively exam... more BackgroundThe impact of a pandemic on unplanned hospital attendance has not been extensively examined. The aim of this study is to report the nationwide consequences of the COVID-19 pandemic on unplanned hospital attendances in Denmark for 7 weeks after a ‘shelter at home’ order was issued.MethodsWe merged data from national registries (Civil Registration System and Patient Registry) to conduct a study of unplanned (excluding outpatient visits and elective surgery) hospital-based healthcare and mortality of all Danes. Using data for 7 weeks after the ‘shelter at home’ order, the incidence rate of unplanned hospital attendances per week in 2020 was compared with corresponding weeks in 2017–2019. The main outcome was hospital attendances per week as incidence rate ratios. Secondary outcomes were general population mortality and risk of death in-hospital, reported as weekly mortality rate ratios (MRRs).ResultsFrom 2 438 286 attendances in the study period, overall unplanned attendances...
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Papers by Erika Christensen