1,002 results on '"Christensen, Helle"'
Search Results
102. Evaluation of a critical incident management system on mental health in lifeguard organisations:A retrospective study
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Breindahl, Niklas, Strange, Kirstine Friderichsen, Østergaard, Doris, Collatz Christensen, Helle, Breindahl, Niklas, Strange, Kirstine Friderichsen, Østergaard, Doris, and Collatz Christensen, Helle
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Background Lifeguards may face many life-threatening situations during their careers and may be at increased risk of post-traumatic stress disorder (PTSD). Minimal evidence concerning critical incident management systems in lifeguard organisations exists. Objectives To develop, implement and evaluate an operational system for critical incident management in lifeguard organisations. Methods This retrospective study included data on occupational injury reports from 2013 to 2022 in TrygFonden Surf Lifesaving Denmark. All active lifeguards were invited to evaluate the system and the individual steps using an online questionnaire with three questions rated on a 5-point Likert scale. Primary outcome was a change in the frequency of psychological injury reports after system implementation in 2020. The secondary outcome was the lifeguards' satisfaction with the system. Results After implementation, the average annual number of psychological injury reports increased 6.5-fold from 2 (2013-2019) to 13 (2020-2022), without changes to the number of critical incidents attended by the lifeguards. Sixty-six (33.8%) active lifeguards answered the questionnaire and agreed that follow-up after critical incidents was very important (mean score 4.7/5). Satisfaction with steps 1-2 and 3 of critical incident management among involved lifeguards was high (mean score 4.4/5 and 4.6/5, respectively). The system included an operational workflow diagram and incident report template presented in this study. Conclusions The operational system for critical incident management may improve early recognition of symptoms for the prevention of PTSD. It may be used as a screening and decision tool for referral to a mental health professional.
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- 2023
103. The Danish National Child Health Register
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Andersen,Mikkel Porsborg, Wiingreen,Rikke, Eroglu,Talip E, Christensen,Helle Collatz, Polcwiartek,Laura Bech, Blomberg,Stig, Kragholm,Kristian, Torp-Pedersen,Christian, Sørensen,Kathrine Kold, Andersen,Mikkel Porsborg, Wiingreen,Rikke, Eroglu,Talip E, Christensen,Helle Collatz, Polcwiartek,Laura Bech, Blomberg,Stig, Kragholm,Kristian, Torp-Pedersen,Christian, and Sørensen,Kathrine Kold
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Mikkel Porsborg Andersen,1,2 Rikke Wiingreen,3 Talip E Eroglu,4,5 Helle Collatz Christensen,6 Laura Bech Polcwiartek,7,8 Stig Nikolaj Fasmer Blomberg,6,9 Kristian Kragholm,10,11 Christian Torp-Pedersen,1,12 Kathrine Kold Sørensen1 1Department of Cardiology, Nordsjællands Hospital, Hillerød, Denmark; 2The Prehospital Center, Region Zealand, Denmark; 3Department of Pediatrics, Nordsjællands Hospital, Hillerød, Denmark; 4Department of Cardiology, Herlev-Gentofte Hospital, Copenhagen, Denmark; 5Department of Experimental and Clinical Cardiology, Heart Centre, Amsterdam Cardiovascular Sciences, Amsterdam UMC, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands; 6Copenhagen Emergency Medical Services, Copenhagen, Denmark; 7Department of Pediatrics, Randers Regional Hospital, Randers, Denmark; 8Department of Pediatrics, Aalborg University Hospital, Aalborg, Denmark; 9Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark; 10Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark; 11Unit of Clinical Biostatistics and Epidemiology, Aalborg University Hospital, Aalborg, Denmark; 12Department of Public Health, University of Copenhagen, Copenhagen, DenmarkCorrespondence: Mikkel Porsborg Andersen, Department of Cardiology, Nordsjællands Hospital, Dyrehavevej 29, Hillerød, 3400, Denmark, Tel +45 92 43 22 99, Email mikkel.porsborg.andersen@regionh.dkAim of the Database: The aim of the National Child Health Registry is to provide comprehensive insight into childrenâs health and growth on a national scale by continuously monitoring the health status of Danish children. Through this effort, the registry assists the health authorities in prioritizing preventive efforts to promote better child health outcomes.Study Population: The registry includes all Danish children, however, incomplete coverage persists.Main Variables: The National Child Health Registry contains informat
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- 2023
104. The Danish National Child Health Register
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Andersen, Mikkel Porsborg, Wiingreen, Rikke, Eroglu, Talip E., Christensen, Helle Collatz, Polcwiartek, Laura Bech, Blomberg, Stig Nikolaj Fasmer, Kragholm, Kristian, Torp-Pedersen, Christian, Sørensen, Kathrine Kold, Andersen, Mikkel Porsborg, Wiingreen, Rikke, Eroglu, Talip E., Christensen, Helle Collatz, Polcwiartek, Laura Bech, Blomberg, Stig Nikolaj Fasmer, Kragholm, Kristian, Torp-Pedersen, Christian, and Sørensen, Kathrine Kold
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Aim of the Database: The aim of the National Child Health Registry is to provide comprehensive insight into children’s health and growth on a national scale by continuously monitoring the health status of Danish children. Through this effort, the registry assists the health authorities in prioritizing preventive efforts to promote better child health outcomes. Study Population: The registry includes all Danish children, however, incomplete coverage persists. Main Variables: The National Child Health Registry contains information on exposure to secondhand smoking, breastfeeding duration, and anthropometric measurements through childhood. The information in the registry is divided into three datasets: Smoking, Breastfeeding, and Measurements. Beside specific information on the three topics, all datasets include information on CPR-number, date of birth, sex, municipality, and region of residence. Database Status: The National Child Health Registry was established in 2009 and contains health information on children from all Danish municipalities, collected through routinely performed health examinations conducted by general practitioners and health nurses. Conclusion: The National Child Health Register is an asset to epidemiological and health research with nationwide information on children’s health and growth in Denmark. Due to the unique Danish Civil Registration System, it is possible to link data from the National Child Health Register to information from several other national health and social registers which enables longitudinal unambiguous follow-up., Aim of the Database: The aim of the National Child Health Registry is to provide comprehensive insight into children’s health and growth on a national scale by continuously monitoring the health status of Danish children. Through this effort, the registry assists the health authorities in prioritizing preventive efforts to promote better child health outcomes. Study Population: The registry includes all Danish children, however, incomplete coverage persists. Main Variables: The National Child Health Registry contains information on exposure to secondhand smoking, breastfeeding duration, and anthropometric measurements through childhood. The information in the registry is divided into three datasets: Smoking, Breastfeeding, and Measurements. Beside specific information on the three topics, all datasets include information on CPR-number, date of birth, sex, municipality, and region of residence. Database Status: The National Child Health Registry was established in 2009 and contains health information on children from all Danish municipalities, collected through routinely performed health examinations conducted by general practitioners and health nurses. Conclusion: The National Child Health Register is an asset to epidemiological and health research with nationwide information on children’s health and growth in Denmark. Due to the unique Danish Civil Registration System, it is possible to link data from the National Child Health Register to information from several other national health and social registers which enables longitudinal unambiguous follow-up.
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- 2023
105. Danish Drowning Formula for identification of out-of-hospital cardiac arrest from drowning
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Breindahl, Niklas, Wolthers, Signe A., Jensen, Theo W., Holgersen, Mathias G., Blomberg, Stig N.F., Steinmetz, Jacob, Christensen, Helle C., Breindahl, Niklas, Wolthers, Signe A., Jensen, Theo W., Holgersen, Mathias G., Blomberg, Stig N.F., Steinmetz, Jacob, and Christensen, Helle C.
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Background Accurate, reliable, and sufficient data is required to reduce the burden of drowning by targeting preventive measures and improving treatment. Today's drowning statistics are informed by various methods sometimes based on data sources with questionable reliability. These methods are likely responsible for a systematic and significant underreporting of drowning. This study's aim was to assess the 30-day survival of patients with out-of-hospital cardiac arrest (OHCA) identified in the Danish Cardiac Arrest Registry (DCAR) after applying the Danish Drowning Formula. Methods This nationwide, cohort, registry-based study with 30-day follow-up used the Danish Drowning Formula to identify drowning-related OHCA with a resuscitation attempt from the DCAR from January 1st, 2016, through December 31st, 2021. The Danish Drowning Formula is a text-search algorithm constructed for this study based on trigger-words identified from the prehospital medical records of validated drowning cases. The primary outcome was 30-day survival from OHCA. Data were analyzed using multiple logistic regression. Results Drowning-related OHCA occurred in 374 (1%) patients registered in the DCAR compared to 29,882 patients with OHCA from other causes. Drowning-related OHCA more frequently occurred at a public location (87% vs 25%, p < 0.001) and were more frequently witnessed by bystanders (80% vs 55%, p < 0.001). Both 30-day and 1-year survival for patients with drowning-related OHCA were significantly higher compared to OHCA from other causes (33% vs 14% and 32% vs 13%, respectively, p < 0.001). The adjusted odds ratio for 30-day survival for drowning-related OHCA and other causes of OHCA was 2.3 [1.7–3.2], p < 0.001. Increased 30-day survival was observed for drowning-related OHCA occurring at swimming pools compared to public location OHCA from other causes with an OR of 11.6 [6.0–22.6], p < 0.001. Conclusions This study found h, Background: Accurate, reliable, and sufficient data is required to reduce the burden of drowning by targeting preventive measures and improving treatment. Today's drowning statistics are informed by various methods sometimes based on data sources with questionable reliability. These methods are likely responsible for a systematic and significant underreporting of drowning. This study's aim was to assess the 30-day survival of patients with out-of-hospital cardiac arrest (OHCA) identified in the Danish Cardiac Arrest Registry (DCAR) after applying the Danish Drowning Formula. Methods: This nationwide, cohort, registry-based study with 30-day follow-up used the Danish Drowning Formula to identify drowning-related OHCA with a resuscitation attempt from the DCAR from January 1st, 2016, through December 31st, 2021. The Danish Drowning Formula is a text-search algorithm constructed for this study based on trigger-words identified from the prehospital medical records of validated drowning cases. The primary outcome was 30-day survival from OHCA. Data were analyzed using multiple logistic regression. Results: Drowning-related OHCA occurred in 374 (1%) patients registered in the DCAR compared to 29,882 patients with OHCA from other causes. Drowning-related OHCA more frequently occurred at a public location (87% vs 25%, p < 0.001) and were more frequently witnessed by bystanders (80% vs 55%, p < 0.001). Both 30-day and 1-year survival for patients with drowning-related OHCA were significantly higher compared to OHCA from other causes (33% vs 14% and 32% vs 13%, respectively, p < 0.001). The adjusted odds ratio for 30-day survival for drowning-related OHCA and other causes of OHCA was 2.3 [1.7–3.2], p < 0.001. Increased 30-day survival was observed for drowning-related OHCA occurring at swimming pools compared to public location OHCA from other causes with an OR of 11.6 [6.0–22.6], p < 0.001. Conclusions: This study found higher 30-day survival among drowning
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- 2023
106. Recognition of visual symptoms in stroke:a challenge to patients, bystanders, and Emergency Medical Services
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Berg, Kristina Parsberg, Sørensen, Viktor Frederik Idin, Blomberg, Stig Nikolaj Fasmer, Christensen, Helle Collatz, Kruuse, Christina, Berg, Kristina Parsberg, Sørensen, Viktor Frederik Idin, Blomberg, Stig Nikolaj Fasmer, Christensen, Helle Collatz, and Kruuse, Christina
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Background: Identification of visual symptoms as a sign of acute stroke can be challenging for both first line healthcare professionals and lay persons. Failed recognition of visual symptoms by medical dispatchers at the Emergency Medical Dispatch Center (EMDC-112) or personnel at the Out-of-Hours Health Service (OOHS) may delay stroke revascularization. We aimed to identify correct system response to visual symptoms in emergency calls. Methods: Phone calls from patient or bystander to the EMDC-112 or OOHS, which included visual symptoms on patients later verified with stroke/Transient ischemic attack (TIA) diagnosis, were analyzed. Data were stratified according to hospitalization within and after 4.5 h from symptom onset. Descriptive and multiple logistic regression analysis were performed. Results: Of 517 calls identified, 290 calls fulfilled inclusion criteria. Only 30% of the patients received correct visitation by the medical dispatchers and referral to the hospital by a high-priority ambulance. Correct visitation was associated with early contact (adjusted OR: 2.37, 95% CI: 1.11, 5.03), contact to the EMDC-112 (adjusted OR: 3.18, 95% CI: 1.80, 5.62), and when the medical dispatcher asked additional questions on typical stroke symptoms (adjusted OR: 6.36, 95% CI: 3.01, 13.43). No specific visual symptom was associated with stroke recognition and fast hospitalization. Conclusions: First line healthcare professionals had significant problems in identifying visual symptoms as a sign of acute stroke and eliciting correct response. This highlights an urgent need to improve knowledge of visual symptoms in acute stroke and emphasize correct response to stroke symptoms in general.
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- 2023
107. Training in Basic Life Support and Bystander-Performed Cardiopulmonary Resuscitation and Survival in Out-of-Hospital Cardiac Arrests in Denmark, 2005 to 2019
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Jensen, Theo Walther, Ersbøll, Annette Kjær, Folke, Fredrik, Wolthers, Signe Amalie, Andersen, Mikkel Porsborg, Blomberg, Stig Nikolaj, Andersen, Lars Bredevang, Lippert, Freddy, Torp-Pedersen, Christian, Christensen, Helle Collatz, Jensen, Theo Walther, Ersbøll, Annette Kjær, Folke, Fredrik, Wolthers, Signe Amalie, Andersen, Mikkel Porsborg, Blomberg, Stig Nikolaj, Andersen, Lars Bredevang, Lippert, Freddy, Torp-Pedersen, Christian, and Christensen, Helle Collatz
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Importance: Strategies to improve survival from out-of-hospital cardiac arrest (OHCA) include mass education of laypersons with no official duty to respond to OHCA. In Denmark, basic life support (BLS) course attendance has been mandated by law in October 2006 for obtaining a driver's license for all vehicles and in vocational education programs. Objectives: To examine the association between yearly BLS course participation rate and bystander cardiopulmonary resuscitation (CPR) and 30-day survival from OHCA and to examine if bystander CPR rate acted as a mediator on the association between mass education of laypersons in BLS and survival from OHCA. Design, Setting, and Participants: This cohort study included outcomes for all OHCA incidents from the Danish Cardiac Arrest Register between 2005 and 2019. Data concerning BLS course participation were supplied by the major Danish BLS course providers. Main Outcomes and Measures: The main outcome was 30-day survival of patients who experienced OHCA. Logistic regression analysis was used to examine the association between BLS training rate, bystander CPR rate, and survival, and a bayesian mediation analysis was conducted to examine mediation. Results: A total of 51057 OHCA incidents and 2717933 course certificates were included. The study showed that the annual 30-day survival from OHCA increased by 14% (odds ratio [OR], 1.14; 95% CI, 1.10-1.18; P <.001) when BLS course participation rate increased by 5% in analysis adjusted for initial rhythm, automatic external defibrillator use, and mean age. An average mediated proportion of 0.39 (95% QBCI, 0.049-0.818; P =.01). In other words, the last result indicated that 39% of the association between mass educating laypersons in BLS and survival was mediated through an increased bystander CPR rate. Conclusions and Relevance: In this cohort study of Danish BLS course participation and survival, a positive association was found between annual rate of mass education in BLS and
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- 2023
108. Ethical considerations in the prehospital treatment of out-of-hospital cardiac arrest:A multi-centre, qualitative study
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Milling, Louise, Nielsen, Dorthe Susanne, Kjær, Jeannett, Binderup, Lars Grassmé, de Muckadell, Caroline Schaffalitzky, Christensen, Helle Collatz, Christensen, Erika Frischknect, Lassen, Annmarie Touborg, Mikkelsen, Søren, Milling, Louise, Nielsen, Dorthe Susanne, Kjær, Jeannett, Binderup, Lars Grassmé, de Muckadell, Caroline Schaffalitzky, Christensen, Helle Collatz, Christensen, Erika Frischknect, Lassen, Annmarie Touborg, and Mikkelsen, Søren
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Background Prehospital emergency physicians have to navigate complex decision-making in out-of-hospital cardiac arrest (OHCA) treatment that includes ethical considerations. This study explores Danish prehospital physicians’ experiences of ethical issues influencing their decision-making during OHCA. Methods We conducted a multisite ethnographic study. Through convenience sampling, we included 17 individual interviews with prehospital physicians and performed 22 structured observations on the actions of the prehospital personnel during OHCAs. We collected data during more than 800 observation hours in the Danish prehospital setting between December 2019 and April 2022. Data were analysed with thematic analysis. Results All physicians experienced ethical considerations that influenced their decision-making in a complex interrelated process. We identified three overarching themes in the ethical considerations: Expectations towards patient prognosis and expectations from relatives, bystanders, and colleagues involved in the cardiac arrest; the values and beliefs of the physician and values and beliefs of others involved in the cardiac arrest treatment; and dilemmas encountered in decision-making such as conflicting values. Conclusion This extensive qualitative study provides an in-depth look at aspects of ethical considerations in decision-making in prehospital resuscitation and found aspects of ethical decision-making that could be harmful to both physicians and patients, such as difficulties in handling advance directives and potential unequal outcomes of the decision-making. The results call for multifaceted interventions on a wider societal level with a focus on advance care planning, education of patients and relatives, and interventions towards prehospital clinicians for a better understanding and awareness of ethical aspects of decision-making.
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- 2023
109. Geographical Association Between Basic Life Support Courses and Bystander Cardiopulmonary Resuscitation and Survival from OHCA in Denmark
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Jensen, Theo Walther, Ersbøll, Annette Kjær, Folke, Fredrik, Andersen, Mikkel Porsborg, Blomberg, Stig Nikolaj, Holgersen, Mathias Geldermann, Andersen, Lars Bredevang, Lippert, Freddy, Torp-Pedersen, Christian, Christensen, Helle Collatz, Jensen, Theo Walther, Ersbøll, Annette Kjær, Folke, Fredrik, Andersen, Mikkel Porsborg, Blomberg, Stig Nikolaj, Holgersen, Mathias Geldermann, Andersen, Lars Bredevang, Lippert, Freddy, Torp-Pedersen, Christian, and Christensen, Helle Collatz
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Introduction: Annually, approximately 4% of the entire adult population of Denmark participate in certified basic life support (BLS) courses. It is still unknown whether increases in BLS course participation in a geographical area increase bystander cardiopulmonary resuscitation (CPR) or survival from out-of-hospital cardiac arrest (OHCA). The aim of the study was to examine the geographical association between BLS course participation, bystander CPR, and 30-day survival from OHCA. Methods: This nationwide register-based cohort study includes all OHCAs from the Danish Cardiac Arrest Register. Data concerning BLS course participation were supplied by the major Danish BLS course providers. A total of 704,234 individuals with BLS course certificates and 15,097 OHCA were included from the period 2016–2019. Associations were examined using logistic regression and Bayesian conditional autoregressive analyses conducted at municipality level. Results: A 5% increase in BLS course certificates at municipality level was significantly associated with an increased likelihood of bystander CPR prior to ambulance arrival with an adjusted odds ratio (OR) of 1.34 (credible intervals: 1.02;1.76). The same trends were observed for OHCAs in out-of-office hours (4pm-08am) with a significant OR of 1.43 (credible intervals: 1.09;1.89). Local clusters with low rate of BLS course participation and bystander CPR were identified. Conclusion: This study found a positive effect of mass education in BLS on bystander CPR rates. Even a 5% increase in BLS course participation at municipal level significantly increased the likelihood of bystander CPR. The effect was even more profound in out-of-office hours with an increase in bystander CPR rate at OHCA.
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- 2023
110. Kunstig intelligens kommer ikke nødvendigvis patienter til gode
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Holm, Sune, Blomberg, Stig Nikolaj, Christensen, Helle Collatz, Duedder, Boris, Holm, Sune, Blomberg, Stig Nikolaj, Christensen, Helle Collatz, and Duedder, Boris
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- 2023
111. All-cause mortality among Danish nursing home residents before and during the COVID-19 pandemic:a nationwide cohort study
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Andersen, Mikkel Porsborg, Mills, Elisabeth Helen Anna, Meddis, Alessandra, Sørensen, Kathrine Kold, Butt, Jawad Haider, Køber, Lars, Poulsen, Henrik Enghusen, Phelps, Matthew, Gislason, Gunnar, Christensen, Helle Collatz, Schou, Morten, Fosbøl, Emil L., Gerds, Thomas Alexander, Kragholm, Kristian, Torp-Pedersen, Christian, Andersen, Mikkel Porsborg, Mills, Elisabeth Helen Anna, Meddis, Alessandra, Sørensen, Kathrine Kold, Butt, Jawad Haider, Køber, Lars, Poulsen, Henrik Enghusen, Phelps, Matthew, Gislason, Gunnar, Christensen, Helle Collatz, Schou, Morten, Fosbøl, Emil L., Gerds, Thomas Alexander, Kragholm, Kristian, and Torp-Pedersen, Christian
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A substantial part of mortality during the COVID-19-pandemic occurred among nursing home residents which caused alarm in many countries. We investigate nursing home mortality in relation to the expected mortality prior to the pandemic. This nationwide register-based study included all 135,501 Danish nursing home residents between 2015 until October 6, 2021. All-cause mortality rates were calculated using a standardization method on sex and age distribution of 2020. Survival probability and lifetime lost for 180 days was calculated using Kaplan Meier estimates. Of 3,587 COVID-19 related deaths, 1137 (32%) occurred among nursing home residents. The yearly all-cause mortality rates per 100,000 person-years in 2015, 2016, and 2017 were 35,301 (95% CI: 34,671–35,943), 34,801 (95% CI: 34,180–35,432), and 35,708 (95% CI: 35,085–36,343), respectively. Slightly elevated mortality rates per 100,000 person-years were seen in 2018, 2019, 2020, and 2021 of 38,268 (95% CI: 37,620–38,929), 36,956 (95% CI: 36,323–37,600), 37,475 (95% CI: 36,838–38,122), and 38,536 (95% CI: 37,798–39,287), respectively. For SARS-CoV-2-infected nursing home residents, lifetime lost difference was 42 days (95% CI: 38–46) in 2020 versus non-infected in 2018. Among vaccinated in 2021, lifetime lost difference was 25 days (95% CI: 18–32) for SARS-CoV-2-infected versus non-infected. Even though a high proportion of COVID-19 fatalities took place in nursing homes and SARS-CoV-2-infection increased the risk of individual death, the annual mortality was only slightly elevated. For future epidemics or pandemics reporting numbers of fatal cases in relation to expected mortality is critical., A substantial part of mortality during the COVID-19-pandemic occurred among nursing home residents which caused alarm in many countries. We investigate nursing home mortality in relation to the expected mortality prior to the pandemic. This nationwide register-based study included all 135,501 Danish nursing home residents between 2015 until October 6, 2021. All-cause mortality rates were calculated using a standardization method on sex and age distribution of 2020. Survival probability and lifetime lost for 180 days was calculated using Kaplan Meier estimates. Of 3,587 COVID-19 related deaths, 1137 (32%) occurred among nursing home residents. The yearly all-cause mortality rates per 100,000 person-years in 2015, 2016, and 2017 were 35,301 (95% CI: 34,671–35,943), 34,801 (95% CI: 34,180–35,432), and 35,708 (95% CI: 35,085–36,343), respectively. Slightly elevated mortality rates per 100,000 person-years were seen in 2018, 2019, 2020, and 2021 of 38,268 (95% CI: 37,620–38,929), 36,956 (95% CI: 36,323–37,600), 37,475 (95% CI: 36,838–38,122), and 38,536 (95% CI: 37,798–39,287), respectively. For SARS-CoV-2-infected nursing home residents, lifetime lost difference was 42 days (95% CI: 38–46) in 2020 versus non-infected in 2018. Among vaccinated in 2021, lifetime lost difference was 25 days (95% CI: 18–32) for SARS-CoV-2-infected versus non-infected. Even though a high proportion of COVID-19 fatalities took place in nursing homes and SARS-CoV-2-infection increased the risk of individual death, the annual mortality was only slightly elevated. For future epidemics or pandemics reporting numbers of fatal cases in relation to expected mortality is critical.
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- 2023
112. 'I just haven't experienced anything like this before':A qualitative exploration of callers' interpretation of experienced conditions in telephone consultations preceding a myocardial infarction
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Jensen, Britta, Vardinghus-Nielsen, Henrik, Mills, Elisabeth Helen Anna, Møller, Amalie Lykkemark, Gnesin, Filip, Zylyftari, Nertila, Kragholm, Kristian, Folke, Fredrik, Christensen, Helle Collatz, Blomberg, Stig Nikolaj, Torp-Pedersen, Christian, Bøggild, Henrik, Jensen, Britta, Vardinghus-Nielsen, Henrik, Mills, Elisabeth Helen Anna, Møller, Amalie Lykkemark, Gnesin, Filip, Zylyftari, Nertila, Kragholm, Kristian, Folke, Fredrik, Christensen, Helle Collatz, Blomberg, Stig Nikolaj, Torp-Pedersen, Christian, and Bøggild, Henrik
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Objectives Callers with myocardial infarction presenting atypical symptoms in telephone consultations when calling out-of-hours medical services risk misrecognition. We investigated characteristics in callers’ interpretation of experienced conditions through communication with call-takers. Methods Recording of calls resulting in not having an ambulance dispatched for 21 callers who contacted a non-emergency medical helpline, Copenhagen (Denmark), up to one week before they were diagnosed with myocardial infarction. Qualitative content analysis was applied. Results Awareness of illness, remedial actions and previous experiences contributed to callers’ interpretation of the experienced condition. Unclear symptoms resulted in callers reacting to their interpretation by being unsure and worried. Negotiation of the interpretation was seen when callers tested the call-taker’s interpretation of the condition and when either caller or call-taker suggested: “wait and see”. Conclusion Callers sought to interpret the experienced conditions but faced challenges when the conditions appeared unclear and did not correspond to the health system’s understanding of symptoms associated with myocardial infarction. It affected the communicative interaction with the call-taker and influenced the call-taker’s choice of response., OBJECTIVES: Callers with myocardial infarction presenting atypical symptoms in telephone consultations when calling out-of-hours medical services risk misrecognition. We investigated characteristics in callers' interpretation of experienced conditions through communication with call-takers. METHODS: Recording of calls resulting in not having an ambulance dispatched for 21 callers who contacted a non-emergency medical helpline, Copenhagen (Denmark), up to one week before they were diagnosed with myocardial infarction. Qualitative content analysis was applied. RESULTS: Awareness of illness, remedial actions and previous experiences contributed to callers' interpretation of the experienced condition. Unclear symptoms resulted in callers reacting to their interpretation by being unsure and worried. Negotiation of the interpretation was seen when callers tested the call-taker's interpretation of the condition and when either caller or call-taker suggested: "wait and see". CONCLUSION: Callers sought to interpret the experienced conditions but faced challenges when the conditions appeared unclear and did not correspond to the health system's understanding of symptoms associated with myocardial infarction. It affected the communicative interaction with the call-taker and influenced the call-taker's choice of response. PRACTICE IMPLICATIONS: Call-takers, as part of the decision-making process, could ask further questions about the caller's insecurity and worry. It might facilitate faster recognition of conditions warranting hospital referral.
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- 2023
113. Workshop on accounting for fishers and other stakeholders’ perceptions of the dynamics of fish stocks in ICES advice (WKAFPA)
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Angus, Chevonne, Balestri, Elena, Ballesteros, Marta, Bloecker, Alexandra, Cadrin, Steve, Christensen, Helle, Curtis, David, Dandy, Rufus, Evans, Derek, Farrell, Edward, Gamaza, Maria, Gollock, Matthew, Haase, Stefanie, Jones, Andrew, Korsbrekke, Knut, Libungan, Lisa Anne, Luedemann, Karin, Macdonald, Paul, Mercer, Anna, Murphy, Patrick, Napier, Ian, Pastoors, Martin, Peixoto, Ualerson, Rasmussen, Jens, Reedtz Sparrevohn, Claus, Julie Roux, Marie-Julie, Rudd, Hannah, Schwermer, Heike, Seixas, Sonia, Steins, Nathalie, Tenbrink, Talya, Torreele, Els, Valeiras, Julio, Vallerani, Matilde, Wood, Peter, Angus, Chevonne, Balestri, Elena, Ballesteros, Marta, Bloecker, Alexandra, Cadrin, Steve, Christensen, Helle, Curtis, David, Dandy, Rufus, Evans, Derek, Farrell, Edward, Gamaza, Maria, Gollock, Matthew, Haase, Stefanie, Jones, Andrew, Korsbrekke, Knut, Libungan, Lisa Anne, Luedemann, Karin, Macdonald, Paul, Mercer, Anna, Murphy, Patrick, Napier, Ian, Pastoors, Martin, Peixoto, Ualerson, Rasmussen, Jens, Reedtz Sparrevohn, Claus, Julie Roux, Marie-Julie, Rudd, Hannah, Schwermer, Heike, Seixas, Sonia, Steins, Nathalie, Tenbrink, Talya, Torreele, Els, Valeiras, Julio, Vallerani, Matilde, and Wood, Peter
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The objective of the Workshop on accounting for fishers and other stakeholders’ perceptions of the dynamics of fish stocks in ICES advice (WKAFPA) was to identify where and how stakeholder information could be incorporated in the ICES fisheries advice process. It adopted an operational definition of the concept of perception, where perceptions result from observations, interpreted in light of experience, that can be supported by data, information and knowledge to generate evidence about them. Stakeholder information can be either structured (e.g. routinely collected information in a standardized format) or unstructured (e.g. experiential information) and either of those can inform decisions made during the production of ICES advice. Most notably, the group identified there was a need to engage with stakeholders earlier in the process, i.e. before benchmarks meetings take place and before preliminary assessment results are used as the basis to predict total allowable catches for upcoming advice (Figure 4.2). It was therefore recommended to include in the ICES process the organisation of pre-benchmark/roadmap workshops where science and data needs of upcoming benchmarks can be identified, followed by making arrangements how scientists and stakeholders can collaborate to access, prepare for use (where relevant) and document the structured and unstructured information well ahead of the benchmark meetings. It was also recommended to organise ‘sense-checking’ sessions with stakeholders when preliminary assessments are available but not yet used as the basis for advisory production. This would allow stakeholders and assessment scientists to verify available knowledge and data against stock perceptions and provide additional considerations relevant for the production of TAC advice. Next to these two additional activities, it is recommended that communication on differences in stakeholder perception or data derived perceptions are communicated within the ICES assessment repo
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- 2023
114. Workshop on accounting for fishers and other stakeholders’ perceptions of the dynamics of fish stocks in ICES advice (WKAFPA).
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Hintzen, N.T., Mackinson, Steven, Angus, Chevonne, Balestri, Elena, Ballesteros, Marta, Bloecker, Alexandra, Cadrin, Steve, Christensen, Helle T., Curtis, David, Dandy, Rufus, Evans, Derek, Farrell, Edward D., Gamaza, Maria, Gollock, Matthew, Haase, Stefanie, Jones, Andrew, Korsbrekke, K., Libungan, Lise Anne, Luedemann, Karina, Macdonald, P., Mercer, Anna, Murphy, P., Napier, Ian, Pastoors, M.A., Peixoto, Ualerson, Rasmussen, Jens, Sparrevohn, C.R., Roux, Marie-Julie, Rudd, Hannah, Schwermer, H., Seixas, Sonia, Steins, N.A., Tenbrink, Talya, Torreele, Els, Valeiras, Julio, Vallerani, Matilde, Wood, P., Hintzen, N.T., Mackinson, Steven, Angus, Chevonne, Balestri, Elena, Ballesteros, Marta, Bloecker, Alexandra, Cadrin, Steve, Christensen, Helle T., Curtis, David, Dandy, Rufus, Evans, Derek, Farrell, Edward D., Gamaza, Maria, Gollock, Matthew, Haase, Stefanie, Jones, Andrew, Korsbrekke, K., Libungan, Lise Anne, Luedemann, Karina, Macdonald, P., Mercer, Anna, Murphy, P., Napier, Ian, Pastoors, M.A., Peixoto, Ualerson, Rasmussen, Jens, Sparrevohn, C.R., Roux, Marie-Julie, Rudd, Hannah, Schwermer, H., Seixas, Sonia, Steins, N.A., Tenbrink, Talya, Torreele, Els, Valeiras, Julio, Vallerani, Matilde, and Wood, P.
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The objective of the Workshop on accounting for fishers and other stakeholders’ perceptions of the dynamics of fish stocks in ICES advice (WKAFPA) was to identify where and how stakeholder information could be incorporated in the ICES fisheries advice process. It adopted an operational definition of the concept of perception, where perceptions result from observations, interpreted in light of experience, that can be supported by data, information and knowledge to generate evidence about them. Stakeholder information can be either structured (e.g. routinely collected information in a standardized format) or unstructured (e.g. experiential information) and either of those can inform decisions made during the production of ICES advice.Most notably, the group identified there was a need to engage with stakeholders earlier in the process, i.e. before benchmarks meetings take place and before preliminary assessment results are used as the basis to predict total allowable catches for upcoming advice (Figure 4.2). It was therefore recommended to include in the ICES process the organisation of pre-benchmark/roadmap workshops where science and data needs of upcoming benchmarks can be identified, followed by making arrangements how scientists and stakeholders can collaborate to access, prepare for use (where relevant) and document the structured and unstructured information well ahead of the benchmark meetings.It was also recommended to organise ‘sense-checking’ sessions with stakeholders when preliminary assessments are available but not yet used as the basis for advisory production. This would allow stakeholders and assessment scientists to verify available knowledge and data against stock perceptions and provide additional considerations relevant for the production of TAC advice. Next to these two additional activities, it is recommended that communication on differences in stakeholder perception or data derived perceptions are communicated within the ICES assessment report
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- 2023
115. Dispatcher Stroke/TIA Recognition in Emergency Medical Call Center and Out-of-Hours Service Calls in Copenhagen, Denmark
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Wenstrup, Jonathan, Blomberg, Stig N., Christensen, Hanne, Folke, Fredrik, Christensen, Helle C., Kruuse, Christina, Wenstrup, Jonathan, Blomberg, Stig N., Christensen, Hanne, Folke, Fredrik, Christensen, Helle C., and Kruuse, Christina
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BACKGROUND AND OBJECTIVES: Recognition of stroke/TIA symptoms by emergency medical services (EMS) is instrumental in providing timely recanalization treatments. We assessed the recognition of stroke/TIA by EMS via the emergency medical call center (EMCC) dispatchers and out-of-hours health service (OOHS) dispatchers.METHODS: In a registry study, based on 2015-2020 data from the Copenhagen EMS, we calculated sensitivity, positive predictive value (PPV), specificity, and negative predictive value (NPV) of dispatcher suspicion of stroke or transient ischemic attack (TIA) and compared against discharge diagnosis.RESULTS: We included 462,029 contacts to EMCC and 2,573,865 contacts to OOHS. In total, 19,798 contacts had a stroke or TIA diagnosis at hospital discharge. Sensitivity was 0.64 for EMCC dispatchers and 0.25 for OOHS. PPV was 0.28 for EMCC and 0.22 for OOHS; specificity was 0.96 for EMCC and >0.99 for OOHS, and NPV was 0.99 for EMCC and >0.99 for OOHS. Sensitivity improved over the period of the study from 0.62 to 0.68 for EMCC and from 0.20 to 0.25 for OOHS. PPV did not change over the period for EMCC and decreased from 0.26 to 0.19 for OOHS. Both EMCC and OOHS more frequently overlooked stroke in women, in patients calling more than 3 hours after symptom onset, and for more severe strokes. For OHHS, advanced age correlated with lower recognition.DISCUSSION: As the first study reporting on OOHS setting dispatcher stroke/TIA recognition, we find a need for the improvement of stroke/TIA recognition both in EMCC and in OOHS. Solutions may include specific training of dispatchers, public awareness campaigns, and new technological solutions.
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- 2023
116. Association between using a prehospital assessment unit and hospital admission and mortality:a matched cohort study
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Wolthers, Signe Amalie, Blomberg, Stig Nikolaj Fasmer, Breindahl, Niklas, Anjum, Sair, Hägi-Pedersen, Daniel, Ersbøll, Annette, Andersen, Lars Bredevang, Christensen, Helle Collatz, Wolthers, Signe Amalie, Blomberg, Stig Nikolaj Fasmer, Breindahl, Niklas, Anjum, Sair, Hägi-Pedersen, Daniel, Ersbøll, Annette, Andersen, Lars Bredevang, and Christensen, Helle Collatz
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OBJECTIVES: This study aimed to compare hospital admission and 30-day mortality between patients assessed by the prehospital assessment unit (PAU) and patients not assessed by the PAU.DESIGN: This was a matched cohort study.SETTING: This study was conducted between November 2021 and October 2022 in Region Zealand, Denmark.PARTICIPANTS: 989 patients aged >18, assessed by the PAU, were identified, and 9860 patients not assessed by the PAU were selected from the emergency calls using exposure density sampling.EXPOSURE: Patients assessed by the PAU. The PAU is operated by paramedics with access to point-of-care test facilities. The PAU is an alternative response vehicle without the capability of transporting patients.PRIMARY AND SECONDARY OUTCOME MEASURES: The primary outcome was hospital admission within 48 hours after the initial call. The key secondary outcomes were admission within 7 days, 30-day mortality and admission within 6 hours. Descriptive statistical analyses were conducted, and logistic regression models were used to estimate adjusted OR (aOR) and 95% CI.RESULTS: Among the PAU assessed, 44.1% were admitted within 48 hours, compared with 72.9% of the non-PAU assessed, p<0.001. The multivariable analysis showed a lower risk of admission within 48 hours and 7 days among the PAU patients, aOR 0.31 (95% CI 0.26 to 0.38) and aOR 0.50 (95% CI 0.38 to 0.64), respectively. The 30-day mortality rate was 3.8% in the PAU-assessed patients vs 5.5% in the non-PAU-assessed patients, p=0.03. In the multivariable analysis, no significant difference was found in mortality aOR 0.99 (95% CI 0.71 to 1.42). No deaths were observed in PAU-assessed patients without subsequent follow-up.CONCLUSION: The recently introduced PAU aims for patient-centred emergency care. The PAU-assessed patients had reduced admissions within 48 hours and 7 days after the initial call. Study findings indicate that the PAU is safe since we identi
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- 2023
117. Long-Term Quality of Life After Out-of-Hospital Cardiac Arrest
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Yonis, Harman, Sørensen, Kathrine Kold, Bøggild, Henrik, Ringgren, Kristian Bundgaard, Malta Hansen, Carolina, Granger, Christopher B, Folke, Fredrik, Christensen, Helle Collatz, Jensen, Britta, Andersen, Mikkel Porsborg, Joshi, Vicky L, Zwisler, Ann-Dorthe, Torp-Pedersen, Christian, Kragholm, Kristian, Yonis, Harman, Sørensen, Kathrine Kold, Bøggild, Henrik, Ringgren, Kristian Bundgaard, Malta Hansen, Carolina, Granger, Christopher B, Folke, Fredrik, Christensen, Helle Collatz, Jensen, Britta, Andersen, Mikkel Porsborg, Joshi, Vicky L, Zwisler, Ann-Dorthe, Torp-Pedersen, Christian, and Kragholm, Kristian
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Importance Allocating resources to increase survival after cardiac arrest requires survivors to have a good quality of life, but long-term data are lacking. Objective To determine the quality of life of survivors of out-of-hospital cardiac arrest from 2001 to 2019. Design, Setting, and Participants This survey study used the EuroQol Health Questionnaire, 12-Item Short Form Health Survey (SF-12), and Hospital Anxiety and Depression Scale (HADS) to assess the health-related quality of life of all adult survivors of out-of-hospital cardiac arrest included in the Danish Cardiac Arrest Registry between June 1, 2001, and August 31, 2019, who were alive in October 2020 (follow-up periods, 0-1, >1-2, >2-4, >4-6, >6-8, >8-10, >10-15, and >15-20 years since arrest). The survey was conducted from October 1, 2020, through May 31, 2021. Exposure All patients who experienced an out-of-hospital cardiac arrest. Main Outcome and Measures Self-reported health was measured using the EuroQol Health Questionnaire index (EQ index) score and EQ visual analog scale. Physical and mental health were measured using the SF-12, and anxiety and depression were measured using the HADS. Descriptive statistics were used for the analysis. Results Of 4545 survivors, 2552 (56.1%) completed the survey, with a median follow-up since their event of 5.5 years (IQR, 2.9-8.9 years). Age was comparable between responders and nonresponders (median [IQR], 67 [58-74] years vs 68 [56-78] years), and 2075 responders (81.3%) were men and 477 (18.7%) women (vs 1473 male [73.9%] and 520 female [26.1%] nonresponders). For the shortest follow-up (0-1 year) and longest follow-up (>15-20 years) groups, the median EQ index score was 0.9 (IQR, 0.7-1.0) and 0.9 (0.8-1.0), respectively. For all responders, the mean (SD) SF-12 physical health score was 43.3 (12.3) and SF-12 mental health score, 52.9 (8.3). All 3 scores were comparable to a general Danish re, IMPORTANCE: Allocating resources to increase survival after cardiac arrest requires survivors to have a good quality of life, but long-term data are lacking.OBJECTIVE: To determine the quality of life of survivors of out-of-hospital cardiac arrest from 2001 to 2019.DESIGN, SETTING, AND PARTICIPANTS: This survey study used the EuroQol Health Questionnaire, 12-Item Short Form Health Survey (SF-12), and Hospital Anxiety and Depression Scale (HADS) to assess the health-related quality of life of all adult survivors of out-of-hospital cardiac arrest included in the Danish Cardiac Arrest Registry between June 1, 2001, and August 31, 2019, who were alive in October 2020 (follow-up periods, 0-1, >1-2, >2-4, >4-6, >6-8, >8-10, >10-15, and >15-20 years since arrest). The survey was conducted from October 1, 2020, through May 31, 2021.EXPOSURE: All patients who experienced an out-of-hospital cardiac arrest.MAIN OUTCOME AND MEASURES: Self-reported health was measured using the EuroQol Health Questionnaire index (EQ index) score and EQ visual analog scale. Physical and mental health were measured using the SF-12, and anxiety and depression were measured using the HADS. Descriptive statistics were used for the analysis.RESULTS: Of 4545 survivors, 2552 (56.1%) completed the survey, with a median follow-up since their event of 5.5 years (IQR, 2.9-8.9 years). Age was comparable between responders and nonresponders (median [IQR], 67 [58-74] years vs 68 [56-78] years), and 2075 responders (81.3%) were men and 477 (18.7%) women (vs 1473 male [73.9%] and 520 female [26.1%] nonresponders). For the shortest follow-up (0-1 year) and longest follow-up (>15-20 years) groups, the median EQ index score was 0.9 (IQR, 0.7-1.0) and 0.9 (0.8-1.0), respectively. For all responders, the mean (SD) SF-12 physical health score was 43.3 (12.3) and SF-12 mental health score, 52.9 (8.3). All 3 scores were comparable to a general Danish referenc
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- 2023
118. The association between education and fear of recurrence among breast cancer patients in follow-up–and the mediating effect of self-efficacy
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Larsen, Cecilie, Kirchhoff, Kirstine S., Saltbæk, Lena, Thygesen, Lau C., Karlsen, Randi V., Svendsen, Mads N., Høeg, Beverley L., Horsbøl, Trine A., Bidstrup, Pernille E., Christensen, Helle G., Johansen, Christoffer, Dalton, Susanne O., Larsen, Cecilie, Kirchhoff, Kirstine S., Saltbæk, Lena, Thygesen, Lau C., Karlsen, Randi V., Svendsen, Mads N., Høeg, Beverley L., Horsbøl, Trine A., Bidstrup, Pernille E., Christensen, Helle G., Johansen, Christoffer, and Dalton, Susanne O.
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Background: Major restructuring of surveillance after breast cancer treatment with less follow-up consultations may result in insecurity and fear of recurrence (FCR) among the less resourceful breast cancer patients. We investigate the association between breast cancer patients’ education and FCR and if self-efficacy mediates the associations between education and FCR. Material and methods: A questionnaire survey was conducted from 2017 to 2019, among 1773 breast cancer patients shortly after having their follow-up switched from regular outpatient visits with an oncologist to either nurse-led or patient-initiated follow-up, with a subsequent questionnaire after 12 months. Data on disease and treatment characteristics were extracted from medical records and the Danish Breast Cancer Group Database. Logistic regression analyses were used to examine the association between education and FCR. Separate analyses were conducted for patients ≤ and >5 years since diagnosis and all models were adjusted for age and cohabitation status. To explore potential mediation by self-efficacy, we conducted regression analyses on education and FCR further adjusting for self-efficacy. Results: The participation rate was 57%, and after the exclusion of patients due to missing data, 917 were included in analyses. Patients with long education had significantly less FCR compared to patients with short education (OR (95% CI) 0.71 (0.51;0,99)). When separated by time since diagnosis, there was no association among patients >5 years since diagnosis while the OR was 0.51 (95% CI, 0.30;0.85) for patients ≤5 years since diagnosis. Further adjusting for self-efficacy among patients <5 years since diagnosis resulted in an OR of 0.56 (95% CI, 0.33;0.95) among patients with long compared to short education. Conclusion: Up to 5 years after diagnosis, breast cancer patients with long education are less likely to experience FCR than patients with short education. Self-efficacy mediated only a v
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- 2023
119. Patient-Assessed Quality of Virtual Consultations as Follow-Up on Long-Term Oxygen Therapy for Patients With COPD
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Schmidt, Hannah Clement, primary and Christensen, Helle Marie, additional
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- 2023
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120. The association between education and fear of recurrence among breast cancer patients in follow-up – and the mediating effect of self-efficacy
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Larsen, Cecilie, primary, Kirchhoff, Kirstine S., additional, Saltbæk, Lena, additional, Thygesen, Lau C., additional, Karlsen, Randi V., additional, Svendsen, Mads N., additional, Høeg, Beverley L., additional, Horsbøl, Trine A., additional, Bidstrup, Pernille E., additional, Christensen, Helle G., additional, Johansen, Christoffer, additional, and Dalton, Susanne O., additional
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- 2023
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121. “I just haven’t experienced anything like this before”: A qualitative exploration of callers’ interpretation of experienced conditions in telephone consultations preceding a myocardial infarction
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Jensen, Britta, primary, Vardinghus-Nielsen, Henrik, additional, Mills, Elisabeth Helen Anna, additional, Møller, Amalie Lykkemark, additional, Gnesin, Filip, additional, Zylyftari, Nertila, additional, Kragholm, Kristian, additional, Folke, Fredrik, additional, Christensen, Helle Collatz, additional, Blomberg, Stig Nikolaj, additional, Torp-Pedersen, Christian, additional, and Bøggild, Henrik, additional
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- 2023
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122. Training in Basic Life Support and Bystander-Performed Cardiopulmonary Resuscitation and Survival in Out-of-Hospital Cardiac Arrests in Denmark, 2005 to 2019
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Jensen, Theo Walther, primary, Ersbøll, Annette Kjær, additional, Folke, Fredrik, additional, Wolthers, Signe Amalie, additional, Andersen, Mikkel Porsborg, additional, Blomberg, Stig Nikolaj, additional, Andersen, Lars Bredevang, additional, Lippert, Freddy, additional, Torp-Pedersen, Christian, additional, and Christensen, Helle Collatz, additional
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- 2023
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123. Common side reactions of the glycosyl donor in chemical glycosylation
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Christensen, Helle M., Oscarson, Stefan, and Jensen, Henrik H.
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- 2015
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124. Aggregation and attachment responses of blue mussels, Mytilus edulis—impact of substrate composition, time scale and source of mussel seed
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Christensen, Helle Torp, Dolmer, Per, Hansen, Benni W., Holmer, Marianne, Kristensen, Louise Dahl, Poulsen, Louise K., Stenberg, Claus, Albertsen, Christoffer Moesgaard, and Støttrup, Josianne G.
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- 2015
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125. Additional file 1 of Patient characteristics and dispatch responses of urinary tract infections in a prehospital setting in Copenhagen, Denmark: a retrospective cohort study
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Verhoeven, Jeske, Christensen, Helle Collatz, Blomberg, Stig Nikolaj, Böbel, Simone, Scholz, Mirjam, and Krafft, Thomas
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Additional file 1: Appendix I. Multinomial logistic regression for 1813 and 1–1-2 response. Appendix II. Plot for amount of calls each year.
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- 2023
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126. Evaluation of a critical incident management system on mental health in lifeguard organisations: a retrospective study
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Breindahl, Niklas, primary, Strange, Kirstine Friderichsen, additional, Østergaard, Doris, additional, and Collatz Christensen, Helle, additional
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- 2023
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127. Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services
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Zylyftari, Nertila, primary, Lee, Christina Ji-Young, additional, Gnesin, Filip, additional, Møller, Amalie Lykkemark, additional, Mills, Elisabeth Helen Anna, additional, Møller, Sidsel G., additional, Jensen, Britta, additional, Ringgren, Kristian Bundgaard, additional, Kragholm, Kristian, additional, Christensen, Helle Collatz, additional, Blomberg, Stig Nikolaj Fasmer, additional, Tan, Hanno L., additional, Folke, Fredrik, additional, Køber, Lars, additional, Gislason, Gunnar, additional, and Torp-Pedersen, Christian, additional
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- 2022
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128. Petrophysical and rock-mechanics effects of CO2 injection for enhanced oil recovery: Experimental study on chalk from South Arne field, North Sea
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Alam, M. Monzurul, Hjuler, Morten Leth, Christensen, Helle Foged, and Fabricius, Ida Lykke
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- 2014
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129. 421 Fatal and non-fatal drowning incidents in Danish harbours: a nationwide registry-based study using the Danish Prehospital Drowning Data from 2016 to 2023
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Wildenschild, Alexander, Breindahl, Niklas, Blomberg, Stig Nikolaj Fasmer, Mikkelsen, Søren, and Christensen, Helle Collatz
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- 2024
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130. 379 Foreign body airway obstruction resulting in out-of-hospital cardiac arrest in Denmark - Incidence, survival and interventions
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Wolther, Signe, Holgersen, Mathias, Jensen, Josefine, Andersen, Mikkel, Blomberg, Stig, Mikkelsen, Søren, Christensen, Helle, and Jensen, Theo
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- 2024
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131. 323 Prehospital cricothyroidotomy during out-of-hospital cardiac arrest in Denmark: A project description and preliminary cases
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Holgersen, Mathias, Jansen, Theo Walther, Laursen, Signe Wolther, Lendal, Marius Sartvin, Blomberg, Stig Nikolaj, Andersen, Lars Bredevang, Howitz, Michael, and Christensen, Helle Collatz
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- 2024
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132. 293 The role of accidental hypothermia in drowning-related out-ofhospital cardiac arrest: A Danish six-year observational cohort study
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Bitzer, Kasper, Breindahl, Niklas, Kelly, Benjamin, Sørensen, Oliver, Laugesen, Monika, Wolthers, Signe A., Wiberg, Sebastian, Blomberg, Stig N.F., Steinmetz, Jacob, Wanscher, Michael C.J., and Christensen, Helle Collatz
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- 2024
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133. 215 In situ simulation assessment in a Danish nationwide lifeguard service: a retrospective study from 2018–2023
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Rasmussen, Johannes Vissing, Breindahl, Niklas, Bitzer, Kasper, Sørensen, Oliver Beierholm, Wildenschild, Alexander, Lippert, Anne, Oestergaard, Doris, and Christensen, Helle Collatz
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- 2024
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134. 116 Foreign Body Airway Obstruction Resulting in Out-of-hospital Cardiac Arrest in Denmark – Incidence, Survival and Interventions
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Wolthers, Signe Amalie, Christensen, Helle Collatz, Andersen, Lars Bredevang, and Jensen, Theo Walther
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- 2024
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135. 114 The Danish Prehospital Drowning Data – Reporting Utstein-style data from fatal and non-fatal drowning in Denmark
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Breindahl, Niklas, Bitzer, Kasper, Sørensen, Oliver, Wildenschild, Alexander, Wolthers, Signe, Lindskou, Tim, Steinmetz, Jacob, Blomberg, Stig, and Christensen, Helle
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- 2024
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136. Recognition of visual symptoms in stroke: a challenge to patients, bystanders, and Emergency Medical Services.
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Berg, Kristina Parsberg, Sørensen, Viktor Frederik Idin, Blomberg, Stig Nikolaj Fasmer, Christensen, Helle Collatz, and Kruuse, Christina
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TRANSIENT ischemic attack ,MEDICAL personnel ,EMERGENCY medical services ,STROKE patients ,STROKE ,MULTIPLE regression analysis - Abstract
Background: Identification of visual symptoms as a sign of acute stroke can be challenging for both first line healthcare professionals and lay persons. Failed recognition of visual symptoms by medical dispatchers at the Emergency Medical Dispatch Center (EMDC-112) or personnel at the Out-of-Hours Health Service (OOHS) may delay stroke revascularization. We aimed to identify correct system response to visual symptoms in emergency calls. Methods: Phone calls from patient or bystander to the EMDC-112 or OOHS, which included visual symptoms on patients later verified with stroke/Transient ischemic attack (TIA) diagnosis, were analyzed. Data were stratified according to hospitalization within and after 4.5 h from symptom onset. Descriptive and multiple logistic regression analysis were performed. Results: Of 517 calls identified, 290 calls fulfilled inclusion criteria. Only 30% of the patients received correct visitation by the medical dispatchers and referral to the hospital by a high-priority ambulance. Correct visitation was associated with early contact (adjusted OR: 2.37, 95% CI: 1.11, 5.03), contact to the EMDC-112 (adjusted OR: 3.18, 95% CI: 1.80, 5.62), and when the medical dispatcher asked additional questions on typical stroke symptoms (adjusted OR: 6.36, 95% CI: 3.01, 13.43). No specific visual symptom was associated with stroke recognition and fast hospitalization. Conclusions: First line healthcare professionals had significant problems in identifying visual symptoms as a sign of acute stroke and eliciting correct response. This highlights an urgent need to improve knowledge of visual symptoms in acute stroke and emphasize correct response to stroke symptoms in general. [ABSTRACT FROM AUTHOR]
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- 2023
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137. Existing respiratory nursing curriculum, frameworks, and other documentation relevant to respiratory nursing education: A Scoping Review Protocol
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Murray, Bridget, Smith, Sheree, Roberts, Nicola, Padilha, José, Šajnić, Andreja, Narsavage, Georgia, Christensen, Helle, Axelsson, Malin, Hernandaz, Carmen, Poot, Betty, and Kelly, Carol
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InformationSystems_GENERAL ,Curriculum and Instruction ,education ,Other Nursing ,Medicine and Health Sciences ,Nursing ,Higher Education ,FOS: Health sciences ,Education - Abstract
This protocol outlines a scoping review to identify what respiratory nursing curriculum, frameworks, and other relevant documentation in respiratory nursing education exist to identify and appraise evidence, policy, and guidelines that will inform an international project.
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- 2022
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138. Patients’ experiences of the COVID-19 pandemic and the change to telephone consultations in cancer care
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Bødtcher, Hanne, primary, Lindblad, Katrine Vammen, additional, Sørensen, Dina Melanie, additional, Rosted, Elizabeth, additional, Kjeldsted, Eva, additional, Christensen, Helle Gert, additional, Svendsen, Mads Nordahl, additional, Thomsen, Linda Aagaard, additional, and Dalton, Susanne Oksbjerg, additional
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- 2022
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139. The National Danish Cardiac Arrest Registry for Out-of-Hospital Cardiac Arrest – A Registry in Transformation
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Jensen, Theo Walter, primary, Blomberg, Stig Nikolaj, additional, Folke, Fredrik, additional, Mikkelsen, Søren, additional, Rostgaard-Knudsen, Martin, additional, Juelsgaard, Palle, additional, Christensen, Erika Frishknecht, additional, Torp-Pedersen, Christian, additional, Lippert, Freddy, additional, and Christensen, Helle Collatz, additional
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- 2022
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140. Heart to heart – Defying disparities in resuscitation
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Wolthers, Signe Amalie, Kvisselgaard, Ask Daffy, and Christensen, Helle Collatz
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- 2024
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141. Involvement of patients’ perspectives on treatment with noninvasive ventilation in patients with chronic obstructive pulmonary disease—A qualitative study
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Christensen, Helle Marie, Huniche, Lotte, and Titlestad, Ingrid L
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- 2018
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142. Operations for Conceptual Schema Manipulation: Definitions and Semantics
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Christensen, Helle L., Haslund, Mads L., Nielsen, Henrik N., Tryfona, Nectaria, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, Caplinskas, Albertas, editor, and Eder, Johann, editor
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- 2001
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143. Traumatic cardiac arrest – a nationwide Danish study.
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Wolthers, Signe Amalie, Jensen, Theo Walther, Breindahl, Niklas, Milling, Louise, Blomberg, Stig Nikolaj, Andersen, Lars Bredevang, Mikkelsen, Søren, Torp-Pedersen, Christian, and Christensen, Helle Collatz
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CARDIAC arrest ,RETURN of spontaneous circulation ,PROGNOSIS ,SURVIVAL rate - Abstract
Background: Cardiac arrest following trauma is a leading cause of death, mandating urgent treatment. This study aimed to investigate and compare the incidence, prognostic factors, and survival between patients suffering from traumatic cardiac arrest (TCA) and non-traumatic cardiac arrest (non-TCA). Methods: This cohort study included all patients suffering from out-of-hospital cardiac arrest in Denmark between 2016 and 2021. TCAs were identified in the prehospital medical record and linked to the out-of-hospital cardiac arrest registry. Descriptive and multivariable analyses were performed with 30-day survival as the primary outcome. Results: A total of 30,215 patients with out-of-hospital cardiac arrests were included. Among those, 984 (3.3%) were TCA. TCA patients were younger and predominantly male (77.5% vs 63.6%, p = < 0.01) compared to non-TCA patients. Return of spontaneous circulation occurred in 27.3% of cases vs 32.3% in non-TCA patients, p < 0.01, and 30-day survival was 7.3% vs 14.2%, p < 0.01. An initial shockable rhythm was associated with increased survival (aOR = 11.45, 95% CI [6.24 – 21.24] in TCA patients. When comparing TCA with non-TCA other trauma and penetrating trauma were associated with lower survival (aOR: 0.2, 95% CI [0.02–0.54] and aOR: 0.1, 95% CI [0.03 – 0.31], respectively. Non-TCA was associated with an aOR: 3.47, 95% CI [2.53 – 4,91]. Conclusion: Survival from TCA is lower than in non-TCA. TCA has different predictors of outcome compared to non-TCA, illustrating the differences regarding the aetiologies of cardiac arrest. Presenting with an initial shockable cardiac rhythm might be associated with a favourable outcome in TCA. [ABSTRACT FROM AUTHOR]
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- 2023
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144. All-cause mortality among Danish nursing home residents before and during the COVID-19 pandemic: a nationwide cohort study.
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Andersen, Mikkel Porsborg, Mills, Elisabeth Helen Anna, Meddis, Alessandra, Sørensen, Kathrine Kold, Butt, Jawad Haider, Køber, Lars, Poulsen, Henrik Enghusen, Phelps, Matthew, Gislason, Gunnar, Christensen, Helle Collatz, Schou, Morten, Fosbøl, Emil L., Gerds, Thomas Alexander, Kragholm, Kristian, and Torp-Pedersen, Christian
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NURSING home residents ,COVID-19 pandemic ,MORTALITY ,COHORT analysis ,COVID-19 ,AGE distribution - Abstract
A substantial part of mortality during the COVID-19-pandemic occurred among nursing home residents which caused alarm in many countries. We investigate nursing home mortality in relation to the expected mortality prior to the pandemic. This nationwide register-based study included all 135,501 Danish nursing home residents between 2015 until October 6, 2021. All-cause mortality rates were calculated using a standardization method on sex and age distribution of 2020. Survival probability and lifetime lost for 180 days was calculated using Kaplan Meier estimates. Of 3,587 COVID-19 related deaths, 1137 (32%) occurred among nursing home residents. The yearly all-cause mortality rates per 100,000 person-years in 2015, 2016, and 2017 were 35,301 (95% CI: 34,671–35,943), 34,801 (95% CI: 34,180–35,432), and 35,708 (95% CI: 35,085–36,343), respectively. Slightly elevated mortality rates per 100,000 person-years were seen in 2018, 2019, 2020, and 2021 of 38,268 (95% CI: 37,620–38,929), 36,956 (95% CI: 36,323–37,600), 37,475 (95% CI: 36,838–38,122), and 38,536 (95% CI: 37,798–39,287), respectively. For SARS-CoV-2-infected nursing home residents, lifetime lost difference was 42 days (95% CI: 38–46) in 2020 versus non-infected in 2018. Among vaccinated in 2021, lifetime lost difference was 25 days (95% CI: 18–32) for SARS-CoV-2-infected versus non-infected. Even though a high proportion of COVID-19 fatalities took place in nursing homes and SARS-CoV-2-infection increased the risk of individual death, the annual mortality was only slightly elevated. For future epidemics or pandemics reporting numbers of fatal cases in relation to expected mortality is critical. [ABSTRACT FROM AUTHOR]
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- 2023
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145. Area-intensive bottom culture of blue mussels Mytilus edulis in a micro-tidal estuary
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Dolmer, Per, Christensen, Helle Torp, Hansen, Benni Winding, and Vismann, Bent
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- 2012
146. International initiation and termination of resuscitation practices: Protocol of a cross‐sectional survey
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Havshøj, Ulrik, primary, Juhl, Ida‐Marie Dreijer, additional, Milling, Louise, additional, Jørgensen, Jeannett Kjær, additional, Christensen, Helle Collatz, additional, Lippert, Freddy, additional, Morrison, Laurie J., additional, Mikkelsen, Søren, additional, and Brøchner, Anne Craveiro, additional
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- 2022
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147. Behavioral factors associated with SARS-CoV-2 infection. Results from a web-based case-control survey in the Capital Region of Denmark
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Cajar, Mille Dybdal, primary, Tan, Florence Chia Chin, additional, Boisen, Mogens Karsboel, additional, Krog, Sebastian Moretto, additional, Nolsoee, Rúna, additional, Collatz Christensen, Helle, additional, Andersen, Mikkel Porsborg, additional, Moeller, Amalie Lykkemark, additional, Gerds, Thomas Alexander, additional, Pedersen-Bjergaard, Ulrik, additional, Lindegaard, Birgitte, additional, Kristensen, Peter Lommer, additional, Christensen, Thomas Broe, additional, Torp-Pedersen, Christian, additional, and Lendorf, Maria Elisabeth, additional
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- 2022
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148. Patient characteristics and dispatch responses of urinary tract infections in a prehospital setting in Copenhagen, Denmark: a retrospective cohort study
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Verhoeven, Jeske, primary, Christensen, Helle Collatz, additional, Blomberg, Stig Nikolaj, additional, Scholz, Mirjam, additional, Böbel, Simone, additional, and Krafft, Thomas, additional
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- 2022
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149. Year-round genetic monitoring of mixed-stock fishery of Atlantic cod (Gadus morhua); implications for management
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Christensen, Helle Torp, primary, Rigét, Frank, additional, Retzel, Anja, additional, Nielsen, Erik Haar, additional, Nielsen, Einar Eg, additional, and Hedeholm, Rasmus Berg, additional
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- 2022
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150. The National Danish Cardiac Arrest Registry for Out-of-Hospital Cardiac Arrest – A Registry in Transformation
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Jensen,Theo Walter, Blomberg,Stig Nikolaj, Folke,Fredrik, Mikkelsen,Søren, Rostgaard-Knudsen,Martin, Juelsgaard,Palle, Christensen,Erika Frishknecht, Torp-Pedersen,Christian, Lippert,Freddy, Christensen,Helle Collatz, Jensen,Theo Walter, Blomberg,Stig Nikolaj, Folke,Fredrik, Mikkelsen,Søren, Rostgaard-Knudsen,Martin, Juelsgaard,Palle, Christensen,Erika Frishknecht, Torp-Pedersen,Christian, Lippert,Freddy, and Christensen,Helle Collatz
- Abstract
Theo Walter Jensen,1,2 Stig Nikolaj Blomberg,1,2 Fredrik Folke,1â 3 Søren Mikkelsen,4,5 Martin Rostgaard-Knudsen,6 Palle Juelsgaard,7 Erika Frishknecht Christensen,6,8 Christian Torp-Pedersen,9,10 Freddy Lippert,1,2 Helle Collatz Christensen1,2,11,12 1Research, Copenhagen Emergency Medical Services, Copenhagen, Denmark; 2Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark; 3Department of Cardiology, Herlev and Gentofte Hospital, Copenhagen, Denmark; 4Emergency Medical Services, The Region of Southern Denmark, Odense, Denmark; 5Department of Regional Health Research, University of Southern Denmark, Odense, Denmark; 6Emergency Medical Services, North Region of Denmark, Aalborg, Denmark; 7Emergency Medical Services, Central Denmark Region, Viborg, Denmark; 8Center for Prehospital and Emergency Research, Aalborg University Hospital and Aalborg University, Aalborg, Denmark; 9Department of Cardiology and Clinical Investigation, Nordsjaellands Hospital, Hillerød, Denmark; 10Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark; 11Emergency Medical Services, Naestved, Region Zealand, Denmark; 12Danish Clinical Quality Program (RKKP) ▪ National Clinical Registries, Copenhagen, DenmarkCorrespondence: Helle Collatz Christensen, Email helle.collatz.christensen.02@regionh.dkAim of the Database: The aim of the Danish Cardiac Arrest Registry is to monitor the quality of prehospital cardiac arrest treatment, evaluate initiatives regarding prehospital treatment of cardiac arrest, and facilitate research.Study Population: All patients with prehospital cardiac arrest in Denmark treated by the emergency medical services in whom resuscitation or defibrillation has been attempted.Main Variables: The Danish Cardiac Arrest Register records descriptive and qualitative variables as outlined in the âUtsteinâ template for reporting out-of-hospital-cardiac arrest. Main variables include whether
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- 2022
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