Helle Collatz Christensen
Clinical Associate Professor
- 2023
- Published
All-cause mortality among Danish nursing home residents before and during the COVID-19 pandemic: a nationwide cohort study
Andersen, M. P., Mills, E. H. A., Meddis, Alessandra, Sørensen, Kathrine Kold, Butt, J. H., Køber, Lars Valeur, Poulsen, Henrik Enghusen, Phelps, M., Gislason, Gunnar Hilmar, Christensen, Helle Collatz, Schou, Morten, Fosbøl, E. L., Gerds, Thomas Alexander, Kragholm, K. & Torp-Pedersen, Christian, 2023, In: European Journal of Epidemiology. 38, p. 523–531 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Danish National Child Health Register
Andersen, M. P., Wiingreen, R., Eroglu, T. E., Christensen, Helle Collatz, Polcwiartek, L. B., Blomberg, S. N. F., Kragholm, K., Torp-Pedersen, Christian & Sørensen, Kathrine Kold, 2023, In: Clinical Epidemiology. 15, p. 1087-1094 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Recognition of visual symptoms in stroke: a challenge to patients, bystanders, and Emergency Medical Services
Berg, K. P., Sørensen, V. F. I., Blomberg, S. N. F., Christensen, Helle Collatz & Kruuse, Christina Rostrup, 2023, In: BMC Emergency Medicine. 23, 1, 17 p., 96.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Danish Drowning Formula for identification of out-of-hospital cardiac arrest from drowning
Breindahl, N., Wolthers, S. A., Jensen, T. W., Holgersen, M. G., Blomberg, S. N. F., Steinmetz, Jacob, Christensen, Helle Collatz & the Danish Cardiac Arrest Group, T. D. C. A. G., 2023, In: American Journal of Emergency Medicine. 73, p. 55-62 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Evaluation of a critical incident management system on mental health in lifeguard organisations: A retrospective study
Breindahl, N., Strange, K. F., Østergaard, Doris & Christensen, Helle Collatz, 2023, In: BMJ Open Sport and Exercise Medicine. 9, 1, e001499.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
AED applied, not recommending defibrillation – A validation study of the new variable AED in the Danish Cardiac Arrest Registry
Casarini, E., Wolthers, S. A., Ringgren, K. B., Blomberg, S. N. F. & Christensen, Helle Collatz, 2023, In: Resuscitation. 186, 109725.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Associations between emergency call stroke triage and pre-hospital delay, primary hospital admission, and acute reperfusion treatment among early comers with acute ischemic stroke
Gude, M. F., Valentin, J. B., Christensen, Helle Collatz, Mikkelsen, S., Søvsø, M. B., Andersen, G., Kirkegaard, H. & Johnsen, S. P., 2023, In: Internal and Emergency Medicine. 18, p. 2355–2365 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Kunstig intelligens kommer ikke nødvendigvis patienter til gode
Holm, Sune Hannibal, Blomberg, S. N., Christensen, Helle Collatz & Duedder, Boris, 12 Jun 2023, In: Berlingske. p. 20-21 2 p.Research output: Contribution to journal › Contribution to newspaper - Comment/debate › Communication
- Published
Pre-hospital symptoms associated with acute bacterial meningitis differs between children and adults
Hovmand, N., Christensen, Helle Collatz, Lundbo, L. F., Kronborg, Gitte, Darsø, P., Blomberg, S. N. F. & Benfield, Thomas, 2023, In: Scientific Reports. 13, 1, 9 p., 21479.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
"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
Jensen, B., Vardinghus-Nielsen, H., Mills, E. H. A., Møller, Amalie Lykkemark, Gnesin, Filip Jurijevitj, Zylyftari, N., Kragholm, K., Folke, Fredrik, Christensen, Helle Collatz, Blomberg, S. N., Torp-Pedersen, Christian & Bøggild, H., 2023, In: Patient Education and Counseling. 109, 1 p., 107643.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Geographical Association Between Basic Life Support Courses and Bystander Cardiopulmonary Resuscitation and Survival from OHCA in Denmark
Jensen, T. W., Ersbøll, A. K., Folke, Fredrik, Andersen, M. P., Blomberg, S. N., Holgersen, M. G., Andersen, L. B., Lippert, F., Torp-Pedersen, Christian & Christensen, Helle Collatz, 2023, In: Open Access Emergency Medicine. 15, p. 241-252 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Training in Basic Life Support and Bystander-Performed Cardiopulmonary Resuscitation and Survival in Out-of-Hospital Cardiac Arrests in Denmark, 2005 to 2019
Jensen, T. W., Ersbøll, A. K., Folke, Fredrik, Wolthers, S. A., Andersen, M. P., Blomberg, S. N., Andersen, L. B., Lippert, F., Torp-Pedersen, Christian & Christensen, Helle Collatz, 2023, In: JAMA network open. 6, 3, p. E233338 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ethical considerations in the prehospital treatment of out-of-hospital cardiac arrest: A multi-centre, qualitative study
Milling, L., Nielsen, D. S., Kjær, J., Binderup, L. G., de Muckadell, C. S., Christensen, Helle Collatz, Christensen, E. F., Lassen, A. T. & Mikkelsen, S., 2023, In: PLoS ONE. 18, 7, 19 p., e0284826.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
When the machine is wrong. Characteristics of true and false predictions of Out-of-Hospital Cardiac arrests in emergency calls using a machine-learning model
Nikolaj Blomberg, S., Jensen, T. W., Porsborg Andersen, M., Folke, Fredrik, Kjær Ersbøll, A., Torp-Pedersen, Christian, Lippert, F. & Christensen, Helle Collatz, 2023, In: Resuscitation. 183, 7 p., 109689.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Association of intraosseous and intravenous access with patient outcome in out-of-hospital cardiac arrest
Nilsson, F. N., Bie-Bogh, S., Milling, L., Hansen, P. M., Pedersen, H., Christensen, E. F., Knudsen, J. S., Christensen, Helle Collatz, Folke, Fredrik, Høen-Beck, D., Væggemose, U., Brøchner, A. C. & Mikkelsen, S., 2023, In: Scientific Reports. 13, 1, 7 p., 20796.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A retrospective study on machine learning-assisted stroke recognition for medical helpline calls
Wenstrup, J., Havtorn, J. D., Borgholt, L., Blomberg, S. N., Maaloe, L., Sayre, M. R., Christensen, H., Kruuse, Christina Rostrup & Christensen, Helle Collatz, 2023, In: npj Digital Medicine. 6, 1, 8 p., 235.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dispatcher Stroke/TIA Recognition in Emergency Medical Call Center and Out-of-Hours Service Calls in Copenhagen, Denmark
Wenstrup, J., Blomberg, S. N., Christensen, Hanne Krarup, Folke, Fredrik, Christensen, Helle Collatz & Kruuse, Christina Rostrup, 2023, In: Neurology: Clinical Practice. 13, 6, 10 p., e200197.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Association between using a prehospital assessment unit and hospital admission and mortality: a matched cohort study
Wolthers, S. A., Blomberg, S. N. F., Breindahl, N., Anjum, S., Hägi-Pedersen, Daniel, Ersbøll, A., Andersen, L. B. & Christensen, Helle Collatz, 2023, In: BMJ Open. 13, 9, 9 p., e075592.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Traumatic cardiac arrest - a nationwide Danish study
Wolthers, S. A., Jensen, T. W., Breindahl, N., Milling, L., Blomberg, S. N., Andersen, L. B., Mikkelsen, S., Torp-Pedersen, Christian & Christensen, Helle Collatz, 2023, In: BMC Emergency Medicine. 23, 1, 11 p., 69.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-Term Quality of Life After Out-of-Hospital Cardiac Arrest
Yonis, H., Sørensen, Kathrine Kold, Bøggild, H., Ringgren, K. B., Hansen, Carolina Malta, Granger, C. B., Folke, Fredrik, Christensen, Helle Collatz, Jensen, B., Andersen, M. P., Joshi, V. L., Zwisler, A., Torp-Pedersen, Christian & Kragholm, K., 2023, In: JAMA Cardiology. 8, 11, 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services
Zylyftari, N., Lee, C. J. Y., Gnesin, Filip Jurijevitj, Møller, Amalie Lykkemark, Mills, E. H. A., Møller, S. G., Jensen, B., Ringgren, K. B., Kragholm, K., Christensen, Helle Collatz, Blomberg, S. N. F., Tan, H. L., Folke, Fredrik, Køber, Lars Valeur, Gislason, Gunnar Hilmar & Torp-Pedersen, Christian, 2023, In: International Journal of Cardiology. 374, p. 42-50 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 22768155
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Contacting out-of-hours primary care or emergency medical services for time-critical conditions - impact on patient outcomes
Research output: Contribution to journal › Journal article › Research › peer-review
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197
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On assessing trustworthy AI in healthcare: Best practice for machine learning as a supportive tool to recognize cardiac arrest in emergency calls
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
111
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Injury from electric scooters in Copenhagen: A retrospective cohort study
Research output: Contribution to journal › Journal article › Research › peer-review
Published