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Prof. Dr. med. Christian Nickel

Department of Clinical Research
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Publications

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Benhamou, Jonathan, Nieves-Ortega, Ricardo, Nickel, Christian H., Lampart, Alina, Kuster, Tobias, Balestra, Gianmarco M., Rosin, Christiane, Becker, Christoph, Lippay, Kriemhild, & Bingisser, Roland. (2025). Human neutrophil lipocalin, procalcitonin, c-reactive protein, and leucocyte count for prediction of bacterial sepsis in emergency department patients. Scandinavian Journal of Trauma Resuscitation and Emergency Medicine, 33. https://doi.org/10.1186/s13049-025-01429-9

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Raven, Wouter, Candel, Bart G.J., Wali, Nabila, Gaakeer, Menno I., Avest, Ewoud Ter, Sir, Ozcan, Lameijer, Heleen, Hessels, Roger A.P.A., Reijnen, Resi, Nickel, Christian H., de Jonge, Evert, van Zwet, Erik, & de Groot, Bas. (2025). Comparison of Standardized Mortality Ratios in seven Dutch EDs based on presenting complaints. BMC Emergency Medicine, 25. https://doi.org/10.1186/s12873-025-01200-4

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Stock, Elisabeth, Vinogradova, Olga, Wangmo, Tenzin, Nickel, Christian H, Martani, Andrea, & Elger, Bernice S. (2025). Ethical perspectives on pre-hospital triage mechanisms among Swiss healthcare stakeholders during times of medical resource scarcity: A qualitative study [Journal-article]. Clinical Ethics. https://doi.org/10.1177/14777509251372983

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Brunkert, Thekla, Pfundstein, Isabel, Nickel, Christian H., Lampert, Markus L., Trutschel, Diana, & Mauthner, Oliver. (2025). AdvantAGE: Implementation and Evaluation of an Interprofessional Transitional Care Model for Frail Older Adults—Protocol of an Effectiveness–Implementation Hybrid Study. Journal of Advanced Nursing, 81, 5130–5142. https://doi.org/10.1111/jan.16745

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Brabrand, Mikkel, Fløjstrup, Marianne, Bogh, Søren Bie, Cooksley, Tim, & Nickel, Christian Hans. (2025). Utilizing D-dimer levels for predicting survival probability in unplanned hospital admissions: Insights from a 5-year nationwide population-based register study. European Journal of Internal Medicine, 137, 149–151. https://doi.org/10.1016/j.ejim.2025.02.026

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Meyer, Jakob, Gosert, Rainer, Bingisser, Roland, Nickel, Christian H., Tschudin-Sutter, Sarah, & Leuzinger, Karoline. (2025). Diagnostic Performance of a Combined Rapid Antigen Test for Detecting SARS-CoV-2, Influenza Virus, and Respiratory Syncytial Virus in Symptomatic Patients in Tertiary Care. Journal of Medical Virology, 97. https://doi.org/10.1002/jmv.70493

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Dittrich, Tolga D, Nguyen, Anh, Sporns, Peter B, Toebak, Anna M, Kriemler, Lilian F, Rudin, Salome, Zietz, Annaelle, Wagner, Benjamin, Barinka, Filip, Hänsel, Martin, Gensicke, Henrik, Sutter, Raoul, Nickel, Christian H, Katan, Mira, Peters, Nils, Michels, Lars, Kulcsár, Zsolt, Karwacki, Grzegorz M, Pileggi, Marco, et al. (2025). Large ischemic core defined by visually assessed ASPECTS predicts functional outcomes comparably accurate to automated CT perfusion in the 6–24 h window. European Stroke Journal, 10, 552–559. https://doi.org/10.1177/23969873241286691

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Ünlü, Luca, Stephan, Frank-Peter, Riede, Florian N., Mettler, Annette Christine, Dutilh, Gilles, Capoferri, Gioele, Bosia, Tito, Sticherling, Christian, Bingisser, Roland, & Nickel, Christian H. (2025). Diagnostic accuracy of emergency department ECGs in hyperkalemia detection: A cross-sectional study. European Journal of Internal Medicine, 136, 56–62. https://doi.org/10.1016/j.ejim.2025.03.038

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Van Oppen, James D., De Groot, Bas, Nickel, Christian H., & Beil, Michael. (2025). ABCDE-Frailty for critical presentations: Summary of the 2025 ESICM expert consensus recommendations. European Journal of Emergency Medicine, 32, 158–159. https://doi.org/10.1097/MEJ.0000000000001227

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Ünlü, Luca, Margenfeld, Felix, Zendehdel, Adib, Griese, Johannes A., Poilliot, Amélie, Müller-Gerbl, Magdalena, Nickel, Christian H., & Dedic, Mirza. (2025). Ultrasound-guided Emergency Pericardiocentesis Simulation on Human Cadavers: A Scoping Review. Western Journal of Emergency Medicine, 26(3), 685–691. https://doi.org/10.5811/westjem.39696

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Damke, Kristian, Lowinski, Anna, Friederich, Maike, Grosse, Gerrit M., & Nickel, Christian H. (2025). Woman With Unilateral Facial Paleness. Annals of Emergency Medicine, 85, 364–365. https://doi.org/10.1016/j.annemergmed.2024.10.009

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Degen, Bojana, Szczesna, Anna, Nickel, Christian H, Bingisser, Roland, Gaab, Jens, & Minotti, Bruno. (2025). Open-label placebo for non-specific pain in the emergency department (OLP EM): study protocol for a mixed-method randomised control feasibility study in Switzerland. BMJ Open, 15. https://doi.org/10.1136/bmjopen-2024-090508

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Scotti, Barbara, Szczesna, Anna, Nickel, Christian H, Degen, Bojana, Hugli, Olivier, Jean-Scherb, Sandy, Rovati, Lucrezia, Kirsch, Monika, Sampson, Fiona C, Mayer, Gernot, Thomys, Heike, & Minotti, Bruno. (2025). Defining the need for analgesia in the emergency department: Protocol for an international Delphi process. BMJ Open, 15. https://doi.org/10.1136/bmjopen-2024-089396

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Terhalle, L., Arntz, L., Hoffmann, F., Arnold, I., Hafner, L., Picking-Pitasch, L., Zuppinger, J., Delport Lehnen, K., Leuppi, J., Somasundaram, R., Nickel, C. H., & Bingisser, R. (2025). Nonspecific stress biomarkers for mortality prediction in older emergency department patients presenting with falls: a prospective multicenter observational study. Internal and Emergency Medicine, 20(2), 585–595. https://doi.org/10.1007/s11739-024-03693-6

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Beil, Michael, Alberto, Laura, Bourne, Richard S., Brummel, Nathan E., de Groot, Bas, de Lange, Dylan W., Elbers, Paul, Emmelot-Vonk, Marielle, Flaatten, Hans, Freund, Yonathan, Galazzi, Alessandro, Garcia-Martinez, Ana, Guidet, Bertrand, Holmerova, Iva, Jacobs, Jeremy M., Joynt, Gavin M., Leaver, Susannah, Leone, Marc, McNicholas, Bairbre, et al. (2025). ESICM consensus-based recommendations for the management of very old patients in intensive care. Intensive Care Medicine, 51, 287–301. https://doi.org/10.1007/s00134-025-07794-4

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Benhamou, Jonathan, Espejo, Tanguy, Riedel, Henk B., Dreher-Hummel, Thomas, García-Martínez, Ana, Gubler-Gut, Barbara, Kirchberger, Joris, Overberg, Jan-Arie, Perrot, Guido, Bingisser, Roland, & Nickel, Christian H. (2025). On-site physiotherapy in older emergency department patients following a fall: a randomized controlled trial [Journal-article]. European Geriatric Medicine, 16(1), 205–217. https://doi.org/10.1007/s41999-024-01091-x

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Jonathan Benhamou 1 , Tanguy Espejo 1 , Henk B Riedel 1 , Thomas Dreher-Hummel 1 , Ana García-Martínez 2 , Barbara Gubler-Gut 3 , Joris Kirchberger 3 , Jan-Arie Overberg 3 , Guido Perrot 3 , Roland Bingisser 1 , Christian H Nickel 4. (2025). On-site physiotherapy in older emergency department patients following a fall: a randomized controlled trial [Journal-article]. European Geriatric Medicine, 16(1), 205–217. https://doi.org/10.1007/s41999-024-01091-x

Roth, E., Cattaneo, M., Hollenstein, Y., Weisser, M., Bassetti, S., Tschudin Sutter, S., Bingisser, R., Nickel, C. H., & Egli, A. (2025). The Impact of Rapid Molecular Diagnostics for Influenza on Antibiotic Stewardship in the Emergency Department—An Observational Retrospective Study [Journal-article]. Antibiotics, 14(2), 120. https://doi.org/10.3390/antibiotics14020120

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Beil, Michael, Alberto, Laura, Bourne, Richard S., Brummel, Nathan E., de Groot, Bas, de Lange, Dylan W., Elbers, Paul, Emmelot-Vonk, Marielle, Flaatten, Hans, Freund, Yonathan, Galazzi, Alessandro, Garcia-Martinez, Ana, Guidet, Bertrand, Holmerova, Iva, Jacobs, Jeremy M., Joynt, Gavin M., Leaver, Susannah, Leone, Marc, McNicholas, Bairbre, et al. (2025). Correction to: ESICM consensus-based recommendations for the management of very old patients in intensive care (Intensive Care Medicine, (2025), 51, 2, (287-301), 10.1007/s00134-025-07794-4). Intensive Care Medicine. https://doi.org/10.1007/s00134-025-07881-6

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Espejo, Tanguy, Nieves-Ortega, Ricardo, Amsler, Livia, Riedel, Henk Börje, Balestra, Gianmarco, Rosin, Christiane, Becker, Christoph, Lippay, Kriemhild, Nickel, Christian Hans, & Bingisser, Roland. (2025). Clinical Gestalt to Predict Bacterial Infection and Mortality in Emergency Department Patients: A Prospective Observational Study. Journal of General Internal Medicine. https://doi.org/10.1007/s11606-025-09440-7

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Pfundstein, Isabel, Mauthner, Oliver, Gschwind, Cynthia O., Muser, Olga, Nickel, Christian H., Trutschel, Diana, & Brunkert, Thekla. (2025). A Multi-Method Study to Develop and Pilot Test an Interprofessional Transitional Care Model for Frail Older Adults – AdvantAGE. Journal of Advanced Nursing. https://doi.org/10.1111/jan.16822

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Stephan, Frank-Peter, Riede, Florian N., Ünlü, Luca, Capoferri, Gioele, Bosia, Tito, Regeniter, Axel, Bingisser, Roland, & Nickel, Christian H. (2025). Hyperkalemia or Not? A Diagnostic Pitfall in the Emergency Department. Western Journal of Emergency Medicine, 26, 176–179. https://doi.org/10.5811/westjem.35286

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Szczesna, A.Z., Nissen, S.K., Brabrand, M., Bingisser, R., & Nickel, C.H. (2025). Validation of the Frailty-Adjusted Prognosis Tool for 30-Day Mortality in Older Emergency Department Patients. International Journal of Clinical Practice, 2025. https://doi.org/10.1155/ijcp/2048711

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van Oppen, James D, Mooijaart, Simon, Nickel, Christian H, & Conroy, Simon. (2025). Considering frailty and meaningful outcomes in geriatric emergency care. Internal and Emergency Medicine. https://doi.org/10.1007/s11739-025-03940-4

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Fehlmann, C. A., Mc Loughlin, K., Cosgriff, E. J., Ferrick, J. F., van Oppen, J., Coats, T., Conroy, S., de Groot, B., Heeren, P., Lim, S., Lucke, J., Mooijaart, S., Nickel, C. H., Penfold, R., Singler, K., Heeren, P., Steenebruggen, F., Sterckx, V., Brdar, I., et al. (2024). Service provision for Frailty in European Emergency Departments (FEED): a survey of operational characteristics. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 32(1). https://doi.org/10.1186/s13049-024-01234-w

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García-Martínez, A., García-Rosa, S., Gil-Rodrigo, A., Machado, V. T., Pérez-Fonseca, C., Nickel, C. H., Artajona, L., Jacob, J., Llorens, P., Herrero, P., Canadell, N., Rangel, C., Martín-Sánchez, F. J., del Nogal, M. L., & Miró, Ò. (2024). Prevalence and outcomes of fear of falling in older adults with falls at the emergency department: a multicentric observational study. European Geriatric Medicine, 15(5), 1281–1289. https://doi.org/10.1007/s41999-024-00992-1

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Seidenfeld, J., Lee, S., Ragsdale, L., Nickel, C. H., Liu, S. W., & Kennedy, M. (2024). Risk factors and risk stratification approaches for delirium screening: A Geriatric Emergency Department Guidelines 2.0 systematic review. Academic Emergency Medicine, 31(10), 969–984. https://doi.org/10.1111/acem.14939

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Espejo, T., Chrobok, L., Nickel, C. H., & Bingisser, R. (2024). Evaluating cognitive impairment in emergency department: Challenges with screening tools. Authors’ reply [Journal-article]. European Journal of Internal Medicine, 127. https://doi.org/10.1016/j.ejim.2024.06.024

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Espejo, T., Terhalle, L., Malinovska, A., Riedel, H. B., Arntz, L., Hafner, L., Delport-Lehnen, K., Zuppinger, J., Geigy, N., Leuppi, J., Somasundaram, R., Bingisser, R., & Nickel, C. H. (2024). Diagnostic and prognostic value of cardiac troponins in emergency department patients presenting after a fall: A prospective, multicenter study. Academic Emergency Medicine, 31(9), 860–869. https://doi.org/10.1111/acem.14897

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Crisman, Elena, Appenzeller-Herzog, Christian, Tabakovic, Senad, Nickel, Christian Hans, & Minotti, Bruno. (2024). Multidimensional versus unidimensional pain scales for the assessment of analgesic requirement in the emergency department: a systematic review. Internal and Emergency Medicine, 19(5), 1463–1471. https://doi.org/10.1007/s11739-024-03608-5

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Espejo, T., Wagner, N., Riedel, H. B., Karakoumis, J., Geigy, N., Nickel, C. H., & Bingisser, R. (2024). Prognostic value of cognitive impairment, assessed by the Clock Drawing Test, in emergency department patients presenting with non-specific complaints. European Journal of Internal Medicine, 126, 56–62. https://doi.org/10.1016/j.ejim.2024.03.016

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Fumagalli, Riccardo M., Voci, Davide, Bikdeli, Behnood, Bingisser, Roland, Colucci, Giuseppe, Forgo, Gabor, Gerardi, Teresa, Gerber, Bernhard, Grigorean, Alexandru, Klok, Frederikus A., Righini, Marc, Robert-Ebadi, Helia, Stortecky, Stefan, Ulrich, Silvia, Wolf, Simon, Wyss, Dörte, Hobohm, Lukas, Kucher, Nils, Barco, Stefano, et al. (2024). Long-term course of ambulatory patients with COVID-19 initially treated with enoxaparin vs no anticoagulation: final analysis of the OVID (enoxaparin for outpatients with COVID-19) randomized trial. Research and Practice in Thrombosis and Haemostasis, 8. https://doi.org/10.1016/j.rpth.2024.102534

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Chrobok, Leon, Espejo, Tanguy, Riedel, Henk B., Kirchberger, Joris, Overberg, Jan-Arie, Felber, Florina, Perrot, Guido, Nickel, Christian H., & Bingisser, Roland. (2024). On-Site Physiotherapy in Emergency Department Patients Presenting with Nonspecific Low Back Pain: A Randomized Controlled Trial. Journal of Clinical Medicine, 13(11). https://doi.org/10.3390/jcm13113149

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Mols, Elisabeth Margaretha, Haak, Harm, Holland, Mark, Schouten, Bo, Ibsen, Stine, Merten, Hanneke, Christensen, Erika Frischknecht, Nanayakkara, Prabath W.B., Nickel, Christian Hans, Weichert, Immo, Kellett, John, Subbe, Christian Peter, & Kremers, Marjolein N.T. (2024). Can acutely ill patients predict their outcomes? A scoping review. Emergency Medicine Journal, 41(6), 342–349. https://doi.org/10.1136/emermed-2022-213000

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Riedel, H. B., Espejo, T., Dreher-Hummel, T., Bingisser, R., & Nickel, C. H. (2024). Screening for elder mistreatment in a Swiss emergency department: a prospective cohort study. Swiss Medical Weekly, 154(6). https://doi.org/10.57187/s.3775

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Espejo, Tanguy, Riedel, Henk B., Messingschlager, Sebastian, Sonnleitner, Wolfram, Kellett, John, Brabrand, Mikkel, Cooksley, Tim, Bingisser, Roland, & Nickel, Christian H. (2024). Predictive value and interrater reliability of mental status and mobility assessment in the emergency department. Clinical Medicine, Journal of the Royal College of Physicians of London, 24(2). https://doi.org/10.1016/j.clinme.2024.100027

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Albrecht, Rainer, Espejo, Tanguy, Riedel, Henk B., Nissen, Søren K., Banerjee, Jay, Conroy, Simon P., Dreher-Hummel, Thomas, Brabrand, Mikkel, Bingisser, Roland, & Nickel, Christian H. (2024). Clinical Frailty Scale at presentation to the emergency department: interrater reliability and use of algorithm-assisted assessment. European Geriatric Medicine, 15(1), 105–113. https://doi.org/10.1007/s41999-023-00890-y

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Sojak, Lina, Toebak, Anna M., Gallino, Camilla, von Streng, Tennessee, Rudin, Salome, Kriemler, Lilian F., Zietz, Annaelle, Wagner, Benjamin, Gensicke, Henrik, Sutter, Raoul, Nickel, Christian H., Katan, Mira, Bonati, Leo H., Psychogios, Marios, Dittrich, Tolga D., & De Marchis, Gian Marco. (2024). Association between ischaemic stroke aetiology and leptomeningeal collateral status: a retrospective cohort study. Swiss Medical Weekly, 154(7). https://doi.org/10.57187/s.3584

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Cuénod, Aline, Agnetti, Jessica, Seth-Smith, Helena M. B., Roloff, Tim, Wälchli, Denise, Shcherbakov, Dimitri, Akbergenov, Rashid, Tschudin-Sutter, Sarah, Bassetti, Stefano, Siegemund, Martin, Nickel, Christian H., Moran-Gilad, Jacob, Keys, Timothy G., Pflüger, Valentin, Thomson, Nicholas R., & Egli, Adrian. (2023). Bacterial genome-wide association study substantiates papGII of Escherichia coli as a major risk factor for urosepsis. Genome Medicine, 15(1). https://doi.org/10.1186/s13073-023-01243-x

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Lo, Ronson Sze Long, Lyngholm, Le Elias, Brabrand, Mikkel, Leung, Ling Yan, Hung, Kevin Kei Ching, Laugesen, Sune, Posth, Stefan, Cooksley, Tim, Graham, Colin A, & Nickel, Christian H. (2023). A tale of two continents: The performance of six early warning scores in two emergency departments. Hong Kong Journal of Emergency Medicine, 30(6), 374–380. https://doi.org/10.1177/10249079231153719

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Nickel, Christian H., & Kellett, John. (2023). Assessing Physiologic Reserve and Frailty in the Older Emergency Department Patient: Should the Paradigm Change? Clinics in Geriatric Medicine, 39(4), 475–489. https://doi.org/10.1016/j.cger.2023.05.004

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Meier, Mario, Boeddinghaus, Jasper, Nestelberger, Thomas, Nestelberger, Thomas, Koechlin, Luca, Lopez-Ayala, Pedro, Wussler, Desiree, Walter, Joan Elias, Zimmermann, Tobias, Badertscher, Patrick, Wildi, Karin, Gimenez, Maria Rubini, Puelacher, Christian, Glarner, Noemi, Magni, Jan, Miró, Òscar, Martin-Sanchez, Francisco Javier, Kawecki, Damian, Keller, Dagmar I, et al. (2023). Comparing the utility of clinical risk scores and integrated clinical judgement in patients with suspected acute coronary syndrome. European Heart Journal: Acute Cardiovascular Care, 12(10), 693–702. https://doi.org/10.1093/ehjacc/zuad081

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Miró, Òscar, Gil-Rodrigo, Adriana, García-Martínez, Ana, Aguiló, Sira, Alemany, Xavier, Nickel, Christian H., Jacob, Javier, Llorens, Pere, Herrero, Pablo, Torres-Machado, Victoria, Cenjor, Raquel, Coll-Vinent, Blanca, Martínez-Nadal, Gemma, del Nogal, Montserrat Lázaro, Peacock, Frank, & Martín-Sánchez, Francisco Javier. (2023). Sex differences in mortality of older adults with falls after emergency department consultation: FALL-ER registry. Journal of the American Geriatrics Society, 71(9), 2715–2725. https://doi.org/10.1111/jgs.18401

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Polymeris, Alexandros A., Karwacki, Grzegorz M., Siepen, Bernhard M., Schaedelin, Sabine, Tsakiris, Dimitrios A., Stippich, Christoph, Guzman, Raphael, Nickel, Christian H., Sprigg, Nikola, Kägi, Georg, Vehoff, Jochen, Barinka, Filip, Thilemann, Sebastian, Maurer, Marina, Wagner, Benjamin, Traenka, Christopher, Gensicke, Henrik, De Marchis, Gian Marco, Bonati, Leo H., et al. (2023). Tranexamic Acid for Intracerebral Hemorrhage in Patients on Non-Vitamin K Antagonist Oral Anticoagulants (TICH-NOAC): A Multicenter, Randomized, Placebo-Controlled, Phase 2 Trial. Stroke, 54(9), 2223–2234. https://doi.org/10.1161/STROKEAHA.123.042866

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Riedel HB, Espejo T, Bingisser R, Kellett J, & Nickel CH. (2023). A fast emergency department triage score based on mobility, mental status and oxygen saturation compared with the emergency severity index: a prospective cohort study. QJM: An International Journal of Medicine , 116(9), 774–780. https://doi.org/10.1093/qjmed/hcad160

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Candel BGJ, Nissen SK, Nickel CH, Raven W, Thijssen W, Gaakeer MI, Lassen AT, Brabrand M, Steyerberg EW, de Jonge E, & de Groot B. (2023). Development and External Validation of the International Early Warning Score for Improved Age- and Sex-Adjusted In-Hospital Mortality Prediction in the Emergency Department. Critical Care Medicine, 51(7), 881–891. https://doi.org/10.1097/CCM.0000000000005842

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Dittrich, Tolga D, Sporns, Peter B, Kriemler, Lilian F, Rudin, Salome, Nguyen, Anh, Zietz, Annaelle, Polymeris, Alexandros A, Tränka, Christopher, Thilemann, Sebastian, Wagner, Benjamin, Altersberger, Valerian L, Piot, Ines, Barinka, Filip, Hänsel, Martin, Gensicke, Henrik, Engelter, Stefan T, Lyrer, Philippe A, Sutter, Raoul, Nickel, Christian H, et al. (2023). Mechanical thrombectomy for large vessel occlusion between 6 and 24 h: outcome comparison of DEFUSE-3/DAWN eligible versus non-eligible patients. International Journal of Stroke, 18(6), 697–703. https://doi.org/10.1177/17474930221140793

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Dittrich, Tolga D, Aujesky, Mara, Rudin, Salome, Zietz, Annaelle, Wagner, Benjamin, Polymeris, Alexandros, Altersberger, Valerian L, Sinnecker, Tim, Gensicke, Henrik, Engelter, Stefan T, Lyrer, Philippe, Hess, Viviane, Sutter, Raoul, Nickel, Christian H, Bonati, Leo H, Fischer, Urs, Psychogios, Marios, Katan, Mira, & De Marchis, Gian Marco. (2023). Apical pulmonary lesions suspected of malignancy visible on neck CT angiography performed for acute stroke: Prevalence, treatment, and clinical implications – the PLEURA study. European Stroke Journal, 8(2), 549–556. https://doi.org/10.1177/23969873231151488

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Boeddinghaus Jasper, Boeddinghaus, Jasper, Nestelberger, Thomas, Koechlin, Luca, Lopez-Ayala, Pedro, Wussler, Desiree, Mais, Maximilian, Zwimpfer, Luca, Zimmermann, Tobias, Wildi, Karin, Giménez, Maria Rubini, Strebel, Ivo, Miró, Òscar, Martin-Sanchez, F. Javier, Parenica, Jiri, Keller, Dagmar I., Gualandro, Danielle M., Nickel, Christian H., Bingisser, Roland, et al. (2023). Association of accompanying dyspnoea with diagnosis and outcome of patients presenting with acute chest discomfort. European Heart Journal: Acute Cardiovascular Care, 12(5), 283–295. https://doi.org/10.1093/ehjacc/zuad026

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Kabell Nissen S, Rueegg M, Carpenter CR, Kaeppeli T, Busch JM, Fournaise A, Dreher-Hummel T, Bingisser R, Brabrand M, & Nickel CH. (2023). Prognosis for older people at presentation to emergency department based on frailty and aggregated vital signs. Journal of the American Geriatrics Society, 71(4), 1250–1258. https://doi.org/10.1111/jgs.18170

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Dittrich, Tolga D., Sporns, Peter B., Kriemler, Lilian F., Rudin, Salome, Nguyen, Anh, Zietz, Annaelle, Polymeris, Alexandros A., Tränka, Christopher, Thilemann, Sebastian, Wagner, Benjamin, Altersberger, Valerian L., Piot, Ines, Barinka, Filip, Müller, Susanne, Hänsel, Martin, Gensicke, Henrik, Engelter, Stefan T., Lyrer, Philippe A., Sutter, Raoul, et al. (2023). Mechanical Thrombectomy Versus Best Medical Treatment in the Late Time Window in Non-DEFUSE-Non-DAWN Patients: A Multicenter Cohort Study. Stroke, 54(3), 722–730. https://doi.org/10.1161/STROKEAHA.122.039793

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Osterwalder I, Özkan M, Malinovska A, Nickel CH, & Bingisser R. (2023). Correction:Acute Abdominal Pain: Missed Diagnoses, Extra-Abdominal Conditions, and Outcomes(J. Clin. Med., (2020,) 9, (899), 10.3390/jcm9040899) (Patent No. 4). Journal of Clinical Medicine, 12(4), Article 4. https://doi.org/10.3390/jcm12041403

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Arnold, Isabelle, Busch, Jeannette-Marie, Terhalle, Lukas, Nickel, Christian H., & Bingisser, Roland. (2023). Throughput delays: causes, predictors, and outcomes – observational cohort in a Swiss emergency department. Swiss Medical Weekly, 153(5). https://doi.org/10.57187/smw.2023.40084

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Busch, Jeannette-Marie, Arnold, Isabelle, Karakoumis, Julia, Winkel, David J., Segeroth, Martin, Nickel, Christian H., & Bingisser, Roland. (2023). Emergency Presentations for Dizziness - Radiological Findings, Final Diagnoses, and Mortality. International Journal of Clinical Practice, 2023. https://doi.org/10.1155/2023/7450009

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Klasen, Jennifer M., Poljo, Adisa, Sortino, Rosita, Bogie, Bryce J. M., Schoenbaechler, Zoe, Meienberg, Andrea, Nickel, Christian, Bingisser, Roland, & LaDonna, Kori A. (2023). Medical students on the COVID-19 frontline: a qualitative investigation of experiences of relief, stress, and mental health. Frontiers in Medicine, 10. https://doi.org/10.3389/fmed.2023.1249618

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Thilemann, Sebastian, Traenka, Christoph Kenan, Schaub, Fabian, Nussbaum, Lukas, Bonati, Leo, Peters, Nils, Fladt, Joachim, Nickel, Christian, Hunziker, Patrick, Luethy, Marc, Schädelin, Sabine, Ernst, Axel, Engelter, Stefan, De Marchis, Gian Marco, & Lyrer, Philippe. (2023). Real-time video analysis allows the identification of large vessel occlusion in patients with suspected stroke: feasibility trial of a “telestroke” pathway in Northwestern Switzerland. Frontiers in Neurology, 14. https://doi.org/10.3389/fneur.2023.1232401

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Ibsen S, Dam-Huus KB, Nickel CH, Christensen EF, & Søvsø MB. (2022). Diagnoses and mortality among prehospital emergency patients calling 112 with unclear problems: a population-based cohort study from Denmark. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 30(1), 70. https://doi.org/10.1186/s13049-022-01052-y

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Fehlmann CA, Nickel CH, Cino E, Al-Najjar Z, Langlois N, & Eagles D. (2022). Frailty assessment in emergency medicine using the Clinical Frailty Scale: a scoping review. Internal and Emergency Medicine, 17(8), 2407–2418. https://doi.org/10.1007/s11739-022-03042-5

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Simon NR, Jauslin AS, Bingisser R, & Nickel CH. (2022). Emergency presentations of older patients living with frailty: Presenting symptoms compared with non-frail patients. American Journal of Emergency Medicine, 59, 111–117. https://doi.org/10.1016/j.ajem.2022.06.046

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Minotti, Bruno, Mansella, Gregory, Sieber, Robert, Ott, Alexander, Nickel, Christian H., & Bingisser, Roland. (2022). Intravenous acetaminophen does not reduce morphine use for pain relief in emergency department patients: A multicenter, randomized, double-blind, placebo-controlled trial. Academic Emergency Medicine, 29(8), 954–962. https://doi.org/10.1111/acem.14517

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Kellett J, Holland M, Alsma J, Nickel CH, Brabrand M, & Lumala A. (2022). Are changes in vital signs, mobility, and mental status while in hospital measures of the quality of care? Clinical Medicine, Journal of the Royal College of Physicians of London, 22(4), 4–320. https://doi.org/10.7861/clinmed.2021-0712

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Schweizer, Lisa, Sieber, Robert, Nickel, Christian H., & Minotti, Bruno. (2022). Ability of pain scoring scales to differentiate between patients desiring analgesia and those who do not in the emergency department. American Journal of Emergency Medicine, 57, 107–113. https://doi.org/10.1016/j.ajem.2022.04.046

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Rueegg M, Nissen SK, Brabrand M, Kaeppeli T, Dreher T, Carpenter CR, Bingisser R, & Nickel CH. (2022). The clinical frailty scale predicts 1-year mortality in emergency department patients aged 65 years and older. Academic Emergency Medicine, 29(5), 572–580. https://doi.org/10.1111/acem.14460

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Lucke JA, Mooijaart SP, Conroy S, Blomaard LC, De Groot B, & Nickel CH. (2022). Mortality risk for different presenting complaints amongst older patients assessed with the Manchester triage system. European Geriatric Medicine, 13(2), 323–328. https://doi.org/10.1007/s41999-021-00568-3

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Lucke JA, Mooijaart SP, Heeren P, Singler K, McNamara R, Gilbert T, Nickel CH, Castejon S, Mitchell A, Mezera V, Van der Linden L, Lim SE, Thaur A, Karamercan MA, Blomaard LC, Dundar ZD, Chueng KY, Islam F, de Groot B, & Conroy S. (2022). Providing care for older adults in the Emergency Department: expert clinical recommendations from the European Task Force on Geriatric Emergency Medicine. European Geriatric Medicine, 13(2), 309–317. https://doi.org/10.1007/s41999-021-00578-1

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Nickel CH, & Nissen SK. (2022). Still under our radar: Elder mistreatment. European Journal of Emergency Medicine, 29(2), 97–98. https://doi.org/10.1097/MEJ.0000000000000911

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Nissen SK, Candel BGJ, Nickel CH, de Jonge E, Ryg J, Bogh SB, de Groot B, & Brabrand M. (2022). The Impact of Age on Predictive Performance of National Early Warning Score at Arrival to Emergency Departments: Development and External Validation. Annals of Emergency Medicine, 79(4), 354–363. https://doi.org/10.1016/j.annemergmed.2021.09.434

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de Groot B, Jessen MK, & Nickel CH. (2022). The new 2021 Surviving Sepsis Guidelines: an emergency department perspective may be more effective. European Journal of Emergency Medicine, 29(1), 5–6. https://doi.org/10.1097/MEJ.0000000000000898

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Niedermeier S, Wania R, Lampart A, Stahl R, Trumm C, Kammerlander C, Böcker W, Nickel CH, Bingisser R, Armbruster M, & Pedersen V. (2022). Incidental CT Findings in the Elderly with Low-Energy Falls: Prevalence and Implications. Diagnostics, 12(2). https://doi.org/10.3390/diagnostics12020354

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Raven W, van den Hoven EMP, Gaakeer MI, Ter Avest E, Sir O, Lameijer H, Hessels RAPA, Reijnen R, van Zwet E, de Jonge E, Nickel CH, & de Groot B. (2022). The association between presenting complaints and clinical outcomes in emergency department patients of different age categories. European Journal of Emergency Medicine, 29(1), 33–41. https://doi.org/10.1097/MEJ.0000000000000860

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Bruningk, Sarah C., Klatt, Juliane, Stange, Madlen, Mari, Alfredo, Brunner, Myrta, Roloff, Tim-Christoph, Seth-Smith, Helena M. B., Schweitzer, Michael, Leuzinger, Karoline, Sogaard, Kirstine K., Torres, Diana Albertos, Gensch, Alexander, Schlotterbeck, Ann-Kathrin, Nickel, Christian H., Ritz, Nicole, Heininger, Ulrich, Bielicki, Julia, Rentsch, Katharina, Fuchs, Simon, et al. (2022). Determinants of SARS-CoV-2 transmission to guide vaccination strategy in an urban area. Virus Evolution, 8(1), veac002. https://doi.org/10.1093/ve/veac002

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Busch JM, Arnold I, Kellett J, Brabrand M, Bingisser R, & Nickel CH. (2022). Validation of a Simple Score for Mortality Prediction in a Cohort of Unselected Emergency Patients. International Journal of Clinical Practice, 2022, 7281693. https://doi.org/10.1155/2022/7281693

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Guerbaai, Raphaëlle A., Kressig, Reto W., Zeller, Andreas, Tröger, Monika, Nickel, Christian H., Benkert, Brigitte, Wellens, Nathalie I. H., Osińska, Magdalena, Simon, Michael, Zúñiga, Franziska, & Intercare Research Group,. (2022). Identifying Appropriate Nursing Home Resources to Reduce Fall-Related Emergency Department Transfers. Journal of the American Medical Directors Association, 23(8), 1304–1310. https://doi.org/10.1016/j.jamda.2022.01.063

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Kellett J, Sikakulya FK, & Nickel CH. (2022). The prediction of early mortality by the ROX index of oxygenation and respiratory rate in diverse Canadian and Ugandan cohorts of unselected patient: a post-hoc retrospective analysis of 80,558 patient observations. Acute Medicine, 21(2), 68–73. https://doi.org/10.52964/AMJA.0900

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Kennedy A, Holland M, Sullivan P, Gebril A, Arora N, Vijayakumar V, Hoole A, Nickel C, Hodcroft C, Harrington L, Wheble M, Soong J, Scriven N, Kellett J, Slinger K, Price V, Alsma J, Astbury S, Varia R, et al. (2022). Developing priorities for quality improvement in acute medicine using a modified Delphi method A consensus process hosted by the Society for Acute Medicine Quality Improvement Committee (SAM-QI). Acute Medicine, 21(2), 74–79. https://doi.org/10.52964/AMJA.0901

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Klasen JM, Schoenbaechler Z, Bogie BJM, Meienberg A, Nickel C, Bingisser R, & LaDonna K. (2022). Medical students’ perceptions of learning and working on the COVID-19 frontlines: ‘… a confirmation that I am in the right place professionally’. Medical Education Online, 27(1), 2082265. https://doi.org/10.1080/10872981.2022.2082265

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Malinovska A, Malinovska L, Nickel CH, & Bingisser R. (2022). Prevalence and prognosis of fever symptoms, hypo-, and hyperthermia in unselected emergency patients. Journal of Clinical Medicine, 11(1). https://doi.org/10.3390/jcm11010024

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Shrestha, Samyut, Lopez-Ayala, Pedro, Schaefer, Ibrahim, Nardiello, Svetlana S., Papachristou, Androniki, Aliyeva, Fatima, Simmen, Cornelia, Wussler, Desiree, Belkin, Maria, Gualandro, Danielle M., Puelacher, Christian, Michou, Eleni, Pfister, Otmar, Bingisser, Roland, Nickel, Christian H., Breidthardt, Tobias, & Mueller, Christian. (2022). Efficacy and safety of digoxin in acute heart failure triggered by tachyarrhythmia. Journal of Internal Medicine, 292(6), 969–972. https://doi.org/10.1111/joim.13565

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Jauslin AS, Simon NR, Giudici NL, Rueegg M, Zimmermann T, Diebold M, Tschudin-Sutter S, Twerenbold R, Nickel CH, & Bingisser R. (2021). Mimics and chameleons of COVID-19: patient presentation and accuracy of triage during the first wave. Swiss Medical Weekly, 151(49-50), w30103. https://doi.org/10.4414/smw.2021.w30103

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Caspar M., Dutilh G., Achermann S., Bingisser R., & Nickel CH. (2021). Contact-Free Monitoring of Pulse Rate For Triage of Patients Presenting to the Emergency Department. Journal of Emergency Medicine, 61(6), 649–657. https://doi.org/10.1016/j.jemermed.2021.07.005

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Fournaise A, Nissen SK, Lauridsen JT, Ryg J, Nickel CH, Gudex C, Brabrand M, Poulsen LM, & Andersen-Ranberg K. (2021). Translation of the updated clinical frailty scale 2.0 into Danish and implications for cross-sectoral reliability (Patent No. 1). BMC Geriatrics, 21(1), Article 1. https://doi.org/10.1186/s12877-021-02222-w

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Ibsen S, Lindskou TA, Nickel CH, Kløjgård T, Christensen EF, & Søvsø MB. (2021). Which symptoms pose the highest risk in patients calling for an ambulance? A population-based cohort study from Denmark. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 29(1), 59. https://doi.org/10.1186/s13049-021-00874-6

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Leuzinger, Karoline, Osthoff, Michael, Dräger, Sarah, Pargger, Hans, Siegemund, Martin, Bassetti, Stefano, Bingisser, Roland, Nickel, Christian H., Tschudin-Sutter, Sarah, Khanna, Nina, Rentsch, Katharina, Battegay, Manuel, Egli, Adrian, & Hirsch, Hans H. (2021). Comparing immunoassays for sars-cov-2 antibody detection in patients with and without laboratory-confirmed sars-cov-2 infection. Journal of Clinical Microbiology, 59(12), e0138121. https://doi.org/10.1128/JCM.01381-21

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Nieves-Ortega R, Brabrand M, Dutilh G, Kellett J, Bingisser R, & Nickel CH. (2021). Assessment of patient mobility improves the risk stratification of triage with the Emergency Severity Index: A prospective cohort study. European Journal of Emergency Medicine, 28(6), 456–462. https://doi.org/10.1097/MEJ.0000000000000845

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Søgaard KK, Baettig V, Osthoff M, Marsch S, Leuzinger K, Schweitzer M, Meier J, Bassetti S, Bingisser R, Nickel CH, Khanna N, Tschudin-Sutter S, Weisser M, Battegay M, Hirsch HH, Pargger H, Siegemund M, & Egli A. (2021). Community-acquired and hospital-acquired respiratory tract infection and bloodstream infection in patients hospitalized with COVID-19 pneumonia. Journal of Intensive Care, 9(1), 10. https://doi.org/10.1186/s40560-021-00526-y

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van den Ende ES, Schouten B, Kremers MNT, Cooksley T, Subbe CP, Weichert I, van Galen LS, Haak HR, Kellett J, Alsma J, Siegrist V, Holland M, Christensen EF, Graham CA, Leung LY, Laugesen LE, Merten H, Mir F, Kidney RM, et al. (2021). Understanding what matters most to patients in acute care in seven countries, using the flash mob study design. BMC Health Services Research, 21(1), 474. https://doi.org/10.1186/s12913-021-06459-4

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Jauslin AS, Schultze L, Knuchel D, Simon NR, Nickel CH, & Bingisser R. (2021). Disparities in emergency department access, resource allocation, and outcomes between migrants and the local population. Swiss Medical Weekly, 151(43-44), w30070. https://doi.org/10.4414/smw.2021.w30070

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Bingisser R., Simon N.R., & Nickel CH. (2021). Comment to: Non-specific clinical presentations are not prognostic and do not anticipate hospital length of stay or resource utilization. European Journal of Internal Medicine, 91, 85–86. https://doi.org/10.1016/j.ejim.2021.06.011

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Brabrand M, Kellett J, & Nickel CH. (2021). The Reply (Patent No. 8). American Journal of Medicine, 134(8), Article 8. https://doi.org/10.1016/j.amjmed.2021.03.019

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De Hond A, Raven W, Schinkelshoek L, Gaakeer M, Ter Avest E, Sir O, Lameijer H, Hessels RA, Reijnen R, De Jonge E, Steyerberg E, Nickel CH, & De Groot B. (2021). Machine learning for developing a prediction model of hospital admission of emergency department patients: Hype or hope? International Journal of Medical Informatics, 152, 104496. https://doi.org/10.1016/j.ijmedinf.2021.104496

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Möckel M, Nickel CH, Behringer W, & Backus B. (2021). Status of physician education in emergency medicine in four European countries: No primary specialty yet. European Journal of Emergency Medicine, 28(4), 257–259. https://doi.org/10.1097/MEJ.0000000000000837

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Schmuelling L, Franzeck F.C., Nickel CH, Mansella G., Bingisser R., Schmidt N, Stieltjes B., Bremerich J, Sauter AW, Weikert T., & Sommer G. (2021). Deep learning-based automated detection of pulmonary embolism on CT pulmonary angiograms: No significant effects on report communication times and patient turnaround in the emergency department nine months after technical implementation. European Journal of Radiology, 141, 109816. https://doi.org/10.1016/j.ejrad.2021.109816

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Patzen, Annalea, Simon, Noemi R., Jauslin, Andrea S., Nickel, Christian H., & Bingisser, Roland. (2021). Nonspecific complaints in emergency medicine: Contribution of clinical chemistry and diagnostic imaging to final diagnosis. an observational study. Signa Vitae, 17, 49–54. https://doi.org/10.22514/sv.2021.096

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van den Ende ES, Schouten B, Kremers MNT, Cooksley T, Subbe CP, Weichert I, van Galen LS, Haak HR, Kellett J, Alsma J, Siegrist V, Holland M, Christensen EF, Graham CA, Leung LY, Laugesen LE, Merten H, Mir F, Kidney RM, et al. (2021). Correction to: Understanding what matters most to patients in acute care in seven countries, using the flash mob study design. (Patent No. 1). 21(1), Article 1. https://doi.org/10.1186/s12913-021-06580-4

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Tsagkas C, Schäfer S, Baumgartner A, Müller J, Sinnecker T, Mehling M, van der Stouwe JG, Felder S, Panagiotou A, Potlukova E, Winzeler B, Scholz MC, Timper K, Blackham K, Nickel CH, Christ-Crain M, Bingisser R, Lyrer P, Kappos L, & Yaldizli Ö. (2021). Syndrome of inappropriate antidiuretic hormone secretion and hypothalamic hypocortisolism in neuromyelitis optica. The Lancet, 397(10290), 2194. https://doi.org/10.1016/S0140-6736(21)00986-7

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Lampart M, Rüegg M, Jauslin AS, Simon NR, Zellweger N, Eken C, Tschudin-Sutter S, Bassetti S, Rentsch KM, Siegemund M, Bingisser R, Nickel CH, Osswald S, Kuster GM, & Twerenbold R. (2021). Direct comparison of clinical characteristics, outcomes and risk prediction in patients with covid-19 and controls—a prospective cohort study. Journal of Clinical Medicine, 10(12). https://doi.org/10.3390/jcm10122672

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Brabrand M, Bogh SB, Fløjstrup M, Kellett J, Cooksley T, & Nickel CH. (2021). Routine measurement of d-dimers on suspected SARS-CoV2-infected patients does not lead to significant increase in radiological investigations (Patent No. 4). Internal and Emergency Medicine, 16(4), Article 4. https://doi.org/10.1007/s11739-020-02568-w

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Lumala A, Kellett J, Alsma J, & Nickel CH. (2021). Is the “beach position” of value during the “eyeball” assessment of patients? [Elsevier B.V.]. European Journal of Internal Medicine, 88, 139–140. https://doi.org/10.1016/j.ejim.2021.02.014

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Simon NR, Jauslin AS, Rueegg M, Twerenbold R, Lampart M, Osswald S, Bassetti S, Tschudin-Sutter S, Siegemund M, Nickel CH, & Bingisser R. (2021). Association of frailty with adverse outcomes in patients with suspected covid‐19 infection. Journal of Clinical Medicine, 10(11). https://doi.org/10.3390/jcm10112472

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Rueegg M., Nickel CH, & Bingisser R. (2021). Disagreements between emergency patients and physicians regarding chief complaint – Patient factors and prognostic implications. International Journal of Clinical Practice, 75(5). https://doi.org/10.1111/ijcp.14070

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