Thomas Benfield

Thomas Benfield

Clinical Professor

Member of:

  • Internal medicine: infection medicine


  1. 2020
  2. Published

    Risk of COVID-19 in health-care workers in Denmark: an observational cohort study

    Iversen, K., Bundgaard, H., Hasselbalch, R. B., Kristensen, J. H., Nielsen, P. B., Pries-Heje, M., Knudsen, A. D., Christensen, C. E., Fogh, K., Norsk, J. B., Andersen, O., Fischer, T. K., Jensen, C. A. J., Larsen, M., Torp-Pedersen, C., Rungby, J., Ditlev, S. B., Hageman, I., Møgelvang, R., Hother, C. E. & 8 others, Gybel-Brask, M., Sørensen, E., Harritshøj, Lene Holm, Folke, Fredrik, Sten, C., Benfield, Thomas, Nielsen, Susanne Dam & Ullum, H., Dec 2020, In: The Lancet Infectious Diseases. 20, 12, p. 1401-1408 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Remdesivir for the Treatment of Covid-19 — Final Report

    Beigel, J. H., Tomashek, K. M., Dodd, L. E., Mehta, A. K., Zingman, B. S., Kalil, A. C., Hohmann, E., Chu, H. Y., Luetkemeyer, A., Kline, S., Lopez De Castilla, D., Finberg, R. W., Dierberg, K., Tapson, V., Hsieh, L., Patterson, T. F., Paredes, R., Sweeney, D. A., Short, W. R., Touloumi, G. & 20 others, Lye, D. C., Ohmagari, N., Oh, M., Ruiz-palacios, G. M., Benfield, Thomas, Fätkenheuer, G., Kortepeter, M. G., Atmar, R. L., Creech, C. B., Lundgren, Jens, Babiker, A. G., Pett, S., Neaton, J. D., Burgess, T. H., Bonnett, T., Green, M., Makowski, M., Osinusi, A., Nayak, S. & Lane, H. C., 5 Nov 2020, In: New England Journal of Medicine. 383, 19, p. 1813-1826 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Clinical Manifestations in Children with Staphylococcal Bacteremia Positive for Panton-Valentine Leucocidin: A Nationwide Survey in a Low Methicillin-Resistance Setting

    Bybeck Nielsen, A., Larsen, A. R., Petersen, A., Schønheyder, H. C., Westh, Henrik T., Benfield, Thomas & Nygaard, Ulrikka, Sep 2020, In: The Pediatric Infectious Disease Journal. 39, 9, p. e274-e276 3 p.

    Research output: Contribution to journalLetterResearchpeer-review

  5. Published

    A Randomized Trial of Instructor-Led Training Versus Video Lesson in Training Health Care Providers in Proper Donning and Doffing of Personal Protective Equipment

    Christensen, L., Rasmussen, C. S., Benfield, Thomas & Franc, J. M., 1 Aug 2020, In: Disaster Medicine and Public Health Preparedness. 14, 4, p. 514-520 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Face masks for the prevention of COVID-19-rationale and design of the randomised controlled trial DANMASK-19

    Bundgård, Henning, Bundgaard, J. S., Raaschou-Pedersen, D. E. T., Mariager, A. F., Schytte, N., von Buchwald, Christian, Todsen, Tobias, Skovgaard, K., Trebbien, R., Andersen, M. P., Benfield, Thomas, Ullum, H., Torp-Pedersen, Christian & Iversen, Kasper, Aug 2020, In: Danish Medical Journal. 67, 9, 10 p., A05200363.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Characteristics of patients with COVID-19 pneumonia at Hvidovre Hospital, March-April 2020

    Israelsen, S. B., Kristiansen, K. T., Hindsberger, B., Ulrik, Charlotte Suppli, Andersen, Ove, Jensen, M., Andersen, S., Rasmussen, C., Jørgensen, Henrik Løvendahl, Østergaard, C., Lindhardt, Bjarne Ørskov, Kronborg, Gitte & Benfield, Thomas, 15 May 2020, In: Danish Medical Journal. 67, 6, 4 p., A05200313.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Increased risk of incident primary cancer after Staphylococcus aureus bacteremia: A matched cohort study

    Gotland, N., Uhre, M. L., Sandholdt, H., Mejer, N., Lundbo, L. F., Petersen, A., Larsen, A. R. & Benfield, Thomas, Apr 2020, In: Medicine. 99, 17, 7 p., e19984.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Associations between blood cultures after surgery for colorectal cancer and long-term oncological outcomes

    Watt, S. K., Fransgaard, T., Degett, T. H., Thygesen, L. C., Benfield, Thomas, Knudsen, J. D., Fuursted, K., Jensen, T. G., Dessau, R. B., Schønheyder, H. C., Møller, J. K. & Gögenur, Ismail, Feb 2020, In: British Journal of Surgery. 107, 3, p. 310-315 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Soluble T-Cell Immunoglobulin Mucin Domain-3 is Associated With Hepatitis C Virus Coinfection and Low-Grade Inflammation During Chronic Human Immunodeficiency Virus Infection

    Hoel, H., Ueland, T., Hove-Skovsgaard, M., Hartling, H. J., Gelpi, M., Benfield, Thomas, Ullum, H., Michelsen, A. E., Aukrust, P., Nielsen, Susanne Dam & Trøseid, M., Feb 2020, In: Open Forum Infectious Diseases. 7, 2, 7 p., ofaa033.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Building relevance to improve public adherence to preventive measures against COVID-19 by reporting prevalence assessment from incidence numbers

    Lorentzen, H. F., Vestergaard, C. & Benfield, Thomas, 2020, In: Danish Medical Journal. 67, 9, 5 p., A205043.

    Research output: Contribution to journalLetterResearchpeer-review

  12. Published

    COVID-19 is possibly a consequence of the anthropogenic biodiversity crisis and climate changes

    Lorentzen, H. F., Benfield, Thomas, Stisen, S. & Rahbek, Carsten, 2020, In: Danish Medical Journal. 67, 5, 5 p., A205025.

    Research output: Contribution to journalEditorialResearchpeer-review

  13. Published

    Changes in Lyme neuroborreliosis incidence in Denmark, 1996 to 2015

    Tetens, M. M., Haahr, R., Dessau, R. B., Krogfelt, K. A., Bodilsen, J., Andersen, N. S., Møller, J. K., Roed, C., Christiansen, C. B., Ellermann-Eriksen, S., Bangsborg, Jette Marie, Hansen, Klaus, Benfield, Thomas, Andersen, C. Ø., Obel, Niels, Omland, L. H. & Lebech, Anne-Mette, 2020, In: Ticks and Tick-borne Diseases. 11, 6, 101549.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Clinical Outcomes in Persons Coinfected With Human Immunodeficiency Virus and Hepatitis C Virus: Impact of Hepatitis C Virus Treatment

    Mocroft, A., Lundgren, J., Gerstoft, J., Rasmussen, L. D., Bhagani, S., Aho, I., Pradier, C., Bogner, J. R., Mussini, C., Uberti Foppa, C., Maltez, F., Laguno, M., Wandeler, G., Falconer, K., Trofimova, T., Borodulina, E., Jevtovic, D., Bakowska, E., Kase, K., Kyselyova, G. & 19 others, Haubrich, R., Rockstroh, J. K., Peters, L., EuroSIDA Study, E. S., Losso, M., Kundro, M., Schmied, B., Kronborg, Gitte, Benfield, Thomas, Katzenstein, T. L., Pedersen, C., Johansen, I. S., Østergaard, L., Wiese, L., Møller, N. F., Nielsen, L. N., Scullard, G., Clarke, A. & Leen, C., 2020, In: Clinical Infectious Diseases. 70, 10, p. 2131-2140

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Compartmental immunophenotyping in COVID-19 ARDS: A case series

    Ronit, A., Berg, Ronan Martin Griffin, Bay, Jakob Thaning, Haugaard, A. K., Ahlström, M. G., Burgdorf, Kristoffer Sølvsten, Ullum, H., Rørvig, S. B., Tjelle, K., Foss, Nicolai Bang, Benfield, Thomas, Marquart, H. V. & Plovsing, R. R., 2020, In: Journal of Allergy and Clinical Immunology. 147, 1, p. 81-91 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Echocardiographic abnormalities and predictors of mortality in hospitalized COVID-19 patients: the ECHOVID-19 study

    Lassen, M. C. H., Skaarup, K. G., Lind, J. N., Alhakak, A. S., Sengeløv, M., Nielsen, A. B., Espersen, C., Ravnkilde, K., Hauser, R., Schöps, L. B., Holt, E., Johansen, N. D., Modin, D., Djernæs, K., Graff, C., Bundgaard, H., Hassager, C., Jabbari, R., Carlsen, J., Lebech, A-M. & 28 others, Kirk, Ole, Bodtger, U., Lindholm, M. G., Joseph, G., Wiese, L., Schiødt, Frank Vinholt, Kristiansen, O. P., Walsted, E. S., Nielsen, Olav Wendelboe, Lindegaard, Birgitte, Tønder, N., Benfield, Thomas, Jeschke, K. N., Ulrik, Charlotte Suppli, Knop, Filip Krag, Lamberts, Morten Kjøbek, Sivapalan, P., Gislason, Gunnar Hilmar, Marott, J. L., Møgelvang, R., Jensen, G., Schnohr, P., Søgaard, P., Solomon, S. D., Iversen, Kasper, Jensen , Jens-Ulrik Stæhr , Schou, Morten & Biering-Sørensen, Tor, 2020, In: ESC heart failure. 7, 6, p. 4189-4197

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Estimation of the diagnostic accuracy of real-time reverse transcription quantitative polymerase chain reaction for SARS-CoV-2 using re-analysis of published data

    Lorentzen, H. F., Schmidt, S. A. J., Sandholdt, H. & Benfield, Thomas, 2020, In: Danish Medical Journal. 67, 9, p. 1-11 11 p., A04200237.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Impact of Age and HIV Status on Immune Activation, Senescence and Apoptosis

    Hove-Skovsgaard, M., Zhao, Y., Tingstedt, J. L., Hartling, H. J., Thudium, R. F., Benfield, Thomas, Afzal, Shoaib, Nordestgaard, Børge, Ullum, H., Gerstoft, Jan, Mocroft, A. & Nielsen, S. D., 2020, In: Frontiers in Immunology. 11, 583569.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Improved treatment of community-acquired pneumonia through tailored interventions: Results from a controlled, multicentre quality improvement project

    Fally, Markus, von Plessen, C., Anhøj, J., Benfield, Thomas, Tarp, B., Clausen, L. N., Kolte, L., Diernaes, E., Molzen, L., Seerup, R., Israelsen, S., Hellesøe, A. B. & Ravn, Pernille, 2020, In: PLoS ONE. 15, 6, 16 p., e0234308.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Interstitial Lung Abnormalities in People With HIV Infection and Uninfected Controls

    Ronit, A., Benfield, Thomas, Lundgren, Jens, Vestbo, J., Afzal, Shoaib, Nordestgaard, Børge, Kühl, J. T., Kofoed, Klaus Fuglsang, Nielsen, Susanne Dam & Kristensen, T., 2020, In: The Journal of Infectious Diseases. 221, 12, p. 1973-1977

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Klinisk forskning under en pandemi: Hvordan forsker vi hurtigt og etisk forsvarligt på en gang?

    Benfield, Thomas, 2020, In: Ugeskrift for Laeger. 182, 16, 2 p., V205019.

    Research output: Contribution to journalEditorialResearch

  22. Published

    Kronisk syge og udsatte gruppers situation under COVID-19-pandemien

    Nørredam, Marie Louise & Benfield, Thomas, 2020, In: Ugeskrift for Laeger. 182, 18, 2 p., V205022.

    Research output: Contribution to journalEditorialResearchpeer-review

  23. Published

    Long-Term Survival, Health, Social Functioning, and Education in Patients With an Enterovirus Central Nervous System Infection, Denmark, 1997-2016

    Omland, L. H., Holm-Hansen, C., Lebech, Anne-Mette, Dessau, R. B., Bodilsen, J., Andersen, N. S., Roed, C., Christiansen, C. B., Ellermann-Eriksen, S., Midgley, S., Nielsen, L., Benfield, Thomas, Hansen, Ann-Brit Eg, Andersen, C. Ø., Rothman, K. J., Sørensen, H. T., Fischer, T. K. & Obel, Niels, 2020, In: The Journal of Infectious Diseases. 222, 4, p. 619-627

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Long-Term Survival, Morbidity, Social Functioning and Risk of Disability in Patients with a Herpes Simplex Virus Type 1 or Type 2 Central Nervous System Infection, Denmark, 2000-2016

    Hansen, Ann-Brit Eg, Vestergaard, H. T., Dessau, R. B., Bodilsen, J., Andersen, N. S., Omland, L. H., Christiansen, C. B., Ellermann-Eriksen, S., Nielsen, L., Benfield, Thomas, Sørensen, H. T., Andersen, C. Ø., Lebech, Anne-Mette & Obel, Niels, 2020, In: Clinical Epidemiology. 12, p. 745-755 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Low-dose hydrocortisone in patients with COVID-19 and severe hypoxia (COVID STEROID) trial-Protocol and statistical analysis plan

    Petersen, M. W., Meyhoff, T. S., Helleberg, M., Kjaer, M-B. N., Granholm, A., Hjortso, C. J. S., Jensen, T. S., Moller, M. H., Hjortrup, P. B., Wetterslev, M., Vesterlund, G. K., Russell, L., Jorgensen, V. L., Tjelle, K., Benfield, T., Ulrik, C. S., Andreasen, A. S., Mohr, T., Bestle, M. H., Poulsen, L. M. & 21 others, Hitz, Mette Friberg, Hildebrandt, T., Knudsen, Lene Surland, Moller, A., Solling, C. G., Brochner, A. C., Rasmussen, B. S., Nielsen, H., Christensen, S., Strom, T., Cronhjort, M., Wahlin, R. R., Jakob, S., Cioccari, L., Venkatesh, B., Hammond, N., Jha, V., Myatra, S. N., Gluud, C., Lange, Theis & Perner, Anders, 2020, In: Acta Anaesthesiologica Scandinavica. 64, 9, p. 1365-1375 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Mutations Identified in the Hepatitis C Virus (HCV) Polymerase of Patients with Chronic HCV Treated with Ribavirin Cause Resistance and Affect Viral Replication Fidelity

    Mejer, N., Fahnøe, Ulrik, Galli, Andrea, Ramirez Almeida, Santseharay, Weiland, O., Benfield, Thomas & Bukh, Jens, 2020, In: Antimicrobial Agents and Chemotherapy. 64, 12

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Myocardial Impairment and Acute Respiratory Distress Syndrome in Hospitalized Patients With COVID-19: The ECHOVID-19 Study

    Skaarup, K. G., Lassen, M. C. H., Lind, J. N., Alhakak, A. S., Sengeløv, M., Nielsen, A. B., Espersen, C., Hauser, R., Schöps, L. B., Holt, E., Johansen, N. D., Modin, D., Sharma, S., Graff, C., Bundgaard, H., Hassager, C., Jabbari, R., Lebech, A. M., Kirk, O., Bødtger, U. & 22 others, Lindholm, M. G., Joseph, G., Wiese, L., Schiødt, Frank Vinholt, Kristiansen, O. P., Walsted, E. S., Nielsen, Olav Wendelboe, Lindegaard, Birgitte, Tønder, N., Benfield, Thomas, Jeschke, K. N., Ulrik, Charlotte Suppli, Knop, Filip Krag, Pallisgaard, J., Lamberts, Morten Kjøbek, Sivapalan, P., Gislason, Gunnar Hilmar, Solomon, S. D., Iversen, Kasper, Jensen, J. U. S., Schou, Morten & Biering-Sørensen, Tor, 2020, In: JACC: Cardiovascular Imaging. 13, 11, p. 2474-2476 3 p.

    Research output: Contribution to journalLetterResearchpeer-review

  28. Published

    PCR test caveats after discharge following COVID-19

    Lorentzen, H. F., Schmidt, S. & Benfield, Thomas, 2020, In: Clinical Infectious Diseases. 71, 16, p. 2302-2303 2 p.

    Research output: Contribution to journalLetterResearchpeer-review

  29. Published

    Pandemi 2020: Hvad er der sket – og hvad gør vi?

    Benfield, Thomas, 2020, In: Ugeskrift for Laeger. 182, 14, 2 p., V205014.

    Research output: Contribution to journalEditorialResearch

  30. Published

    Poor Concordance Between Liver Stiffness and Noninvasive Fibrosis Scores in HIV Infection Without Viral Hepatitis

    Kirkegaard-Klitbo, D. M., Bendtsen, Flemming, Lundgren, Jens, Nielsen, Susanne Dam, Benfield, Thomas & COCOMO study group, C. S. G., 2020, In: Clinical Gastroenterology and Hepatology. 18, 13, p. 3049–3050

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Predominance of hospital-acquired bloodstream infection in patients with Covid-19 pneumonia

    Engsbro, A. L., Israelsen, S. B., Pedersen, M., Tingsgaard, S., Lisby, G., Andersen, C. & Benfield, Thomas, 2020, In: Infectious Diseases. 52, 12, p. 919-922 4 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  32. Published

    Prevalence and Risk Factors of Moderate-to-Severe Hepatic Steatosis in Human Immunodeficiency Virus Infection: The Copenhagen Co-morbidity Liver Study

    Kirkegaard-Klitbo, D. M., Fuchs, A., Stender, Stefan, Sigvardsen, P. E., Kühl, J. T., Kofoed, Klaus Fuglsang, Køber, Lars Valeur, Nordestgaard, Børge, Bendtsen, Flemming, Mocroft, A., Lundgren, Jens, Nielsen, Susanne Dam & Benfield, Thomas, 2020, In: The Journal of Infectious Diseases. 222, 8, p. 1353-1362

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Proactive Prophylaxis With Azithromycin and HydroxyChloroquine in Hospitalised Patients With COVID-19 (ProPAC-COVID): A structured summary of a study protocol for a randomised controlled trial

    Sivapalan, P., Ulrik, C. S., Bojesen, R. D., Lapperre, T. S., Eklöf, J. V., Håkansson, K. E. J., Browatzki, A., Tidemansen, C., Wilcke, J. T., Janner, J., Gottlieb, V., Meteran, H., Porsbjerg, C., Madsen, B. L., Moberg, M., Pedersen, L., Benfield, T. L., Lundgren, J. D., Knop, F. K., Biering-Sørensen, T. & 13 others, Ghanizada, M., Sonne, T. P., Bødtger, U. C. S., Jensen, S. G., Rasmussen, D. B., Brøndum, E., Tupper, O. D., Sørensen, S. W., Alstrup, G., Laursen, C. B., Møller, U. W., Sverrild, A. & Jensen , Jens-Ulrik Stæhr , 2020, In: Trials. 21, 4 p., 513.

    Research output: Contribution to journalLetterResearchpeer-review

  34. Published

    Remdesivir til behandling af COVID-19-pneumoni

    Benfield, Thomas, Jensen, T. Ø., Johansen, I. S., Nielsen, H., Wiese, L., Østergaard, L. & Lundgren, Jens, 2020, In: Ugeskrift for Laeger. 182, 24, 3 p., V205031.

    Research output: Contribution to journalEditorialResearch

  35. Published

    Response to letter of concern regarding »Reduction in COVID-19 infection using surgical facial masks outside the healthcare system«

    Bundgård, Henning, Bundgaard, J. S., Benfield, Thomas, Torp-Pedersen, Christian, Ullum, H. & Iversen, Kasper, 2020, In: Danish Medical Journal. 67, 12, 3 p., A205064.

    Research output: Contribution to journalComment/debateResearch

  36. Published

    Ribavirin inhibition of cell-culture infectious hepatitis C genotype 1-3 viruses is strain-dependent

    Mejer, N., Galli, Andrea, Ramirez Almeida, Santseharay, Fahnøe, Ulrik, Benfield, Thomas & Bukh, Jens, 2020, In: Virology. 540, p. 132-140 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Risk of neurological disorders in patients with European Lyme neuroborreliosis. A nationwide population-based cohort study

    Haahr, R., Tetens, M. M., Dessau, R. B., Krogfelt, K. A., Bodilsen, J., Andersen, N. S., Møller, J. K., Roed, C., Christiansen, C. B., Ellermann-Eriksen, S., Bangsborg, Jette Marie, Hansen, K., Benfield, Thomas, Østergaard Andersen, C., Obel, Niels, Lebech, Anne-Mette & Omland, L. H., 2020, In: Clinical Infectious Diseases. 71, 6, p. 1511–1516

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Situational Brief: Migration and Covid-19 in Scandinavian Countries

    Krasnik, Allan, Nørredam, Marie Louise, Diaz, E., Arhadya, Benfield, Thomas, Madar, A. A., Juarez, S. P. & Rostila, M., 2020, In: Lancet Policy Briefs. 10 p.

    Research output: Contribution to journalLetterResearchpeer-review

  39. Published

    Terapeutisk stofmåling af β-laktamantibiotika

    Tanha, N., Bathum, L., Munk, J. K., Frimodt-Møller, N., Andersen, C. Ø. & Benfield, Thomas, 2020, In: Ugeskrift for Laeger. 182, 39, 9 p., V01200066.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Using BCG vaccine to enhance non-specific protection of health care workers during the COVID-19 pandemic: A structured summary of a study protocol for a randomised controlled trial in Denmark

    Madsen, A. M. R., Schaltz-Buchholzer, F., Benfield, T., Bjerregaard-Andersen, M., Dalgaard, L. S., Dam, C., Ditlev, S. B., Faizi, G., Johansen, I. S., Kofoed, P. E., Kristensen, G. S., Loekkegaard, E. C. L., Mogensen, C. B., Mohamed, L., Ostenfeld, A., Oedegaard, E. S., Soerensen, M. K., Wejse, C., Jensen, A. K. G., Nielsen, S. & 4 others, Krause, T. G., Netea, M. G., Aaby, P. & Benn, C. S., 2020, In: Trials. 21, 1, 799.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 926389