Nikolai Baastrup Nordsborg

Nikolai Baastrup Nordsborg

Head of Department

ORCID: 0000-0001-7077-9265

Publication year:
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1 - 50 out of 135Page size: 50
  1. 2024
  2. Published

    15 weeks of soccer training increases left ventricular mass and improves indices of left ventricular diastolic function in previously sedentary, mildly hypertensive, middle-aged women

    Sjúrðarson, Tórur, Kyhl, K., Nordsborg, Nikolai Baastrup, Kollslíð, R., Andersen, L. J., Krustrup, P. & Mohr, M., 2024, In: European Journal of Applied Physiology. 124, p. 1621–1629

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Contemporary blood doping: Performance, mechanism, and detection

    Breenfeldt Andersen, A., Nordsborg, Nikolai Baastrup, Bonne, T. C. & Bejder, Jacob, 2024, In: Scandinavian Journal of Medicine & Science in Sports. 34, 1, 15 p., e14243.

    Research output: Contribution to journal › Review › Research › peer-review

  4. Published

    Duplicate measures of hemoglobin mass within an hour: feasibility, reliability, and comparison of three devices in supine position

    Breenfeldt Andersen, A., Bonne, T. C., Nordsborg, Nikolai Baastrup, Holm-Sørensen, H. & Bejder, Jacob, 2024, In: Scandinavian Journal of Clinical and Laboratory Investigation. 84, 1, p. 1-10

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Accepted/In press

    mRNA biomarkers sensitive and specific to micro-dose erythropoietin treatment at sea level and altitude

    Loria, F., Breenfeldt Andersen, A., Bejder, Jacob, Bonne, T., Grabherr, S., Kuuranne, T., Leuenberger, N. & Nordsborg, Nikolai Baastrup, 2024, (Accepted/In press) In: Drug Testing and Analysis.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. 2023
  7. Published

    Changes in immature reticulocytes aid the indirect detection of microdose recombinant erythropoietin use in males and females

    Breenfeldt Andersen, A., Bejder, Jacob, Bonne, T. C., Graae, Jonathan, Seier, S. & Nordsborg, Nikolai Baastrup, 2023, In: Medicine and Science in Sports and Exercise. 55, 9, p. 1695-1705 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Glucocorticoids accelerate erythropoiesis in healthy humans - should the use in sports be reevaluated?

    Nordsborg, Nikolai Baastrup, Bonne, T. C., Breenfeldt Andersen, A., Sørensen, H. & Bejder, Jacob, 2023, In: Medicine and Science in Sports and Exercise. 55, 7, p. 1334-1341 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Accepted/In press

    Long-term continuous exercise training counteracts the negative impact of the menopause transition on cardiometabolic health in hypertensive women: a 9-year RCT follow-up

    Mohr, M., Sjúrðarson, Tórur, Skoradal, M. B., Nordsborg, Nikolai Baastrup & Krustrup, P., 2023, (Accepted/In press) In: Progress in Cardiovascular Diseases.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Microdoses of recombinant human erythropoietin enhance time trial performance in trained males and females

    Breenfeldt Andersen, A., Graae, Jonathan, Bejder, Jacob, Bonne, T. C., Seier, S., Debertin, M., Eibye, K., Hostrup, Morten & Nordsborg, Nikolai Baastrup, 2023, In: Medicine and Science in Sports and Exercise. 55, 2, p. 311-321 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Moderate hypoxic exposure for 4 weeks reduces body fat percentage and increases fat-free mass in trained individuals: a randomized crossover study

    Bonne, T. C., Jeppesen, Jan Sommer, Bejder, Jacob, Breenfeldt Andersen, A., Olsen, N. V., Huertas, J. R. & Nordsborg, Nikolai Baastrup, 2023, In: Sleep and Breathing. 27, 4, p. 1611-1618 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Robust arm and leg muscle adaptation to training despite ACE inhibition: a randomized placebo-controlled trial

    Sjúrðarson, Tórur, Bejder, Jacob, Breenfeldt Andersen, A., Bonne, T. C., Kyhl, K., Thomassen, Martin, Prats Quesada, Júlia, Oddmarsdóttir Gregersen, N., Skoradal, M., Weihe, P., Nordsborg, Nikolai Baastrup & Mohr, M., 2023, In: European Journal of Applied Physiology. 123, 2, p. 325-337 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Serum Insulin-like Factor 3, Testosterone and LH in Experimental and Therapeutic Testicular Suppression

    Albrethsen, J., Østergren, Peter Busch, Norup, P. B., Sønksen, Jens Otto Reimers, Fode, Mikkel Mejlgaard, Kistorp, Caroline Michaela Nervil, Nordsborg, Nikolai Baastrup, Solheim, S. A., Mørkeberg, J., Main, Katharina Maria & Juul, Anders, 2023, In: Journal of Clinical Endocrinology and Metabolism. 108, 11, p. 2834-2839

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    The angiotensin-converting enzyme I/D polymorphism does not impact training-induced adaptations in exercise capacity in patients with stable coronary artery disease

    Sjúrðarson, Tórur, Kristiansen, J., Nordsborg, Nikolai Baastrup, Gregersen, N. O., Lydersen, L. N., Grove, E. L., Kristensen, S. D., Hvas, A. M. & Mohr, M., 2023, In: Scientific Reports. 13, 1, 11 p., 18300.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 2022
  16. Published

    AI-based approach for improving the detection of blood doping in sports

    Rahman, M. R., Bejder, Jacob, Bonne, T. C., Breenfeldt Andersen, A., Huertas, J. R., Aikin, R., Nordsborg, Nikolai Baastrup & Maaß, W., 9 Feb 2022, arxiv.org, p. 1-7, 7 p.

    Research output: Working paper › Preprint › Research

  17. Published

    A single glucocorticoid injection accelerate erythropoiesis but does not improve performance

    Bejder, Jacob, Bonne, T. C., Breenfeldt Andersen, A., Sørensen, H. & Nordsborg, Nikolai Baastrup, 2022, In: F A S E B Journal. 36, Suppl. 1, 1 p., L7503.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  18. Published

    Analysis of dried blood spots is a feasible alternative for detecting ephedrine in doping control

    Solheim, S. A., Thomas, A., Ringsted, T. K., Thevis, M., Breenfeldt Andersen, A., Holm-Sørensen, H., Nordsborg, Nikolai Baastrup & Mørkeberg, J., 2022, In: Drug Testing and Analysis. 14, 10, p. 1685-1695 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Detection of erythropoietin in blood to uncover doping in sports using machine learning

    Rahman, M. R., Bejder, Jacob, Bonne, T. C., Andersen, A. B., Huertas, J. R., Aikin, R., Nordsborg, Nikolai Baastrup & Maass, W., 2022, Proceedings - 2022 IEEE International Conference on Digital Health, ICDH 2022. Ahamed, S. I., Ardagna, C. A., Bian, H., Bochicchio, M., Chang, C. K., Chang, R. N., Damiani, E., Liu, L., Pavel, M., Priami, C., Shahriar, H., Ward, R., Xhafa, F., Zhang, J. & Zulkernine, F. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 193-201 9 p. (IEEE International Conference on Digital Health, Vol. 2022).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  20. Published

    Directly measured aerobic fitness in male Maasai of Tanzania

    Christensen, Dirk Lund, Jørgensen, S. W., Koch, L. S., Nordsborg, Nikolai Baastrup, Sironga, J., Ramaiya, K. L., Larsen, Steen, Brage, S., Bygbjerg, Ib Christian, Maro, V. P. & Helge, Jørn Wulff, 2022, In: American Journal of Human Biology. 34, 4, 12 p., e23674.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Does hypoxia and stress erythropoiesis compromise cardiac function in healthy adults? A randomized trial

    Arrebola-Moreno, A. L., Casuso, R. A., Bejder, Jacob, Bonne, T. C., Breenfeldt Andersen, A., Aragón-Vela, J., Nordsborg, Nikolai Baastrup & Huertas, J. R., 2022, In: Sports Medicine - Open. 8, 7 p., 137.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Effect of angiotensin-converting enzyme inhibition on cardiovascular adaptation to exercise training

    Sjúrðarson, Tórur, Bejder, Jacob, Breenfeldt Andersen, A., Bonne, T., Kyhl, K., Róin, T., Patursson, Poula, Oddmarsdóttir Gregersen, N., Skoradal, M., Schliemann, M., Lindegaard, M., Weihe, P., Mohr, M. & Nordsborg, Nikolai Baastrup, 2022, In: Physiological Reports. 10, 13, 13 p., e15382.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Hepcidin and erythroferrone complement the Athlete Biological Passport in the detection of autologous blood transfusion

    Andersen, A. B., Bejder, Jacob, Bonne, T. C., Sørensen, H., Sørensen, Helle, Jung, G., Ganz, T., Nemeth, E., Secher, Niels H., Johansson, P. I. & Nordsborg, Nikolai Baastrup, 2022, In: Medicine and Science in Sports and Exercise. 54, 9, p. 1604-1616 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Improved metabolic fitness, but no cardiovascular health effects, of a low-frequency short-term combined exercise program in 50-70-year-olds with low fitness: A randomized controlled trial

    Nielsen, T., Møller, T. K. T., Olesen, N. D., Zebis, M. K., Ritz, C., Nordsborg, Nikolai Baastrup, Hansen, Peter Riis & Krustrup, P., 2022, In: European Journal of Sport Science. 22, 3, p. 460-473 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Oxygen uptake during activities of daily life in patients treated with a left ventricular assist device

    Mirza, K. K., Thomas, B., Nordsborg, Nikolai Baastrup, Rossing, K., Boesgaard, S. & Gustafsson, Finn, 2022, In: Journal of Heart and Lung Transplantation. 41, 7, p. 982-990 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Stability and detectability of testosterone esters in dried blood spots after intramuscular injections

    Solheim, S. A., Levernaes, M. C. S., Mørkeberg, J., Juul, Anders, Upners, E. N., Nordsborg, Nikolai Baastrup & Dehnes, Y., 2022, In: Drug Testing and Analysis. 14, 11-12, p. 1926-1937 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. 2021
  28. Published

    A 3-min all-out upper-body ergometer test for competitive swimmers

    Nordsborg, Nikolai Baastrup, Aragón-Vela, J., Bonne, T. & Mohr, M., 2021, In: International Journal of Sports Medicine. 42, 8, p. 724-730 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    An untargeted urine metabolomics approach for autologous blood transfusion detection

    Bejder, Jacob, Gürdeniz, G., Cuparencu, Catalina, Hall, F., Gybel-Brask, M., Andersen, A. B., Dragsted, Lars Ove, Secher, Niels H., Johansson, P. I. & Nordsborg, Nikolai Baastrup, 2021, In: Medicine and Science in Sports and Exercise. 53, 1, p. 236-243 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Cerebral lactate uptake during exercise is driven by the increased arterial lactate concentration

    Siebenmann, C., Sørensen, H., Bonne, T. C., Zaar, M., Aachmann-Andersen, N. J., Nordsborg, Nikolai Baastrup, Nielsen, H. B., Secher, Niels H., Lundby, C. & Rasmussen, P., 2021, In: Journal of Applied Physiology. 131, 6, p. 1824-1830 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Distribution of concurrent training sessions does not impact endurance adaptation

    Kilen, Anders, Bay, J., Bejder, Jacob, Breenfeldt Andersen, A., Bonne, T., Larsen, P., Carlsen, A., Egelund, J., Nybo, Lars, Olsen, N. V., Aachmann-Andersen, N. J., Løvind Andersen, J. & Nordsborg, Nikolai Baastrup, 2021, In: Journal of Science and Medicine in Sport. 24, 3, p. 291-296 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Effects of altitude and recombinant human erythropoietin on iron metabolism: a randomized controlled trial

    Breenfeldt Andersen, A., Bonne, T. C., Bejder, Jacob, Jung, G., Ganz, T., Nemeth, E., Olsen, N. V., Rodriguez Huertas, J. & Nordsborg, Nikolai Baastrup, 2021, In: American Journal of Physiology: Regulatory, Integrative and Comparative Physiology. 321, 2, p. R152-R161 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    EpoR stimulates rapid cycling and larger red cells during mouse and human erythropoiesis

    Hidalgo, D., Bejder, Jacob, Pop, R., Gellatly, K., Hwang, Y., Scalf, S. M., Eastman, A. E., Chen, J., Zhu, L. J., Heuberger, J. A. A. C., Guo, S., Koury, M. J., Nordsborg, Nikolai Baastrup & Socolovsky, M., 2021, In: Nature Communications. 12, 17 p., 7334.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Exercise training complementary to specialised early intervention in patients with first-episode psychosis: a feasibility randomised trial

    Midtgaard, Julie, Schnor, H., Bjerre, E. D., Jespersen, T., Jelsøe, N., Frølund, N., Seier, S., Rønbøg, J. W., Nordsborg, Nikolai Baastrup & Ebdrup, Bjørn, 2021, In: Pilot and Feasibility Studies. 7, 11 p., 162.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Hematological adaptations and detection of recombinant human erythropoietin combined with chronic hypoxia

    Bejder, Jacob, Andersen, A. B., Bonne, T. C., Linkis, J., Olsen, N. V., Huertas, J. R. & Nordsborg, Nikolai Baastrup, 2021, In: Drug Testing and Analysis. 13, 2, p. 360-368 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Immature reticulocytes are sensitive and specific to low-dose erythropoietin treatment at sea level and altitude

    Jeppesen, Jan Sommer, Breenfeldt Andersen, A., Bonne, T. C., Thomassen, Martin, Sørensen, Helle, Nordsborg, Nikolai Baastrup, Olsen, N. V., Huertas, J. R. & Bejder, Jacob, 2021, In: Drug Testing and Analysis. 13, 7, p. 1331-1340 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Muscle contractile characteristics during exhaustive dynamic exercise and recovery

    Rannou, F., Nybo, Lars, Andersen, J. E. & Nordsborg, Nikolai Baastrup, 2021, In: Frontiers in Physiology. 12, 11 p., 660099.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    No pain, just gain: Painless, easy, and fast dried blood spot collection from fingertip and upper arm in doping control

    Solheim, S. A., Ringsted, T. K., Nordsborg, Nikolai Baastrup, Dehnes, Y., Levernaes, M. C. S. & Mørkeberg, J., 2021, In: Drug Testing and Analysis. 13, 10, p. 1783-1790 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Reliability and validity of the SHFT running power meter

    Linkis, J. E., Bonne, T. C., Bejder, Jacob, Rasmussen, E. K., Breenfeldt Andersen, A. & Nordsborg, Nikolai Baastrup, 2021, In: Sensors. 21, 22, 9 p., 7516.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. 2020
  41. Published

    An intramuscular injection of mixed testosterone esters does not acutely enhance strength and power in recreationally active young men

    Solheim, S. A., Mørkeberg, J., Juul, Anders, Freiesleben, S. Y., Upners, E. N., Dehnes, Y. & Nordsborg, Nikolai Baastrup, 2020, In: Frontiers in Physiology. 11, 11 p., 563620.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Beta2-adrenergic agonist clenbuterol increases energy expenditure and fat oxidation, and induces mTOR phosphorylation in skeletal muscle of young healthy men

    Jessen, Søren Kaare, Solheim, S. A., Jacobson, G. A., Eibye, K. H., Bangsbo, Jens, Nordsborg, Nikolai Baastrup & Hostrup, Morten, 2020, In: Drug Testing and Analysis. 12, 5, p. 610-618 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Changes in blood parameters after intramuscular testosterone ester injections - Implications for anti-doping

    Solheim, S. A., Mørkeberg, J., Dehnes, Y., Hullstein, I., Juul, Anders, Upners, E. N. & Nordsborg, Nikolai Baastrup, 2020, In: Drug Testing and Analysis. 12, 8, p. 1019-1030 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Does intermittent exposure to high altitude increase the risk of cardiovascular disease in workers? A systematic narrative review

    Aragón-Vela, J., Bejder, Jacob, Huertas, J. R., Plaza-Diaz, J. & Nordsborg, Nikolai Baastrup, 2020, In: B M J Open. 10, 11, 14 p., 041532.

    Research output: Contribution to journal › Review › Research › peer-review

  45. Published

    Impact of low-volume concurrent strength training distribution on muscular adaptation

    Kilen, Anders, Bay, J., Bejder, Jacob, Andersen, A. B., Bonne, T. C., Larsen, P. D., Carlsen, A., Egelund, J., Nybo, Lars, Mackey, Abigail, Olsen, N. V., Aachmann-Andersen, N. J., Andersen, J. L. & Nordsborg, Nikolai Baastrup, 2020, In: Journal of Science and Medicine in Sport. 23, 10, p. 999-1004 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Repeated Wingate sprints is a feasible high-quality training strategy in moderate hypoxia

    Andersen, A. B., Bejder, Jacob, Bonne, T. C., Olsen, N. V. & Nordsborg, Nikolai Baastrup, 2020, In: P L o S One. 15, 11, 13 p., e0242439.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Reproducibility of the CO rebreathing technique with a lower CO dose and a shorter rebreathing duration at sea level and at 2320 m of altitude

    Oberholzer, L., Bonne, T. C., Breenfeldt Andersen, A., Bejder, Jacob, Højgaard Christensen, R., Nordsborg, Nikolai Baastrup & Lundby, C., 2020, In: Scandinavian Journal of Clinical & Laboratory Investigation. 80, 7, p. 590-599 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Single-dose administration of clenbuterol is detectable in dried blood spots

    Solheim, S. A., Jessen, Søren Kaare, Mørkeberg, J., Thevis, M., Dehnes, Y., Eibye, K., Hostrup, Morten & Nordsborg, Nikolai Baastrup, 2020, In: Drug Testing and Analysis. 12, 9, p. 1366-1372 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    The central blood volume as measured by thoracic electrical impedance and plasma proANP is not compromised by donation of 900 mL of blood in men

    Gybel-Brask, M., Nordsborg, Nikolai Baastrup, Goetze, Jens P. , Johansson, P. I., Secher, Niels H. & Bejder, Jacob, 2020, In: Transfusion Medicine. 30, 6, p. 450-455 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Tramadol does not improve performance or impair motor function in trained cyclists

    Bejder, Jacob, Andersen, A. B., Bonne, T. C., Piil, Jacob Feder, Hagen, L. C. H., Dehnes, Y., Eibye, K. H., Nybo, Lars & Nordsborg, Nikolai Baastrup, 2020, In: Medicine and Science in Sports and Exercise. 52, 5, p. 1169-1175 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. 2019
  52. Published

    Autologous blood transfusion enhances exercise performance - strength of the evidence and physiological mechanisms

    Solheim, S. A., Bejder, Jacob, Breenfeldt Andersen, A., Mørkeberg, J. & Nordsborg, Nikolai Baastrup, 2019, In: Sports Medicine - Open. 5, 11 p., 30.

    Research output: Contribution to journal › Review › Research › peer-review

  53. Published

    Human muscular mitochondrial fusion in athletes during exercise

    Huertas, J. R., Ruiz-Ojeda, F. J., Plaza-Díaz, J., Nordsborg, Nikolai Baastrup, Martín-Albo, J., Rueda-Robles, A. & Casuso, R. A., 2019, In: F A S E B Journal. 33, 11, p. 12087-12098 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Monitoring muscle fatigue progression during dynamic exercise

    Rannou, F., Nybo, Lars, Andersen, J. E. & Nordsborg, Nikolai Baastrup, 2019, In: Medicine and Science in Sports and Exercise. 51, 7, p. 1498-1505 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    Physiological determinants of elite mountain bike cross-country Olympic performance

    Bejder, Jacob, Bonne, T. C., Nyberg, M. P., Sjøberg, K. A. & Nordsborg, Nikolai Baastrup, 2019, In: Journal of Sports Sciences. 37, 10, p. 1154-1161 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Response

    Bejder, Jacob, Andersen, A. B., Solheim, S. A. & Nordsborg, Nikolai Baastrup, 2019, In: Medicine and Science in Sports and Exercise. 51, 7, p. 1569 1 p.

    Research output: Contribution to journal › Comment/debate › Research

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