Personal profile
Main research areas
Arrhytmia; Oral anticoagulants and the risk of thromboembolism and serious bleeding; recurrence of arrhytmia following ablation
Current research
Novel anticoagulants during atrial fibrillation catheter ablation VS vitamin K antagonist; Cryoablation VS radiofrequency ablation in atrial fibrillation; Observing the effect of primary prophylactic ICD treatment; The role of catheter ablation VS antiarrhytmic medication in the management of ventricular tachycardia
Potential conflicts of interest
None
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Collaborations and top research areas from the last five years
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Ablation of cavo-tricuspid isthmus dependent atrial flutter using a focal monopolar pulsed-field ablation catheter: Feasibility, periprocedural coronary spasms and conduction disorders
Farnir, F. I. P., Chaldoupi, S.-M., Hermans, B., Johannessen, A., Haugdal, M. A., Ruwald, M. H., Tasnim Mohaissen, J. G. L. M., Saljic, A., Jerltorp, K., Nissen, S. D., Hertel, J. N., Farnir, F., Jespersen, T., Schotten, U., Luermans, J. G. L. M., Vernooy, K., Hansen, J. & Linz, D., Jan 2026, In: Heart Rhythm. 23, 1, p. 105-113 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
8 Citations (Scopus) -
Effect of Amiodarone after Catheter Ablation According to Left Atrial Structure and Function: The AMIO-CAT Trial
Olsen, F. J., Darkner, S., Chen, X., Pehrson, S., Johannessen, A., Hansen, J., Svendsen, J. H. & Biering-Sørensen, T., 15 Jan 2026, In: The American journal of cardiology. 259, p. 63-70 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
1 Citation (Scopus) -
Electronic nudges to increase influenza vaccination uptake in younger and middle-aged individuals with atrial fibrillation: a prespecified analysis of the NUDGE-FLU-CHRONIC trial
Espersen, C., Johansen, N. D., Vaduganathan, M., Bhatt, A. S., Modin, D., Skaarup, K. G., Chatur, S., Claggett, B. L., Janstrup, K. H., Larsen, C. S., Larsen, L., Wiese, L., Dalager-Pedersen, M., Køber, L., Solomon, S. D., Sivapalan, P., Jensen, J. U. S., Martel, C.J.-M., Krause, T. G. & Hansen, J. & 3 others, , 1 Jan 2026, In: European heart journal open. 6, 1, p. oeaf160 oeaf160.Research output: Contribution to journal › Journal article › Research › peer-review
2 Citations (Scopus) -
Excess Morbidity and Mortality Associated with Seasonal Influenza in Patients with Atrial Fibrillation
Espersen, C., Modin, D., Claggett, B. L., Solomon, S. D., Trebbien, R., Krause, T. G., Stæhr Jensen, J. U., Andersen, M. P., Marcus, G. M., Torp-Pedersen, C., Gislason, G. H., Hansen, J., Johannessen, A. & Biering-Sørensen, T., 10 Jan 2026, (E-pub ahead of print) In: Heart Rhythm.Research output: Contribution to journal › Journal article › Research › peer-review
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Feasibility and midterm effectiveness of focal pulsed field ablation for ventricular arrhythmias
Ruwald, M. H., Johannessen, A., Worck, R., Hansen, M. L., Haugdal, M. & Hansen, J., Jan 2026, In: Heart Rhythm. 23, 1, p. 97-104 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
11 Citations (Scopus)