Academic article

• Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Ulvik, Arve et al. (2025). Serum Vitamin A Is Associated with Variations in the Relationship between Plasma B6 Vitamers and Cardiovascular Disease Risk. (external link)
• Svenningsson, Mads Malm; Svingen, Gard Frodahl Tveitevåg; Ueland, Per Magne et al. (2025). Elevated plasma trimethyllysine is associated with incident atrial fibrillation. (external link)
• Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Bjørnestad, Espen Øglænd et al. (2023). B-vitamin Treatment Modifies the Mortality Risk Associated with Calcium Channel Blockers in Patients with Suspected Stable Angina Pectoris: A Prospective Cohort Study. (external link)
• Dhar, Indu; Lysne, Vegard; Ulvik, Arve et al. (2023). Plasma methylmalonic acid predicts risk of acute myocardial infarction and mortality in patients with coronary heart disease: A prospective 2-cohort study. (external link)
• Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal et al. (2022). Physical activity and risk of all-cause mortality in patients with stable angina pectoris: Effect modification by β-blocker treatment. (external link)
• Bjørnestad, Espen Øglænd; Dhar, Indu; Svingen, Gard Frodahl Tveitevåg et al. (2022). Circulating trimethylamine N-oxide levels do not predict 10-year survival in patients with or without coronary heart disease. (external link)
• Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Olsen, Thomas et al. (2021). β-blocker use and risk of all-cause mortality in patients with coronary heart disease: effect modification by serum vitamin A. (external link)
• Berg, Åse; Doeland, Herman; Fardal, Hilde et al. (2021). En mann i 80-årene med gangvansker og høy CRP-verdi. (external link)
• Bjørnestad, Espen Øglænd; Dhar, Indu; Svingen, Gard Frodahl Tveitevåg et al. (2021). Trimethyllysine predicts all-cause and cardiovascular mortality in community-dwelling adults and patients with coronary heart disease. (external link)
• Bjørnestad, Espen Øglænd; Olset, Hilde; Dhar, Indu et al. (2020). Circulating trimethyllysine and risk of acute myocardial infarction in patients with suspected stable coronary heart disease. (external link)
• Bjørnestad, Espen Øglænd; Borsholm, Robert Andre; Svingen, Gard Frodahl Tveitevåg et al. (2017). Neopterin as an effect modifier of the cardiovascular risk predicted by total homocysteine: A prospective 2-cohort study. (external link)

Doctoral dissertation

• Bjørnestad, Espen Øglænd (2025). Prognostic value of trimethylamine N-oxide and trimethyllysine in primary and secondary cardiovascular prevention. (external link)

See a complete overview of publications in Cristin.

Dhar I, Svingen GF, Ulvik A, Bjørnestad EØ, Sagen JV, Nygård OK. Serum Vitamin A Is Associated with Variations in the Relationship between Plasma B6 Vitamers and Cardiovascular Disease Risk. J Nutr. 2025 Oct 30:S0022-3166(25)00684-4. doi: 10.1016/j.tjnut.2025.10.036. Epub ahead of print

Svenningsson MM, Svingen GFT, Ueland PM, Tell GS, Bjørnestad EØ, Pedersen ER, Dhar I, Nilsen DW, Nygård O. Elevated plasma trimethyllysine is associated with incident atrial fibrillation. Am J Prev Cardiol. 2025 Jan 14;21:100932. doi: 10.1016/j.ajpc.2025.100932

Dhar I, Svingen GFT, Bjørnestad EØ, Ulvik A, Saeed S, Nygård OK. B-vitamin treatment modifies the mortality risk associated with calcium channel blockers in patients with suspected stable angina pectoris: A prospective cohort study. Am J Clin Nutr. Apr 28:S0002-9165(23)48891-0. doi: 10.1016/j.ajcnut.2023.04.033. Epub ahead of print.

Dhar I, Lysne V, Ulvik A, Svingen GFT, Pedersen ER, Bjørnestad EØ, Olsen T, Borsholm R, Laupsa-Borge J, Ueland PM, Tell GS, Berge RK, Mellgren G, Bønaa K, Nygård O. Plasma methylmalonic acid predicts risk of acute myocardial infarction and mortality in patients with coronary heart disease: A prospective 2-cohort study. J Intern Med. 2023; Apr;293(4):508-519. doi: 10.1111/joim.13610.

Dhar I, Svingen GFT, Pedersen EKR, Ulvik A, Bjørnestad EØ, Dankel S, Mellgren G, Nygård O. Physical activity and risk of all-cause mortality in patients with stable coronary heart disease: effect modification by β-blocker treatment. Int J Cardiol Cardiovasc Risk Prev. 2022 Sep 16;15:200150. doi: 10.1016/j.ijcrp.2022.200150

Bjørnestad EØ, Dhar I, Svingen GFT, Pedersen ER, Ørn S, Svenningsson MM, Tell GS, Ueland PM, Sulo G, Laaksonen R, Nygård O. Circulating trimethylamine N-oxide levels do not predict 10-year survival in patients with or without coronary heart disease. J Intern Med. 2022; 00: 00– 00. https://doi.org/10.1111/joim.13550

Berg Å, Doeland H, Fardal G, Flørenes E, Bjørnestad EØ, Lyngøy AS, Syre H. En mann i 80-årene med gangvansker og høy CRP-verdi. Tidsskr Nor Legeforen, 2021. Sep 30;141(2021-14). doi: 10.4045/tidsskr.21.0240

Bjørnestad EØ, Dhar I, Svingen GFT, Pedersen ER, Svenningsson MM, Tell GS, Ueland PM, Ørn S, Sulo G, Laaksonen R, Nygård O. Trimethyllysine Predicts All-Cause and Cardiovascular Mortality in Community-Dwelling Adults and Patients With Coronary Heart Disease, Eur Heart J Open. 2021; oeab007, https://doi.org/10.1093/ehjopen/oeab007

Dhar I, Svingen GFT, Olsen T, Lysne V, Bjørnestad EØ, Ueland PM, Nygård OK. β-blocker use and risk of all-cause mortality in patients with coronary heart disease: effect modification by serum vitamin A. Eur J Prev Cardiol. 2021;zwaa158, https://doi.org/10.1093/eurjpc/zwaa158

Bjørnestad EØ, Olset H, Dhar I, Løland K, Pedersen EKR, Svingen GFT, Svardal A, Berge RK, Ueland PM, Tell GS, Nilsen DWT, Nordrehaug JE, Nygaard E, Nygård O. Circulating trimethyllysine and risk of acute myocardial infarction in patients with suspected stable coronary heart disease. J Intern Med 2020; 288: 446-456. https://doi.org/10.1111/joim.13067

Bjørnestad EØ, Borsholm RA, Svingen GFT, Pedersen ER, Seifert R, Midttun Ø, Ueland PM, Tell GS, Bønaa KH, Nygård O. Neopterin as an Effect Modifier of the Cardiovascular Risk Predicted by Total Homocysteine: a Prospective Two-Cohort Study. J Am Heart Assoc. 2017;6:e006500