Kristian Heldal

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Visiting address Forskningsveien 3A Harald Schjelderups hus 0373 Oslo
Postal address Postboks 1089 Blindern 0317 Oslo

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Publications

  • Kared, Hassen; Alirezaylavasani, Amin; Lund, Kathrine Persgård; Chopra, Adity; Tietze, Lisa & de Matos Kasahara, Taissa [Show all 17 contributors for this article] (2023). Hybrid and SARS-CoV-2-vaccine immunity in kidney transplant recipients. EBioMedicine. ISSN 2352-3964. 97. doi: 10.1016/j.ebiom.2023.104833. Full text in Research Archive
  • Heldal, Torbjørn Fossum; Åsberg, Anders; Ueland, Thor; Reisæter, Anna Varberg; Pischke, Soeren & Mollnes, Tom Eirik [Show all 11 contributors for this article] (2023). Systemic inflammation early after kidney transplantation is associated with long-term graft loss: a cohort study. Frontiers in Immunology. ISSN 1664-3224. 14. doi: 10.3389/fimmu.2023.1253991. Full text in Research Archive
  • Thorsen, Inga Strand; Bleskestad, Inger Hjørdis; Åsberg, Anders; Jonsson, Grete; Skadberg, Øyvind & Heldal, Kristian [Show all 7 contributors for this article] (2023). Klotho and Fibroblast Growth Factor 23 Are Independent of Vitamin D, and Unlike Vitamin D, Are Not Associated With Graft- and Patient Survival After Kidney Transplantation. Transplantation direct. ISSN 2373-8731. 9(9). doi: 10.1097/TXD.0000000000001522. Full text in Research Archive
  • Åsberg, Anders; Hovd, Markus Herberg; Kjellevold, Stig Arne; Stenehjem, Aud Eldrid; Wien, Tale Norbye & Broch, Lars Ulrik [Show all 15 contributors for this article] (2023). Humoral Response After 6 or More Successive Doses of SARS-CoV-2 mRNA Vaccines in Kidney Transplant Recipients-Should We Keep Vaccinating? Transplantation. ISSN 0041-1337. 107(10), p. e279–e280. doi: 10.1097/TP.0000000000004732. Full text in Research Archive
  • Hovd, Markus Herberg; Åsberg, Anders; Munthe, Ludvig Andre; Heldal, Kristian; Reisæter, Anna Varberg & Vaage, John T. [Show all 8 contributors for this article] (2023). Humoral vaccine response and breakthrough infections in kidney transplant recipients during the COVID-19 pandemic: a nationwide cohort study. EClinicalMedicine. ISSN 2589-5370. 60. doi: 10.1016/j.eclinm.2023.102035. Full text in Research Archive
  • Bjune, Thea; Bøe, Thea Bjerkestrand; Kjellevold, Stig Arne; Heldal, Kristian & Abedini, Sadollah (2023). Hyperkalemia and the use of new potassium binders a singel center experience from Vestfold Norway (The PotBind Study). International Journal of Nephrology and Renovascular Disease. ISSN 1178-7058. 16, p. 73–82. doi: 10.2147/IJNRD.S401623.
  • Tsarpali, Vasiliki; Midtvedt, Karsten; Lønning, Kjersti; Bernklev, Tomm; Åsberg, Anders & Lippe, Nanna von der [Show all 8 contributors for this article] (2022). Poor physical function trajectory predicts impaired patient survival in older recipients of deceased donor kidneys: A prospective cohort study. Transplantation direct. ISSN 2373-8731. 8(11). doi: 10.1097/TXD.0000000000001374. Full text in Research Archive
  • Tsarpali, Vasiliki; Midtvedt, Karsten; Lønning, Kjersti; Bernklev, Tomm; Åsberg, Anders & Fawad, Haris [Show all 10 contributors for this article] (2022). A Comorbidity Index and Pretransplant Physical Status Predict Survival in Older Kidney Transplant Recipients: A National Prospective Study. Transplantation direct. ISSN 2373-8731. 8(4). doi: 10.1097/TXD.0000000000001307. Full text in Research Archive
  • Heldal, Torbjørn Fossum; Åsberg, Anders; Ueland, Thor; Reisæter, Anna Varberg; Pischke, Søren Erik & Mollnes, Tom Eirik [Show all 10 contributors for this article] (2022). Inflammation in the early phase after kidney transplantation is associated with increased long-term all-cause mortality. American Journal of Transplantation. ISSN 1600-6135. 22, p. 2016–2027. doi: 10.1111/ajt.17047. Full text in Research Archive
  • Heldal, Kristian; Åsberg, Anders; Abedini, Sadollah; Jenssen, Trond Geir; Reisæter, Anna Varberg & Bergan, Stein [Show all 7 contributors for this article] (2021). Estimert glomerulær filtrasjonshastighet som mål på nyrefunksjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 142(1), p. 48–51. doi: 10.4045/tidsskr.21.0501. Full text in Research Archive
  • Tsarpali, Vasiliki; Midtvedt, Karsten; Lønning, Kjersti; Bernklev, Tomm; Lippe, Nanna von der & Reisæter, Anna Varberg [Show all 8 contributors for this article] (2021). Health-Related Quality of Life in Older Kidney Transplant Recipients: A National Cohort Study of Short- and Longer-Term Outcomes. Kidney Medicine. 3(6), p. 974–983. doi: 10.1016/j.xkme.2021.05.007. Full text in Research Archive
  • Witczak, Bartlomiej J; Pischke, Søren E.; Reisæter, Anna V.; Midtvedt, Karsten; Ludviksen, Judith K & Heldal, Kristian [Show all 10 contributors for this article] (2021). Elevated Terminal C5b-9 Complement Complex 10 Weeks Post Kidney Transplantation Was Associated With Reduced Long-Term Patient and Kidney Graft Survival. Frontiers in Immunology. ISSN 1664-3224. 12. doi: 10.3389/fimmu.2021.738927. Full text in Research Archive
  • Flemmen, Heidi Øyen; Simonsen, Cecilia Smith; Berg-Hansen, Pål; Moen, Stine Marit; Kersten, Hege & Heldal, Kristian [Show all 7 contributors for this article] (2020). Prevalence of multiple sclerosis in rural and urban districts in Telemark county, Norway. Multiple Sclerosis and Related Disorders. ISSN 2211-0348. 45. doi: 10.1016/j.msard.2020.102352. Full text in Research Archive
  • Petraglia, Lucas & Heldal, Kristian (2019). Kidney Transplant in Elderly. In Musso, Carlos G. (Eds.), Clinical Nephrogeriatrics. Springer. ISSN 978-3-030-18710-1. p. 189–199. doi: 10.1007/978-3-030-18711-8_13.
  • Heldal, Kristian; Midtvedt, Karsten; Lønning, Kjersti; Iversen, Tor; Hernæs, Kjersti Helene & Tsarpali, Vasiliki [Show all 8 contributors for this article] (2019). Kidney transplantation: an attractive and cost-effective alternative for older patients?—a cost–utility study. Clinical Kidney Journal (CKJ). ISSN 2048-8505. 12(6), p. 888–894. doi: 10.1093/ckj/sfz018. Full text in Research Archive
  • Gibbs, Charlotte Christine; Thalamus, Jacob; Kristoffersen, Doris Tove; Svendsen, Martin Veel; Holla, Øystein Lunde & Heldal, Kristian [Show all 8 contributors for this article] (2019). QT prolongation predicts short-term mortality independent of comorbidity. Europace. ISSN 1099-5129. 21(8), p. 1254–1260. doi: 10.1093/europace/euz058. Full text in Research Archive
  • Avilia-Poletti, Debora; de Azevedo, Leticia; Lommi, Candela; Heldal, Kristian & Musso, Carlos G. (2019). Hyperchloremic metabolic acidosis in the kidney transplant patient. Postgraduate medicine. ISSN 0032-5481. 131(3), p. 171–175. doi: 10.1080/00325481.2019.1592360. Full text in Research Archive
  • Lønning, Kjersti; Midtvedt, Karsten; Heldal, Kristian & Andersen, Marit Helen (2018). Older kidney transplantation candidates' expectations of improvement in life and health following kidney transplantation: semistructured interviews with enlisted dialysis patients aged 65 years and older. BMJ Open. ISSN 2044-6055. 8(6). doi: 10.1136/bmjopen-2017-021275. Full text in Research Archive
  • Lønning, Kjersti; Heldal, Kristian; Bernklev, Tomm; Brunborg, Cathrine; Andersen, Marit Helen & Lippe, Nanna von der [Show all 10 contributors for this article] (2018). Improved Health-Related Quality of Life in Older Kidney Recipients 1 Year After Transplantation. Transplantation direct. ISSN 2373-8731. doi: 10.1097/TXD.0000000000000770. Full text in Research Archive
  • Heldal, Kristian; Midtvedt, Karsten; Hartmann, Anders; Reisæter, Anna Varberg; Heldal, Torbjørn Fossum & Bergan, Stein [Show all 8 contributors for this article] (2018). Estimated glomerular filtration rate in stable older kidney transplant recipients-are present algorithms valid? A national cross-sectional cohort study. Transplant International. ISSN 0934-0874. 31(6), p. 629–638. doi: 10.1111/tri.13137. Full text in Research Archive
  • Lønning, Kjersti; Midtvedt, Karsten; Bernklev, Tomm; Brunborg, Cathrine; Andersen, Marit Helen & Lippe, Nanna von der [Show all 10 contributors for this article] (2018). Changes in health related quality of life in older candidates waiting for kidney transplantation. Nephrology. ISSN 1320-5358. 23(10), p. 948–956. doi: 10.1111/nep.13117.
  • Gibbs, Charlotte; Thalamus, Jacob; Heldal, Kristian; Holla, Øystein Lunde; Haugaa, Kristina & Hysing, Jan (2017). Predictors of mortality in high-risk patients with QT prolongation in a community hospital. Europace. ISSN 1099-5129. 20(1), p. f99–f107. doi: 10.1093/europace/eux286.
  • Heldal, Kristian; Hartmann, Anders; Lønning, Kjersti; Leivestad, Torbjørn; Reisæter, Anna Varberg & Line, Pål Dag [Show all 8 contributors for this article] (2017). Should patients older than 65 years be offered a second kidney transplant? BMC Nephrology. ISSN 1471-2369. 18(13). doi: 10.1186/s12882-016-0426-0. Full text in Research Archive
  • Lønning, Kjersti; Midtvedt, Karsten; Leivestad, Torbjørn; Reisæter, Anna Varberg; Line, Pål Dag & Hartmann, Anders [Show all 7 contributors for this article] (2016). Are Octogenarians with End-Stage Renal Disease Candidates for Renal Transplantation? Transplantation. ISSN 0041-1337. 100(12), p. 2705–2709. doi: 10.1097/TP.0000000000001363.
  • Midtvedt, Karsten; Lønning, Kjersti & Heldal, Kristian (2014). Managing End-Stage Renal Disease in Older Patients: A Single Centre Experience with Renal Transplantation in the Elderly. Advances in Nephrology. ISSN 2356-6779. 2014:516381. doi: 10.1155/2014/516381.
  • Heldal, Kristian & Midtvedt, Karsten (2013). Managing Transplant Rejection in the Elderly: The Benefits of Less Aggressive Immunosuppressive Regimens. Drugs & Aging. ISSN 1170-229X. 30(7), p. 459–466. doi: 10.1007/s40266-013-0082-z.
  • Heldal, Kristian; Thorarinsdottir, Solveig; Hartmann, Anders; Leivestad, Torbjørn; Reisæter, Anna Varberg & Foss, Aksel [Show all 7 contributors for this article] (2013). Induction with interleukin-2 antagonist for transplantation of kidneys from older deceased donors: an observational study. Transplantation Research. ISSN 2047-1440. 2. doi: 10.1186/2047-1440-2-11.
  • Åsberg, Anders; Apeland, Terje; Reisæter, Anna Varberg; Foss, Aksel; Leivestad, Torbjørn & Heldal, Kristian [Show all 9 contributors for this article] (2013). Long-term outcomes after cyclosporine or mycophenolate withdrawal in kidney transplantation – results from an aborted trial. Clinical Transplantation. ISSN 0902-0063. 27(2), p. E151–E156. doi: 10.1111/ctr.12076.
  • Heldal, Kristian; Hartmann, Anders; Leivestad, Torbjørn; Lien, Bjørn; Foss, Aksel & Midtvedt, Karsten (2011). Nyretransplantasjon er et alternativ også for pasienter over 70 år. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 20(131), p. 2004–2007. doi: 10.4045/tidsskr.10.1391.
  • Heldal, Kristian; Hartmann, Anders; Leivestad, Torbjørn; Foss, Aksel & Midtvedt, Karsten (2011). Risk variables associated with the outcome of kidney recipients &gt; 70 years of age in the new millennium. Nephrology, Dialysis and Transplantation. ISSN 0931-0509. 26(8), p. 2706–2711. doi: 10.1093/ndt/gfq786.
  • Heldal, Kristian; Hartmann, Anders; Grootendorst, DC; de Jager, DJ; Leivestad, Torbjørn & Foss, Aksel [Show all 7 contributors for this article] (2010). Benefit of kidney transplantation beyond 70 years of age. Nephrology, Dialysis and Transplantation. ISSN 0931-0509. 25(5), p. 1680–1687. doi: 10.1093/ndt/gfp681.
  • Heldal, Kristian; Hartmann, Anders; Leivestad, Torbjørn; Svendsen, MV; Foss, Aksel & Lien, Bjørn [Show all 7 contributors for this article] (2009). Clinical Outcomes in Elderly Kidney Transplant Recipients are Related to Acute Rejection Episodes Rather Than Pretransplant Comorbidity. Transplantation. ISSN 0041-1337. 87(7), p. 1045–1051. doi: 10.1097/TP.0b013e31819cdddd.
  • Foss, Aksel; Heldal, Kristian; Scott, H; Foss, S; Leivestad, T & Jorgensen, PF [Show all 8 contributors for this article] (2009). Kidneys From Deceased Donors More Than 75 Years Perform Acceptably After Transplantation. Transplantation. ISSN 0041-1337. 87(10), p. 1437–1441. doi: 10.1097/TP.0b013e3181a4ebd2.
  • Heldal, Kristian; Leivestad, Torbjørn; Hartmann, Anders; Svendsen, Martin Veel; Lien, Bjørn H. & Midtvedt, Karsten (2008). Kidney transplantation in the elderly - the Norwegian experience. Nephrology, Dialysis and Transplantation. ISSN 0931-0509. 23(3), p. 1026–1031. doi: 10.1093/ndt/gfm719.

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  • Heldal, Kristian (2024). Nyrefysiologi for «alle». Tidsskrift for Den norske legeforening. ISSN 0029-2001. 144(1), p. 1–2. doi: 10.4045/tidsskr.23.0781.
  • Gripheim, Janne Marlene; Åsberg, Anders; Hagness, Morten; Heldal, Kristian & Midtvedt, Karsten (2023). Nyretransplantasjon – en pågående suksesshistorie. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 143(11). doi: 10.4045/tidsskr.23.0383.
  • Skauby, Morten Heier; Heldal, Kristian; Line, Pål Dag; SØRENSEN, DAG WENDELBO; Fiane, Arnt Eltvedt & Hagness, Morten (2023). Lengre ventelister for organtransplantasjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 143(9). doi: 10.4045/tidsskr.22.0777.
  • Midtvedt, Karsten; Vaage, John T.; Heldal, Kristian; Munthe, Ludvig Andre; Lund-Johansen, Fridtjof & Åsberg, Anders (2022). Fourth dose of the SARS-CoV-2 vaccine in kidney transplant recipients with previously impaired humoral antibody response. American Journal of Transplantation. ISSN 1600-6135. doi: 10.1111/ajt.17091.
  • Heldal, Kristian (2021). Nyretransplantasjon før og nå. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(18). doi: 10.4045/tidsskr.21.0779.
  • Fosheim, Ingrid Knutsdotter; Hårvig, Karina Roheim; Heldal, Kristian; Mariathasan, Anthony Burton; Lundesgaard, Kristoffer & BENTERUD, BJØRN PETTER [Show all 9 contributors for this article] (2021). En ung kvinne som ikke våknet etter omfattende operasjon. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 141(15), p. 1–8. doi: 10.4045/tidsskr.21.0184.
  • Thalamus, Jacob; Gibbs, Charlotte Christine; Topper, Magnus; Østvold, Christian; Heldal, Kristian & Solli, Jan Dag [Show all 10 contributors for this article] (2020). The prognostic impact of coronary calcium score in low risk patients presenting with chest pain. A 6-year follow-up single center study .
  • Tsarpali, Vasiliki; Lønning, Kjersti; Midtvedt, Karsten; Bernklev, Tomm; Von der Lippe, Nanna & Andersen, Marit Helen [Show all 7 contributors for this article] (2019). Getting Life Back »-Kidney Transplantation in the Elderly Patient.
  • Tsarpali, Vasiliki; Lønning, Kjersti; Midtvedt, Karsten; Bernklev, Tomm; Von der Lippe, Nanna & Andersen, Marit Helen [Show all 7 contributors for this article] (2019). « Getting Life Back »-Kidney Transplantation in the Elderly Patient.
  • Heldal, Kristian; Ellingsen, Mette; Broch, Lars Ulrik; Sundseth, Julie; Hussein, Hardi Tofiq Hama & Lyngdal, Per Tore [Show all 7 contributors for this article] (2019). Norgesmester i hjemmedialyse. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(13). doi: 10.4045/tidsskr.19.0301.
  • Midtvedt, Karsten & Heldal, Kristian (2014). Chronic Kidney Disease and the Aging Population. Transplantation. ISSN 0041-1337. 97(11). doi: 10.1097/TP.0000000000000172.
  • Heldal, Kristian; Lønning, Kjersti & Midtvedt, Karsten (2013). QUESTION65-A LONGITUDINAL STUDY DESCRIBING HRQOL IN ESRD PATIENTS OVER 65 YEARS LISTED FOR KIDNEY TRANSPLANTATION. Transplant International. ISSN 0934-0874. 26, p. 268–268.
  • Heldal, Kristian & Midtvedt, Karsten (2012). Doctor, Should I Remain on Dialysis of Accept the ECD Kidney Offered to Me? American Journal of Kidney Diseases. ISSN 0272-6386. 59(6), p. 748–750. doi: 10.1053/j.ajkd.2012.03.002.
  • Heldal, Kristian; Hartmann, Anders; Leivestad, Torbjørn; Svendsen, Mette; Lien, Bjørn & Midtvedt, Karsten (2008). Premature patient death in kidney transplant recipients over 70 years of age is not predicted by scoring of co-morbidity AT transplantation. American Journal of Transplantation. ISSN 1600-6135. 8, p. 364–364.
  • Heldal, Kristian; Leivestad, Torbjørn; Hartmann, Anders; Lien, Bjørn H.; Svendsen, Martin Veel & Midtvedt, Karsten (2007). Renal transplantation in geriatric patients - Is it madness or worthwhile? A single centre experience with 102 patients beyond 75 years of age. Transplant International. ISSN 0934-0874. 20, p. 188–188.
  • Heldal, Kristian; Leivestad, Torbjørn; Hartmann, Anders; Svendsen, Martin Veel & Midtvedt, Karsten (2007). Kidney transplantation beyond 70 years - Is it worthwhile? A single centre experience with 301 patients over a time period of 16 years. Nephrology, Dialysis and Transplantation. ISSN 0931-0509. 22, p. 376–376.
  • Heldal, Kristian; Leivestad, Torbjørn; Hartmann, Anders; Svendsen, Martin Veel & Midtvedt, Karsten (2007). Dialysis for more than 12 months prior to renal transplantation is an independent risk factor for real old kidney recipients - Data from 271 recipients &gt; 70 years old. Nephrology, Dialysis and Transplantation. ISSN 0931-0509. 22, p. 379–379.
  • Heldal, Kristian (2010). Kidney transplantation in the elderly. Unipub forlag. ISSN 978-82-8072-590-5.

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Published June 8, 2022 8:19 AM - Last modified June 8, 2022 8:19 AM