Blar i forfatter "Åsberg, Anders"

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    • Blood Pressure Treatment in Kidney Transplant Recipients - Can We Improve? 

      Onsøien, Mari Olsen; Midtvedt, Karsten; Reisæter, Anna Varberg; Aasarød, Knut; Waldum-Grevbo, Bård; Vikse, Bjørn Egil; Eriksen, Bjørn Odvar; Åsberg, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-25)
      <i>Background</i> - Hypertension in kidney transplant (KTx) recipients is common, affecting both patient and graft survival. Annual data from the Norwegian Renal Registry reveal that <50% of adult (>18 y) KTx recipients reach target blood pressure (BP) ≤130/80 mm Hg. The aim of this study was to identify the determinants of failure to achieve BP control.<br><br> <i>Methods</i> - In conjunction ...

    • Elevated Terminal C5b-9 Complement Complex 10 Weeks Post Kidney Transplantation Was Associated With Reduced Long-Term Patient and Kidney Graft Survival 

      Witczak, Bartlomiej J; Pischke, Søren E.; Reisæter, Anna V.; Midtvedt, Karsten; Ludviksen, Judith K; Heldal, Kristian; Jenssen, Trond; Hartmann, Anders; Åsberg, Anders; Mollnes, Tom E. (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-25)
      Background: The major reason for graft loss is chronic tissue damage, as interstitial fibrosis and tubular atrophy (IF/TA), where complement activation may serve as a mediator. The association of complement activation in a stable phase early after kidney transplantation with long-term outcomes is unexplored.<p> <p>Methods: We examined plasma terminal C5b-9 complement complex (TCC) 10 weeks ...

    • Endothelial function after pancreas transplantation - A single-center observational study 

      Nordheim, Espen; Dahle, Dag Olav; Strøm Halden, Thea Anine; Birkeland, Kåre I.; Åsberg, Anders; Hartmann, Anders; Horneland, Rune; Jenssen, Trond Geir (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-02-06)
      <i>Background</i> - Patients with diabetes mellitus treated with successful pancreas transplantation (PTX) normalize hyperglycemia, but are exposed to immunosuppressive drugs that may impair endothelial function. This study aimed to evaluate endothelial function in single PTX recipients.<p><p> <i>Methods</i> - Flow‐mediated dilatation (FMD) in the brachial artery was measured by ultrasound 8 weeks ...

    • Estimert glomerulær filtrasjonshastighet som mål på nyrefunksjon 

      Heldal, Kristian; Åsberg, Anders; Abedini, Sadollah; Jenssen, Trond Geir; Reisæter, Anna Varberg; Bergan, Stein; Hartmann, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-22)
      Estimert glomerulær filtrasjonshastighet er etablert som klinisk rutinemål for nyrefunksjon, men estimatet har begrensninger og kan ikke brukes i alle kliniske situasjoner. Estimert glomerulær filtrasjonshastighet har en høy variasjonskoeffisient, og ved avvik i pasientens høyde, vekt eller muskelmasse kan estimatet bli unøyaktig. Hvis det er avgjørende å ha et nøyaktig mål på nyrefunksjonen, ...

    • Haptoglobin 2-2 Genotype, Patient, and Graft Survival in Renal Transplant Recipients 

      Dupont, Laust; Eide, Ivar Anders; Hartmann, Anders; Christensen, Jeppe Hagstrup; Åsberg, Anders; Jenssen, Trond Geir; Krarup, Henrik; Svensson, My Hanna Sofia (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-22)
      Background:<br> Cardiovascular disease is the leading cause of death in renal transplant recipients (RTRs). An association between haptoglobin genotype 2 - 2 and cardiovascular disease has been found in patients with diabetes mellitus and liver transplant recipients. To date, the role of haptoglobin genotype after renal transplantation has not been studied. <br>Methods:<br> In this single centre ...

    • Inflammation in the early phase after kidney transplantation is associated with increased long-term all-cause mortality 

      Heldal, Torbjørn Fossum; Åsberg, Anders; Ueland, Thor; Reisæter, Anna Varberg; Pischke, Søren Erik; Mollnes, Tom Eirik; Aukrust, Pål; Hartmann, Anders; Heldal, Kristian; Jenssen, Trond (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-30)
      In the general population, low-grade inflammation has been established as a risk factor for all-cause mortality. We hypothesized that an inflammatory milieu beyond the time of recovery from the surgical trauma could be associated with increased long-term mortality in kidney transplant recipients (KTRs). This cohort study included 1044 KTRs. Median follow-up time post-engraftment was 10.3 years. ...

    • Kidney biopsy diagnosis in childhood in the Norwegian Kidney Biopsy Registry and the long-term risk of kidney replacement therapy: a 25-year follow-up 

      Gjerstad, Ann Christin; Skrunes, Rannveig; Tøndel, Camilla; Åsberg, Anders; Leh, Sabine; Klingenberg, Claus Andreas; Døllner, Henrik; Hammarström, Clara Louise; Bjerre, Anna Kristina (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-22)
      Background There is scarce information on biopsy-verifed kidney disease in childhood and its progression to chronic kidney disease stage 5 (CKD 5). This study aims to review biopsy fndings in children, and to investigate risk of kidney replacement therapy (KRT).<p> <p>Methods We conducted a retrospective long-term follow-up study of children included in the Norwegian Kidney Biopsy Registry (NKBR) ...

    • Low level of MAp44, an inhibitor of the lectin complement pathway, and long-term graft and patient survival; a cohort study of 382 kidney recipients 

      Smedbråten, Julia; Mjøen, Geir; Hartmann, Anders; Åsberg, Anders; Rollag, Halvor; Mollnes, Tom Eirik; Sandvik, Leiv; Fagerland, Morten W.; Thiel, Steffen; Sagedal, Solbjørg (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-10-18)
      Background: Higher incidence of malignancy and infectious diseases in kidney transplant recipients is related to immunosuppressive treatment after transplantation and the recipient’s native immune system. The complement system is an essential component of the innate immunity. The aim of the present study was to investigate the association of effector molecules of the lectin complement pathway with ...

    • Outcomes in pancreas transplantation with exocrine drainage through a duodenoduodenostomy versus duodenojejunostomy 

      Lindahl, Jørn Petter Hanto; Horneland, Rune; Nordheim, Espen; Hartmann, Anders; Aandahl, Einar Martin; Grzyb, Krzysztof; Haugaa, Håkon; Kjøsen, Gisle; Åsberg, Anders; Jenssen, Trond Geir (Journal article; Tidsskriftartikkel, 2017-08-23)
      Until recently, pancreas transplantation has mostly been performed with exocrine drainage via duodenojejunostomy (DJ). Since 2012, DJ was substituted with duodenoduodenostomy (DD) in our hospital, allowing endoscopic access for biopsies. This study assessed safety profiles with DD versus DJ procedures and clinical outcomes with the DD technique in pancreas transplantation. DD patients (n = 117; 62 ...

    • Patient selection for islet or solid organ pancreas transplantation: experiences from a multidisciplinary outpatient-clinic approach 

      Nordheim, Espen; Lindahl, Jørn Petter Hanto; Carlsen, Rasmus Kirkeskov; Åsberg, Anders; Birkeland, Kåre I.; Horneland, Rune; Boye, Birgitte; Scholz, Hanne; Jenssen, Trond Geir (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02)
      Objective - β-cell replacement therapy (βCRT), including pancreas transplantation alone (PTA) and islet transplantation (ITX), is a treatment option for selected type 1 diabetes patients. All potential candidates for βCRT in Norway are referred to one national transplant centre for evaluation before any pre-transplant workup is started. This evaluation was performed by a transplant nephrologist alone ...

    • Plasma n-6 Polyunsaturated Fatty Acid Levels and Survival in Renal Transplantation 

      Skaare, Helga; Svensson, My Hanna Sofia; Jenssen, Trond Geir; Åsberg, Anders; Schmidt, Erik Berg; Chandra, Anupam; Ueland, Thor; Mollnes, Tom Eirik; Hartmann, Anders; Eide, Ivar Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-24)
      <p><i>Objective</i>: The major n-6 polyunsaturated fatty acids linoleic acid (LA) and arachidonic acid (AA) play a role in inflammation and glucose metabolism, which could affect patient and renal transplant survival.</p> <p><i>Design and methods</i>: In this single center cohort study of 1988 Norwegian renal transplant recipients, we assessed associations between plasma levels of LA and AA at ...

    • Predicting Tacrolimus Exposure in Kidney Transplanted Patients Using Machine Learning 

      Storås, Andrea; Åsberg, Anders; Halvorsen, Pål; Riegler, Michael Alexander; Strumke, Inga (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-31)
      Tacrolimus is one of the cornerstone immunosup-pressive drugs in most transplantation centers worldwide following solid organ transplantation. Therapeutic drug monitoring of tacrolimus is necessary in order to avoid rejection of the transplanted organ or severe side effects. However, finding the right dose for a given patient is challenging, even for experienced clinicians. Consequently, a tool that ...

    • Systemic inflammation early after kidney transplantation is associated with long-term graft loss: a cohort study 

      Heldal, Torbjørn Fossum; Åsberg, Anders; Ueland, Thor; Reisæter, Anna Varberg; Pischke, Soeren; Mollnes, Tom Eirik; Aukrust, Pål; Reinholt, Finn P.; Hartmann, Anders; Heldal, Kristian; Jenssen, Trond (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-02)
      Background: Early graft loss following kidney transplantation is mainly a result of acute rejection or surgical complications, while long-term kidney allograft loss is more complex. We examined the association between systemic inflammation early after kidney transplantation and long-term graft loss, as well as correlations between systemic inflammation scores and inflammatory findings in biopsies 6 ...

    • Validation of diagnostic utility of fasting plasma glucose and HbA1c in stable renal transplant recipients one year after transplantation 

      Ussif, Mohammed Al-Amin; Åsberg, Anders; Strøm Halden, Thea Anine; Nordheim, Espen; Hartmann, Anders; Jenssen, Trond Geir (Journal article; Peer reviewed, 2019-01-10)
      <b>Background</b><br> The use of HbA1c ≥6.5% for diagnosis of diabetes has been challenged for post-transplantation diabetes mellitus (PTDM) also known as new onset diabetes after transplantation (NODAT) due to a low sensitivity early after renal transplantation. PTDM diagnosed with an oral glucose tolerance test (OGTT) is highly predictable for long-term patient mortality. HbA1c was introduced for ...

    • Visceral fat is strongly associated with post-transplant diabetes mellitus and glucose metabolism 1 year after kidney transplantation 

      Von Düring, Marit Elizabeth; Jenssen, Trond Geir; Bollerslev, Jens; Åsberg, Anders; Godang, Kristin; Hartmann, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-11-16)
      Body composition after kidney transplantation is linked to glucose metabolism, and impaired glucose metabolism is associated with increased risk of cardiovascular events and death. One year after transplantation we examined 150 patients for new-onset diabetes performing OGTTs and body composition measurements including visceral adipose tissue (VAT) content from dual-energy X-ray absorptiometry ...