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Publications by Jens Kjeldsen-Kragh

130 publications found

Original articles

Bjurström MF, Linder YC, Kjeldsen-Kragh J, Bengtsson J, Kander T (2024)
Adherence to a restrictive red blood cell transfusion strategy in critically ill patients: An observational study
Acta Anaesthesiol Scand (in press)
DOI 10.1111/aas.14402, PubMed 38453453

Geisen C, Kjaer M, Fleck E, Skogen B, Armstrong R, Behrens F, Bhagwagar Z, Braeuninger S, Mortberg A, Olsen KJ, Gastón Schäfer SM, Walter C, Seifried E, Wikman A, Kjeldsen-Kragh J, Koehm M (2022)
An HPA-1a-positive platelet-depleting agent for prevention of fetal and neonatal alloimmune thrombocytopenia: a randomized, single-blind, placebo-controlled, single-center, phase 1/2 proof-of-concept study
J Thromb Haemost, 21 (4), 838-849
DOI 10.1016/j.jtha.2022.11.041, PubMed 36696185

Ernstsen SL, Ahlen MT, Johansen T, Bertelsen EL, Kjeldsen-Kragh J, Tiller H (2022)
Antenatal intravenous immunoglobulins in pregnancies at risk of fetal and neonatal alloimmune thrombocytopenia: comparison of neonatal outcome in treated and nontreated pregnancies
Am J Obstet Gynecol, 227 (3), 506.e1-506.e12
DOI 10.1016/j.ajog.2022.04.044, PubMed 35500612

Ljungquist O, Lundgren M, Iliachenko E, Månsson F, Böttiger B, Landin-Olsson M, Wikén C, Rosendal E, Överby AK, Wigren BJ, Forsell MNE, Kjeldsen-Kragh J, Rasmussen M, Kahn F, Holm K (2021)
Convalescent plasma treatment in severely immunosuppressed patients hospitalized with COVID-19: an observational study of 28 cases
Infect Dis (Lond), 54 (4), 283-291
DOI 10.1080/23744235.2021.2013528, PubMed 34878955

Holm K, Lundgren MN, Kjeldsen-Kragh J, Ljungquist O, Böttiger B, Wikén C, Öberg J, Fernström N, Rosendal E, Överby AK, Wigren Byström J, Forsell M, Landin-Olsson M, Rasmussen M (2021)
Convalescence plasma treatment of COVID-19: results from a prematurely terminated randomized controlled open-label study in Southern Sweden
BMC Res Notes, 14 (1), 440
DOI 10.1186/s13104-021-05847-7, PubMed 34863304

Axfors C, Janiaud P, Schmitt AM, Van't Hooft J, Smith ER, Haber NA, Abayomi A, Abduljalil M, Abdulrahman A, Acosta-Ampudia Y, Aguilar-Guisado M, Al-Beidh F, Alejandria MM, Alfonso RN, Ali M, AlQahtani M, AlZamrooni A, Anaya JM, Ang MAC, Aomar IF, Argumanis LE, Averyanov A, Baklaushev VP, Balionis O, Benfield T et al. (2021)
Association between convalescent plasma treatment and mortality in COVID-19: a collaborative systematic review and meta-analysis of randomized clinical trials
BMC Infect Dis, 21 (1), 1170
DOI 10.1186/s12879-021-06829-7, PubMed 34800996

Dahl J, Skogen B, Kjaer M, Husebekk A, Kjeldsen-Kragh J, Tiller H (2020)
A combined effect of anti-HPA-1a and anti-HLA Class I in pregnancy?
Transfusion, 60 (9), 2121-2129
DOI 10.1111/trf.15944, PubMed 32608103

Ahlen MT, Heide G, Husebekk A, Skogen B, Kjeldsen-Kragh J, Stuge TB (2020)
The prevalence of HPA-1a alloimmunization and the potential risk of FNAIT depend on both the DRB3*01:01 allele and associated DR-DQ haplotypes
Scand J Immunol, 92 (1), e12890
DOI 10.1111/sji.12890, PubMed 32299122

Kjeldsen-Kragh J, Titze TL, Lie BA, Vaage JT, Kjær M (2019)
HLA-DRB3*01:01 exhibits a dose-dependent impact on HPA-1a antibody levels in HPA-1a-immunized women
Blood Adv, 3 (7), 945-951
DOI 10.1182/bloodadvances.2019032227, PubMed 30923048

Lieberman L, Greinacher A, Murphy MF, Bussel J, Bakchoul T, Corke S, Kjaer M, Kjeldsen-Kragh J, Bertrand G, Oepkes D, Baker JM, Hume H, Massey E, Kaplan C, Arnold DM, Baidya S, Ryan G, Savoia H, Landry D, Shehata N, International Collaboration for Transfusion Medicine Guidelines (ICTMG) (2019)
Fetal and neonatal alloimmune thrombocytopenia: recommendations for evidence-based practice, an international approach
Br J Haematol, 185 (3), 549-562
DOI 10.1111/bjh.15813, PubMed 30828796

Kjeldsen-Kragh J, Olsen KJ (2019)
Risk of HPA-1a-immunization in HPA-1a-negative women after giving birth to an HPA-1a-positive child
Transfusion, 59 (4), 1344-1352
DOI 10.1111/trf.15152, PubMed 30729532

Sørensen K, Kjeldsen-Kragh J, Husby H, Akkök ÇA (2018)
Determination of fetal RHD type in plasma of RhD negative pregnant women
Scand J Clin Lab Invest, 78 (5), 411-416
DOI 10.1080/00365513.2018.1475681, PubMed 29869532

Benediktsson S, Lazarevic V, Nilsson L, Kjeldsen-Kragh J, Schött U, Kander T (2017)
Linear decline of corrected platelet count increment within 24 hours after platelet transfusion in haematological patients: A prospective observational study
Eur J Haematol, 99 (6), 559-568
DOI 10.1111/ejh.12974, PubMed 28952164

Kjær M, Tiller H, Heide G, Kjeldsen-Kragh J, Skogen B, Husebekk A (2017)
Fetal exposure to maternal human platelet antigen-1a does not induce tolerance. An analytical observational study
PLoS One, 12 (8), e0182957
DOI 10.1371/journal.pone.0182957, PubMed 28837581

Winkelhorst D, Murphy MF, Greinacher A, Shehata N, Bakchoul T, Massey E, Baker J, Lieberman L, Tanael S, Hume H, Arnold DM, Baidya S, Bertrand G, Bussel J, Kjaer M, Kaplan C, Kjeldsen-Kragh J, Oepkes D, Ryan G (2017)
Antenatal management in fetal and neonatal alloimmune thrombocytopenia: a systematic review
Blood, 129 (11), 1538-1547
DOI 10.1182/blood-2016-10-739656, PubMed 28130210

Mörtberg A, Meinke S, Berg P, Killie MK, Kjeldsen-Kragh J, Järås K, Refsum E, Höglund P, Wikman A (2016)
Sensitive detection of platelet-specific antibodies with a modified MAIPA using biotinylated antibodies and streptavidin-coated beads
J Immunol Methods, 434, 9-15
DOI 10.1016/j.jim.2016.04.001, PubMed 27059653

Tenje M, Lundgren MN, Swärd-Nilsson AM, Kjeldsen-Kragh J, Lyxe L, Lenshof A (2015)
Acoustophoretic removal of proteins from blood components
Biomed Microdevices, 17 (5), 95
DOI 10.1007/s10544-015-0003-5, PubMed 26315975

Nissen-Meyer LS, Tjønnfjord GE, Golebiowska E, Kjeldsen-Kragh J, Akkök ÇA (2015)
Paroxysmal nocturnal haemoglobinuria at Oslo University Hospital 2000-2010
Tidsskr Nor Laegeforen, 135 (11), 1039-43
DOI 10.4045/tidsskr.14.0444, PubMed 26080779

Tiller H, Husebekk A, Skogen B, Kjeldsen-Kragh J, Kjaer M (2015)
True risk of fetal/neonatal alloimmune thrombocytopenia in subsequent pregnancies: a prospective observational follow-up study
BJOG, 123 (5), 738-44
DOI 10.1111/1471-0528.13343, PubMed 25752647

Kjeldsen-Kragh J, Skogen B (2013)
Mechanisms and prevention of alloimmunization in pregnancy
Obstet Gynecol Surv, 68 (7), 526-32
DOI 10.1097/OGX.0b013e3182947ce4, PubMed 23803755

Kaur K, Mirlashari MR, Kvalheim G, Kjeldsen-Kragh J (2013)
3',4'-Dimethoxyflavone and valproic acid promotes the proliferation of human hematopoietic stem cells
Stem Cell Res Ther, 4 (3), 60
DOI 10.1186/scrt208, PubMed 23706670

Kander T, Frigyesi A, Kjeldsen-Kragh J, Karlsson H, Rolander F, Schött U (2013)
Bleeding complications after central line insertions: relevance of pre-procedure coagulation tests and institutional transfusion policy
Acta Anaesthesiol Scand, 57 (5), 573-9
DOI 10.1111/aas.12075, PubMed 23336361

Vetlesen A, Mirlashari MR, Akkök CA, Kelher MR, Khan SY, Silliman CC, Kjeldsen-Kragh J (2012)
Biological response modifiers in photochemically pathogen-reduced versus untreated apheresis platelet concentrates
Transfusion, 53 (1), 147-55
DOI 10.1111/j.1537-2995.2012.03681.x, PubMed 22563732

Tiller H, Killie MK, Chen P, Eksteen M, Husebekk A, Skogen B, Kjeldsen-Kragh J, Ni H (2012)
Toward a prophylaxis against fetal and neonatal alloimmune thrombocytopenia: induction of antibody-mediated immune suppression and prevention of severe clinical complications in a murine model
Transfusion, 52 (7), 1446-57
DOI 10.1111/j.1537-2995.2011.03480.x, PubMed 22251227

Mirlashari MR, Randen I, Kjeldsen-Kragh J (2011)
Glycogen synthase kinase-3 (GSK-3) inhibition induces apoptosis in leukemic cells through mitochondria-dependent pathway
Leuk Res, 36 (4), 499-508
DOI 10.1016/j.leukres.2011.11.013, PubMed 22177455

Vetlesen A, Holme PA, Lyberg T, Kjeldsen-Kragh J (2011)
Recovery, survival, and function of transfused platelets and detection of platelet engraftment after allogeneic stem cell transplantation
Transfusion, 52 (6), 1321-32
DOI 10.1111/j.1537-2995.2011.03442.x, PubMed 22084943

Ahlen MT, Husebekk A, Killie MK, Kjeldsen-Kragh J, Olsson ML, Skogen B (2011)
The development of severe neonatal alloimmune thrombocytopenia due to anti-HPA-1a antibodies is correlated to maternal ABO genotypes
Clin Dev Immunol, 2012, 156867
DOI 10.1155/2012/156867, PubMed 22110529

Tiller H, Killie MK, Husebekk A, Skogen B, Ni H, Kjeldsen-Kragh J, Øian P (2011)
Platelet antibodies and fetal growth: maternal antibodies against fetal platelet antigen 1a are strongly associated with reduced birthweight in boys
Acta Obstet Gynecol Scand, 91 (1), 79-86
DOI 10.1111/j.1600-0412.2011.01269.x, PubMed 21895612

Taaning EB, Kjeldsen-Kragh J, Hedegaard M, Hegaard HK, Henriksen TB, Hvas AM, Kjærgaard H, Rasmussen OB (2011)
[Fetal and neonatal alloimmune thrombocytopenia]
Ugeskr Laeger, 173 (34), 2041-4
PubMed 21867657

Husebekk A, Ahlen MT, Killie MK, Tiller H, Eksteen M, Killie IL, Heide G, Kjeldsen-Kragh J, Skogen B, Stuge TB (2010)
Blood group antigens and immune responses-detailed knowledge is necessary to prevent immunization and to follow up immunized individuals
ISBT SCI SER, 5 (1), 24-+
DOI 10.1111/j.1751-2824.2010.01390.x

Husebekk A, Killie MK, Kjeldsen-Kragh J, Skogen B (2009)
Is it time to implement HPA-1 screening in pregnancy?
Curr Opin Hematol, 16 (6), 497-502
DOI 10.1097/MOH.0b013e3283317be9, PubMed 19730261

Kjeldsen-Kragh J, Husebekk A, Killie MK, Skogen B (2008)
Is it time to include screening for neonatal alloimmune thrombocytopenia in the general antenatal health care programme?
Transfus Apher Sci, 38 (3), 183-8
DOI 10.1016/j.transci.2008.04.010, PubMed 18499524

Killie MK, Husebekk A, Kjeldsen-Kragh J, Skogen B (2008)
A prospective study of maternal anti-HPA 1a antibody level as a potential predictor of alloimmune thrombocytopenia in the newborn
Haematologica, 93 (6), 870-7
DOI 10.3324/haematol.12515, PubMed 18443267

Randen I, Sørensen K, Hauge R, Dahlberg AB, Mirlashari MR, Thompson KM, Kjeldsen-Kragh J (2008)
Accurate Rh phenotype determination by reticulocyte mRNA typing shortly after multiple transfusions
Haematologica, 93 (4), 627-30
DOI 10.3324/haematol.11356, PubMed 18326528

Kanhai HH, Porcelijn L, Engelfriet CP, Reesink HW, Panzer S, Ulm B, Goldman M, Bonacossa I, Richard L, David M, Taaning E, Hedegaard M, Kaplan C, Kiefel V, Meyer O, Salama A, Morelati F, Greppi N, Marconi M, Tassis B, Tsuno NH, Takahashi K, Oepkes D, Porcelijn L, Kanhai H et al. (2007)
Management of alloimmune thrombocytopenia
Vox Sang, 93 (4), 370-85
DOI 10.1111/j.1423-0410.2007.00980.x, PubMed 18070283

Pietersz RN, Engelfriet CP, Reesink HW, Wood EM, Winzar S, Keller AJ, Wilson JT, Henn G, Mayr WR, Ramirez-Arcos S, Goldman M, Georgsen J, Morel P, Herve P, Andeu G, Assal A, Seifried E, Schmidt M, Foley M, Doherty C, Coakley P, Salami A, Cadden E, Murphy WG, Satake M et al. (2007)
Detection of bacterial contamination of platelet concentrates
Vox Sang, 93 (3), 260-77
DOI 10.1111/j.1423-0410.2007.00967.x, PubMed 17845264

Widing L, Bechensteen AG, Mirlashari MR, Vetlesen A, Kjeldsen-Kragh J (2007)
Evaluation of nonleukoreduced red blood cell transfusion units collected at delivery from the placenta
Transfusion, 47 (8), 1481-7
DOI 10.1111/j.1537-2995.2007.01287.x, PubMed 17655592

Akkök CA, Brinch L, Lauritzsen GF, Solheim BG, Kjeldsen-Kragh J (2007)
Clinical effect of buffy-coat vs. apheresis platelet concentrates in patients with severe thrombocytopenia after intensive chemotherapy
Vox Sang, 93 (1), 42-8
DOI 10.1111/j.1423-0410.2007.00917.x, PubMed 17547564

Kjeldsen-Kragh J, Killie MK, Tomter G, Golebiowska E, Randen I, Hauge R, Aune B, Øian P, Dahl LB, Pirhonen J, Lindeman R, Husby H, Haugen G, Grønn M, Skogen B, Husebekk A (2007)
A screening and intervention program aimed to reduce mortality and serious morbidity associated with severe neonatal alloimmune thrombocytopenia
Blood, 110 (3), 833-9
DOI 10.1182/blood-2006-08-040121, PubMed 17429009

Killie MK, Kjeldsen-Kragh J, Husebekk A, Skogen B, Olsen JA, Kristiansen IS (2007)
Cost-effectiveness of antenatal screening for neonatal alloimmune thrombocytopenia
BJOG, 114 (5), 588-95
DOI 10.1111/j.1471-0528.2007.01289.x, PubMed 17355359

Raeder S, Utheim TP, Utheim OA, Cai Y, Roald B, Lyberg T, Kjeldsen-Kragh J, Ramstad H, Messelt E, Nicolaissen B (2007)
Effect of limbal explant orientation on the histology, phenotype, ultrastructure and barrier function of cultured limbal epithelial cells
Acta Ophthalmol Scand, 85 (4), 377-86
DOI 10.1111/j.1600-0420.2006.00873.x, PubMed 17263847

Husebekk A, Killie MK, Kjeldsen-Kragh J, Skogen B (2007)
Screening of anti-HPA-1a antibodies in HPA-1a-negative mothers
ISBT SCI SER, 2 (1), 111-+
DOI 10.1111/j.1751-2824.2007.00071.x

Vetlesen A, Mirlashari MR, Ezligini F, Kjeldsen-Kragh J (2007)
Evaluation of platelet activation and cytokine release during storage of platelet concentrates processed from buffy coats either manually or by the automated OrbiSac system
Transfusion, 47 (1), 126-32
DOI 10.1111/j.1537-2995.2007.01075.x, PubMed 17207241

Llohn AH, Vetlesen A, Fagerhol MK, Kjeldsen-Kragh J (2005)
The effect of pre-storage cooling on 2,3-DPG levels in red cells stored in SAG-M
Transfus Apher Sci, 33 (2), 113-8
DOI 10.1016/j.transci.2004.12.002, PubMed 16109505

Vetlesen A, Mirlashari MR, Torsheim IA, Kjeldsen-Kragh J (2005)
Platelet activation and residual activation potential during storage of hyperconcentrated platelet products in two different platelet additive solutions
Transfusion, 45 (8), 1349-55
DOI 10.1111/j.1537-2995.2005.00218.x, PubMed 16078925

Larsen CP, Ezligini F, Hermansen NO, Kjeldsen-Kragh J (2005)
Six years' experience of using the BacT/ALERT system to screen all platelet concentrates, and additional testing of outdated platelet concentrates to estimate the frequency of false-negative results
Vox Sang, 88 (2), 93-7
DOI 10.1111/j.1423-0410.2005.00596.x, PubMed 15720606

Larsen CP, Hermansen NO, Dahl T, Kjeldsen-Kragh J (2004)
Positive BacT/ALERT signal from a platelet concentrate 23 h before the donor was admitted to hospital with Streptococcus pneumoniae septicaemia
Vox Sang, 87 (4), 299-301
DOI 10.1111/j.1423-0410.2004.00568.x, PubMed 15585027

Hervig T, Haugen T, Liseth K, Kjeldsen-Kragh J, Scott CS, Johannessen B (2004)
The platelet count accuracy of platelet concentrates obtained by using automated analysis is influenced by instrument bias and activated platelet components
Vox Sang, 87 (3), 196-203
DOI 10.1111/j.1423-0410.2004.00557.x, PubMed 15569073

Lindemann R, Svenningsen L, Kjeldsen-Kragh J, Stiris TA, Killie MK, Husebekk A (2004)
[Three special cases of pregnancy outcome to reflect about]
Tidsskr Nor Laegeforen, 124 (17), 2244-6
PubMed 15457611

Paunovic D, van der Meer P, Kjeldsen-Kragh J, Kekomaki R, Larsson S, Greppi N, Porretti L, Balint B, Trkuljic M, Nedeljkovic N, Simonovic R, Massaro A, Labanca L, Kora S, Riggert J (2004)
Multicenter evaluation of a whole-blood filter that saves platelets
Transfusion, 44 (8), 1197-203
DOI 10.1111/j.1537-2995.2004.03350.x, PubMed 15265124

Killie MK, Kjeldsen-Kragh J, Randen I, Skogen B, Husebekk A (2004)
Evaluation of a new flow cytometric HPA 1a screening method. A rapid and reliable tool for HPA 1a screening of blood donors and pregnant women
Transfus Apher Sci, 30 (2), 89-92
DOI 10.1016/j.transci.2003.10.004, PubMed 15062744

Rønsen O, Børsheim E, Bahr R, Klarlund Pedersen B, Haug E, Kjeldsen-Kragh J, Høstmark AT (2004)
Immuno-endocrine and metabolic responses to long distance ski racing in world-class male and female cross-country skiers
Scand J Med Sci Sports, 14 (1), 39-48
DOI 10.1111/j.1600-0838.2003.00333.x, PubMed 14723787

Randen I, Hauge R, Kjeldsen-Kragh J, Fagerhol MK (2003)
Prenatal genotyping of RHD and SRY using maternal blood
Vox Sang, 85 (4), 300-6
DOI 10.1111/j.0042-9007.2003.00371.x, PubMed 14633256

Randen I, Sørensen K, Killie MK, Kjeldsen-Kragh J (2003)
Rapid and reliable genotyping of human platelet antigen (HPA)-1, -2, -3, -4, and -5 a/b and Gov a/b by melting curve analysis
Transfusion, 43 (4), 445-50
DOI 10.1046/j.1537-2995.2003.00354.x, PubMed 12662276

Kjeldsen-Kragh J (2003)
Mediterranean diet intervention in rheumatoid arthritis
Ann Rheum Dis, 62 (3), 193-5
DOI 10.1136/ard.62.3.193, PubMed 12594101

Ronsen O, Kjeldsen-Kragh J, Haug E, Bahr R, Pedersen BK (2002)
Recovery time affects immunoendocrine responses to a second bout of endurance exercise
Am J Physiol Cell Physiol, 283 (6), C1612-20
DOI 10.1152/ajpcell.00242.2002, PubMed 12388066

Kjeldsen-Kragh J, Golebiowska E (2002)
Back-priming of the RCM1 leucocyte-reduction filter: consequences for filtration efficacy
Vox Sang, 82 (3), 127-30
DOI 10.1046/j.1423-0410.2002.00154.x, PubMed 11952986

Ronsen O, Pedersen BK, Øritsland TR, Bahr R, Kjeldsen-Kragh J (2001)
Leukocyte counts and lymphocyte responsiveness associated with repeated bouts of strenuous endurance exercise
J Appl Physiol (1985), 91 (1), 425-34
DOI 10.1152/jappl.2001.91.1.425, PubMed 11408460

Fraser DA, Thoen J, Selvaag AM, Djøseland O, Førre O, Kjeldsen-Kragh J (2001)
A preliminary study of circadian serum cortisol concentrations in response to a 72-hour fast in rheumatoid arthritis patients not previously treated with corticosteroids
Clin Rheumatol, 20 (2), 85-7
DOI 10.1007/s100670170075, PubMed 11346236

Hagberg IA, Akkok CA, Lyberg T, Kjeldsen-Kragh J (2000)
Apheresis-induced platelet activation:comparison of three types of cell separators
Transfusion, 40 (2), 182-92
DOI 10.1046/j.1537-2995.2000.40020182.x, PubMed 10686002

Fraser DA, Thoen J, Djøseland O, Førre O, Kjeldsen-Kragh J (2000)
Serum levels of interleukin-6 and dehydroepiandrosterone sulphate in response to either fasting or a ketogenic diet in rheumatoid arthritis patients
Clin Exp Rheumatol, 18 (3), 357-62
PubMed 10895373

Fraser DA, Thoen J, Bondhus S, Haugen M, Reseland JE, Djøseland O, Førre O, Kjeldsen-Kragh J (2000)
Reduction in serum leptin and IGF-1 but preserved T-lymphocyte numbers and activation after a ketogenic diet in rheumatoid arthritis patients
Clin Exp Rheumatol, 18 (2), 209-14
PubMed 10812493

Vetlesen A, Kjeldsen-Kragh J, Tjonnfjord GE (1999)
[Paroxysmal nocturnal hemoglobinuria--diagnosis with the help of flow cytometry]
Tidsskr Nor Laegeforen, 119 (26), 3909-13
PubMed 10592751

Fraser DA, Thoen J, Rustan AC, Førre O, Kjeldsen-Kragh J (1999)
Changes in plasma free fatty acid concentrations in rheumatoid arthritis patients during fasting and their effects upon T-lymphocyte proliferation
Rheumatology (Oxford), 38 (10), 948-52
DOI 10.1093/rheumatology/38.10.948, PubMed 10534544

Kjeldsen-Kragh J (1999)
Rheumatoid arthritis treated with vegetarian diets
Am J Clin Nutr, 70 (3 Suppl), 594S-600S
DOI 10.1093/ajcn/70.3.594s, PubMed 10479237

Samdal HH, Skaug K, Stigum H, Hervig T, Kjeldsen-Kragh J, Skar AG (1999)
[HTLV examination of Norwegian blood donors]
Tidsskr Nor Laegeforen, 119 (2), 206-8
PubMed 10081351

Fraser DA, Thoen J, Reseland JE, Førre O, Kjeldsen-Kragh J (1999)
Decreased CD4+ lymphocyte activation and increased interleukin-4 production in peripheral blood of rheumatoid arthritis patients after acute starvation
Clin Rheumatol, 18 (5), 394-401
DOI 10.1007/s100670050125, PubMed 10524554

Rashid T, Darlington G, Kjeldsen-Kragh J, Forre O, Collado A, Ebringer A (1999)
Proteus IgG antibodies and C-reactive protein in English, Norwegian and Spanish patients with rheumatoid arthritis
Clin Rheumatol, 18 (3), 190-5
DOI 10.1007/s100670050083, PubMed 11206342

Solheim BG, Bergerud UE, Kjeldsen-Kragh J, Brosstad F, Mollnes TE, Högman CF, Eriksson L, Schutz R (1998)
Improved blood preservation with 0.5CPD erythro-sol. Coagulation factor VIII activity and erythrocyte quality after delayed separation of blood
Vox Sang, 74 (3), 168-75
DOI 10.1046/j.1423-0410.1998.7430168.x, PubMed 9595644

Kjeldsen-Kragh J, Sumar N, Bodman-Smith K, Brostoff J (1996)
Changes in glycosylation of IgG during fasting in patients with rheumatoid arthritis
Br J Rheumatol, 35 (2), 117-9
DOI 10.1093/rheumatology/35.2.117, PubMed 8612020

Kjeldsen-Kragh J, Kvaavik E, Bottolfs M, Lingaas E (1995)
Inhibition of growth of Proteus mirabilis and Escherichia coli in urine in response to fasting and vegetarian diet
APMIS, 103 (11), 818-22
DOI 10.1111/j.1699-0463.1995.tb01440.x, PubMed 8546847

Kjeldsen-Kragh J, Rashid T, Dybwad A, Sioud M, Haugen M, Førre O, Ebringer A (1995)
Decrease in anti-Proteus mirabilis but not anti-Escherichia coli antibody levels in rheumatoid arthritis patients treated with fasting and a one year vegetarian diet
Ann Rheum Dis, 54 (3), 221-4
DOI 10.1136/ard.54.3.221, PubMed 7748020

Kjeldsen-Kragh J, Mellbye OJ, Haugen M, Mollnes TE, Hammer HB, Sioud M, Førre O (1995)
Changes in laboratory variables in rheumatoid arthritis patients during a trial of fasting and one-year vegetarian diet
Scand J Rheumatol, 24 (2), 85-93
DOI 10.3109/03009749509099290, PubMed 7747149

Kjeldsen-Kragh J, Hvatum M, Haugen M, Førre O, Scott H (1995)
Antibodies against dietary antigens in rheumatoid arthritis patients treated with fasting and a one-year vegetarian diet
Clin Exp Rheumatol, 13 (2), 167-72
PubMed 7656463

Haugen MA, Kjeldsen-Kragh J, Bjerve KS, Høstmark AT, Førre O (1994)
Changes in plasma phospholipid fatty acids and their relationship to disease activity in rheumatoid arthritis patients treated with a vegetarian diet
Br J Nutr, 72 (4), 555-66
DOI 10.1079/bjn19940059, PubMed 7986787

Kjeldsen-Kragh J, Haugen M, Borchgrevink CF, Førre O (1994)
Vegetarian diet for patients with rheumatoid arthritis--status: two years after introduction of the diet
Clin Rheumatol, 13 (3), 475-82
DOI 10.1007/BF02242946, PubMed 7835013

Chomarat P, Kjeldsen-Kragh J, Quayle AJ, Natvig JB, Miossec P (1994)
Different cytokine production profiles of gamma delta T cell clones: relation to inflammatory arthritis
Eur J Immunol, 24 (9), 2087-91
DOI 10.1002/eji.1830240923, PubMed 8088330

Peltonen R, Kjeldsen-Kragh J, Haugen M, Tuominen J, Toivanen P, Førre O, Eerola E (1994)
Changes of faecal flora in rheumatoid arthritis during fasting and one-year vegetarian diet
Br J Rheumatol, 33 (7), 638-43
DOI 10.1093/rheumatology/33.7.638, PubMed 8019792

Kjeldsen-Kragh J, Haugen M, Førre O, Laache H, Malt UF (1994)
Vegetarian diet for patients with rheumatoid arthritis: can the clinical effects be explained by the psychological characteristics of the patients?
Br J Rheumatol, 33 (6), 569-75
DOI 10.1093/rheumatology/33.6.569, PubMed 8205407

Haugen MA, Kjeldsen-Kragh J, Førre O (1994)
A pilot study of the effect of an elemental diet in the management of rheumatoid arthritis
Clin Exp Rheumatol, 12 (3), 275-9
PubMed 8070160

Dybwad A, Førre O, Kjeldsen-Kragh J, Natvig JB, Sioud M (1993)
Identification of new B cell epitopes in the sera of rheumatoid arthritis patients using a random nanopeptide phage library
Eur J Immunol, 23 (12), 3189-93
DOI 10.1002/eji.1830231222, PubMed 7504991

Kjeldsen-Kragh J, Quayle AJ, Skålhegg BS, Sioud M, Førre O (1993)
Selective activation of resting human gamma delta T lymphocytes by interleukin-2
Eur J Immunol, 23 (9), 2092-9
DOI 10.1002/eji.1830230908, PubMed 8370391

Quayle AJ, Chomarat P, Miossec P, Kjeldsen-Kragh J, Førre O, Natvig JB (1993)
Rheumatoid inflammatory T-cell clones express mostly Th1 but also Th2 and mixed (Th0-like) cytokine patterns
Scand J Immunol, 38 (1), 75-82
DOI 10.1111/j.1365-3083.1993.tb01696.x, PubMed 8101016

Wilson KB, Quayle AJ, Suleyman S, Kjeldsen-Kragh J, Førre O, Natvig JB, Capra JD (1993)
Heterogeneity of the TCR repertoire in synovial fluid T lymphocytes responding to BCG in a patient with early rheumatoid arthritis
Scand J Immunol, 38 (1), 102-12
DOI 10.1111/j.1365-3083.1993.tb01700.x, PubMed 8392222

Haugen MA, Kjeldsen-Kragh J, Skakkebaek N, Landaas S, Sjaastad O, Movinkel P, Førre O (1993)
The influence of fast and vegetarian diet on parameters of nutritional status in patients with rheumatoid arthritis
Clin Rheumatol, 12 (1), 62-9
DOI 10.1007/BF02231561, PubMed 8467614

Kjeldsen-Kragh J, Quayle AJ, Vinje O, Natvig JB, Førre O (1993)
A high proportion of the V delta 1+ synovial fluid gamma delta T cells in juvenile rheumatoid arthritis patients express the very early activation marker CD69, but carry the high molecular weight isoform of the leucocyte common antigen (CD45RA)
Clin Exp Immunol, 91 (2), 202-6
DOI 10.1111/j.1365-2249.1993.tb05883.x, PubMed 8428387

Kjeldsen-Kragh J, Lund JA, Riise T, Finnanger B, Haaland K, Finstad R, Mikkelsen K, Førre O (1992)
Dietary omega-3 fatty acid supplementation and naproxen treatment in patients with rheumatoid arthritis
J Rheumatol, 19 (10), 1531-6
PubMed 1464864

Sioud M, Kjeldsen-Kragh J, Suleyman S, Vinje O, Natvig JB, Førre O (1992)
Limited heterogeneity of T cell receptor variable region gene usage in juvenile rheumatoid arthritis synovial T cells
Eur J Immunol, 22 (9), 2413-8
DOI 10.1002/eji.1830220934, PubMed 1387614

Quayle AJ, Wilson KB, Li SG, Kjeldsen-Kragh J, Oftung F, Shinnick T, Sioud M, Førre O, Capra JD, Natvig JB (1992)
Peptide recognition, T cell receptor usage and HLA restriction elements of human heat-shock protein (hsp) 60 and mycobacterial 65-kDa hsp-reactive T cell clones from rheumatoid synovial fluid
Eur J Immunol, 22 (5), 1315-22
DOI 10.1002/eji.1830220529, PubMed 1577070

Li SG, Quayle AJ, Shen Y, Kjeldsen-Kragh J, Oftung F, Gupta RS, Natvig JB, Førre OT (1992)
Mycobacteria and human heat shock protein-specific cytotoxic T lymphocytes in rheumatoid synovial inflammation
Arthritis Rheum, 35 (3), 270-81
DOI 10.1002/art.1780350305, PubMed 1371388

Sioud M, Kjeldsen-Kragh J, Quayle AJ, Wiker HG, Sørskaar D, Natvig JB, Førre O (1991)
Immune responses to 18.6 and 30-kDa mycobacterial antigens in rheumatoid patients, and V beta usage by specific synovial T-cell lines and fresh T cells
Scand J Immunol, 34 (6), 803-12
DOI 10.1111/j.1365-3083.1991.tb01605.x, PubMed 1836278

Haugen M, Kjeldsen-Kragh J, Nordvåg BY, Førre O (1991)
Diet and disease symptoms in rheumatic diseases--results of a questionnaire based survey
Clin Rheumatol, 10 (4), 401-7
DOI 10.1007/BF02206660, PubMed 1802495

Kjeldsen-Kragh J, Haugen M, Borchgrevink CF, Laerum E, Eek M, Mowinkel P, Hovi K, Førre O (1991)
Controlled trial of fasting and one-year vegetarian diet in rheumatoid arthritis
Lancet, 338 (8772), 899-902
DOI 10.1016/0140-6736(91)91770-u, PubMed 1681264

Kjeldsen-Kragh J, Quayle A, Kalvenes C, Førre O, Sørskaar D, Vinje O, Thoen J, Natvig JB (1990)
T gamma delta cells in juvenile rheumatoid arthritis and rheumatoid arthritis. In the juvenile rheumatoid arthritis synovium the T gamma delta cells express activation antigens and are predominantly V delta 1+, and a significant proportion of these patients have elevated percentages of T gamma delta cells
Scand J Immunol, 32 (6), 651-9
DOI 10.1111/j.1365-3083.1990.tb03207.x, PubMed 2148643

Sioud M, Kjeldsen-Kragh J, Quayle A, Kalvenes C, Waalen K, Førre O, Natvig JB (1990)
The V delta gene usage by freshly isolated T lymphocytes from synovial fluids in rheumatoid synovitis: a preliminary report
Scand J Immunol, 31 (4), 415-21
DOI 10.1111/j.1365-3083.1990.tb02787.x, PubMed 1692153

Kjeldsen-Kragh J, Førre O (1989)
[Diet and rheumatoid arthritis]
Tidsskr Nor Laegeforen, 109 (1), 29-32
PubMed 2643199

Quayle A, Kjeldsen-Kragh J, Førre O, Waalen K, Sioud M, Kalvenes C, Natvig JB (1989)
Immunoregulatory T cell subsets and T cell activation in rheumatoid arthritis. A need for analysis on the clonal and molecular level
Springer Semin Immunopathol, 11 (3), 273-87
DOI 10.1007/BF00197307, PubMed 2575800

Kjeldsen-Kragh J (1988)
Measurement of residual urine volume by means of ultrasonic scanning: a comparative study
Paraplegia, 26 (3), 192-9
DOI 10.1038/sc.1988.30, PubMed 3047635

Review articles

Kjeldsen-Kragh J, Bein G, Tiller H (2023)
Pregnant Women at Low Risk of Having a Child with Fetal and Neonatal Alloimmune Thrombocytopenia Do Not Require Treatment with Intravenous Immunoglobulin
J Clin Med, 12 (17)
DOI 10.3390/jcm12175492, PubMed 37685558

Kjeldsen-Kragh J, Hellberg Å (2022)
Noninvasive Prenatal Testing in Immunohematology-Clinical, Technical and Ethical Considerations
J Clin Med, 11 (10)
DOI 10.3390/jcm11102877, PubMed 35629001

Kjeldsen-Kragh J, Bengtsson J (2020)
Fetal and Neonatal Alloimmune Thrombocytopenia-New Prospects for Fetal Risk Assessment of HPA-1a-Negative Pregnant Women
Transfus Med Rev, 34 (4), 270-276
DOI 10.1016/j.tmrv.2020.09.004, PubMed 33039264

Kjeldsen-Kragh J, Fergusson DA, Kjaer M, Lieberman L, Greinacher A, Murphy MF, Bussel J, Bakchoul T, Corke S, Bertrand G, Oepkes D, Baker JM, Hume H, Massey E, Kaplan C, Arnold DM, Baidya S, Ryan G, Savoia HF, Landry D, Shehata N (2020)
Fetal/neonatal alloimmune thrombocytopenia: a systematic review of impact of HLA-DRB3*01:01 on fetal/neonatal outcome
Blood Adv, 4 (14), 3368-3377
DOI 10.1182/bloodadvances.2020002137, PubMed 32717028

Kjeldsen-Kragh J, Ahlen MT (2019)
Foetal and neonatal alloimmune thrombocytopenia - The role of the HLA-DRB3*01:01 allele for HPA-1a-immunisation and foetal/neonatal outcome
Transfus Apher Sci, 59 (1), 102707
DOI 10.1016/j.transci.2019.102707, PubMed 31919011

Baker JM, Shehata N, Bussel J, Murphy MF, Greinacher A, Bakchoul T, Massey E, Lieberman L, Landry D, Tanael S, Arnold DM, Baidya S, Bertrand G, Kjaer M, Kaplan C, Kjeldsen-Kragh J, Oepkes D, Savoia H, Ryan G, Hume H, International Collaboration for Transfusion Medicine Guidelines (ICTMG) (2019)
Postnatal intervention for the treatment of FNAIT: a systematic review
J Perinatol, 39 (10), 1329-1339
DOI 10.1038/s41372-019-0360-7, PubMed 30971767

Kjaer M, Bertrand G, Bakchoul T, Massey E, Baker JM, Lieberman L, Tanael S, Greinacher A, Murphy MF, Arnold DM, Baidya S, Bussel J, Hume H, Kaplan C, Oepkes D, Ryan G, Savoia H, Shehata N, Kjeldsen-Kragh J, International Collaboration for Transfusion Medicine Guidelines (2018)
Maternal HPA-1a antibody level and its role in predicting the severity of Fetal/Neonatal Alloimmune Thrombocytopenia: a systematic review
Vox Sang, 114 (1), 79-94
DOI 10.1111/vox.12725, PubMed 30565711

Zdravic D, Yougbare I, Vadasz B, Li C, Marshall AH, Chen P, Kjeldsen-Kragh J, Ni H (2016)
Fetal and neonatal alloimmune thrombocytopenia
Semin Fetal Neonatal Med, 21 (1), 19-27
DOI 10.1016/j.siny.2015.12.004, PubMed 26810319

Kjeldsen-Kragh J, Ni H, Skogen B (2012)
Towards a prophylactic treatment of HPA-related foetal and neonatal alloimmune thrombocytopenia
Curr Opin Hematol, 19 (6), 469-74
DOI 10.1097/MOH.0b013e328358f86c, PubMed 22954726

Skogen B, Killie MK, Kjeldsen-Kragh J, Ahlen MT, Tiller H, Stuge TB, Husebekk A (2010)
Reconsidering fetal and neonatal alloimmune thrombocytopenia with a focus on screening and prevention
Expert Rev Hematol, 3 (5), 559-66
DOI 10.1586/ehm.10.49, PubMed 21083473

Skogen B, Husebekk A, Killie MK, Kjeldsen-Kragh J (2009)
Neonatal alloimmune thrombocytopenia is not what it was: a lesson learned from a large prospective screening and intervention program
Scand J Immunol, 70 (6), 531-4
DOI 10.1111/j.1365-3083.2009.02339.x, PubMed 19906194

Kjeldsen-Kragh J (1996)
[The influence of psychological factors on the immune system and immunological diseases]
Tidsskr Nor Laegeforen, 116 (26), 3102-7
PubMed 8999569

Førre O, Waalen K, Natvig JB, Kjeldsen-Kragh J (1988)
Evidence for activation of rheumatoid synovial T lymphocytes--development of rheumatoid T cell clones
Scand J Rheumatol Suppl, 76, 153-60
DOI 10.3109/03009748809102965, PubMed 3075072

Other articles

Ernstsen SL, Kjeldsen-Kragh J, Tiller H (2023)
Fetal and neonatal alloimmune thrombocytopenia in 2022: a response
Am J Obstet Gynecol, 228 (6), 760-761
DOI 10.1016/j.ajog.2023.01.025, PubMed 36736678

Kjeldsen-Kragh J (2019)
Foetal and neonatal alloimmune thrombocytopenia-A rare, potentially serious and often underdiagnosed bleeding condition
Transfus Apher Sci, 59 (1), 102703
DOI 10.1016/j.transci.2019.102703, PubMed 31902682

Kjeldsen-Kragh J (2018)
New elegant methods for maternal and fetal HPA-1a typing
Transfusion, 58 (10), 2253-2254
DOI 10.1111/trf.14954, PubMed 30238992

Kjaer M, Kjeldsen-Kragh J, Fiskum C, Leinan I, Skogen B, Husebekk A (2018)
Screening for fetal and neonatal alloimmune thrombocytopenia - lessons learned from a Norwegian screening program
Acta Obstet Gynecol Scand, 97 (6), 766-767
DOI 10.1111/aogs.13320, PubMed 29412452

Kjeldsen-Kragh J (2017)
Prevention of alloimmunization during pregnancy by prednisone and immunoglobulin G-What is the evidence?
Am J Reprod Immunol, 78 (3)
DOI 10.1111/aji.12697, PubMed 28557047

Pietersz RN, Reesink HW, Panzer S, Oknaian S, Kuperman S, Gabriel C, Rapaille A, Lambermont M, Deneys V, Sondag D, Ramírez-Arcos S, Goldman M, Delage G, Bernier F, Germain M, Vuk T, Georgsen J, Morel P, Naegelen C, Bardiaux L, Cazenave JP, Dreier J, Vollmer T, Knabbe C, Seifried E et al. (2014)
Bacterial contamination in platelet concentrates
Vox Sang, 106 (3), 256-83
DOI 10.1111/vox.12098, PubMed 24654780

Kjeldsen-Kragh J, Husebekk A, Killie MK, Skogen B (2011)
The pathophysiology of FNAIT cannot be deduced from highly selected retrospective data
Blood, 118 (9), 2638-9
DOI 10.1182/blood-2011-06-360404, PubMed 21885616

Kjeldsen-Kragh J, Kim M, Killie MK, Husebekk A, Freedman J, Semple JW (2009)
In HPA 1a-immunized women the decrease in anti-HPA 1a antibody level during pregnancy is not associated with anti-idiotypic antibodies
Haematologica, 94 (3), 441-3
DOI 10.3324/haematol.13827, PubMed 19181783

Killie MK, Kjeldsen-Kragh J, Husebekk A, Skogen B, Olsend JA, Kristiansene IS (2008)
Cost-effectiveness analysis of screening for neonatal alloimmune thrombocytopenia was based on invalid assumption - Reply
BJOG, 115 (3)
DOI 10.1111/j.1471-0528.2007.01612.x

Vetlesen A, Kjeldsen-Kragh J (2007)
Platelet activation during storage of platelet concentrates processed from huffy coats by the automated OrbiSac system - Reply
Transfusion, 47 (8), 1556
DOI 10.1111/j.1537-2995.2007.01355.x

Kjeldsen-Kragh J, Larsen CP, Ezligini F, Hermansen NO (2005)
Bacterial contamination of platelet components: remaining risks after introduction of bacterial screening - authors' reply
Vox Sang., 89 (2), 117
DOI 10.1111/j.1423-0410.2005.00676.x

Engelfriet CP, Reesink HW, Blajchman MA, Muylle L, Kjeldsen-Kragh J, Kekomäki R, Yomtovian R, Höcker P, Stiegler G, Klein HG, Soldan K, Barbara J, Slopecki A, Robinson A, Seyfried H (2000)
Bacterial contamination of blood components
Vox Sang, 78 (1), 59-67
DOI 10.1159/000031151, PubMed 10729814

Kjeldsen-Kragh J, Rashid T, Ebringer A (1995)
Similar anti-Proteus mirabilis titres in P1 positive and P1 negative individuals with rheumatoid arthritis
Ann Rheum Dis, 54 (7), 607
DOI 10.1136/ard.54.7.607-a, PubMed 7668908

Kjeldsen-Kragh J, Peltonen R, Eerola E, Toivanen P, Førre F (1994)
Antibiotics for rheumatoid arthritis
Clin Exp Rheumatol, 12 (1), 91-3
PubMed 8162651

Kjeldsen-Kragh J, Quayle AJ, Førre O (1992)
Role of gamma/delta T cells in rheumatoid inflammation
Arthritis Rheum, 35 (8), 981-2
DOI 10.1002/art.1780350822, PubMed 1386513

Kjeldsen-Kragh J, Haugen M, Fførre O (1992)
Diet therapy in rheumatoid arthritis
Lancet, 339 (8787), 250
DOI 10.1016/0140-6736(92)90059-c, PubMed 1346210

Book chapters

Rønsen O, Børsheim E, Bahr R, Klarlund Pedersen B, Haug E, Kjeldsen-Kragh J, Høstmark AT (2004)
Immuno-endocrine and metabolic responses to long distanceski racing in world-class male and female cross-country skiers
In Scandinavian journal of medicine & science in sports, Munksgaard., Copenhagen, 14(2004)nr 1, S. 39-48
BIBSYS 041087569

Kjeldsen-Kragh J (2003)
Jernbehandling av idrettsutøvere
In Norsk idrettsmedisin, Medborgeren, Oslo, 18(2003)nr 4, S. 18-21
BIBSYS 040027449

Theses

Kjeldsen-Kragh J (1995)
Dietary treatment of rheumatoid arthritis
Oslo Sanitetsforening Rheumatism Hospital, Department of General Practice, University of Oslo, and Institute of Immunology and Rheumatology, The National Hospital : The Norwegian Women's Public Health Association, Oslo, 1 b. (flere pag.)
BIBSYS 951362062, ISBN 82-7722-028-6