Now showing items 681-700 of 1974

    • Sperm mitochondrial DNA copy numbers in normal and abnormal semen analysis: A systematic review and meta-analysis 

      Popova, Daria; Bhide, Priya; D’Antonio, Francesco; Basnet, Purusotam; Acharya, Ganesh (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-25)
      Background: Normal mature sperm have a considerably reduced number of mitochondria, which provide the energy required for progressive sperm motility. Literature suggests that disorders of sperm motility may be linked to abnormal sperm mitochondrial number and function.<p> <p>Objectives: To summarise the evidence from literature regarding the association of mitochondrial DNA copy numbers and semen ...
    • Serological evidence of hepatitis e virus infection in semi-domesticated eurasian tundra reindeer (Rangifer tarandus tarandus) in norway 

      Rinaldo, Christine Hanssen; Nymo, Ingebjørg Helena; Sanchez Romano, Javier; Breines, Eva Marie; Murguzur, Francisco Javier Ancin; Tryland, Morten (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-25)
      Hepatitis E virus (HEV) is a common cause of viral hepatitis in humans. In developing countries, HEV-infections seem to be mainly associated with pigs, but other animal species may be involved in viral transmission. Recently, anti-HEV antibodies were detected in Norwegian wild reindeer. Here, we investigated anti-HEV seroprevalence in Norwegian semi-domesticated reindeer, animals in closer contact ...
    • No significant histological or ultrastructural tendinosis changes in the hamsting tendon in patients with mild to moderate osteoarthritis of the knee? 

      Ibrahim, Mustafa; Meknas, Khaled; Steigen, Sonja Eriksson; Olsen, Randi; Sernert, Ninni; Ejerhed, Lars; Kartus, Juri-Toomas (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-06-20)
      Purpose To investigate the periarticular degenerative changes of the knee joint in association with osteoarthritis (OA). More tendinosis was expected to be found in the semitendinosus tendon in patients with knee OA than in patients without knee OA.<p> Methods Samples from 41 patients were included between January 2016 and October 2017. Twenty-one patients median age 53 (33–63) years with mild ...
    • Coma influence on manifest astigmatism in coma-dominant irregular corneal optics 

      Zhou, Wen; Stojanovic, Filip; Reinstein, Dan Z.; Archer, Timothy J.; Chen, Xiangjun; Feng, Yue; Stojanovic, Aleksandar (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-01)
      PURPOSE:To evaluate the influence of coma on manifest refractive cylinder (MRC) in eyes with coma-dominated corneal optics and suggest alternative guidelines for surgical planning of astigmatism correction in topography-guided ablation and toric intraocular lens (IOL) exchange surgery.<p> <p>METHODS:Twelve eyes with coma-dominant corneal optics and low lenticular astigmatism were selected. The ...
    • Investigating novel biomarkers of immune activation and modulation in the context of sedentary behaviour: a multicentre prospective ischemic stroke cohort study 

      Alme, Katinka Nordheim; Askim, Torunn; Assmus, Jörg; Mollnes, Tom Eirik; Naik, Mala; Næss, Halvor; Saltvedt, Ingvild; Ueland, Per-Magne; Ulvik, Arve; Knapskog, Anne-Brita (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-16)
      Background - Sedentary behaviour is associated with disease, but the molecular mechanisms are not understood. Valid biomarkers with predictive and explanatory properties are required. Therefore, we have investigated traditional and novel biomarkers of inflammation and immune modulation and their association to objectively measured sedentary behaviour in an ischemic stroke population.<p> <p>Methods ...
    • Impact of a Vancomycin-Induced Shift of the Gut Microbiome in a Gram-Negative Direction on Plasma Factor VIII:C Levels: Results from a Randomized Controlled Trial 

      Grimnes, Gro; Bhoelan, Soerajja; Hindberg, Kristian; Davids, Mark; Nieuwdorp, Max; Mollnes, Tom E.; Michelsen, Annika Elisabet; Ueland, Thor; Brækkan, Sigrid K.; Hansen, John-Bjarne; Tichelaar, Ynse Ieuwe Gerardus Vladimir (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-24)
      Rationale - Inflammation is present in several conditions associated with risk of venous thromboembolism. The gut microbiome might be a source of systemic inflammation and activation of coagulation, by translocation of lipopolysaccharides from gram-negative bacteria to the systemic circulation.<p> <p>Objective - To investigate whether a vancomycin-induced shift of the gut microbiome in a gram-negative ...
    • Elevated plasma concentration of complement factor C5 is associated with risk of future venous thromboembolism 

      Skjeflo, Espen Waage; Brækkan, Sigrid Kufaas; Ludviksen, Judith K; Snir, Omri; Hindberg, Kristian; Mollnes, Tom Eirik; Hansen, John-Bjarne (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-25)
      The role of complement in the pathogenesis of venous thromboembolism (VTE) is unclear. We wanted to investigate (1) whether plasma complement component C5 (C5) levels are influenced by genetic variants or chronic inflammation and (2) the association between plasma C5 and risk of future VTE in a nested case-control study of 415 patients with VTE and 848 age- and sex-matched controls derived from the ...
    • Antirheumatic therapy is not associated with changes in circulating N-terminal pro-brain natriuretic peptide levels in patients with autoimmune arthritis 

      Nguyen, Thao H.P.; Fagerland, Morten; Deyab, Gia; Hjeltnes, Gunnbjørg; Hollan, Ivana; Feinberg, Mark W.; Eilertsen, Gro Østli; Mikkelsen, Knut; Agewall, Stefan (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-25)
      Background: Patients with autoimmune arthritis (AA) are at increased risk for impaired cardiac function and heart failure. This may be partly due to the effect of inflammation in heart function. The impact of antirheumatic drugs on cardiac dysfunction in AA remains controversial. Therefore, we aimed to examine effects of antirheumatic treatment on serum N-terminal pro-brain natriuretic peptide ...
    • Antibiotic Use in Term and Near-Term Newborns 

      Mundal, Håkon S.; Rønnestad, Arild Erland; Klingenberg, Claus Andreas; Stensvold, Hans Jørgen; Størdal, Ketil (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-01)
      OBJECTIVES - We aimed to study whether national and local antibiotic stewardship projects have reduced the antibiotic use in newborns and to monitor potential changes in adverse outcomes.<p> <p>METHODS - In a nationwide, population-based study from Norway, we included all hospital live births from 34 weeks' gestation (n = 282 046) during 2015 to 2019. The primary outcome was the proportion of ...
    • Iohexol Plasma Clearance: Impact of Weighing the Syringe 

      Delanaye, Pierre; Melsom, Toralf; Cavalier, Etienne; Pottel, Hans; Eriksen, Bjørn Odvar; Dubourg, Laurence (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-05)
      Measured glomerular filtration rate (mGFR) measurement is necessary in specific patients and/or specific clinical contexts.1–3 Plasma clearances are the preferred methods, as they are less costly and cumbersome than urinary clearances.4 The contrast medium iohexol is the most commonly used worldwide, partly for pragmatic reasons, as this marker is stable, not radioactive, and its measurement ...
    • Molecular differences of adipose-derived mesenchymal stem cells between non-responders and responders in treatment of transphincteric perianal fistulas 

      Tencerova, Michaela; Lundby, Lilli; Norderval, Stig; Hougaard, Helene Tarri; Pedersen, Bodil Ginnerup; Kassem, Moustapha (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-24)
      Background: Injection of autologous adipose tissue (AT) has recently been demonstrated to be an efective and safe treatment for anal fstulas. AT mesenchymal stem cells (AT-MSCs) mediate the healing process, but the relationship between molecular characteristics of AT-MSCs of the injected AT and fstula healing has not been adequately studied. Thus we aimed to characterize the molecular and functional ...
    • Quantitation of linear and branched perfluoroalkane sulfonic acids (PFSAs) in women and infants during pregnancy and lactation 

      Varsi, Kristin; Huber, Sandra; Averina, Maria; Brox, Jan; Monsen, Anne-Lise Bjørke (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-24)
      Background: Per- and polyfluoroalkyl substances (PFAS) are associated with negative health effects, and exposure during fetal life and infancy are of concern. A subgroup of PFAS, linear and branched perfluoroalkane sulfonic acids (PFSA), have significant differences in biochemical reactions, bioaccumulation and potential toxic exposure effects, and data on transfer of PFSA isomers from mother to ...
    • Combined effects of plasma von Willebrand factor and platelet measures on the risk of incident venous thromboembolism 

      Edvardsen, Magnus; Hansen, Ellen-Sofie; Hindberg, Kristian; Morelli, Vania Maris; Ueland, Thor; Aukrust, Pål; Brækkan, Sigrid Kufaas; Holtet Evensen, Line; Hansen, John Bjarne (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-23)
      Plasma von Willebrand factor (VWF) and platelet reactivity are risk factors for venous thromboembolism (VTE), and VWF can promote hemostasis by interaction with platelets. In this study, we explored the combined effects of plasma VWF and platelet measures on the risk of incident VTE. A population-based nested case-control study with 403 cases and 816 controls was derived from the Tromsø Study. VWF, ...
    • Blood pressure-lowering treatment for the prevention of cardiovascular events in patients with atrial fibrillation: An individual participant data meta-analysis 

      Pinho-Gomes, Ana-Catarina; Azevedo, Luís; Copland, Emma; Canoy, Dexter; Nazarzadeh, Milad; Ramakrishnan, Rema; Berge, Eivind; Sundström, Johan; Kotecha, Dipak; Woodward, Mark; Teo, Koon K.; Davis, Barry R.; Chalmers, John; Pepine, Carl; Rahimi, Kazem (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-01)
      Purpose: To evaluate the influence of coma on manifest refractive cylinder (MRC) in eyes with coma-dominated corneal optics and suggest alternative guidelines for surgical planning of astigmatism correction in topography-guided ablation and toric intraocular lens (IOL) exchange surgery.<p> <p>Methods: Twelve eyes with coma-dominant corneal optics and low lenticular astigmatism were selected. The ...
    • One-Year Remission Rate of Chronic Headache Comparing Video and Face-to-Face Consultations by Neurologist: Randomized Controlled Trial 

      Bekkelund, Svein Ivar; Müller, Kai Ivar (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-13)
      Background: Chronic headache causing severe headache-related disability for those affected by the disease is under- or misdiagnosed in many cases and therefore requires easy access to a specialist for optimal health care management.<p> <p>Objective: The goal of the research is to determine whether video consultations are noninferior to face-to-face consultations in treating chronic headache ...
    • Serum miR371 in testicular germ cell cancer before and after orchiectomy, assessed by digital-droplet PCR in a prospective study 

      Myklebust, Mette Pernille; Thor, Anna; Rosenlund, Nina Benedikte; Gjengstø, Peder; Karlsdottir, Åsa; Brydøy, Marianne; Bercea, Bogdan Stefan; Olsen, Christian; Johnson, Ida; Berg, Mathilde I.; Langberg, Carl; Andreassen, Kristine; Kjellman, Anders; Haugnes, Hege Sagstuen; Dahl, Olav (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-02)
      MicroRNA-371a-3p (miR371) has been suggested as a sensitive biomarker in testicular germ cell cancer (TGCC). We aimed to compare miR371 with the classical biomarkers α-fetoprotein (AFP) and β-human chorionic gonadotropin (hCG<sub>β</sub>). Overall, 180 patients were prospectively enrolled in the study, with serum samples collected before and after orchiectomy. We compared the use of digital droplet ...
    • M-ficolin: a valuable biomarker to identify leukaemia from juvenile idiopathic arthritis 

      Brix, Ninna; Glerup, Mia; Thiel, Steffen; Mistegaard, Clara Elbæk; Skals, Regitze Gyldenholm; Berntson, Lillemor; Fasth, Anders; Nielsen, Susan Mary; Nordal, Ellen Berit; Rygg, Marite; Hasle, Henrik; Albertsen, Birgitte Klug; Herlin, Troels (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-22)
      Objective: Distinction on clinical grounds between acute lymphoblastic leukaemia presenting with arthropathy (ALLarthropathy) and juvenile idiopathic arthritis (JIA) is difficult, as the clinical and paraclinical signs of leukaemia may be vague. The primary aim was to examine the use of lectin complement pathway proteins as markers to differentiate ALLarthropathy from JIA. The secondary aims were ...
    • MRI in the Assessment of TMJ-Arthritis in Children with JIA; Repeatability of a Newly Devised Scoring System 

      Angenete, Oskar W; Augdal, Thomas Angell; Rygg, Marite; Rosendahl, Karen (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-19)
      Rationale and Objectives: The temporomandibular joint (TMJ) is commonly involved in children with juvenile idiopathic arthritis. The diagnosis and evaluation of the disease progression is dependent on medical imaging. The precision of this imaging is under debate. SeveralR scoring systems have been proposed but transparent testing of the precision of the constituents of the scoring systems is ...
    • Association of iron deficiency with incident cardiovascular diseases and mortality in the general population 

      Schrage, Benedict; Rübsamen, Nicole; Ojeda, Francisco; Thorand, Barbara; Peters, Annette; Koenig, Wolfgang; Söderberg, Stefan; Söderberg, Maja; Mathiesen, Ellisiv B.; Njølstad, Inger; Kee, Frank; Linneberg, Allan; Kuulasmaa, Kari; Palosaari, Tarja; Salomaa, Veikko; Blankenberg, Stefan; Zeller, Tanja; Karakas, Mahir (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-05)
      Aims - Although absolute (AID) and functional iron deficiency (FID) are known risk factors for patients with cardiovascular (CV) disease, their relevance for the general population is unknown. The aim was to assess the association between AID/FID with incident CV disease and mortality in the general population.<p> <p>Methods and results - In 12 164 individuals from three European population-based ...
    • Incorporating kidney disease measures into cardiovascular risk prediction: Development and validation in 9 million adults from 72 datasets 

      Matsushita, K; Jassal, Simerjot; Solbu, Marit Dahl; Sang, Yingying; Ballew, Shoshana H.; Grams, Morgan E.; Surapaneni, Aditya; Arnlov, Johan; Bansal, Nisha; Bozic, Milica; Brenner, Hermann; Brunskill, Nigel J.; Chang, Alex R.; Chinnadurai, Rajkumar; Cirillo, Massimo; Correa, Adolfo; Ebert, Natalie; Eckardt, Kai-Uwe; Gansevoort, Ron T.; Gutierrez, Orlando; Hadaegh, Farzad; He, Jiang; Hwang, Shih-Jen; Jafar, Tazeen H.; Kayama, Takamasa; Kovesdy, Csaba P.; Landman, Gijs W.; Levey, Andrew S.; Lloyd-Jones, Donald M.; Major, Rupert W.; Miura, Katsuyuki; Muntner, Paul; Nadkarni, Girish N.; Naimark, David M.J.; Nowak, Christoph; Ohkubo, Takayoshi; Pena, Michelle J.; Polkinghorne, Kevan R.; Sabanayagam, Charumathi; Sairenchi, Toshimi; Schneider, Markus P.; Shalev, Varda; Shlipak, Michael; Stempniewicz, Nikita; Tollitt, James; Valdivielso, José M.; van der Leeuw, Joep; Wang, Angela Yee-Moon; Wen, Chi-Pang; Woodward, Mark; Yatsuya, Hiroshi; Zhang, Luxia; Schaeffner, Elke; Coresh, Josef (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-04)
      Background: Chronic kidney disease (CKD) measures (estimated glomerular filtration rate [eGFR] and albuminuria) are frequently assessed in clinical practice and improve the prediction of incident cardiovascular disease (CVD), yet most major clinical guidelines do not have a standardized approach for incorporating these measures into CVD risk prediction. “CKD Patch” is a validated method to calibrate ...