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Scandinavian Journal of Clinical and Laboratory Investigation

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https://www.readbyqxmd.com/read/30073874/carotid-intima-media-thickness-and-ankle-brachial-index-are-inversely-associated-in-subjects-with-and-without-diabetes
#1
Karoline Winckler, Niels Wiinberg, Andreas Kryger Jensen, Birger Thorsteinsson, Louise Lundby-Christensen, Berit Lilienthal Heitmann, Gorm Boje Jensen, Lise Tarnow
Carotid intima-media thickness (IMT) and ankle brachial index (ABI) are non-invasive indicators of generalised atherosclerosis. The aim was to determine the association between carotid IMT and ABI in subjects with and without diabetes mellitus (DM), and to analyse specific age change-points. We included 2744 subjects from the Copenhagen City Heart Study (mean age (SD) 56.6 (17.2) years, 56.8% women and body mass index (BMI) 25.4 (4.1) kg/m2 ). Carotid IMT and ABI measurements were performed during the fifth examination...
August 3, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/30073867/comparison-of-second-and-third-generation-immunoassays-for-detection-of-anti-cyclic-citrullinated-peptide-antibodies
#2
Misuk Ji, Mina Hur, Hee-Won Moon, Mikyoung Park, Yeo-Min Yun, Sang-Heon Lee
Anti-cyclic citrullinated peptide antibodies (anti-CCPs) are important diagnostic markers for rheumatoid arthritis (RA). We evaluated the analytical and clinical performance of the QUANTA Flash CCP3 (INOVA Diagnostics, USA), a fully automated third-generation anti-CCP assay, in comparison with three second-generation anti-CCP (CCP2) assays. A total of 300 sera (67 from RA patients, 64 from other rheumatic diseases, 43 from osteoarthritis [OA], and 126 from other conditions) were tested with QUANTA Flash CCP3, Kallestad Anti-CCP II (Bio-Rad, USA), Elecsys Anti-CCP (Roche Diagnostics GmbH, Germany), and ARCHITECT Anti-CCP (Abbott Diagnostics, USA)...
August 3, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/30015524/the-relationship-of-serum-vegf-and-svegfr-1-levels-with-vascular-involvement-in-patients-with-beh%C3%A3-et-s-disease
#3
Erdim Sertoglu, Ahmet Omma, Cigdem Yucel, Seda Colak, Sevinc Can Sandıkcı, Taner Ozgurtas
Behçet's disease (BD) is a rare, chronic, inflammatory disorder characterized by multisystemic vasculitis including mucocutaneous, neurologic, and ophthalmic involvement. Our aim is to compare vascular endothelial growth factor (VEGF) and soluble vascular endothelial growth factor receptor-1 (sVEGFR-1) levels in BD, among the patients having or not having organ involvement, disease activation and especially vascular involvement. Fifty-five patients with BD, 25 of which were accompanied by vascular involvement, and 31 control subjects were included in the study...
July 17, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29993292/new-hplc-instrument-performance-evaluation-in-hba-1c-determination-and-comparison-with-capillary-electrophoresis
#4
Haneen Khashoggi, Stefano Pignalosa, Carmelo Russo, Massimo Pieri, Sergio Bernardini
Glycated hemoglobin (HbA1c ) measurement provides the most important medium to long-term marker of time-averaged glycemic status. Its relationship to clinical outcome in diabetes has been convincingly demonstrated for both type 1 and type 2 diabetes. The main HbA1c measurement methods for clinical routine are as follows: ion-exchange chromatography; affinity chromatography, capillary electrophoresis, immunoassay and enzymatic methods. In this study, we evaluated the analytical performances of a new HPLC instrument (Tosoh HLC-723 G11 in the VAR mode) in HbA1c analysis and compared it with a capillary electrophoresis instrument (Sebia Capillarys 2 Flex Piercing)...
July 11, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29986605/a-precise-sensitive-and-stable-lc-msms-method-for-detection-of-picomolar-levels-of-serum-aldosterone
#5
Margrete Lie, Ketil Thorstensen
BACKGROUND: Accurate quantification of aldosterone is essential in the diagnosis of primary aldosteronism. Liquid chromatography-tandem mass spectrometry (LC-MSMS) analysis is increasingly being used to improve analytical sensitivity and specificity, since this technology reduces most of the interferences observed with immunological methods. METHODS: Serum samples with d7 -aldosterone as internal standard were extracted with methyl tert-butyl ether, using liquid-liquid extraction (LLE)...
July 9, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29975107/d-dimer-during-pregnancy-establishing-trimester-specific-reference-intervals
#6
Irene Gutiérrez García, Pablo Pérez Cañadas, Juan Martínez Uriarte, Olivia García Izquierdo, María Angeles Jódar Pérez, Luis García de Guadiana Romualdo
Pregnancy is associated with an increased risk of venous thromboembolism (VTE). D-dimer is a biomarker used as an exclusion criterion of VTE disease, but its usefulness during pregnancy shows limitations because D-dimer levels physiologically increase through pregnancy. The aim of our study was to follow the changes of D-dimer levels and to establish trimester-specific reference intervals during normal pregnancy. This is a longitudinal prospective study in which the reference population finally included 102 healthy pregnant women...
July 5, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29966439/five-year-observation-of-the-relationship-between-body-mass-index-and-glycated-hemoglobin-in-children-with-type-1-diabetes-mellitus
#7
Anna Kadłubiska, Beata Małachowska, Klaudyna Noiszewska, Wojciech Fendler, Barbara Głowińska-Olszewska, Artur Bossowski, Włodzimierz Łuczyński
BACKGROUND: Poor metabolic control is a well-recognized risk factor for cardiovascular disease. However, the relationship between such factor as body weight and metabolic control in children with diabetes mellitus type 1 (DM1) is unclear. The aim of this study was to examine the relationships between body weight, age, metabolic control, sex, and form of insulin therapy in children with DM1. METHODS: This was a retrospective study of children with DM1 treated at one diabetes center for a minimum of 5 years since diagnosis...
July 2, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29933716/high-sensitivity-troponin-i-in-persistent-atrial-fibrillation-relation-to-nt-probnp-and-markers-of-inflammation-and-haemostasis
#8
Anja Wiedswang Horjen, Sara Reinvik Ulimoen, Jon Norseth, Jesper Hastrup Svendsen, Pål Smith, Harald Arnesen, Ingebjørg Seljeflot, Arnljot Tveit
PURPOSE: As cardiac troponins emerge as prognostic markers in atrial fibrillation (AF), it is important to identify mechanisms initiating and perpetuating cardiac troponin release, including its relations to other circulating biomarkers, in AF populations. We studied associations between high-sensitivity troponin I (hs-TnI) and markers representing myocardial wall tension, inflammation and haemostasis in persistent AF. METHODS: In a double blind, placebo-controlled study, 171 patients referred for electrical cardioversion for persistent AF were randomised to receive candesartan or placebo for 3-6 weeks before and 6 months after cardioversion...
June 22, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29898609/verification-study-on-the-norip-ldh-reference-intervals-with-a-proposed-new-upper-reference-limit
#9
Søren Kristiansen, Lennart Friis-Hansen, Claus Antonio Juel Jensen, Steen Ingemann Hansen
We verified the lactate dehydrogenase (LDH) reference interval (RI) provided by the Nordic Reference Interval Project (NORIP). The serum LDH concentration was analysed on the Dimension Vista 1500 system with an IFCC method with a bias of +2.1 % and +2.7 % against NFKK Reference Serum X and ERM-AD453/IFCC, respectively, showing verification of transference of the NORIP RI. Selective data mining in clinical laboratory information systems for retrospective serum LDH test results was used to calculate an indirect RI...
June 13, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29888620/hygiene-of-venepuncture-tourniquets-in-denmark
#10
Eva Rabing Brix Petersen, Mads Nybo
Tourniquets are widely used to make the vein more visible prior to blood collection. Venepuncture tourniquets are however a non-sterile and potentially reusable equipment. Several studies have shown that they are colonised by a variety of pathogenic bacteria and consecutively use of the same tourniquet on multiple patients will increase the risk of a nosocomial infection. This matter is however only scarcely studied. The objective of this study was to investigate the nationwide use of disposable and non-disposable venepuncture tourniquets and the standardised procedures for cleaning the tourniquets...
June 10, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29888618/association-between-elevated-plasma-microrna-223-content-and-severity-of-coronary-heart-disease
#11
Ji-Fang Guo, Yu Zhang, Qing-Xia Zheng, Yao Zhang, Hui-Hua Zhou, Lun-Meng Cui
Bioinformatics indicate that miR-223 regulates many genes associated with cholesterol metabolism, and it could also control high-density lipoprotein-cholesterol (HDL-C) uptake. As reported in previous study, miR-223 was found to be upregulated from human subjects with familial hypercholesterolaemia, however, it remains to be determined using a larger group of coronary heart disease (CHD) patients. Moreover, whether it correlates with severity of atherogenesis, has never been elucidated before. We aim to further explore the association between circulating miR-223 content and severity of CHD...
June 10, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29869532/determination-of-fetal-rhd-type-in-plasma-of-rhd-negative-pregnant-women
#12
Kirsten Sørensen, Jens Kjeldsen-Kragh, Henrik Husby, Çiğdem Akalın Akkök
Alloimmunization against the RhD antigen is the most common cause of hemolytic disease of the fetus and newborn. Antenatal anti-D prophylaxis in addition to postnatal anti-D prophylaxis reduces the number of RhD-immunizations compared to only postnatal administration. Cell-free fetal DNA released from the apoptotic trophoblastic placental cells into the maternal circulation can be used to determine the fetal RHD type in a blood sample from an RhD negative mother. Based on this typing, antenatal anti-D prophylaxis can be recommended only to RhD negative women carrying an RhD positive fetus, since only these women are at risk of developing anti-D...
June 5, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29806781/pediatric-reference-intervals-for-general-clinical-chemistry-components-merging-of-studies-from-denmark-and-sweden
#13
Peter Ridefelt, Linda Hilsted, Anders Juul, Dan Hellberg, Pål Rustad
BACKGROUND: Reference intervals are crucial tools aiding clinicians when making medical decisions. However, for children such values often are lacking or incomplete. The present study combines data from separate pediatric reference interval studies of Denmark and Sweden in order to increase sample size and to include also pre-school children who were lacking in the Danish study. METHODS: Results from two separate studies including 1988 healthy children and adolescents aged 6 months to 18 years of age were merged and recalculated...
May 28, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29792060/warfarin-monitoring-with-viscoelastic-haemostatic-assays-thrombin-generation-coagulation-factors-and-correlations-to-owren-and-quick-prothrombin-time
#14
Caroline U Nilsson, Karin Strandberg, Peter Reinstrup
The anticoagulant warfarin is commonly monitored with prothrombin time (PT). Viscoelastic haemostatic assays (VHA) are primarily used in situations of acute bleeding to guide haemostatic therapy. Much research has focused on VHA monitoring of new oral anticoagulants. However, many patients are still anticoagulated with warfarin and effect of warfarin anticoagulation on VHA is uncertain. The aim of this study was to assess warfarin anticoagulation on three different VHA and compare these findings with prothrombin time (PT), coagulation factor analyses and a thrombin generation assay (TGA)...
May 23, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29741109/estimation-of-metabolic-factors-related-to-insulin-resistance-and-metabolic-syndrome-in-young-people
#15
Sylwia Płaczkowska, Lilla Pawlik-Sobecka, Izabela Kokot, Agnieszka Piwowar
Civilizational developments occurring during recent decades have resulted in an increased incidence of a variety of metabolic disorders related to insulin resistance in younger people. The determination of decision limits for insulin resistance indices, especially among young people, is a significant challenge in clinical practice. The aim of this study was the estimation of metabolic factors related to their relationship to insulin resistance and metabolic syndrome (MS) features in young, apparently healthy people...
July 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29703089/changes-in-red-blood-cell-volume-during-transition-of-heart-failure-status-a-reflection-of-cellular-hydration-status
#16
Hajime Kataoka
This study examined how changes in heart failure (HF) status induce changes in the index of erythrocyte hydration based on mean red blood cell volume (MCV). Data from 47 HF patients (32% men; 78.2 ± 9.7 years) that experienced worsening and recovery of HF were analysed. Blood tests included measurements of MCV, albumin, serum solutes and b-type natriuretic peptide (BNP). Among a total of 47 worsening HF events, changes in MCV were positively correlated with changes in body weight (r = 0.31, p = ...
July 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29703085/significance-of-asymptomatic-hyperuricemia-in-patients-after-coronary-events
#17
Ivan Tasić, Svetlana Kostić, Nikola M Stojanović, Vlado Skakić, Jovana Cvetković, Aleksandar Djordjević, Mirjana Karadzić, Dragan Djordjević, Stanoje Andonov, Viktor Stoičkov, Dimitrije Tasić, Meenakshi Vanka, Dragan Lović
The goal of the present study was to determine the prevalence of hyperuricemia in patients with coronary artery disease (CAD), within three months after coronary events. Also, we aimed to determine whether the presence of hyperuricemia holds correlation with severe CAD, overall heart functioning and risk factors for CAD. The study included 505 consecutive CAD patients, 385 males and 120 females, aged 60.9 ± 9.6 years, with a mean body mass index (BMI) 28.0 ± 3.7 kg/m2 . All patients were admitted to specialized cardiovascular rehabilitation within three months post-acute myocardial infarction (AMI) without revascularization (32...
July 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29703083/relationship-between-circulating-mirna-30e-and-no-reflow-phenomenon-in-stemi-patients-undergoing-primary-coronary-intervention
#18
Qiang Su, Ziliang Ye, Yuhan Sun, Huafeng Yang, Lang Li
To investigate the relationship between miRNA-30e level in circulation and no-reflow phenomenon in patients with acute ST-segment elevation myocardial infarction (STEMI) during primary percutaneous coronary intervention (pPCI). A total of 255 consecutive patients with STEMI undergoing pPCI were enrolled in this study. These patients were divided into two groups according to the occurrence of reflow during pPCI, namely normal-reflow group with 214 cases and no-reflow group with 41 cases. The plasma levels of miRNA-30e were quantified using real-time quantitative polymerase chain reaction...
July 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29671346/insulin-resistance-is-associated-with-larger-thyroid-volume-in-adults-with-type-1-diabetes-independently-from-presence-of-thyroid-autoimmunity
#19
Anita Rogowicz-Frontczak, Stanislaw Pilacinski, Anna Teresa Chwialkowska, Dariusz Naskret, Dorota Zozulinska-Ziolkiewicz
To investigate the effect of insulin resistance (IR) on thyroid function, thyroid autoimmunity (AIT) and thyroid volume in type 1 diabetes (T1DM). 100 consecutive patients with T1DM aged 29 (±6) years with diabetes duration 13 (±6) years were included. Exclusion criteria were: history of thyroid disease, current treatment with L-thyroxin or anti-thyroid drugs. Evaluation of thyroid stimulating hormone (TSH), free thyroid hormones and anti-thyroid antibodies was performed. Thyroid volume was measured by ultrasonography...
July 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29667904/establishing-cut-offs-for-urine-erythrocyte-and-leukocyte-dipstick-tests
#20
Yousun Chung, Dae-Hyun Ko, Jungwon Hyun, Hyun Soo Kim, Min-Jeong Park, Dong Hoon Shin
Urine erythrocyte (Ery) and leukocyte (Leu) dipstick tests are essential for detecting microhematuria and urinary tract infection. Currently, there is no suggestion for establishing the cut-off limits in an ordinal scale test. This study aimed to establish the cut-off limits for urine Ery and Leu dipstick tests via probit regression. From 1 January 2016 to 30 June 2016, laboratory data were collected from patients at one teaching hospital whose specimen had analytical results from both a urine dipstick test and an automated urine particle analyzer...
July 2018: Scandinavian Journal of Clinical and Laboratory Investigation
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