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Scandinavian Journal of Clinical and Laboratory Investigation

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https://www.readbyqxmd.com/read/29043850/age-adjusted-d-dimer-cut-off-in-the-diagnostic-strategy-for-deep-vein-thrombosis-a-systematic-review
#1
Mads Nybo, Anne-Mette Hvas
BACKGROUND: Studies have indicated that use of an age-adjusted D-dimer cut-off value for patients above 50 years increases utility of the diagnostic strategy for pulmonary embolism. Evidence for the same approach regarding diagnosis of deep vein thrombosis (DVT) is, however, unclear. MATERIALS AND METHODS: A systematic literature review was conducted following the PRISMA Statement guideline to gather the existing knowledge on the use of an age-adjusted D-dimer cut-off in the diagnostic strategy for DVT...
October 18, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29043840/comparison-of-two-methods-based-on-photoplethysmography-for-the-diagnosis-of-peripheral-arterial-disease
#2
Christian Høyer, Nikolaj Schandorph Nielsen, Malene Kragh Overvad Jordansen, Helle Damgaard Zacho
AIM: To examine the interchangeability of two methods for distal pressure measurement based on photoplethysmography using a truncated or full display of the arterial inflow curve, respectively. METHODS: Toe and ankle pressures were obtained from 69 patients suspected of peripheral arterial disease (PAD). Observer reproducibility of the curve readings was examined by blinded reassessment of the pressure curves in a randomly selected subgroup (60 limbs). RESULTS: There were no significant differences in mean pressures between the two methods (p for all > ...
October 18, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29037082/the-d313y-variant-in-the-gla-gene-no-evidence-of-a-pathogenic-role-in-fabry-disease
#3
Lis Hasholt, Martin Ballegaard, Henning Bundgaard, Michael Christiansen, Ian Law, Allan M Lund, Anne Norremolle, Ase Krogh Rasmussen, Kirstine Ravn, Zeynep Tumer, Flemming Wibrand, Ulla Feldt-Rasmussen
Fabry disease is an X- linked inherited lysosomal storage disease caused by mutations in the GLA gene encoding the lysosomal enzyme alpha-galactosidase A (α-Gal A). The possible pathological significance of the D313Y variant in the GLA gene has not been verified and it may be a Fabry variant. Our aim was to elucidate whether the presence of the D313Y variant influenced the α-Gal A activity or resulted in Fabry symptoms or Fabry organ involvement. In two Danish families the presence of the D313Y variant did not result in reduced α-Gal A activity or clinical Fabry manifestations in males, and the presence in Fabry females did not significantly enhance the phenotype of a known causative mutation in the GLA gene (G271S)...
October 16, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29022764/proteasome-and-c-reactive-protein-inflammatory-response-in-children-undergoing-shorter-and-longer-lasting-laparoscopic-cholecystectomy
#4
Marzena Tylicka, Ewa Matuszczak, Maria Karpińska, Adam Hermanowicz, Wojciech Dębek, Halina Ostrowska
Operations of varying duration cause the release of a number of inflammatory mediators, in particular cytokines which lead to proteasome and acute-phase reactions. The purpose of this novel human study, was to characterize inflammatory response in children undergoing laparoscopic cholecystectomy, by analyzing changes in selected inflammatory mediators: C-reactive protein concentration and circulating 20S proteasome activity following surgical injury and to correlate them with the duration of the surgical procedure...
October 12, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28972399/angptl3-serum-concentration-and-rare-genetic-variants-in-finnish-population
#5
Anna Tikka, Jari Metso, Matti Jauhiainen
Genetic variants of angiopoietin-like protein 3 (ANGPTL3) are associated with serum triglyceride (TG) and low-density lipoprotein cholesterol (LDL-C) concentration in GWASs. ANGPTL3 deficiency causes declined TG, total cholesterol (TC), LDL-C, high-density lipoprotein cholesterol (HDL-C), apolipoprotein B (apoB) and apolipoprotein A-I (apoA-I) serum concentration, a phenotype defined as familial combined hypolipidaemia (FHBL2). Our aim is to establish whether ANGPTL3 serum protein concentration correlates with lipoproteins and lipids in hyper- or hypolipidaemic subjects, and whether ANGPTL3 sequence variants are associated with untypical lipid profiles...
October 3, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28949256/changes-of-serum-growth-factors-profiles-in-patients-with-venous-thromboembolism
#6
Mohammad Alqudah, Haitham Qandeel, Nabil Al-Zoubi, Ahmad Alqudah, Mohammad Bani-Ahmad, Abdallah Alzoubi
BACKGROUND AND RATIONALE: Venous thromboembolism (VTE) is a multifactorial disorder. Multiple hits to the tightly regulated blood hemostasis systems are required to trigger VTE. Growth factors, such as angiopoietins 1 and 2 (Ang-1 and Ang-2), and the epidermal growth factor (EGF) are critically involved in the maintenance of endothelial activity and vascular stability. The aim of this study was to evaluate the changes of these serum growth factors in patients with VTE. METHODS: This is a multi-institutional retrospective case-control study...
September 26, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28933963/delayed-sample-arrival-at-the-laboratory-does-not-lead-to-more-false-negatives-in-the-danish-population-screening-for-colorectal-cancer
#7
Anette Tarp Hansen, Elke Hoffmann-Lücke, Betina Klint Nielsen, Birgitte Reinholdt, Peter Hindersson, Karin Heidemann, Nete Hornung
In Denmark, biennial population screening for colorectal cancer was introduced in 2014 for all aged 50-74 years. Five laboratories representative for the regional division of Denmark perform the immunochemical testing of faecal occult blood in the screening samples (iFOBT, OC-Sensor (Eiken Chemical, cut-off 100 µg/L)). In July 2016, a new agreement on the public post-delivery entailed an increased lag time (five days) from the screening participant drops the screening sample into a mail-box until sample arrival at the laboratories...
September 21, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28933567/vitamin-k-and-cancer
#8
Sofia Dahlberg, Jacob Ede, Ulf Schött
Subclinical vitamin K deficits refer to carboxylation defects of different types of vitamin K-dependent hepatic and extrahepatic so-called Gla proteins without prolongation of the prothrombin time. This condition has been reported in different clinical situations due to insufficient supply or malabsorption of vitamin K as well as drug interactions. This review discusses the effects of different vitamin K subspecies on tumour growth and the possible anti-tumour effects of increased vitamin K intake. Blocking carboxylation of vitamin K-dependent proteins with warfarin anticoagulation - what are the risks/benefits for carcinogenesis? Previous studies on both heparin and low molecular weight heparin blocking of the vitamin K-dependent factors X and II have shown tumour suppressive effects...
September 21, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28868933/comparison-of-vacuum-and-non-vacuum-urine-tubes-for-urinary-sediment-analysis
#9
Canan Topcuoglu, Sevilay Sezer, Arzu Kosem, Mujgan Ercan, Turan Turhan
Urine collection systems with aspiration system for vacuum tubes are becoming increasingly common for urinalysis, especially for microscopic examination of the urine. In this study, we aimed to examine whether vacuum aspiration of the urine sample has any adverse effect on sediment analysis by comparing results from vacuum and non-vacuum urine tubes. The study included totally 213 urine samples obtained from inpatients and outpatients in our hospital. Urine samples were collected to containers with aspiration system for vacuum tubes...
September 4, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28862474/tympanic-membrane-temperature-decreases-during-head-up-tilt-relation-to-frontal-lobe-oxygenation-and-middle-cerebral-artery-mean-blood-flow-velocity
#10
David Lorr, Anton Lund, Mats Fredrikson, Niels H Secher
INTRODUCTION: Changes in blood flow influence temperature of surrounding tissues. Since the internal carotid artery (ICA) and internal jugular vein (IJV) neighbor the tympanic membrane, changes in their blood flow most likely determine changes in tympanic membrane temperature (TMT). We sought to evaluate the relationship between changes during a head-up tilt (HUT) induced reduction in cerebral blood flow (CBF) and TMT. METHODS: Ten male subjects (age 19-28 years) underwent 50° HUT until presyncope...
September 1, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28749732/lack-of-association-between-cystatin-c-and-different-coronary-atherosclerotic-manifestations
#11
Trine R Larsen, Oke Gerke, Axel C P Diederichsen, Jess Lambrechtsen, Flemming Hald Steffensen, Niels Peter Sand, Steen Antonsen, Hans Mickley
Cystatin C (CysC) is known to be related to cardiovascular disease (CVD), including the presence and severity of coronary artery disease (CAD) and future clinical events. In this study, the association between CysC levels and (1) coronary artery calcification (CAC) in asymptomatic individuals from the general population as well as (2) different subgroups of patients with suspected or definite acute myocardial infarction (MI) was investigated. CysC levels were measured in serum from asymptomatic individuals as part of a screening study for CAC using non-contrast cardiac CT scan (N = 1039) as well as in subgroups of hospitalized patients with a suspected MI (N = 769)...
July 27, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28745927/urine-liver-fatty-acid-binding-protein-and-chronic-kidney-disease-progression
#12
Dinah S Khatir, Mette D Bendtsen, Henrik Birn, Rikke Nørregaard, Per Ivarsen, Bente Jespersen, Niels H Buus
Excretion of the tubular protein liver fatty acid binding protein (L-FABP) is a potential novel biomarker of renal dysfunction. We examined whether urine L-FABP excretion adds prognostic information to the well-established risk markers, blood pressure (BP), albumin excretion and baseline GFR, regarding progression of chronic kidney disease (CKD). In a prospective study design a cohort of 74 stage 3-4 CKD patients (age 61 ± 13 years) were included. Glomerular filtration ratio (GFR, (51)Cr-EDTA-clearance), 24-hour ambulatory BP, 24-hour urinary albumin/creatinine ratio (UAC) and urinary L-FABP/creatinine ratio (U-L-FABP/C) were determined at baseline and after 18 months of follow-up...
July 26, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28741963/effects-of-parathyroidectomy-on-bone-metabolism-in-haemodialysis-patients-with-secondary-hyperparathyroidism
#13
Lijie Ma, Sumei Zhao, Zhongxin Li
OBJECTIVE: To evaluate the outcome of bone metabolism and bone mineral density (BMD) in haemodialysis patients after parathyroidectomy (PTX). METHODS: A total of 31 haemodialysis patients with secondary hyperparathyroidism (SHPT) were treated with PTX. BMD of lumbar spine (LS) and femoral neck (FN) was determined by dual energy X-ray absorptiometry. RESULTS: Parathyroidectomy ledds to significant decrease of serum β-crosslaps (β-CTX), osteocalcin (OC) and procollagen type I amino-terminal propeptide (PINP) while serum sclerostin (SOST) increased after surgery...
July 25, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28737965/comparison-of-three-competitive-immunoassays-for-measurement-of-tsh-receptor-antibodies-in-patients-with-graves-disease
#14
Sara Doroudian, Inge Bülow Pedersen, Cindy Soendersoe Knudsen, Aase Handberg, Stine Linding Andersen
Thyrotropin (TSH) receptor antibodies (TRAb) mediate the hyperthyroidism of Graves' disease (GD). The aim of the study was to compare the diagnostic performance and assay agreement between three immunoassays for the measurement of TRAb in patients with newly diagnosed GD. TRAb was measured with three different assays [H-TRAb (BRAHMS Diagnostica), M22-Man (RSR Limited) and M22-Aut (Roche Diagnostics)] in 387 participants who were recruited from two Danish population-based studies and diagnosed with GD (n = 101), multinodular toxic goitre (n = 88), primary autoimmune hypothyroidism (n = 100) or included as controls (n = 98)...
July 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28737959/influence-of-patient-related-factors-on-number-of-mesenchymal-stromal-cells-reached-after-in-vitro-culture-expansion-for-clinical-treatment
#15
Abbas Ali Qayyum, Kamal Preet Kaur, Anders Bruun Mathiasen, Mandana Haack-Sørensen, Annette Ekblond, Jens Kastrup
BACKGROUND: Number of stromal cells injected in patients with ischaemic heart disease (IHD) may be of importance for the treatment efficacy, which in turn may be influenced by various patient-related factors. In this study, we investigate whether patient-related factors influence the number of autologous stromal cells reached after in vitro culture expansion for clinical therapy. METHODS: Culture expansion data from 111 patients with IHD treated with autologous stromal cells in three clinical trials were used...
July 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28737953/metabolic-factors-and-oxidative-stress-in-osteoarthritis-a-case-control-study
#16
Kaspar Tootsi, Aare Märtson, Jaak Kals, Kaido Paapstel, Mihkel Zilmer
Previous studies suggest that metabolic disturbances might be involved in the development of osteoarthritis (OA). Associations have been found between the individual components of metabolic syndrome (MetS) and OA. MetS has been associated with increased oxidative stress (OxS). The study aimed to clarify the role of MetS components in OA and to evaluate the levels of OxS in OA patients and in age-matched controls. Fifty-five patients with end-stage OA (age 63 ± 7 years) prior to hip or knee joint replacement surgery and 55 age-, gender- and body mass index matched controls (61 ± 8 years) were enrolled in the study...
July 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28678546/mortality-prediction-using-serum-biomarkers-and-various-clinical-risk-scales-in-community-acquired-pneumonia
#17
Min Woo Kim, Jee Yong Lim, Sang Hoon Oh
We evaluated the predictive value of serum biomarkers and various clinical risk scales for the 28-day mortality of community-acquired pneumonia (CAP). Serum biomarkers including procalcitonin (PCT) and C-reactive protein (CRP) were evaluated in the emergency department. Scores for the pneumonia severity index (PSI); CURB65 (confusion, urea, respiration, blood pressure; age >65 years); Infectious Disease Society of America (IDSA) and American Thoracic Society (ATS) guidelines for severe CAP; Acute Physiology, Chronic Health Evaluation (APACHE) II; Sequential Organ Failure Assessment (SOFA); and quick SOFA (qSOFA) were calculated...
November 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28632435/relative-effects-of-plasma-fibrinogen-concentrate-and-factor-xiii-on-rotem-coagulation-profiles-in-an-in-vitro-model-of-massive-transfusion-in-trauma
#18
David E Schmidt, Märit Halmin, Agneta Wikman, Anders Östlund, Anna Ågren
Massive traumatic haemorrhage is aggravated through the development of trauma-induced coagulopathy, which is managed by plasma transfusion and/or fibrinogen concentrate administration. It is yet unclear whether these treatments are equally potent in ensuring adequate haemostasis, and whether additional factor XIII (FXIII) administration provides further benefits. In this study, we compared ROTEM whole blood coagulation profiles after experimental massive transfusion with different transfusion regimens in an in vitro model of dilution- and transfusion-related coagulopathy...
October 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28537447/hypocretin-measurement-shelf-age-of-radioimmunoassay-kit-but-not-freezer-time-influences-assay-variability
#19
Glenda Keating, Donald L Bliwise, Prabhjyot Saini, David B Rye, Lynn Marie Trotti
The hypothalamic peptide hypocretin 1 (orexin A) may be assayed in cerebrospinal fluid to diagnose narcolepsy type 1. This testing is not commercially available, and factors contributing to assay variability have not previously been comprehensively explored. In the present study, cerebrospinal fluid hypocretin concentrations were determined in duplicate in 155 patient samples, across a range of sleep disorders. Intra-assay variability of these measures was analyzed. Inter-assay correlation between samples tested at Emory and at Stanford was high (r = 0...
September 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28521522/effect-of-hb-shuangfeng-on-hba1c-results
#20
Yan Wang, Ping Zhang, Hongxing Zhou, Yingxin Sun, Peng Jiang
No abstract text is available yet for this article.
September 2017: Scandinavian Journal of Clinical and Laboratory Investigation
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