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- Morales, MM, et al.
(author)
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Viral infection, atopy and mycosis fungoides : A European multicentre case-control study
- 2003
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In: European Journal of Cancer. - 0959-8049 .- 1879-0852. ; 39:4, s. 511-516
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Journal article (peer-reviewed)abstract
- Mycosis fungoides (MF) is a rare disease with an unknown aetiology, although it has been suggested that infections may play a role. The present study investigates whether infections, atopic disorders and some other diseases are risk indicators for MF. A European multicentre case-control study involving seven rare cancers, including MF, was conducted from 1995 to 1998. Patients between 35 and 69 years of age diagnosed with MF (n=140) were recruited, and the diagnoses were verified by a reference pathologist, who classified 83 cases as definitive and 35 cases as possible, 22 cases were not accepted. Of the 118 accepted cases, 104 patients were interviewed (including 76 definitive cases and 28 possible cases). These 76 definitive cases were used for this study. A common set of controls to serve all case groups were interviewed, representing a total of 4574 controls. The latter included 1008 colon cancer patients and 3566 subjects selected from population registers. Information on infections, skin pathology and clinical history 5 years before the diagnosis of MF was used to estimate odds ratios (ORs) derived from logistic regression-modelling, which included gender, age and country. The highest ORs for MF were found in patients who reported a history of psoriasis 5 years before MF was diagnosed (OR 7.2, 95% CI: 3.6-14.5). Urticaria had an OR of 1.4 (95% CI: 0.6-3.6). Infections and atopic diseases were not closely associated with MF. Some diseases correlate to MF. Whether this has a causal background or reflects early diagnostic uncertainty is not known.
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- Svedman, Cecilia, et al.
(author)
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Deodorants: an experimental provocation study with hydroxycitronellal.
- 2003
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In: Contact Dermatitis. - : Wiley. - 0105-1873. ; 48:4, s. 217-223
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Journal article (peer-reviewed)abstract
- Axillary dermatitis is a common problem, particularly in individuals with contact allergy to fragrances. Many individuals suspect their deodorant to be the causal product of their fragrance allergy. It has been shown that deodorants containing cinnamic aldehyde (cinnamal) can elicit axillary dermatitis in patients sensitized to this substance. The aim of the present investigation was to evaluate the importance of hydroxycitronellal used in deodorants for the development of axillary dermatitis, when applied by individuals with and without contact allergy to this fragrance chemical. Patch tests with deodorants and ethanolic solutions containing hydroxycitronellal, as well as repeated open application tests (ROAT) with roll-on deodorants with and without hydroxycitronellal at different concentrations, were performed in 14 dermatitis patients, 7 with and 7 without contact allergy to hydroxycitronellal. A positive ROAT was noted only in the patients hypersensitive to hydroxycitronellal (P < 0·001) and only in the axilla to which the deodorants containing hydroxycitronellal had been applied (P < 0·001). Deodorants containing hydroxycitronellal in the concentration range of 0·032–0·32% used twice daily on healthy skin in individuals hypersensitive to hydroxycitronellal can elicit axillary dermatitis in a few weeks.
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| 7. |
- Andersson, L-O, et al.
(author)
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A new neutron beam facility
- 2004
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In: Proc. of the 9th European Particle Accelerator Conference.
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Conference paper (peer-reviewed)
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- Hansson, L, et al.
(author)
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Randomised trial of effects of calcium antagonists compared with diuretics and beta-blockers on cardiovascular morbidity and mortality in hypertension : the Nordic Diltiazem (NORDIL) study
- 2000
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In: The Lancet. - 0140-6736 .- 1474-547X. ; 356:9227, s. 359-365
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Journal article (peer-reviewed)abstract
- Background Calcium antagonists are a first-line treatment for hypertension. The effectiveness of diltiazem, a nondihydropyridine calcium antagonist, in reducing cardiovascular morbidity or mortality is unclear. We compared the effects of diltiazem with that of diuretics, beta-blockers, or both on cardiovascular morbidity and mortality in hypertensive patients. Methods In a prospective, randomised, open, blinded endpoint study, we enrolled 10 881 patients, aged 50-74 years, at health centres in Norway and Sweden, who had diastolic blood pressure of 100 mm Hg or more. We randomly assigned patients diltiazem, or diuretics, beta-blockers, or both. The combined primary endpoint was fatal and non-fatal stroke, myocardial infarction, and other cardiovascular death. Analysis was done by intention to treat. Findings Systolic and diastolic blood pressure were lowered effectively in the diltiazem and diuretic and beta-blocker groups (reduction 20.3/18.7 vs 23.3/18.7 mm Hg, difference in systolic reduction p<0.001). A primary endpoint occurred in 403 patients in the diltiazem group and in 400 in the diuretic and beta-blocker group (16.6 vs 16.2 events per 1000 patient-years, relative risk 1.00 [95% CI 0.87-1.15], p=0.97). Fatal and non-fatal stroke occurred in 159 patients in the diltiazem group and in 196 in the diuretic and beta-blocker group (6.4 vs 7.9 events per 1000 patient-years, 0.80 [0.65-0.99], p=0.04) and fatal and non-fatal myocardial infarction in 183 and 157 patients (7.4 vs 6.3 events per 1000 patient-years, 1.16 [0.94-1.44], p=0.17). Interpretation Diltiazem was as effective as treatment based on diuretics, beta-blockers, or both in preventing the combined primary endpoint of all stroke, myocardial infarction, and other cardiovascular death.
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- Kjeldsen, SE, et al.
(author)
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Influence of age, sex and blood pressure on the principal endpoints of the Nordic Diltiazem (NORDIL) Study
- 2002
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In: Journal of Hypertension. - : Ovid Technologies (Wolters Kluwer Health). - 0263-6352 .- 1473-5598. ; 20:6, s. 1231-1237
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Journal article (peer-reviewed)abstract
- Background The aim of the Nordic Diltiazem (NORDIL) Study was to compare patients with essential hypertension receiving calcium-antagonist-based treatment with diltiazem and similar patients receiving conventional diuretic/beta-blocker-based treatment, with respect to cardiovascular morbidity and mortality. Objective To assess the influence of age, sex, severity of hypertension and heart rate on treatment effects, in a sub-analysis. Methods The NORDIL study was prospective, randomized, open and endpoint-blinded. It enrolled, at health centres in Norway and Sweden, 10881 patients aged 50-74 years who had diastolic blood pressure (DBP) of 100 mmHg or more. Systolic blood pressure (SBP) and DBP were decreased by 20.3/18.7 mmHg in the diltiazem group and by 23.3/18.7 mmHg in the diuretic/beta-blocker group - a significant difference in SBP (P < 0.001). Results The incidence of the primary endpoint - a composite of cardiovascular death, cerebral stroke and myocardial infarction - was similar for the two treatments. Fatal and non-fatal stroke occurred in 159 patients in the diltiazem group and in 196 patients in the conventional treatment group [relative risk MR) 0.80, 95% confidence interval (CO 0.65 to 0.99, P = 0.0401, whereas there was a non-significant inverse tendency with respect to all myocardial infarction. Three Were significantly fewer cerebral strokes ip atiepts receiving diltiazem in the subgroups with baseline SBP > 170 mmHg (n = 5420, RR 0.75,95% CI 0.58 to 0.98, P = 0.032), DBP 105 mmHg (n = 5881, RR 0.74,95% Cl 0.57 to 0.97, P = 0.030) and pulse pressure greater than or equal to 66 mmHg (n = 5461, RR 0.76, 95% Cl 0.58 to 0.99, P = 0.041), and more myocardial infarctions in those with heart rate less than 74 beats/min (n = 5303, RR 1.13, 95% Cl 1.01 to 1.87, P = 0.040). However, the tendencies for fewer strokes and greater incidence of myocardial infarction were present across subgroups when results were analysed for age, sex, severity of hypertension and heart rate, and treatment-subgroup interaction analyses were not statistically significant. Conclusions Compared with a conventional diuretic/beta-blocker-based anti hypertensive regimen, there were additional 25% reductions in stroke in the diltiazem-treated patients with blood pressure or pulse pressure greater than the medians, and an increase in myocardial infarction in those with heart rate less than the median. Such findings may be attributable to chance, but the consistency of, in particular, the stroke findings may also suggest an ability of diltiazem, beyond conventional treatment, to prevent cerebral stroke in hypertensive patients with the greatest cardiovascular risk. (C) 2002 Lippincott Williams Wilkins.
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- Millar, D S, et al.
(author)
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Molecular genetic analysis of severe protein C deficiency
- 2000
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In: Human Genetics. - : Springer Science and Business Media LLC. - 1432-1203 .- 0340-6717. ; 106:6, s. 646-653
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Journal article (peer-reviewed)abstract
- Severe protein C deficiency is a rare, early onset, venous thrombotic condition that is inherited as an autosomal recessive trait. The protein C (PROC) genes of nine unrelated individuals with severe protein C deficiency were sequenced yielding a total of 13 different lesions. Eight of these were novel, including a gross gene deletion, three missense mutations, two micro-deletions, a splicing mutation and a single base-pair substitution in the HNF-3 binding site in the PROC gene promoter. Evidence for the pathogenicity of the mutations detected was obtained by molecular modelling, in vitro splicing assay and reporter gene assay. Neither the plasma protein C activity level nor the nature of the PROC gene lesions detected were found to be a good prognostic indicator of the age of onset or clinical severity of thrombotic symptoms. Other factors may thus complicate the relationship between genotype and clinical phenotype. Indeed, in two patients, the inheritance of either one or two Factor V Leiden alleles in addition to two PROC gene lesions could have served to precipitate the thrombotic events. No association was however apparent between clinical severity and the possession of a particular promoter polymorphism genotype. Despite the absence of a clear genotype-phenotype relationship, the molecular genetic analysis of the severe recessive form of protein C deficiency potentiates both the counselling of affected families and the provision of antenatal exclusion diagnosis.
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| 26. |
- Vikinge, Trine P., et al.
(author)
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Blood plasma coagulation studied by surface plasmon resonance
- 2000
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In: Journal of Biomedical Optics. - : SPIE-Intl Soc Optical Eng. - 1083-3668 .- 1560-2281. ; 5:1, s. 51-55
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Journal article (peer-reviewed)abstract
- A surface plasmon resonance (SPR) apparatus was used to investigate blood plasma coagulation in real time as a function of thromboplastin and heparin concentrations. The response curves were analyzed by curve fitting to a sigmoid curve equation, followed by extraction of the time constant. Clotting activation by thromboplastin resulted in increased time constant, as compared to spontaneously clotted plasma, in a dose dependent way. Addition of heparin to the thromboplastin-activated plasma counteracted this effect. Atomic force microscopy (AFM) pictures of sensor surfaces dried after completed clotting, revealed differences in fibrin network structures as a function of thromboplastin concentration, and the fiber thickness increased with decreased thromboplastin concentration. The physical reason for the SPR signal observed is ambiguous and is therefore discussed. However, the results summarized in the plots and the fibrin network properties observed by AFM correlate well with present common methods used to analyze blood coagulation.
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