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Featured researches published by Gudrun Boysen.


European Heart Journal | 2007

European guidelines on cardiovascular disease prevention in clinical practice: executive summary

Ian Graham; Dan Atar; Knut Borch-Johnsen; Gudrun Boysen; Gunilla Burell; Renata Cifkova; Jean Dallongeville; Guy De Backer; Shah Ebrahim; Bjørn Gjelsvik; Christoph Herrmann-Lingen; Arno W. Hoes; Steve Humphries; Mike Knapton; Joep Perk; Silvia G. Priori; Kalevi Pyörälä; Zeljko Reiner; Luis Miguel Ruilope; Susana Sans-Menendez; Wilma Scholte op Reimer; Peter Weissberg; David Wood; John Yarnell; Jose Luis Zamorano; Edmond Walma; Tony Fitzgerald; Marie Therese Cooney; Alexandra Dudina; Alec Vahanian

Guidelines and Expert Consensus Documents summarize and evaluate all currently available evidence on a particular issue with the aim to assist physicians in selecting the best management strategies for a typical patient, suffering from a given condition, taking into account the impact on outcome, as well as the risk–benefit ratio of particular diagnostic or therapeutic means. Guidelines are not substitutes for textbooks. The legal implications of medical guidelines have been discussed previously. A great number of Guidelines and Expert Consensus Documents have been issued in recent years by the European Society of Cardiology (ESC) as well as by other societies and organizations. Because of the impact on clinical practice, quality criteria for development of guidelines have been established in order to make all decisions transparent to the user. The recommendations for formulating and issuing ESC Guidelines and Expert Consensus Documents can be found on the ESC web site (http://www.escardio.org/knowledge/guidelines/rules). In brief, experts in the field are selected and undertake a comprehensive review of the published evidence for management and/or prevention of a given condition. A critical evaluation of diagnostic and therapeutic procedures is performed, including assessment of the risk–benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to predefined scales, as outlined in the tables below. The experts of the writing panels have provided disclosure statements of all relationships they may have which might be perceived as real or potential sources of conflicts of interest. These disclosure forms are kept on file at the European Heart House, headquarters of the ESC. Any changes in conflict of interest that arise during the writing period must be notified to the ESC. The Task Force report was entirely …


The Lancet | 1989

PLACEBO-CONTROLLED, RANDOMISED TRIAL OF WARFARIN AND ASPIRIN FOR PREVENTION OF THROMBOEMBOLIC COMPLICATIONS IN CHRONIC ATRIAL FIBRILLATION: The Copenhagen AFASAK Study

Palle Petersen; Gudrun Boysen; John Godtfredsen; Andersen Ed; Bj o̸ rn Andersen

From November, 1985, to June, 1988, 1007 outpatients with chronic non-rheumatic atrial fibrillation (AF) entered a randomised trial; 335 received anticoagulation with warfarin openly, and in a double-blind study 336 received aspirin 75 mg once daily and 336 placebo. Each patient was followed up for 2 years or until termination of the trial. The primary endpoint was a thromboembolic complication (stroke, transient cerebral ischaemic attack, or embolic complications to the viscera and extremities). The secondary endpoint was death. The incidence of thromboembolic complications and vascular mortality were significantly lower in the warfarin group than in the aspirin and placebo groups, which did not differ significantly. 5 patients on warfarin had thromboembolic complications compared with 20 patients on aspirin and 21 on placebo. 21 patients on warfarin were withdrawn because of non-fatal bleeding complications compared with 2 on aspirin and none on placebo. Thus, anticoagulation therapy with warfarin can be recommended to prevent thromboembolic complications in patients with chronic non-rheumatic AF.


European Journal of Preventive Cardiology | 2007

European guidelines on cardiovascular disease prevention in clinical practice: full text. Fourth Joint Task Force of the European Society of Cardiology and other societies on cardiovascular disease prevention in clinical practice (constituted by representatives of nine societies and by invited experts).

Ian Graham; Dan Atar; Knut Borch-Johnsen; Gudrun Boysen; Gunilla Burell; Renata Cifkova; Jean Dallongeville; G. De Backer; Shah Ebrahim; Bjørn Gjelsvik; C. Hermann-Lingen; Arno W. Hoes; Steve E. Humphries; Mike Knapton; Joep Perk; Silvia G. Priori; Kalevi Pyörälä; Zeljko Reiner; Luis Miguel Ruilope; Susana Sans-Menendez; W.J. Scholte op Reimer; Peter Weissberg; D.J. Wood; John Yarnell; Jose Luis Zamorano; Edmond Walma; T. Fitzgerald; Marie Therese Cooney; A. Dudina; Alec Vahanian

Other experts who contributed to parts of the guidelines: Edmond Walma, Tony Fitzgerald, Marie Therese Cooney, Alexandra Dudina European Society of Cardiology (ESC) Committee for Practice Guidelines (CPG): Alec Vahanian (Chairperson), John Camm, Raffaele De Caterina, Veronica Dean, Kenneth Dickstein, Christian Funck-Brentano, Gerasimos Filippatos, Irene Hellemans, Steen Dalby Kristensen, Keith McGregor, Udo Sechtem, Sigmund Silber, Michal Tendera, Petr Widimsky, Jose Luis Zamorano Document reviewers: Irene Hellemans (CPG Review Co-ordinator), Attila Altiner, Enzo Bonora, Paul N. Durrington, Robert Fagard, Simona Giampaoli, Harry Hemingway, Jan Hakansson, Sverre Erik Kjeldsen, Mogens Lytken Larsen, Giuseppe Mancia, Athanasios J. Manolis, Kristina Orth-Gomer, Terje Pedersen, Mike Rayner, Lars Ryden, Mario Sammut, Neil Schneiderman, Anton F. Stalenhoef, Lale Tokgözoglu, Olov Wiklund, Antonis Zampelas


European Journal of Preventive Cardiology | 2007

Fourth Joint Task Force of the European Society of Cardiology and Other Societies on Cardiovascular Disease Prevention in Clinical Practice (Constituted by representatives of nine societies and by invited experts)

Ian Graham; Dan Atar; Knut Borch-Johnsen; Gudrun Boysen; Gunilla Burell; Renata Cifkova; Jean Dallongeville; Guy De Backer; Shah Ebrahim; Bjørn Gjelsvik; Christoph Herrmann-Lingen; Arno W. Hoes; Steve E. Humphries; Mike Knapton; Joep Perk; Silvia G. Priori; Kalevi Pyörälä; Zeljko Reiner; Luis M. Ruilope; Susana Sans-Menendez; Wilma Scholte op Reimer; Peter Weissberg; David Wood; John Yarnell; Jose Luis Zamorano

Other experts who contributed to parts of the guidelines: Edmond Walma, Schoonhoven (The Netherlands), Tony Fitzgerald, Dublin (Ireland), Marie Therese Cooney, Dublin (Ireland), Alexandra Dudina, Dublin (Ireland) European Society of Cardiology (ESC) Committee for Practice Guidelines (CPG):, Alec Vahanian (Chairperson) (France), John Camm (UK), Raffaele De Caterina (Italy), Veronica Dean (France), Kenneth Dickstein (Norway), Christian Funck-Brentano (France), Gerasimos Filippatos (Greece), Irene Hellemans (The Netherlands), Steen Dalby Kristensen (Denmark), Keith McGregor (France), Udo Sechtem (Germany), Sigmund Silber (Germany), Michal Tendera (Poland), Petr Widimsky (Czech Republic), José Luis Zamorano (Spain) Document reviewers: Irene Hellemans (CPG Review Coordinator) (The Netherlands), Attila Altiner (Germany), Enzo Bonora (Italy), Paul N. Durrington (UK), Robert Fagard (Belgium), Simona Giampaoli(Italy), Harry Hemingway (UK), Jan Hakansson (Sweden), Sverre Erik Kjeldsen (Norway), Mogens Lytken Larsen (Denmark), Giuseppe Mancia (Italy), Athanasios J. Manolis (Greece), Kristina Orth-Gomer (Sweden), Terje Pedersen (Norway), Mike Rayner (UK), Lars Ryden (Sweden), Mario Sammut (Malta), Neil Schneiderman (USA), Anton F. Stalenhoef (The Netherlands), Lale Tokgözoglu (Turkey), Olov Wiklund (Sweden), Antonis Zampelas (Greece)


European Journal of Neurology | 2006

Stroke incidence and prevalence in Europe: a review of available data

T. Truelsen; B. Piechowski-Jozwiak; Ruth Bonita; C. Mathers; Julien Bogousslavsky; Gudrun Boysen

Reliable data on stroke incidence and prevalence are essential for calculating the burden of stroke and the planning of prevention and treatment of stroke patients. In the current study we have reviewed the published data from EU countries, Iceland, Norway, and Switzerland, and provide WHO estimates for stroke incidence and prevalence in these countries. Studies on stroke epidemiology published in peer‐reviewed journals during the past 10 years were identified using Medline/PubMed searches, and reviewed using the structure of WHOs stroke component of the WHO InfoBase. WHO estimates for stroke incidence and prevalence for each country were calculated from routine mortality statistics. Rates from studies that met the ‘ideal’ criteria were compared with WHOs estimates. Forty‐four incidence studies and 12 prevalence studies were identified. There were several methodological differences that hampered comparisons of data. WHO stroke estimates were in good agreement with results from ‘ideal’ stroke population studies. According to the WHO estimates the number of stroke events in these selected countries is likely to increase from 1.1 million per year in 2000 to more than 1.5 million per year in 2025 solely because of the demographic changes. Until better and more stroke studies are available, the WHO stroke estimates may provide the best data for understanding the stroke burden in countries where no stroke data currently exists. A standardized protocol for stroke surveillance is recommended.


BMJ | 1994

Influence of total cholesterol, high density lipoprotein cholesterol, and triglycerides on risk of cerebrovascular disease: the Copenhagen City Heart Study.

E. Lindenstrøm; Gudrun Boysen; J. Nyboe

Abstract Objective: To estimate the influence of plasma total cholesterol, high density lipoprotein cholesterol, and triglycerides on risk of cerebrovascular disease. Design: The Copenhagen city heart study is a prospective observational survey with two cardiovascular examinations at five year intervals. Non- fasting plasma lipids were measured in participants once at each examination, along with other variables. The Cox regression model was used to establish the effect of the factors recorded on cerebrovascular events of mostly, but not exclusively, ischaemic origin. Subjects — 19 698 women and men at least 20 years old, randomly selected after age stratification from an area of central Copenhagen. Main outcome measures: Initial cases of stroke and transient ischaemic attack recorded from hospital records and death certificates from 1976 through 1988. Results: 660 non-haemorrhagic and 33 haemorrhagic events were recorded. Total cholesterol was positively associated with risk of non-haemorrhagic events, but only for levels >8 mmol/l, correspaonding to the upper 5% of the distribution in the study population. For lower plasma cholesterol values the relative risk remained nearly constant. Plasma triglyceride concentration was significantly, positively associated with risk of non- haemorrhagic events. The relative risk corresponding to an increase of 1 mmol/l was 1.12 (95% confidence interval 1.07 to 1.16). There was a negative, log linear association between high density lipoprotein cholesterol and risk of non-haemorrhagic events (0.53 (0.34 to 0.83)). There was no indication that the20effects of plasma lipids were different in women and men. Conclusions: The pattern of the association between plasma cholesterol and risk of ischaemic cerebrovascular disease was not log linear, and the increased risk was confined to the upper 5% of the cholesterol distribution. Further studies should concentrate on the association between plasma cholesterol and varified haemorrhagic stroke.


Cerebrovascular Diseases | 1991

Reliability of Scandinavian Neurological Stroke Scale

Ewa Lindenstrøm; Gudrun Boysen; Lis Waage Christiansen; Bjarke à Rogvi Hansen; Pia Würtzen Nielsen

The Scandinavian hemodilution study in acute ischemic stroke used the neurological scale presented here in assessing prognosis and long-term outcome. The purpose of the present study was to test its i


The Lancet | 2001

Tinzaparin in acute ischaemic stroke (TAIST): a randomised aspirin-controlled trial

Philip M.W. Bath; Ewa Lindenstrøm; Gudrun Boysen; Peter Paul De Deyn; Pal Friis; Didier Leys; Reijo Marttila; Jan-Edwin Olsson; Desmond O'Neill; Jean-Marc Orgogozo; Bernd Ringelstein; Jan-Jacob van der Sande; Alexander G.G. Turpie

BACKGROUND Low-molecular-weight heparins and heparinoids are superior to unfractionated heparin in the prevention and treatment of venous thromboembolism, but their safety and efficacy in acute ischaemic stroke are inadequately defined. METHODS This randomised, double-blind, aspirin-controlled trial tested the safety and efficacy of treatment with high-dose tinzaparin (175 anti-Xa IU/kg daily; 487 patients), medium-dose tinzaparin (100 anti-Xa IU/kg daily; 508 patients), or aspirin (300 mg daily; 491 patients) started within 48 h of acute ischaemic stroke and given for up to 10 days. Primary intracerebral haemorrhage was excluded by computed tomography. Outcome was assessed, with treatment allocation concealed, by the modified Rankin scale at 6 months (independence [scores 0-2] vs dependence or death [scores 3-6]). FINDINGS Of 1486 randomised patients, two did not receive treatment and 46 were lost to follow-up. The proportions independent at 6 months were similar in the groups assigned high-dose tinzaparin (194/468 [41.5%]), medium-dose tinzaparin (206/486 [42.4%]), or aspirin (205/482 [42.5%]). There was no difference in effect in any predefined subgroup, including patients with presumed cardioembolic stroke. Other outcome measures were similar between the treatment groups (disability, case-fatality, and neurological deterioration rates). During the in-hospital treatment period no patient assigned high-dose tinzaparin developed a symptomatic deep-vein thrombosis compared with nine assigned aspirin. Conversely, seven patients assigned high-dose tinzaparin developed symptomatic intracerebral haemorrhage compared with one in the aspirin group. INTERPRETATION Treatment with tinzaparin, at high or medium dose, within 48 h of acute ischaemic stroke did not improve functional outcome compared with aspirin. Although high-dose tinzaparin was superior in preventing deep-vein thrombosis, it was associated with a higher rate of symptomatic intracranial haemorrhage.


Stroke | 1998

Intake of Beer, Wine, and Spirits and Risk of Stroke The Copenhagen City Heart Study

Thomas Truelsen; Morten Grønbæk; Peter Schnohr; Gudrun Boysen

BACKGROUND AND PURPOSE Alcohol consumption has been associated with a protective effect on risk of ischemic stroke. There may, however, be differences in the effect of beer, wine, and spirits due to properties other than ethanol, a topic that has gained only little attention in stroke research. METHODS Our analysis was a prospective cohort study of 13 329 eligible men and women, aged 45 to 84 years, participating in the Copenhagen City Heart Study. Information on alcohol habits and a number of socioeconomic and health-related factors was obtained at baseline. During 16 years of follow-up, 833 first-ever strokes occurred. Data were analyzed by means of multiple Poisson regression. RESULTS We found indications of a U-shaped relation between intake of alcohol and risk of stroke. In analyses adjusted for age, sex, and smoking, intake of wine on a monthly, weekly, or daily basis was associated with a lower risk of stroke compared with no wine intake (monthly: relative risk [RR], 0. 83; 95% CI, 0.69 to 0.98; weekly: RR, 0.59; 95% CI, 0.45 to 0.77; daily: RR, 0.70; 95% CI, 0.46 to 1.00). This effect of wine intake remained after complete adjustment for confounding variables (monthly: RR, 0.84; 95% CI, 0.70 to 1.02; weekly: RR, 0.66; 95% CI, 0.50 to 0.88; daily: RR, 0.68; 95% CI, 0.45 to 1.02). There was no association between intake of beer or spirits on risk of stroke. CONCLUSIONS The differences in the effects of beer, wine, and spirits on the risk of stroke suggest that compounds in the wine in addition to ethanol are responsible for the protective effect on risk of stroke.


Atherosclerosis | 2012

European Guidelines on cardiovascular disease prevention in clinical practice (version 2012)

Joep Perk; Guy De Backer; Helmut Gohlke; Ian Graham; Željko Reiner; W. M. Monique Verschuren; Christian Albus; Pascale Benlian; Gudrun Boysen; Renata Cifkova; Christi Deaton; Shah Ebrahim; Miles Fisher; Giuseppe Germano; Richard Hobbs; Arno W. Hoes; Sehnaz Karadeniz; Alessandro Mezzani; Eva Prescott; Lars Rydén; Martin Scherer; Mikko Syvänne; Wilma Scholte op Reimer; Christiaan J. Vrints; David Wood; Jose Luis Zamorano; Faiez Zannad

European Guidelines on cardiovascular disease prevention in clinical practice (version 2012) : the Fifth Joint Task Force of the European Society of Cardiology and Other Societies on Cardiovascular Disease Prevention in Clinical Practice (constituted by representatives of nine societies and by invited experts).

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Zeljko Reiner

University Hospital Centre Zagreb

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Renata Cifkova

Charles University in Prague

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