Andreas Waltering

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BACKGROUND All major guidelines for antihypertensive therapy recommend weight loss. Thus dietary interventions that aim to reduce body weight might be a useful intervention to reduce blood pressure and adverse cardiovascular events associated with hypertension. OBJECTIVES Primary objectivesTo assess the long-term effects of weight-reducing diets in(More)
BACKGROUND The Institute for Quality and Efficiency in Health Care (IQWiG) was established in 2003 by the German parliament. Its legislative responsibilities are health technology assessment, mostly to support policy making and reimbursement decisions. It also has a mandate to serve patients' interests directly, by assessing and communicating evidence for(More)
BACKGROUND Various types of framing can influence risk perceptions, which may have an impact on treatment decisions and adherence. One way of framing is the use of verbal terms in communicating the probabilities of treatment effects. We systematically reviewed the comparative effects of words versus numbers in communicating the probability of adverse(More)
BACKGROUND AND OBJECTIVE Although the benefit of aspirin for patients with known cardiovascular disease is well established, the protective effect in primary prevention remains the subject of a controversial discussion. This meta-analysis was undertaken to ascertain whether a risk reduction regarding mortality and/or cardiovascular events can be achievement(More)
W e have read with interest the article by Blume et al. (1) in which the authors interpret the presented results as supporting evidence that negative pressure wound therapy (NPWT) is as safe as and more efficacious than advanced moist wound therapy (AMWT) to treat foot ulcers in diabetic patients. NPWT is widely applied, although the evidence base is weak(More)
BACKGROUND AND PURPOSE In line with the application of evidence-based medicine as part of the day-to-day clinical practice of a community hospital internal guidelines concerning relevant diagnostic or therapeutic problems were developed. The authors retrospectively compared all data of patients with the tentative diagnosis of deep vein thrombosis (DVT), who(More)
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