Ulrich Siering

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PURPOSE To evaluate the current practice of temporary vena cava filter placement and its complications. MATERIALS AND METHODS A multicenter registry was conducted from May 1995 until May 1997 using a standardized questionnaire. One hundred eighty-eight patients were evaluated. Patient characteristics, filter indications, filter characteristics, and(More)
INTRODUCTION Clinical practice guidelines can improve healthcare processes and patient outcomes, but are often of low quality. Guideline appraisal tools aim to help potential guideline users in assessing guideline quality. We conducted a systematic review of publications describing guideline appraisal tools in order to identify and compare existing tools.(More)
BACKGROUND All major guidelines for antihypertensive therapy recommend weight loss; anti-obesity drugs might be a helpful option. OBJECTIVES PRIMARY OBJECTIVES To assess the long-term effects of pharmacologically induced reduction in body weight with orlistat, sibutramine or rimonabant on:- all cause mortality - cardiovascular morbidity - adverse(More)
Weight loss is recommended in all major guidelines for antihypertensive therapy. We searched for randomized controlled trials investigating the effects of weight-reducing diets, pharmacologic substances, and invasive interventions for weight reduction on patient-relevant end points and blood pressure (BP) in patients with essential hypertension. No(More)
BACKGROUND Guidelines of high methodological quality make an essential contribution to the quality assurance of medical knowledge. The detailed evaluation of guideline quality is a complex and time-consuming task. The answers to a few key questions generally suffice for an initial, rapid assessment of the quality and utility of a guideline. METHOD We(More)
BACKGROUND The use of comprehensive instruments for guideline appraisal is time-consuming and requires highly qualified personnel. Since practicing physicians are generally busy, the rapid-assessment Mini-Checklist (MiChe) tool was developed to help them evaluate the quality and utility of guidelines quickly. The aim of this study was to validate the MiChe(More)
To ensure that clinical practice guidelines (CPGs) form a sound basis for decision-making in health care, it is necessary to be able to reliably assess and ensure their quality. This results in the need to assess the content of guidelines systematically, particularly with regard to the validity of their recommendations. The aim of the present analysis was(More)
The first part of our article deals with the basic aspects of using computed tomography in obstetrical pelvimetry. A macerated osseous female pelvis was used to measure the true conjugate, the transverse plane of the pelvic inlet, the interspinous line and the distance between the ischial tuberosities. The same pelvis was then examined computed(More)
UNLABELLED Guideline synopses, i.e. the systematic synthesis of clinical practice guidelines, are used as a basis for Disease Management Programmes (DMPs) in Germany. One of the responsibilities of the German Institute for Quality and Efficiency in Health Care (IQWiG) is the preparation of guideline synopses for DMPs. The article describes the experiences(More)