Der Anaesthesist
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Randomized Controlled Trial Multicenter Study Clinical Trial
[Preconditioning with sevoflurane reduces biochemical markers for myocardial and renal dysfunction after aortocoronary procedures].
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Extracorporeal lung assist has been proposed as an invasive measure in patients with acute respiratory distress syndrome (ARDS) when oxygenation is critically impaired. However, this technique generally requires high personnel and technical resources. We report on a new system, which is characterised by a short circuit arterio-venous shunt using arterio-venous pressure gradient as driving force (pumpless extracorporeal lung assist [pECLA]). ⋯ pECLA represents a feasable and effective treatment in patients with severe ARDS. Compared with pump-driven systems pECLA is characterised by low costs and reduced personnel requirements. However, mortality remains high in patients suffering from severe ARDS despite newer treatment modalities.
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The practice of regional anaesthesia in German speaking countries was investigated by a survey. The first part of the trilogy contains the presentation and evaluation of the data about quality assurance and training concepts. In 2002 questionnaires were mailed to 750 randomly selected departments of anaesthesia and 384 hospitals participated (51.2%). ⋯ The exact beginning (48%) and end (15%/13%) of the training were often not fixed, 80% of all anaesthesia departments requested an improvement in the training for peripheral and 53% for neuroaxial regional anaesthesia techniques. Regional anaesthesia plays a highly important role. Concepts of training and quality assurance that are backed up by evidence-based medicine should be worked out to improve the training and further education in regional anaesthesia.
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The perioperative risk is mostly determined by the patient's cardiological condition and the type of surgical intervention. Therefore it is very important during the premedication visit to identify patients with cardiac risk factors. We suggest that patients be classified into three risk classes according to the ACC/AHA recommendations in advance of the preanaesthetic visit. ⋯ For the lowest risk no further evaluation is necessary. For the medium risk class an additional preoperative diagnosis or for the higher risk class a cardiological consultation or even postoperative intensive care monitoring could be necessary. The aim of such a system is to always minimise the rate of perioperative complications and delays in scheduled surgery.