Der Anaesthesist
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In video-assisted patient education (ViPa), patients watch an educational video about the process and the risks of anaesthesia in addition to the preanaesthetic interview with the anaesthesiologist. Used as a supplement to the preanaesthetic visit, the videos can increase patients' knowledge and satisfaction without having any negative effect on perioperative anxiety. ⋯ It can be used in pediatric anaesthesia and reduces parental anxiety. Because of the lack of studies, the effects of the ViPa on perioperative patient compliance, especially for outpatient surgery, and on the economics of anaesthesia clinics are unclear.
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Comparative Study
[Combined transgluteal ischial and femoral nerve block: retrospective data on 65 risk patients with leg amputation].
For amputations of the lower limbs the combined blockade of the sciatic nerve (via the transgluteal approach) and the femoral nerve (via the inguinal route) may be a suitable alternative to general or neuroaxial anaesthetic methods. In highly comorbid, high risk patients this catheter-linked regional anaesthesia combines the advantages of avoiding controlled ventilation with decreased cardiovascular depression, as conveyed by the use of general anaesthesia or neuraxial techniques. Furthermore, improved postoperative analgesia may be achieved for several days. ⋯ In 58 patients (89%), a regional anaesthesia technique employing only a catheter technique was performed and only 7 patients (11%) required additional general anaesthesia. For postoperative pain management, local anaesthetics were administered via an indwelling nerve block catheter and excellent pain scores were achieved in these patients. However, successful employment of this technique necessitates sufficiently trained personnel as well as on-going training in the performance of catheter-based local analgesia.
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The aim of this study was to determine the actual cost per intensive care unit (ICU) day in Germany based on routine data from an electronic patient data management system as well as analysis of cost-driving factors. A differentiation between days with and without mechanical ventilation was performed. ⋯ For the first time, a cost analysis of intensive care in Germany was performed with routine data based on the matrix of the institute for reimbursement in hospitals (InEK). The results revealed a higher resource use on the ICU than previously expected. The large share of personnel costs on the ICU was evident but is comparable to other medical departments in the hospital. The need for mechanical ventilation increases the daily costs of resources by approximately 25%.
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Placebo controlled studies examining clinical problems, e.g. in pain therapy, are considered the "gold standard" for evidence-based medicine. In these studies the placebo effect itself is not the main focus of interest, but serves more as a control for the specificity of the effect of a certain treatment. What physicians in this context often do not realize is that the placebo effect itself represents a true measurable correlate of an organism's psycho-neurobiological response and, thereby, influences the healing process, e.g. the pain relief. ⋯ This should mean that the context effect of each therapeutic intervention is maximized towards an improved therapeutic effect, as outlined in the recent AWMF guidelines for postoperative pain therapy, but should not include the administration of an inert substance. The latter is controlled by rigorous ethical guidelines and is only permitted in the context of ethically approved controlled clinical trials. A possible alternative is suggested by Benedetti et al. in which the hidden administration of an active substance identifies the specific response in contrast to the open application of the same substance characterizing the specific plus the placebo effect, after which the pure placebo effect can be determined.
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In part 1 of this review, perioperative aspects of the use of non-opioids (acetaminophene, dipyrone, traditional NSAR, coxibs) were discussed. In part 2 the perioperative aspects of opioids (weak opioids: tramadol, tilidine with naloxone, strong opioids: morphine, piritramide, oxycodone, hydromorphone, fentanyl, methadone, buprenorphine) and coanalgesics (gabapentinoids; ketamine) will now be presented. The main aim of the review is to describe the use, risks and cost of some substances to facilitate the differential indication. New aspects concerning the use of gabapentinoids and ketamine are discussed.