Current opinion in anaesthesiology
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The demand for peripheral nerve blocks and neuroaxial blocks from both patients and surgeons has increased over the last few years. This change in attitude towards regional anesthesia is prompted by the insight that adequate perioperative pain management leads to earlier ambulation, shorter hospital stay, reduced cost and increased patient satisfaction. To avoid serious complications of these techniques structured residency programs need to be available. ⋯ This review introduces the reader to the different teaching methods available, including cadaver workshops, three-dimensional videoclips, video filming, ultrasound guidance and acoustic assist devices as well as demonstrating their advantages and disadvantages. Moreover, an overview is given of future residency training programs, which integrate administrative, material and educative demands as well as the teaching means into the daily clinical routine.
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Curr Opin Anaesthesiol · Oct 2006
ReviewThe influence of new antithrombotic drugs on regional anesthesia.
Antithrombotic drugs are known to increase the risk of spinal epidural hematoma after neuraxial blockade. During the last few years, several new anticoagulants have been introduced, some of them more potent than the drugs currently available. More potency, however, may also indicate a higher risk of bleeding. ⋯ Guidelines are perceived to be capable of reducing the incidence of spinal epidural hematoma with the inherent risk of permanent paraplegia. These guidelines, however, will only be a valuable aid for clinicians if they are constantly updated and newer antithrombotic drugs are included. Although the resurge of peripheral nerve blocks may diminish patient hazards, deep nerve blocks such as lumbar sympathetic blockade are not devoid of serious complications and should probably be handled in the same way as neuraxial blockade.
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Curr Opin Anaesthesiol · Oct 2006
ReviewAdvances in treatment of complex regional pain syndrome: recent insights on a perplexing disease.
The paper is a critical appraisal of recent advances in the treatment of complex regional pain syndrome. Rapidly changing concepts related to the pathophysiology of this disease has transformed its current management and necessitates an updated review of the literature. ⋯ Enhanced insight into the pathophysiology of chronic regional pain syndrome has modified current clinical practice and the focus of research. Certain 'standard' therapeutic options for chronic regional pain syndrome have failed the test of time while others have prevailed. New options have recently been evaluated and have shown promising early results. Knowledge of recent advances in chronic regional pain syndrome will help pain physicians provide optimal care to these patients.
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To review the techniques for imaging cerebral blood flow and metabolism following injury to the brain. ⋯ Imaging of cerebral blood flow and metabolism has been shown to be useful following a variety of causes of brain injury, as it can help to define the cause and extent of injury, identify appropriate treatments and predict outcome. Imaging based on CT techniques (Xenon CT and CT perfusion) can be implemented easily in most hospital centres, and are able to provide quantitative perfusion data in addition to structural images.
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Clinicians are actively looking for an effective brain protection technique. With pharmacologic agents, several phase III trials in stroke, severe traumatic brain injury, and post-cardiac arrest survivors have failed. Hence there is renewed interest in mild to moderate hypothermia for brain protection. Phase III clinical trials with hypothermia have been successful only in post-cardiac arrest survivors and neonatal hypoxic encephalopathy. This review focuses on the possible reasons for our inability to translate into positive clinical trials what is observed consistently in laboratory models. ⋯ Hypothermia can at present be recommended only for post-cardiac arrest survivors and in neonatal hypoxic encephalopathy.