Current opinion in anaesthesiology
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The elderly population is increasing in number each year, and more patients are presenting for anesthesia and surgery. One of the key areas for improving the care of the elderly is a better understanding of the influence of aging on drug pharmacokinetics and dynamics. ⋯ The effects of comorbidity and intercurrent medications may alter the normal anesthetic practice of the clinician's care of the elderly patient. Further studies in these key areas may lead to improved outcomes.
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The aim of this review is to give a general overview of anesthetic management, technical considerations and specific complications of interventional neuroradiology based on the most recent literature. ⋯ Interventional neuroradiology is challenging because of the location and the sudden and acutely life-threatening complications that may occur.
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Curr Opin Anaesthesiol · Jun 2003
Anaesthetic considerations in patients with chronic pulmonary disease.
Chronic pulmonary diseases are getting more important in daily anaesthetic practice, because prevalence is increasing and improved anaesthetic techniques have led to the abandonment of previous contraindications to anaesthesia. It is therefore essential for the anaesthetist to be up to date with current clinical concepts and their impact on the conduction of anaesthesia as well as new insights into how to anaesthetise these patients safely. ⋯ Assessing the functional status of patients admitted for surgery remains a difficult task, and in patients identified as being at risk by clinical examination additional spirometry and blood gas measurements may be helpful. If there are flow limitations and signs of respiratory failure, the anaesthetist should be highly alarmed and monitor the patient closely and invasively, yet there is no reason to deny any patient a substantially beneficial operation.
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In this review we intend to ascertain trends in propofol administration for paediatric anaesthesia and sedation. ⋯ Propofol should be used with extreme caution for prolonged sedation in intensive care unit patients, at dose rates of below 5 mg/kg per h, while maintaining extreme vigilance for signs of developing propofol infusion syndrome. If used correctly propofol is a suitable drug for sedation outside the operating room.
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Ropivacaine is considered less toxic than bupivacaine. In addition, at the low concentrations used for providing postoperative analgesia, ropivacaine seems to produce less motor blockade than bupivacaine. These two properties are of particular interest in paediatric practice. ⋯ Ropivacaine is now the reference drug for regional anaesthesia in paediatric patients, mainly because it is considered less toxic than bupivacaine and provides excellent postoperative analgesia even when used at low concentrations.