Paediatric anaesthesia
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Over the last 25 years, pediatric care has changed dramatically with increased survival after premature birth, more complex care, better outcomes, and reduced mortality. There is a better understanding of how pain pathways and receptor systems develop and also how to assess pain at different stages of development. The myth that children do not feel pain has been comprehensively dispelled. ⋯ However, it is disappointing that many country's healthcare systems do not give pediatric pain management a priority and in many parts of the world there are no analgesics available. So pain-free healthcare is sadly lacking in many hospitals. My hope is that the current knowledge can be used more effectively to relieve the unnecessary suffering of children in the 21st century.
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Paediatric anaesthesia · Jun 2012
Review Historical ArticleA history of pediatric anesthesia: a tale of pioneers and equipment.
The history of pediatric anesthesia is fascinating in terms of how inventive anesthesiologists became over time to address the needs for advances in surgery. We have many pioneers and heroes. We hope you will enjoy this brief overview and that we have not left out any of the early contributors to our speciality. Obviously there is insufficient space to include everyone.
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The 'new' challenging pediatric patients are those who could be called 'the survivors' and neonates undergoing birth under materno-fetal circulation. Their anesthetic management is complex because their initial pathology was previously lethal: the physiologic, pharmacologic, and or technical aspect of their management is presently unknown or hypothetical. Some examples are described. Communication with the pediatrician in charge of the child is the key to safe and effective anesthetic care of these cases.
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The pharmacokinetic (PK) parameters that are important for dosing (e.g., clearance and volume) are well known. They are used in universal mathematical formulae that describe the time course of drug concentration. Additional formulae can be used to describe major covariate effects in children, such as size and maturation. ⋯ While size and maturation are two important considerations in children and assist with dosing estimation, there are also a number of additional PK covariates (e.g., organ function, disease, drug interactions, pharmacogenetics), and identifying these sources of variability allows us to individualize drug dose. Pharmacology is not simply an application of PK, and determinants of drug dose also require an understanding of the variability associated with pharmacodynamic response and a balancing of beneficial effects against unwanted effects. Each child is unique in this respect.
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Management of a child's airway is one of the main sources of stress for anesthetists who do not routinely anesthetize children. Unfortunately, trainees are gaining less experience in pediatric airway management than in the past, which is particularly difficult at a time when some beliefs about airway management are being challenged and airway management is less standardized. Fortunately, most children have an easily managed, normal airway. ⋯ Different choices of airway management in children, and their advantages and disadvantages are discussed. Furthermore, the three broad causes of a challenging airway in children and infants are highlighted - the difficulty obtaining a mask seal, difficulty visualizing the vocal cords, and the third cause in which the larynx can be visualized but the difficulty lies at or beyond that level. Guidelines are given how to deal with these patients as well as with the feared but rare scenario of 'cannot ventilate, cannot intubate' in children.