Abstract
Even though more than 100 years have passed since the first description of the use of central blocks in children (Bier, 1899, Tyrell-Gray, 1909), there are still new and important things to learn within this particular field of anesthesia. Therefore, to perform safe and effective regional anesthesia in infants and children, a solid knowledge of the age-related pharmacology of both local anesthetics and their adjuncts is an absolute prerequisite. Although not as extensive as in adults, the published literature within the field of clinical pharmacology of local anesthetics and their adjuncts in infants and children is quite substantial at this point in time.
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- 1.
Because compartmental pharmacokinetics are based on the assumption of linearity, concentration is described by a sum of exponentials with the assumption that absorption is faster than distribution and distribution is faster than elimination. If absorption is longer than elimination, it is not possible to distinguish between the phases. In other words, if absorption continues during elimination, the terminal phase appears falsely prolonged.
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Lönnqvist, PA. (2013). Drugs and Clinical Pharmacology of Central Blocks in Infants and Children. In: Astuto, M. (eds) Pediatric Anesthesia, Intensive Care and Pain: Standardization in Clinical Practice. Anesthesia, Intensive Care and Pain in Neonates and Children. Springer, Milano. https://doi.org/10.1007/978-88-470-2685-8_12
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