Procedural Sedation and Analgesia in Children: Perspectives from Paediatric Emergency Physicians

Abstract

Procedural sedation and analgesia in children is now widely practised in many emergency departments internationally. In this article, we address the general principles, indications, guidelines, medications, adverse events and future research in paediatric procedural sedation and analgesia in the Emergency Department.

Procedural sedation and analgesia is the use of sedative, analgesia and dissociative drugs to provide anxiolysis, analgesia, sedation and motor control during painful or unpleasant diagnostic and therapeutic procedures. It is a continuous spectrum from mild, moderate, deep sedation and then general anaesthesia. Dissociative sedation from ketamine is also commonly used.

Internationally, major clinical guidelines have been issued and revised since the 1980s. The guidelines should include the following components and documentation: pre-sedation assessment, intra-procedural monitoring and post-procedural monitoring and discharge criteria. The pre-sedation assessment involves assessing suitability of patient as candidate for sedation, any contraindications, fasting time, ensuring that the necessary equipment and drugs are available and the personnel providing the sedation are skilled in sedation and resuscitation.

The common medications for sedation in the emergency departments include ketamine, midazolam, fentanyl, morphine, oral chloral hydrate and nitrous oxide inhalation. Propofol and etomidate are used widely in some of the paediatric emergency departments internationally.

Procedural sedation has been documented to be safe and effective when performed by trained emergency physicians. The overall incidence of complications was 5.3% in a large prospective study, including airway and respiratory events (laryngospasm, apnoea, desaturations) and emesis. Aspirations are rare complications. Though the risks of adverse events are not high, emergency physicians need to have core competencies in sedation and resuscitation skills. The future of procedural sedation and analgesia will focus on enhancing training, safety and effectiveness.

Keywords

conscious sedation ketamine guideline paediatric

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