PMID: 9173430Feb 1, 1997Paper

Anesthesia for magnetic resonance tomography in neonates, infants and young children

Der Radiologe
W FunkK Taeger

Abstract

Since patient cooperation in neonates and infants up to 5 years is always reduced, deep sedation is usually recommended to obtain constant high-quality images during MRI. According to the widely accepted AAP Guidelines, deep sedation is not always distinguishable from general anesthesia, substantiating the demand for state-of-the-art anaesthesia. This is particularly true in this age group, where pharmacokinetics and pharmacodynamics show wide interindividual variation. In this review we outline the techniques required to provide safe and effective patient care in the unique MRI environment. From the viewpoint of induction time, half-life of action and success rate, we have found that inhalation anesthetics and propofol present clear advantages. Both offer rapid induction and emergence, allowing outpatient examinations in a tight schedule with a reliable sedation state. Tracheal intubation or a laryngeal mask airway is required to supply volatile anesthetics and to secure the airway, since propofol in appropriate doses causes respiratory depression and loss of the protective reflexes. Positive-pressure ventilation is recommended since the reduction of tidal volumes by sedative drugs (including high-dose chloral hydrate, barbitu...Continue Reading

Citations

Jul 26, 2002·Indian Journal of Pediatrics·Jyotsna PunjVipin Pandey
Jun 10, 2010·Current Opinion in Anaesthesiology·Leonie Schulte-Uentrop, Matthias S Goepfert
Jun 15, 2007·Der Anaesthesist·D DeckertV Wenzel
Jan 6, 2007·European Journal of Pediatrics·Sascha MeyerLudwig Gortner

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