• Br J Anaesth · Jul 2015

    Comparative Study

    A comparison of sedation protocols for gastric endoscopic submucosal dissection: moderate sedation with analgesic supplementation vs analgesia targeted light sedation.

    • Y C Yoo, C H Park, S Shin, Y Park, S K Lee, and K T Min.
    • Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute.
    • Br J Anaesth. 2015 Jul 1; 115 (1): 84-8.

    BackgroundModerate to deep sedation has been recommended during endoscopic submucosal dissection (ESD). However, it is often accompanied by adverse events such as respiratory depression or aspiration pneumonia. This study investigated the respiratory complications and ESD outcomes of two sedation protocols: moderate sedation with analgesic supplementation (MSAS) and analgesia targeted light sedation (ATLS).MethodsThe clinical data of 293 patients who underwent ESD between May and December 2012 were reviewed. During the first 4 months, 155 patients were managed by moderate sedation [Modified Observer Assessment of Alertness/Sedation (MOAA/S) at 2-3] with the MSAS protocol. During the latter period, 138 patients were managed using the ATLS protocol (MOAA/S at 4-5). For both protocols, propofol and remifentanil were infused for sedation and pain control, respectively.ResultsThe ATLS protocol required less propofol [22.9 (sd 17.3) vs 88.1 (44.0) µg kg(-1) min(-1), P<0.001] and more remifentanil [6.8 (sd 3.1) vs 4.9 (3.0) µg kg(-1) hr(-1), P<0.001] than the MSAS protocol. The desaturation events during the procedure occurred significantly less often (2.2 vs 12.9%, P=0.001) and recovery was significantly faster [19.7 (sd 4.8) vs 27.9 (16.0) min, P<0.001] with the ATLS protocol than with the MSAS protocol. The incidence of aspiration pneumonia with the ATLS protocol was 1.4% compared with 5.2% with the MSAS protocol (P=0.109). There were no differences in outcomes and complications of ESD.ConclusionThe ATLS protocol reduced the incidence of desaturation events without affecting ESD performance compared with the MSAS protocol. There was also a trend towards a low incidence of aspiration pneumonia with the ATLS protocol.© The Author 2015. Published by Oxford University Press on behalf of the British Journal of Anaesthesia. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

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