• Giovani de Figueiredo Locks, Ismar Lima Cavalcanti, Nadia Maria Conceição Duarte, Rafael Martins da Cunha, and Maria Cristina Simões de Almeida.
• Universidade Federal de Santa Catarina, Florianópolis, SC, Brasil. Electronic address: giovanilocks@gmail.com.
• Rev Bras Anestesiol. 2015 Sep 1;65(5):319-25.

AbstractThe objective of this study was to evaluate how Brazilian anesthesiologists are using neuromuscular blockers (NMB), focusing on how they establish the diagnosis of postoperative residual curarization and the incidence of complications associated with the use of NMB. A questionnaire was sent to anesthesiologists inviting them to participate in the study. The online data collection remained open from March 2012 to June 2013. During the study period, 1296 responses were collected. Rocuronium, atracurium, and cisatracurium were the main neuromuscular blockers used in cases of elective surgery. Succinylcholine and rocuronium were the main NMB used in cases of emergency surgery. Less than 15% of anesthesiologists reported the frequent use of neuromuscular function monitors. Only 18% of those involved in the study reported that all workplaces have such a monitor. Most respondents reported using only the clinical criteria to assess whether the patient is recovered from the muscle relaxant. Most respondents also reported always using some form of neuromuscular blockade reversal. The major complications attributed to NMB were residual curarization and prolonged blockade. Eighteen anesthesiologists reported death attributed to NMB. Residual or prolonged blockade is possibly recorded as a result of the high rate of using clinical criteria to diagnose whether the patient has recovered or not from motor block and, as a corollary, the poor use of neuromuscular transmission monitors in daily practice.Copyright © 2015 Sociedade Brasileira de Anestesiologia. Publicado por Elsevier Editora Ltda. All rights reserved.

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