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Postoperative residual curarization with cisatracurium and rocuronium infusions

Guy Cammu, Luc De Baerdemaeker UGent, Nadia Den Blauwen, J-C de Mey, Michel Struys UGent and Eric Mortier UGent (2002) EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 19(2). p.129-134
abstract
Background and objective: Monitoring of neuromuscular blockade still often relies on clinical judgement. Moreover, there are substantial national differences in the use of agents to 'reverse' their effects. We investigated the recovery characteristics and incidence of postoperative residual curarization after cisatracurium and rocuronium infusions for long duration interventions without systematic antagonism. Methods: In 30 patients undergoing major surgery, we measured infusion dose requirements for rocuronium and cisatracurium during propofol anaesthesia. Infusions were discontinued at the beginning of surgical closure; spontaneous recovery of neuromuscular function was awaited in both groups. Neostigmine (50 mug kg(-1)) was administered only when a patient started to wake without a train-of-four ratio (TOF) of 0.9. Results: In the cisatracurium and rocuronium groups, four (27%) and one (7%) patients, respectively, had a TOF ratio greater than or equal to0.9 at the end of surgery. The TOF ratio in each group at that time was 51 +/- 32% for cisatracurium and 47 +/- 31% for rocuronium (P = 0.78). Six patients (40%) in the cisatracurium group and seven (47%) in the rocuronium group required neostigmine. The TOF ratio at the time of reversal was 63 +/- 7% for cisatracurium and 40 +/- 1996 for rocuronium (P = 0.01). The time interval between the end of surgery and a TOF ratio of 0.9 was 10 +/- 9 min for cisatracurium and 18 +/- 13 min for rocuronium (P = n.s.). Conclusions: Patients receiving a cisatracurium or rocuronium infusion have a high incidence of postoperative residual curarization when the block is not antagonized. When 'reversal' is not attempted, cisatracurium seems to be safer than rocuronium.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ANESTHESIA, cisatracurium, rocuronium, neuromuscular block, neuromuscular non-depolarizing agents, neuromuscular blocking agents, VECURONIUM, VOLUNTEERS, REVERSAL, HUMANS
journal title
EUROPEAN JOURNAL OF ANAESTHESIOLOGY
Eur. J. Anaesth.
volume
19
issue
2
pages
129 - 134
Web of Science type
Article
Web of Science id
000174153600010
JCR category
ANESTHESIOLOGY
JCR impact factor
1.193 (2002)
JCR rank
9/23 (2002)
JCR quartile
2 (2002)
ISSN
0265-0215
DOI
10.1017/S0265021502000236
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2075316
handle
http://hdl.handle.net/1854/LU-2075316
date created
2012-03-27 15:56:30
date last changed
2017-04-06 08:31:01
@article{2075316,
  abstract     = {Background and objective: Monitoring of neuromuscular blockade still often relies on clinical judgement. Moreover, there are substantial national differences in the use of agents to 'reverse' their effects. We investigated the recovery characteristics and incidence of postoperative residual curarization after cisatracurium and rocuronium infusions for long duration interventions without systematic antagonism. 
Methods: In 30 patients undergoing major surgery, we measured infusion dose requirements for rocuronium and cisatracurium during propofol anaesthesia. Infusions were discontinued at the beginning of surgical closure; spontaneous recovery of neuromuscular function was awaited in both groups. Neostigmine (50 mug kg(-1)) was administered only when a patient started to wake without a train-of-four ratio (TOF) of 0.9. 
Results: In the cisatracurium and rocuronium groups, four (27\%) and one (7\%) patients, respectively, had a TOF ratio greater than or equal to0.9 at the end of surgery. The TOF ratio in each group at that time was 51 +/- 32\% for cisatracurium and 47 +/- 31\% for rocuronium (P = 0.78). Six patients (40\%) in the cisatracurium group and seven (47\%) in the rocuronium group required neostigmine. The TOF ratio at the time of reversal was 63 +/- 7\% for cisatracurium and 40 +/- 1996 for rocuronium (P = 0.01). The time interval between the end of surgery and a TOF ratio of 0.9 was 10 +/- 9 min for cisatracurium and 18 +/- 13 min for rocuronium (P = n.s.). 
Conclusions: Patients receiving a cisatracurium or rocuronium infusion have a high incidence of postoperative residual curarization when the block is not antagonized. When 'reversal' is not attempted, cisatracurium seems to be safer than rocuronium.},
  author       = {Cammu, Guy and De Baerdemaeker, Luc and Den Blauwen, Nadia and de Mey, J-C and Struys, Michel and Mortier, Eric},
  issn         = {0265-0215},
  journal      = {EUROPEAN JOURNAL OF ANAESTHESIOLOGY},
  keyword      = {ANESTHESIA,cisatracurium,rocuronium,neuromuscular block,neuromuscular non-depolarizing agents,neuromuscular blocking agents,VECURONIUM,VOLUNTEERS,REVERSAL,HUMANS},
  language     = {eng},
  number       = {2},
  pages        = {129--134},
  title        = {Postoperative residual curarization with cisatracurium and rocuronium infusions},
  url          = {http://dx.doi.org/10.1017/S0265021502000236},
  volume       = {19},
  year         = {2002},
}

Chicago
Cammu, Guy, Luc De Baerdemaeker, NADIA DEN BLAUWEN, J-C de Mey, Michel Struys, and Eric Mortier. 2002. “Postoperative Residual Curarization with Cisatracurium and Rocuronium Infusions.” European Journal of Anaesthesiology 19 (2): 129–134.
APA
Cammu, Guy, De Baerdemaeker, L., DEN BLAUWEN, N., de Mey, J.-C., Struys, M., & Mortier, E. (2002). Postoperative residual curarization with cisatracurium and rocuronium infusions. EUROPEAN JOURNAL OF ANAESTHESIOLOGY, 19(2), 129–134.
Vancouver
1.
Cammu G, De Baerdemaeker L, DEN BLAUWEN N, de Mey J-C, Struys M, Mortier E. Postoperative residual curarization with cisatracurium and rocuronium infusions. EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2002;19(2):129–34.
MLA
Cammu, Guy, Luc De Baerdemaeker, NADIA DEN BLAUWEN, et al. “Postoperative Residual Curarization with Cisatracurium and Rocuronium Infusions.” EUROPEAN JOURNAL OF ANAESTHESIOLOGY 19.2 (2002): 129–134. Print.