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The Precision and Arm-to-Arm Variation of Mechanomyography and Acceleromyography for Monitoring of Neuromuscular Block

Completed
Conditions
Neuromuscular Blockade
Interventions
Device: TOF-Watch SX (neuromuscular monitor)
Registration Number
NCT00472121
Lead Sponsor
Rigshospitalet, Denmark
Brief Summary

The purpose of the study is the examine the precision of acceleromyography and mechanomyography during recovery from a neuromuscular blocking agent and to examine whether there is any difference in monitoring block at the dominant or non-dominant arm. Our hypothesis is that there is no significant difference in neither the precision nor the level of block in the contralateral arms.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
Not specified
Inclusion Criteria
  • ASA I-III
  • General anesthesia >1 hour
  • Surgery in supine position w. possibility of monitoring the neuromuscular block at both arms (n. ulnaris stimulation/thumb response)
  • Written informed content
Exclusion Criteria
  • Neuromuscular disorders, hepatic and renal dysfunction
  • Medication expected to interfere with the neuromuscular blocking agent
  • Allergy to any medication used during anaesthesia
  • Body weight less or exceeding 20% of ideal body weight
  • Pregnancy or breastfeeding

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Arm && Interventions
GroupInterventionDescription
2: MMGTOF-Watch SX (neuromuscular monitor)-
1: AMGTOF-Watch SX (neuromuscular monitor)-
Primary Outcome Measures
NameTimeMethod
Precision at the contralateral arms using the average residual coefficient of variation over subsequent linear regressions (detrending) over time
Secondary Outcome Measures
NameTimeMethod
Bias and limits of agreement between control TOF, reappearance of T1, T2, T3, T4
Time to TOF 0.9 and 1.0 with and without normalization
Time to stable T1 and stable TOF
T1 height at reappearance of T1-T4
Interval 25-75%
Time to T1=25%

Trial Locations

Locations (1)

Dep. of Anaesthesia

🇩🇰

Copenhagen, Denmark

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