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Modification of Posttetanic Count (PTC) for Monitoring Deep Neuromuscular Block II

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00390507
Enrollment
45
Registered
2006-10-20
Start date
2006-10-31
Completion date
Unknown
Last updated
2010-09-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neuromuscular Blockade

Keywords

Acceleromyography, TOF-Watch, Posttetanic count, Train of four, Neuromuscular blockade

Brief summary

The purpose of this study is to examine the relationship between post-tetanic count (PTC) and time to first response to Train of four (TOF) stimulation during deep neuromuscular blockade induced by rocuronium.

Interventions

PROCEDUREPost-tetanic count frequency

Sponsors

Rigshospitalet, Denmark
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* ASA 1-3 * General anaesthesia \>1 hour * Surgery in supine position with possibility of monitoring the neuromuscular blockade at the thumb (n.ulnaris stimulation). * 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 the ideal body weight * Pregnancy or breastfeeding

Design outcomes

Primary

MeasureTime frame
Time to first response to TOF stimulation (T1)

Secondary

MeasureTime frame
Time to second response to TOF stimulation (T2)
Time to first post-tetanic count (PTC)
Number of post-tetanic count at first response to TOF
Time to T1=25%
Interval 25-75%
Time to TOF 0.9
Time to TOF 1.0

Countries

Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026