neuromuscular blockade induced by rocuronium in the elderly A study of the utility of masseter muscle nerve stimulation and monitoring of masseter muscle contraction response

neuromuscular blockade induced by rocuronium in the elderly A study of the utility of masseter muscle nerve stimulation and monitoring of masseter muscle contraction response - neuromuscular blockade induced by rocuronium in the elderly A study of the utility of masseter muscle nerve stimulation and monitoring of masseter muscle contraction response

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000042488

Enrollment

Registered

2020-11-20

Start date

2020-11-24

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Patients scheduled for elective surgery requiring general anesthesia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: the patients scheduled for elective surgery requiring general anesthesia the patients were ASA physical status 1-3

Exclusion criteria

Exclusion criteria: the patients were ASA physical status 4-6 Patients with a history of allergy to muscle relaxants or antagonists Severe systemic complications (American Society of Anesthesiologists preanesthesia risk rating of 4 or higher) Obese patients with a BMI of 30 or more, and patients with a BMI of less than 18.5 Patients with neuromuscular diseases Cases with liver dysfunction Any other person who is judged by the principal investigator to be unsuitable as a research subject

Design outcomes

Primary

Measure	Time frame
Correlation between masseter muscle thickness and effective dose of rocuronium	—

Countries

Japan

Contacts

Public ContactOSAMU KITAJIMA

Nihon University School of Medicine Department of Anesthesiology

kitajima.osamu@nihon-u.ac.jp81339728111

Outcome results