Neuromuscular Blockade Clinical Trial
Official title:
Determination of Target of Adequate Partial Neuromuscular Blockade With Sevoflurane Anesthesia for Electrophysiologic Monitoring During Microvascular Decompression Surgery
Verified date | December 2013 |
Source | Samsung Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | South Korea: Institutional Review Board |
Study type | Interventional |
There have been reports of monitoring LSR during MVD surgery helps predicting the clinical outcome of MVD. However, there have been no evidence of which degree of partial neuromuscular blockade should be performed during LSR monitoring under sevoflurane anesthesia. Therefore, the investigators performed a randomized controlled trial to evaluate the effect of different degree of partial neuromuscular blockade on the LSR monitoring for MVD surgery.
Status | Completed |
Enrollment | 61 |
Est. completion date | February 2013 |
Est. primary completion date | February 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 20 Years to 70 Years |
Eligibility |
Inclusion Criteria: - Those who undergo microvascular decompression with sevoflurane anesthesia by diagnosis of hemifacial spasm in our institution Exclusion Criteria: - Patients were excluded from the study if they had any of following: severe cardiopulmonary disorder with hemodynamic unstability (pulmonary hypertension, cardiomyopathy, mechanical ventilation, American Society of Anesthesiologists physical status III or more), severe hepatic or renal disease. - Those who can not undergo MEP monitoring due to central or peripheral neuromuscular disease, e.g. cerebral palsy, myasthenia gravis, acute spinal injury, neurologic shock |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor)
Country | Name | City | State |
---|---|---|---|
Korea, Republic of | Samsung Medical Center | Seoul |
Lead Sponsor | Collaborator |
---|---|
Samsung Medical Center |
Korea, Republic of,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Lateral spread response | Lateral spread response of electromyography measured by electrophysiologist at baseline (30 min after anesthetic induction) | baseline (30 min after anesthetic induction) | No |
Primary | Lateral spread response | Lateral spread response of electromyography measured by electrophysiologist before dura opening | before dura opening (45 minute after anesthetic induction) | No |
Primary | Lateral spread response | Lateral spread response of electromyography measured by electrophysiologist after dura opening (one hour after anesthetic induction) | after dura opening (60 min after anesthetic induction) | No |
Primary | Lateral spread response | Lateral spread response of electromyography measured by electrophysiologist before facial nerve decompression (90 minutes after anesthetic induction) | before facial nerve decompression (90 minutes after anesthetic induction) | No |
Primary | Lateral spread response | Lateral spread response of electromyography measured by electrophysiologist after facial nerve decompression (2 hour after anesthetic induction) | after facial nerve decompression (120 min after anesthetic induction) | No |
Primary | Lateral spread response | Lateral spread response of electromyography measured by electrophysiologist after dura closure (150 min after anesthetic induction) | after dura closure (150 min after anesthetic induction) | No |
Secondary | Train-of-four response | Train-of-four response to ulnar nerve electrical stimulation measured by NMT module at six time-points; Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | No |
Secondary | T1/Tc amplitude | T1/Tc amplitude as a reponse to ulnar nerve stimulation measured by NMT module at six time points; Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | No |
Secondary | incidence of patients' spontaneous movements or respiration | incidence of patients' spontaneous movements or respiration measured by anesthesiologists or reported by surgeon at six time points; Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | No |
Secondary | Mean blood pressure (mmHg) | mean blood pressure measured by anesthesiologists at six time points; Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | No |
Secondary | heart rate (beats/min) | heart rate measured by anesthesiologists at six time points; Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | No |
Secondary | pulse oximetry (oxygen saturation, %) | pulse oximetry measured by anesthesiologists at six time points; Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | Baseline (30min), Before dura open (45 min), After dura open (60 min), Before decompression (90 min), After decompression (120 min), After dura close (150 min after anesthetic induction) | No |
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