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Determination of Target of Adequate Partial Neuromuscular Blockade for Electrophysiologic Monitoring During Microvascular Decompression Surgery

Neuromuscular Blockade Clinical Trial

Official title:
Determination of Target of Adequate Partial Neuromuscular Blockade With Sevoflurane Anesthesia for Electrophysiologic Monitoring During Microvascular Decompression Surgery

Clinical Trial Summary

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.

Clinical Trial Description

Hemifacial spasm develops by vascular compression of facial nerve at the root exit zone from brain stem. Microvascular decompression (MVD) is known for its curative treatment. Lateral spread response (LSR) is a kind of pathologic electromyographic (EMG) wave form which develops when facial nerve is compressed by vessel. There have been reports of monitoring LSR during MVD surgery helps predicting the clinical outcome of MVD.

As neuromuscular blockade during LSR monitoring decreases the amplitude of EMG, partial neuromuscular blockade is usually maintained during general anesthesia for 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. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor)

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01613781
Study type Interventional
Source Samsung Medical Center
Contact
Status Completed
Phase N/A
Start date June 2012
Completion date February 2013
View Details
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