Effects of thoracic epidural anesthesia on spinal tracts

Not Applicable

• Conditions: Adult elective lung surgery patients undergoing general anesthesia and thoracic epidural anesthesia

• Registration Number: JPRN-UMIN000012371
• Lead Sponsor: Department of Anesthesiology, Niigata University Medical and Dental Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2013-11-21
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up continuing
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

Not provided

Exclusion Criteria

1)Neuromuscular diseases 2)Remarkable neurological symptoms 3)Contraindications for epidural anesthesia 4)History of Allergy to ropivacaine or drugs on the protocol 5)Estimated the trial entry inappropriate

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Percent changes in the amplitude of motor evoked potentials in a lower extremity at 60 minutes after the epidural ropivacaine administration.

Secondary Outcome Measures

Name	Time	Method
1)Percent changes in the amplitudes of motor evoked potentials in lower extremities at 15, 30, 45, 90, 120, 150 and 180 minutes after the epidural ropivacaine administration. 2)Percent changes in the amplitudes of somatosensory evoked potentials in lower extremities after the epidural ropivacaine administration. 3)Percent changes in the latency of motor evoked potentials in lower extremities after the epidural ropivacaine administration. 4)Percent changes in the latency of somatosensory evoked potentials in lower extremities after the epidural ropivacaine administration.